SY/T 5053.1-2000 Surface blowout preventer and control device blowout preventer
Some standard content:
ICS 75.180. 10
Registration number: 6964-2000
Petroleum and natural gas industry standard of the People's Republic of China SY/T 5053.12000
Blowout preventer and control device
Blowout preventer
Blowout preventer and control system
2000-03-31 Issued
State Administration of Petroleum and Chemical Industry
2000-10-01 Implementation
SY/T 5053.1---2000
Cited standards
4 Classification and naming
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, storage
Appendix A [Appendix to the standard)
Appendix B (Appendix to the standard)
Appendix C (Appendix to the standard)
Appendix D (Appendix to the standard)
Drilling spool
Impact performance test requirements for metal materials used at low temperaturesBlowout preventer rubber core
Blowout preventer function test
SY/T 5053.1—2000
This standard is a revision of SY5053.1-92 "Surface Blowout Preventer and Control Device" in terms of test methods and quality control, based on the technical elements of the American Petroleum Institute standard AP1Spcc16A "Drilling Equipment Specification" (second edition, December 1997), combined with the actual situation of the exploration and development site of Chi gas field in China. This standard also makes corresponding provisions for the drilling spool matched with the blowout preventer in the form of an appendix (see Appendix A (Appendix to the standard).
This standard replaces SY5053.1—52 from the date of entry into force. . Appendices A, B, C and D of this standard are all appendices of the standard. This standard is proposed and managed by the National Technical Committee for Standardization of Petroleum Drilling Equipment and Tools. The drafting units of this standard: Drilling Technology Research Institute of Sichuan Petroleum Administration Bureau, Drilling Technology Research Institute of North China Shishan Administration Bureau. The main drafters of this standard are Wei Mingyang, Zheng Fupei, Zhang Bin, Yang Yunxia, Zhang Xiang, and Mi Gongmin. This standard was first issued in September 1992.
This is the first revision.
—Scope
Petroleum and Natural Gas Industry Standard of the People's Republic of China Blowout Preventer and Control Device
Blowout Preventer
Blowout preventer and control system blowon preventer
SY/T 5053.1—2000
Replaces SY5053.1--92
This standard specifies the classification and naming, requirements, test methods, inspection rules, marking, packaging, storage, etc. of blowout preventers. This standard also specifies the classification, requirements and test methods of drilling spools that match blowout preventers [Appendix A (Appendix to the standard). This standard applies to the design, manufacture and inspection of blowout preventers and matching drilling spools for natural gas drilling and workover. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through their use in this standard: When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards: GB/T 222—1984 Sampling method for chemical analysis of steel and allowable deviation of chemical composition of finished products GB/T 228—1987 Metal tensile test method GB/T 229-1994 Metal Charpy impact test method GB/T 230—1991 Metal Rockwell hardness test method GB/T 231-1984 Metal Brinell hardness test method GB/T 531—1992 Vulcanized rubber Shore A hardness test method GB/T 5677—1985 Radiography and film grade classification method for steel castings GB/T 7233—1987 GB/T 9443--1988
Standard for ultrasonic flaw detection and quality rating of steel castings. Method for penetrant flaw detection and defect rating of steel castings. GR/T9444-1988 Method for magnetic particle flaw detection and quality rating of steel castings. SY5279.1-9F Rated operating pressure and nominal diameter series of oil parallel port devices. SY5279.2-91 Flange types, dimensions and technical requirements for oil parallel port devices. 5Y5279.3-91 Types, dimensions and technical requirements for sealing gaskets for flanges of oil wellhead devices. SY/T5715-95 General technical conditions for bearing steel castings for oil drilling and production machinery products. HG/T2198-91 General requirements for physical test methods of vulcanized rubber. JR 3970--85
Clamp coupling
JB4726:--94 Carbon steel and low alloy steel forgings for pressure vesselsIP4730-94 Nondestructive testing of clamp vessels
3 Definitions
This standard adopts the following definitions.
Pressure-containing part (s) Parts or components that contact and withstand the internal fluid, such as body, cover, door, etc. 4 Classification and naming
Approved by the State Administration of Petroleum and Chemical Industry on March 31, 2000, implemented on October 1, 2000
4.1 Classification and code
SY/T5053.1-2000
Blowout preventers are divided into two categories, namely annular blowout preventers and gate blowout preventers. 4.1.1 Annular BOPs are divided into single annular BOPs and double annular BOPs, which are equipped with one annular rubber core and two annular rubber cores respectively. 4.1.2 Ram BOPs are divided into single ram BOPs, double ram BOPs and triple ram BOPs, which are equipped with one, two and three rams respectively to seal different pipe strings or empty wells. 4.1.3 The BOP code is composed of the first letter of the Chinese pinyin of the main Chinese characters in the BOP name, see Table 1. Table 1 Code
Annular BOP
Gate BOP
1) FH indicates annular BOP with hemispherical rubber core; 2) FHZ indicates annular BOP with frustum-shaped rubber coreBasic Parameters
Single annular BOP
Double annular BOP
Single gate BOP
Double gate BOP
Triple gate BOP
The nominal diameter and maximum working pressure of the BOP shall comply with the provisions of Table 2. Table 2
Diameter code
Nominal diameter
mm(in)
179.4(7//16)
279.4 (11)
346.1(135/8)
425.5(163/4)
476.3 (183/4)
527.1(20/4)
539.8(21*/4)
679.5(263/)
762.0(30)
Drift gauge diameter
Blowout preventer specifications
FH or FHZ2)
2FH or 2FHZ)
Maximum working pressure
Note: Drift gauge diameter limit deviation is +8:%mm, length is greater than drift diameter 50mm, and the shortest is not less than 300mm4.3 Working conditions
4.3.1 The working medium of BOP is drilling fluid, crude oil, natural gas and other fluids. 4.3.2 The working temperature range of BOP metal materials shall comply with the provisions of Table 3. 4.4 Naming
Model representation method:
Product code
SY/T5053.1—2000
Diameter codeMaximum working pressurebzxZ.net
Example: The model of a double-gate blowout preventer with a diameter of 346.1mm and a maximum working pressure of 70MPa is: 2FZ35-70. Table 3 Working temperature range of metal materials
Temperature classification code
TO (gauge temperature)
5 Requirements
5.1 Design requirements
5.1.1 End outlet connection
Working temperature range
59~+121(75~+250)
29+121（20+250）
-18~+121(0~+250)
The end outlet connection shall comply with the provisions of SY5279.1, SY5279.2 and SY5279.3. 5.1.2 Design method
5.1.2.1 Design of pressure-bearing parts based on stress analysis a) The design allowable stress shall comply with one or more of the following formulas: a.≤0.9ao.2
Where:
Maximum allowable primary membrane stress intensity under hydrostatic strength test pressure, MPa;-Design stress intensity under maximum working pressure, MPa:-Material yield strength, MPaa
b) Calculate the allowable stress according to deformation energy theory: OE=00.2
Where: E
Maximum allowable stress calculated according to deformation energy theory, MPac) Experimental stress analysis can use stress and strain test methods to verify whether the test data is consistent with the theoretical calculation. 5.1.2.2 Design verification
Design verification shall be documented as required.
Verify the design according to the type inspection requirements. 5.2 Material requirements
5.2.1 Metal materials for pressure-bearing parts
5.2.1.1 Mechanical properties requirements
a) The room temperature mechanical properties of metal materials for pressure-bearing parts shall comply with the provisions of Table 4. Table 4 Mechanical properties of metal materials for pressure-bearing parts at room temperature Material code
Yield strength 00.2
≥248
≥414
Tensile strength %
Elongation 85
·（1
（2）
Sectional reduction rate
SY/T 5053.1—2000
b) Metal materials for pressure-bearing parts with temperature grades of TU, [20, 75 shall be subjected to Charpy "V" notch impact tests at low temperatures of -18, -29, and -59 ℃ respectively. The test and impact values shall comply with the provisions of Appendix B (Appendix to the standard):) The steel used for pressure-bearing parts shall be carbon steel, CrMo series or CrNiM series alloy structural steel. When the heat treatment hardness HRC: is less than or equal to 22, it can be used in HS environment.
5.2.1.2 Chemical composition
In the chemical composition of metal materials for pressure-bearing parts, the limits of alloying elements shall comply with the provisions of Table 5. Table 5 Limits of commonly used alloying elements in steel for pressure-bearing parts (mass fraction) Alloy
Element content
5.2.2 Sealing gasket material
Carbon steel and low alloy steel
Allowable deviation range
5.2.2.1 The type and size of the sealing gasket shall comply with the provisions of SY5279.3. 5.2.2.2 The material and hardness of the sealing gasket shall comply with the provisions of Table 6. Element content
11.00 -~14.00
Table 6 Sealing gasket ring hardness
OCr18.Ni9
5.2.3 Materials of studs, bolts, screws and nuts 5.2.3.1 The materials of studs, bolts and screws for flange connections shall comply with the requirements of SY5279.2. 5.2.3.2 The material properties of the studs, bolts and screws for connecting bearing parts shall comply with the provisions of Table 7. Table 7
Material properties of studs, bolts and screws
M22 ~M64
M68-M102
1) Hardness index is a reference index
Performance index
Martensitic stainless steel
Allowable deviation range
Hardness B
28·-37
SY/T5053.1—2000
5.2.3.3 In addition to complying with the provisions of Table 7, the material of bolts for low temperature use shall also be subjected to a low temperature Charpy "V" type impact performance test. The impact value shall comply with the provisions of Appendix B (Appendix to the standard). 5.2.3.4 The nut material shall comply with the provisions of SY5279.2. 5.2.4 BOP rubber core
The rubber material and performance requirements of BOP rubber core are shown in Appendix C (Standard Appendix) 5.3 Quality Control
5.3.1 Steelmaking, Casting and Hot Working Process
a) Castings are made of electric furnace steel.
b) For pressure-bearing parts bearing pressures of 70MPa and above, the total residual lead content is required to be limited to no more than 0.03%.
d) Pressure-bearing castings bearing pressures of 70MPa and above shall be refined outside the furnace or other process measures to reduce the content of harmful elements in the steel.
d) Pressure-bearing castings shall comply with the provisions of SY/T5715. e) Pressure-bearing forgings shall comply with the provisions of JB4726: 5.3.2 Heat treatment of forgings
The heat treatment equipment shall have automatic temperature control and automatic recording instruments with an accuracy of not less than 1%: The upper and lower deviations of the heat treatment temperature of each part in the working area of the heat furnace during the heat treatment period shall be 14t. The initial quenching temperature of water or water-based quenching liquid shall not exceed 38°C, and the temperature of the quenching liquid after quenching shall not exceed 50°C: The initial quenching temperature of the quenching liquid shall be higher than 38°C,
5.3.3 Sample requirements
5.3.3.1 The test specimens for the mechanical properties of pressure-bearing parts shall be cast on the main body or cast separately during the casting process. The size and location of the test specimens shall comply with the provisions of the process drawings. The separate test specimens shall be heat treated with the main body. The test specimens shall be removed from the main body, and the cutting method that affects its mechanical properties shall not be used.
5.3.3.2 In the mechanical property test of pressure-bearing parts, if one sample is not qualified, double sampling shall be carried out for testing. If there is still one sample that fails to meet the requirements, the batch of parts shall be reheat treated. If the sample still fails to meet the requirements after reheat treatment, the batch of parts shall be scrapped. 5.3.4 Nondestructive testing
5.3.4.1 The radiographic flaw detection of pressure castings shall comply with the provisions of GB/T5677, and the maximum allowable defect is level II. 5.3.4.2 The ultrasonic flaw detection of pressure castings shall comply with the provisions of GB/T7233, and the maximum allowable defect is level I. 5.3.4.3 The ultrasonic flaw detection of pressure forgings shall comply with the provisions of JB4730, and the maximum allowable defect is level II. 5.3.4.4 The magnetic particle flaw detection or penetrant flaw detection of the casting surface shall comply with the provisions of CG/T9444 and CB/T9443 respectively, and the maximum allowable defect is level II. No cracks are allowed on the sealing surface of the gasket groove. 5.3.4.5 Studs, bolts and screws for flange-connected bearing parts shall be subjected to magnetic particle inspection. No cracks are allowed. The maximum allowable defect is level II:
5.3.5 Repair of defects in pressure-bearing parts
5.3.5.1 Repair welding shall be carried out in accordance with the process regulations formulated after the welding process is evaluated. 5.3.5.2 Repair welding materials shall not use materials that have not been inspected or have failed the inspection. 5.3.5.3 Before repairing, defects must be thoroughly cleaned: 5.3.5.4 After repair welding, stress relief treatment shall be carried out in time. The treatment temperature shall not exceed the tempering temperature of the material. 5.3.5.5 After repair welding, the repaired parts shall be inspected for quality. If the non-destructive inspection fails, it is allowed to be repaired according to the above steps. The supply shall not exceed two pieces, otherwise it shall be scrapped.
5.3.6 Qualification of nondestructive testing and repair welding personnel
5.3.6.1 Nondestructive testing personnel shall be assessed and certified by relevant national departments, and only those who have obtained qualification certificates are allowed to operate on the job. 5.3.6.2 Repair welding operators shall be assessed and certified by relevant national departments, and only those who have obtained force vessel welding qualification certificates are allowed to operate on the job. 5.3.7 Performance requirements
SY/T5053.1—2000
5.3.7.1 After the blowout preventer pressure-bearing parts and connecting bolts are assembled, a hydrostatic pressure strength test shall be carried out. The test requirements are shown in Table 8, and the test pressure values are shown in Table 9.
5.3.7.2 After the blowout preventer is assembled, the hydraulic control oil circuit and oil cylinder strength test shall be carried out without installing the annular rubber core or gate. The test requirements are shown in Table 8. Table 8 BOP performance test items and test requirements Sequence
Test items
Shell hydrostatic strength test
Annular BOP
Hydraulic control oil circuit, oil cylinder
Strength test
Sealed pipe string test)
Sealed empty well test
Hydraulic control oil circuit, oil cylinder
Strength test
Pipe gate
Sealing performance test
Fully sealed gate
Sealing performance test
Variation gate 5)
Sealing performance test
Shear gate
Sealing performance test
Manual closing gate
Sealing performance test
Hydraulic locking gate
Sealing performance test6)
First pressure test
Test pressure value
See Table 9
1) The pressure drop value is a reference value.
Pressure stabilization time
Pressure drop\)
Second pressure test
Test pressure value
See Table 9
p×50%
2) The allowable pressure drop value is the smaller of 5% of the test pressure value or 3.5MPa. 3) p is the maximum working pressure of the blowout preventer.
Pressure stabilization time
Pressure drop 1)
Test requirements
No leakage, no sweating
No leakage
No leakage at the sealing part
No leakage at the sealing part
See Table 10
No leakage at the sealing part
4) For annular blowout preventers with a diameter less than or equal to 228.6mm, use 88.9mm test string; for annular BOPs with a diameter greater than or equal to 279.4mm, use a 127.0mm test string. 5) The variable-diameter gate is tested according to the maximum and minimum sealing string specified by the manufacturer. 6) Hydraulic locking is to lock the gate after the hydraulic gate is closed, reduce the hydraulic pressure to zero, and then conduct the test. 5.3.7.3 Both annular BOPs and gate BOPs should be tested for sealing performance. The test requirements are shown in Table 8. 5.3.7.4 The performance test of the gate blowout preventer also includes the following tests: The shear gate should also be tested for shearing the pipe string. The test requirements are shown in Table 10. 6
Maximum working pressure
Nominal diameter of blowout preventer
SY/T5053.1—2000
Table 9 Hydrostatic strength test pressure value
Test pressure value
Nominal diameter ≤346.1mm
Table 10 Shear gate shearing pipe string test requirements Request the size of the sheared pipe
Drill pipe grade
Drill pipe specification
For the gate blowout preventer with manual locking device, a manual closing test shall be conducted. The test requirements are shown in Table 8. For the gate blowout preventer with hydraulic locking device, a hydraulic locking test shall be conducted. The test requirements are shown in Table 8. Nominal diameter ≥ 425.5mm
Sealing requirements
After shearing the pipe string, a sealing
performance test shall be conducted. There is no
in the sealing part. 5.3.7.5 The blowout preventer must be subjected to a diameter test. After completing the various tests specified in Table 8, the assembled blowout preventer group or single blowout preventer shall be subjected to a diameter test of the blowout preventer using a diameter gauge. The diameter gauge can pass smoothly within 30 minutes without applying external force. 5.3.7.6 For the blowout preventer used for exploration and development of natural gas, a gas sealing performance test may be conducted according to user requirements. The gas sealing test pressure value is the maximum working pressure of the blowout preventer. During the test, the test piece shall be placed underwater, and no bubbles shall emerge from the sealed parts. 5.3.8 Painting requirements
5.3.8.1 Before painting, all defects that affect the quality of the coating must be removed to ensure that the painted surface is smooth and clean. Remove internal water stains and oil stains and wipe dry.
5.3.8.2 The unprocessed inner surface shall be painted with oil-resistant and waterproof red lead anti-rust paint, and the external non-processed surface shall be painted with red paint. 5.3.8.3 The unpainted machined surface shall be painted with anti-rust grease. 5.3.9 Quality record requirements
5.3.9.1 Record requirements
a) The manufacturer shall establish and maintain documented procedures for the identification, collection, cataloging, review, filing, storage and processing of quality records.
b) The records shall be clear and easy to identify, and the product number shall be consistent with the record for traceability. c) All records should be signed and dated, and computer-stored records should keep the code of the recorder. d) The quality records of each product should be kept for at least 10 years. 5.3.9.2 Main record files
a) Design files (including finite element calculation files) b) Factory test and functional test record files. c) Important parts (pressure-bearing parts, bolts, etc.) should have: SY/T 5053.1—2000
1) Material records: chemical composition, force properties, impact test, hardness test. 2) Non-destructive testing records: detection method, inspection location, description of flaw detection results, inspection level. 3) Repair welding records: defect inspection description, repair welding method, repair welding quantity and location, re-inspection results. 4) Heat treatment records.
5) Record key dimensions,
6 Test methods
6.1 Physical and chemical properties of metal materials
6.1.1 Mechanical tensile test of metal materials shall be carried out in accordance with GR/T228. 6.1.2 Low temperature Charpy "V" notch impact test of metal materials shall be carried out in accordance with GB/1229. 6.1.3 Hardness test of metal materials shall be carried out in accordance with GB/I 231; 6.1.4 Chemical composition analysis and sampling of metal materials shall be carried out in accordance with GB/T222. 6.2 Blowout preventer rubber core test
Blowout preventer rubber core rubber hardness and physical property test shall be carried out in accordance with C2 and C4 in Appendix C (Standard Appendix) respectively. 6.3 Blowout preventer performance test
6.3.1 Test medium
Clean water shall be used for hydrostatic strength test and sealing performance test of pressure-bearing parts; No. 20 hydraulic oil shall be used for hydraulic control oil circuit and oil cylinder strength test; compressed air or nitrogen shall be used for air sealing performance test. 6.3.2 Test equipment and instruments
Test equipment and instruments should be regularly verified, calibrated and adjusted. The accuracy level of the bottom force measuring instrument and pressure sensor shall not be lower than Class 1.5. The minimum surface diameter of the pressure gauge is 100mm, and the measured pressure value is within the range of 25%-75% of the pressure gauge scale. The pressure sensor is allowed to be used up to the full range.
6.3.3 Test procedure
Perform performance tests item by item according to the items and requirements listed in Table 8. 6.3.3.1 Strength test shall be carried out according to the following procedures: a) Slowly increase the pressure step by step, each level of pressure increase is 5.0~10.0MPa, and the pressure is stabilized for 1.0~2.0min. The pressure rises to the test pressure value, and the timing is started after the pressure stabilizes. The stabilization time is not less than 3.0min: b) Slowly reduce the pressure to zero:
c) Repeat the test according to procedures a) and b) for a repulsive cycle, and start the timing after the pressure stabilizes. The stabilization time is not less than 15.0min, and then slowly reduce the pressure to zero.
6.3.3.2 The sealing performance test shall be conducted separately for low-pressure and high-pressure sealing performance tests. After the low-pressure test, the pressure does not need to be reduced to the same level, and the high-pressure sealing performance test can be conducted directly.
6.3.3.3 The pressure value of the air-tight performance test is the maximum working force of the blowout preventer. During the test, the test piece shall be placed underwater to observe whether there are bubbles coming out of the sealing part:
6.3.4 Safety measures
Safety protection measures and monitoring equipment shall be implemented during the test. During the hydrostatic strength test, it is strictly forbidden for personnel to approach the test piece to observe the test situation or manually operate the test piece
6.4 Diameter test
After the assembled blowout preventer group or single blowout preventer completes the various tests specified in Table 8, the diameter test of the blowout preventer shall be conducted with a diameter gauge, and the passing time from the upper end to the lower end of the blowout preventer shall be recorded. 6.5 Blowout preventer function test
The blowout preventer function test shall be conducted in accordance with Appendix D (Appendix of the Standard). 8
7 Inspection rules
7.1 Inspection classification
SY/T 5053.1—2000
The inspection of BOP is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Factory inspection items include mechanical tensile properties of metal materials, low temperature composite "V\ notch impact of metal materials, chemical composition of metal materials, hardness of metal materials, non-destructive testing, hardness and physical properties of BOP rubber, hydrostatic strength, control and cylinder strength, sealing performance and diameter test. 7.2.2 Sampling and determination of inspection items are carried out according to Appendix B (Appendix to the standard) and Appendix C (Appendix to the standard). 7.2.3 Factory inspection items are as follows: --If any item fails to meet the standards, the product shall be deemed unqualified. 7.3 Type inspection
7.3.1 Type inspection shall be conducted in any of the following situations: a) When a new product is put into production for appraisal; b) When there are major changes in the structure, process and materials of the formal production store, which may affect the product performance; e) When the national quality supervision agency proposes a type inspection requirement; d) There is a large difference between the final inspection result and the original inspection result; e) When the product is resumed after a long period of suspension. 3.2 Type inspection items include the factory inspection items, and shall also be conducted in accordance with Appendix D) (Appendix to the standard) Perform functional inspection. If any item fails in the type inspection of 7.3.3, the batch of products will be judged to have failed the type inspection. 8 Marking, packaging, storage
8.1 Marking
8.1.1 The product nameplate should include the following contents: product model and name, main technical parameters, temperature level, production date and factory number, product dimensions, quality, product standards, production license number, manufacturer name. 8.1.2 Random accessories and attachments should be clearly marked and labeled, and should have a certificate of conformity. 8.2 Packaging
8.2.1 Rubber parts and sealing gaskets should be packaged separately , rubber parts are packed separately with black plastic tape, and are not allowed to be mixed with other metal parts. 8.2.2 Flange sealing gasket ring grooves and threads should have anti-rust and anti-collision measures. 8.2.3 Product instructions, certificates of conformity, and packing lists should be packed together with the products. 8.3 Storage
8.3.1 During transportation and storage, the product should be protected from direct sunlight and rain, and should not be in contact with substances that affect the quality of rubber, such as acid, alkali, and organic solvents.
8.3.2 The product should be stored in a warehouse at 15~35℃ and relative humidity of 50%~85%, at least 11 meters away from heat sources: 93 Both annular BOP and ram BOP should be tested for sealing performance. Test requirements are shown in Table 8. 5.3.7.4 Ram BOP performance test also includes the following tests: Shear gate should also be tested for shearing pipe string, test requirements are shown in Table 10. 6
Maximum working pressure
Nominal diameter of BOP
SY/T5053.1—2000
Table 9 Hydrostatic strength test pressure value
Test pressure value
Nominal diameter ≤346.1mm
Table 10 Shear gate shearing pipe string test requirements Request the size of the sheared pipe
Drill pipe grade
Drill pipe specification
For the gate blowout preventer with manual locking device, a manual closing test shall be conducted. The test requirements are shown in Table 8. For the gate blowout preventer with hydraulic locking device, a hydraulic locking test shall be conducted. The test requirements are shown in Table 8. Nominal diameter ≥ 425.5mm
Sealing requirements
After shearing the pipe string, a sealing
performance test shall be conducted. There is no
in the sealing part. 5.3.7.5 The blowout preventer must be subjected to a diameter test. After completing the various tests specified in Table 8, the assembled blowout preventer group or single blowout preventer shall be subjected to a diameter test of the blowout preventer using a diameter gauge. The diameter gauge can pass smoothly within 30 minutes without applying external force. 5.3.7.6 For the blowout preventer used for exploration and development of natural gas, a gas sealing performance test may be conducted according to user requirements. The gas sealing test pressure value is the maximum working pressure of the blowout preventer. During the test, the test piece shall be placed underwater, and no bubbles shall emerge from the sealed parts. 5.3.8 Painting requirements
5.3.8.1 Before painting, all defects that affect the quality of the coating must be removed to ensure that the painted surface is smooth and clean. Remove internal water stains and oil stains and wipe dry.
5.3.8.2 The unprocessed inner surface shall be painted with oil-resistant and waterproof red lead anti-rust paint, and the external non-processed surface shall be painted with red paint. 5.3.8.3 The unpainted machined surface shall be painted with anti-rust grease. 5.3.9 Quality record requirements
5.3.9.1 Record requirements
a) The manufacturer shall establish and maintain documented procedures for the identification, collection, cataloging, review, filing, storage and processing of quality records.
b) The records shall be clear and easy to identify, and the product number shall be consistent with the record for traceability. c) All records should be signed and dated, and computer-stored records should keep the code of the recorder. d) The quality records of each product should be kept for at least 10 years. 5.3.9.2 Main record files
a) Design files (including finite element calculation files) b) Factory test and functional test record files. c) Important parts (pressure-bearing parts, bolts, etc.) should have: SY/T 5053.1—2000
1) Material records: chemical composition, force properties, impact test, hardness test. 2) Non-destructive testing records: detection method, inspection location, description of flaw detection results, inspection level. 3) Repair welding records: defect inspection description, repair welding method, repair welding quantity and location, re-inspection results. 4) Heat treatment records.
5) Record key dimensions,
6 Test methods
6.1 Physical and chemical properties of metal materials
6.1.1 Mechanical tensile test of metal materials shall be carried out in accordance with GR/T228. 6.1.2 Low temperature Charpy "V" notch impact test of metal materials shall be carried out in accordance with GB/1229. 6.1.3 Hardness test of metal materials shall be carried out in accordance with GB/I 231; 6.1.4 Chemical composition analysis and sampling of metal materials shall be carried out in accordance with GB/T222. 6.2 Blowout preventer rubber core test
Blowout preventer rubber core rubber hardness and physical property test shall be carried out in accordance with C2 and C4 in Appendix C (Standard Appendix) respectively. 6.3 Blowout preventer performance test
6.3.1 Test medium
Clean water shall be used for hydrostatic strength test and sealing performance test of pressure-bearing parts; No. 20 hydraulic oil shall be used for hydraulic control oil circuit and oil cylinder strength test; compressed air or nitrogen shall be used for air sealing performance test. 6.3.2 Test equipment and instruments
Test equipment and instruments should be regularly verified, calibrated and adjusted. The accuracy level of the bottom force measuring instrument and pressure sensor shall not be lower than Class 1.5. The minimum surface diameter of the pressure gauge is 100mm, and the measured pressure value is within the range of 25%-75% of the pressure gauge scale. The pressure sensor is allowed to be used up to the full range.
6.3.3 Test procedure
Perform performance tests item by item according to the items and requirements listed in Table 8. 6.3.3.1 Strength test shall be carried out according to the following procedures: a) Slowly increase the pressure step by step, each level of pressure increase is 5.0~10.0MPa, and the pressure is stabilized for 1.0~2.0min. The pressure rises to the test pressure value, and the timing is started after the pressure stabilizes. The stabilization time is not less than 3.0min: b) Slowly reduce the pressure to zero:
c) Repeat the test according to procedures a) and b) for a repulsive cycle, and start the timing after the pressure stabilizes. The stabilization time is not less than 15.0min, and then slowly reduce the pressure to zero.
6.3.3.2 The sealing performance test shall be conducted separately for low-pressure and high-pressure sealing performance tests. After the low-pressure test, the pressure does not need to be reduced to the same level, and the high-pressure sealing performance test can be conducted directly.
6.3.3.3 The pressure value of the air-tight performance test is the maximum working force of the blowout preventer. During the test, the test piece shall be placed underwater to observe whether there are bubbles coming out of the sealing part:
6.3.4 Safety measures
Safety protection measures and monitoring equipment shall be implemented during the test. During the hydrostatic strength test, it is strictly forbidden for personnel to approach the test piece to observe the test situation or manually operate the test piece
6.4 Diameter test
After the assembled blowout preventer group or single blowout preventer completes the various tests specified in Table 8, the diameter test of the blowout preventer shall be conducted with a diameter gauge, and the passing time from the upper end to the lower end of the blowout preventer shall be recorded. 6.5 Blowout preventer function test
The blowout preventer function test shall be conducted in accordance with Appendix D (Appendix of the Standard). 8
7 Inspection rules
7.1 Inspection classification
SY/T 5053.1—2000
The inspection of BOP is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Factory inspection items include mechanical tensile properties of metal materials, low temperature composite "V\ notch impact of metal materials, chemical composition of metal materials, hardness of metal materials, non-destructive testing, hardness and physical properties of BOP rubber, hydrostatic strength, control and cylinder strength, sealing performance and diameter test. 7.2.2 Sampling and determination of inspection items are carried out according to Appendix B (Appendix to the standard) and Appendix C (Appendix to the standard). 7.2.3 Factory inspection items are as follows: --If any item fails to meet the standards, the product shall be deemed unqualified. 7.3 Type inspection
7.3.1 Type inspection shall be conducted in any of the following situations: a) When a new product is put into production for appraisal; b) When there are major changes in the structure, process and materials of the formal production store, which may affect the product performance; e) When the national quality supervision agency proposes a type inspection requirement; d) There is a large difference between the final inspection result and the original inspection result; e) When the product is resumed after a long period of suspension. 3.2 Type inspection items include the factory inspection items, and shall also be conducted in accordance with Appendix D) (Appendix to the standard) Perform functional inspection. If any item fails in the type inspection of 7.3.3, the batch of products will be judged to have failed the type inspection. 8 Marking, packaging, storage
8.1 Marking
8.1.1 The product nameplate should include the following contents: product model and name, main technical parameters, temperature level, production date and factory number, product dimensions, quality, product standards, production license number, manufacturer name. 8.1.2 Random accessories and attachments should be clearly marked and labeled, and should have a certificate of conformity. 8.2 Packaging
8.2.1 Rubber parts and sealing gaskets should be packaged separately , rubber parts are packed separately with black plastic tape, and are not allowed to be mixed with other metal parts. 8.2.2 Flange sealing gasket ring grooves and threads should have anti-rust and anti-collision measures. 8.2.3 Product instructions, certificates of conformity, and packing lists should be packed together with the products. 8.3 Storage
8.3.1 During transportation and storage, the product should be protected from direct sunlight and rain, and should not be in contact with substances that affect the quality of rubber, such as acid, alkali, and organic solvents.
8.3.2 The product should be stored in a warehouse at 15~35℃ and relative humidity of 50%~85%, at least 11 meters away from heat sources: 93 Both annular BOP and ram BOP should be tested for sealing performance. Test requirements are shown in Table 8. 5.3.7.4 Ram BOP performance test also includes the following tests: Shear gate should also be tested for shearing pipe string, test requirements are shown in Table 10. 6
Maximum working pressure
Nominal diameter of BOP
SY/T5053.1—2000
Table 9 Hydrostatic strength test pressure value
Test pressure value
Nominal diameter ≤346.1mm
Table 10 Shear gate shearing pipe string test requirements Request the size of the sheared pipe
Drill pipe grade
Drill pipe specification
For the gate blowout preventer with manual locking device, a manual closing test shall be conducted. The test requirements are shown in Table 8. For the gate blowout preventer with hydraulic locking device, a hydraulic locking test shall be conducted. The test requirements are shown in Table 8. Nominal diameter ≥ 425.5mm
Sealing requirements
After shearing the pipe string, a sealing
performance test shall be conducted. There is no
in the sealing part. 5.3.7.5 The blowout preventer must be subjected to a diameter test. After completing the various tests specified in Table 8, the assembled blowout preventer group or single blowout preventer shall be subjected to a diameter test of the blowout preventer using a diameter gauge. The diameter gauge can pass smoothly within 30 minutes without applying external force. 5.3.7.6 For the blowout preventer used for exploration and development of natural gas, a gas sealing performance test may be conducted according to user requirements. The gas sealing test pressure value is the maximum working pressure of the blowout preventer. During the test, the test piece shall be placed underwater, and no bubbles shall emerge from the sealed parts. 5.3.8 Painting requirements
5.3.8.1 Before painting, all defects that affect the quality of the coating must be removed to ensure that the painted surface is smooth and clean. Remove internal water stains and oil stains and wipe dry.
5.3.8.2 The unprocessed inner surface shall be painted with oil-resistant and waterproof red lead anti-rust paint, and the external non-processed surface shall be painted with red paint. 5.3.8.3 The unpainted machined surface shall be painted with anti-rust grease. 5.3.9 Quality record requirements
5.3.9.1 Record requirements
a) The manufacturer shall establish and maintain documented procedures for the identification, collection, cataloging, review, filing, storage and processing of quality records.
b) The records shall be clear and easy to identify, and the product number shall be consistent with the record for traceability. c) All records should be signed and dated, and computer-stored records should keep the code of the recorder. d) The quality records of each product should be kept for at least 10 years. 5.3.9.2 Main record files
a) Design files (including finite element calculation files) b) Factory test and functional test record files. c) Important parts (pressure-bearing parts, bolts, etc.) should have: SY/T 5053.1—2000
1) Material records: chemical composition, force properties, impact test, hardness test. 2) Non-destructive testing records: detection method, inspection location, description of flaw detection results, inspection level. 3) Repair welding records: defect inspection description, repair welding method, repair welding quantity and location, re-inspection results. 4) Heat treatment records.
5) Record key dimensions,
6 Test methods
6.1 Physical and chemical properties of metal materials
6.1.1 Mechanical tensile test of metal materials shall be carried out in accordance with GR/T228. 6.1.2 Low temperature Charpy "V" notch impact test of metal materials shall be carried out in accordance with GB/1229. 6.1.3 Hardness test of metal materials shall be carried out in accordance with GB/I 231; 6.1.4 Chemical composition analysis and sampling of metal materials shall be carried out in accordance with GB/T222. 6.2 Blowout preventer rubber core test
Blowout preventer rubber core rubber hardness and physical property test shall be carried out in accordance with C2 and C4 in Appendix C (Standard Appendix) respectively. 6.3 Blowout preventer performance test
6.3.1 Test medium
Clean water shall be used for hydrostatic strength test and sealing performance test of pressure-bearing parts; No. 20 hydraulic oil shall be used for hydraulic control oil circuit and oil cylinder strength test; compressed air or nitrogen shall be used for air sealing performance test. 6.3.2 Test equipment and instruments
Test equipment and instruments should be regularly verified, calibrated and adjusted. The accuracy level of the bottom force measuring instrument and pressure sensor shall not be lower than Class 1.5. The minimum surface diameter of the pressure gauge is 100mm, and the measured pressure value is within the range of 25%-75% of the pressure gauge scale. The pressure sensor is allowed to be used up to the full range.
6.3.3 Test procedure
Perform performance tests item by item according to the items and requirements listed in Table 8. 6.3.3.1 Strength test shall be carried out according to the following procedures: a) Slowly increase the pressure step by step, each level of pressure increase is 5.0~10.0MPa, and the pressure is stabilized for 1.0~2.0min. The pressure rises to the test pressure value, and the timing is started after the pressure stabilizes. The stabilization time is not less than 3.0min: b) Slowly reduce the pressure to zero:
c) Repeat the test according to procedures a) and b) for a repulsive cycle, and start the timing after the pressure stabilizes. The stabilization time is not less than 15.0min, and then slowly reduce the pressure to zero.
6.3.3.2 The sealing performance test shall be conducted separately for low-pressure and high-pressure sealing performance tests. After the low-pressure test, the pressure does not need to be reduced to the same level, and the high-pressure sealing performance test can be conducted directly.
6.3.3.3 The pressure value of the air-tight performance test is the maximum working force of the blowout preventer. During the test, the test piece shall be placed underwater to observe whether there are bubbles coming out of the sealing part:
6.3.4 Safety measures
Safety protection measures and monitoring equipment shall be implemented during the test. During the hydrostatic strength test, it is strictly forbidden for personnel to approach the test piece to observe the test situation or manually operate the test piece
6.4 Diameter test
After the assembled blowout preventer group or single blowout preventer completes the various tests specified in Table 8, the diameter test of the blowout preventer shall be conducted with a diameter gauge, and the passing time from the upper end to the lower end of the blowout preventer shall be recorded. 6.5 Blowout preventer function test
The blowout preventer function test shall be conducted in accordance with Appendix D (Appendix of the Standard). 8
7 Inspection rules
7.1 Inspection classification
SY/T 5053.1—2000
The inspection of BOP is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Factory inspection items include mechanical tensile properties of metal materials, low temperature composite "V\ notch impact of metal materials, chemical composition of metal materials, hardness of metal materials, non-destructive testing, hardness and physical properties of BOP rubber, hydrostatic strength, control and cylinder strength, sealing performance and diameter test. 7.2.2 Sampling and determination of inspection items are carried out according to Appendix B (Appendix to the standard) and Appendix C (Appendix to the standard). 7.2.3 Factory inspection items are as follows: --If any item fails to meet the standards, the product shall be deemed unqualified. 7.3 Type inspection
7.3.1 Type inspection shall be conducted in any of the following situations: a) When a new product is put into production for appraisal; b) When there are major changes in the structure, process and materials of the formal production store, which may affect the product performance; e) When the national quality supervision agency proposes a type inspection requirement; d) There is a large difference between the final inspection result and the original inspection result; e) When the product is resumed after a long period of suspension. 3.2 Type inspection items include the factory inspection items, and shall also be conducted in accordance with Appendix D) (Appendix to the standard) Perform functional inspection. If any item fails in the type inspection of 7.3.3, the batch of products will be judged to have failed the type inspection. 8 Marking, packaging, storage
8.1 Marking
8.1.1 The product nameplate should include the following contents: product model and name, main technical parameters, temperature level, production date and factory number, product dimensions, quality, product standards, production license number, manufacturer name. 8.1.2 Random accessories and attachments should be clearly marked and labeled, and should have a certificate of conformity. 8.2 Packaging
8.2.1 Rubber parts and sealing gaskets should be packaged separately , rubber parts are packed separately with black plastic tape, and are not allowed to be mixed with other metal parts. 8.2.2 Flange sealing gasket ring grooves and threads should have anti-rust and anti-collision measures. 8.2.3 Product instructions, certificates of conformity, and packing lists should be packed together with the products. 8.3 Storage
8.3.1 During transportation and storage, the product should be protected from direct sunlight and rain, and should not be in contact with substances that affect the quality of rubber, such as acid, alkali, and organic solvents.
8.3.2 The product should be stored in a warehouse at 15~35℃ and relative humidity of 50%~85%, at least 11 meters away from heat sources: 91mm
Table 10 Shear gate shearing pipe string test requirements Shearing pipe string size
Drill pipe grade
Drill pipe specification
Gate blowout preventer with manual locking device shall be subject to manual closing test, test requirements are shown in Table 8 Gate blowout preventer with hydraulic locking device shall be subject to hydraulic locking test, test requirements are shown in Table 8 Nominal diameter ≥425.5mm
Sealing requirements
After shearing the pipe string, perform sealing
Performance test, no sealing part
5.3.7.5 Blowout preventer must be subject to diameter test. After completing the tests specified in Table 8, the assembled BOP group or single BOP shall be subject to diameter test of the BOP with a diameter gauge. The diameter gauge can pass smoothly within 30 minutes without applying external force. 5.3.7.6 BOPs used for natural gas exploration and development can be tested for gas sealing performance according to user requirements. The gas sealing test pressure value is the maximum working pressure of the BOP. During the test, the test piece shall be placed underwater, and no bubbles shall emerge from the sealing part. 5.3.8 Painting requirements
5.3.8.1 Before painting, all defects that affect the quality of the coating must be removed to ensure that the painted surface is smooth and clean. Remove internal water stains and oil stains and wipe dry.
5.3.8.2 The unprocessed inner surface shall be painted with oil-resistant and waterproof red lead anti-rust paint, and the external non-processed surface shall be painted with red paint. 5.3.8.3 The unpainted machined surface shall be painted with anti-rust grease. 5.3.9 Quality record requirements
5.3.9.1 Record requirements
a) The manufacturer shall establish and maintain documented procedures for the identification, collection, cataloging, review, filing, storage and processing of quality records.
b) Records should be clear and easy to identify. The product number and record should be consistent and traceable. c) All records should be signed and dated. Computer-stored records should keep the code of the recorder. d) The quality records of each product should be kept for at least 10 years. 5.3.9.2 Main record files
a) Design files (including finite element calculation files) b) Factory test and functional test record files. c) Important parts (pressure-bearing parts, bolts, etc.) should have: SY/T 5053.1—2000
1) Material records: chemical composition, force properties, impact test, hardness test. 2) Non-destructive testing records: detection method, inspection location, description of flaw detection results, inspection level. 3) Repair welding records: defect inspection description, repair welding method, repair welding quantity and location, re-inspection results. 4) Heat treatment records.
5) Record key dimensions,
6 Test methods
6.1 Physical and chemical properties of metal materials
6.1.1 Mechanical tensile test of metal materials shall be carried out in accordance with GR/T228. 6.1.2 Low temperature Charpy "V" notch impact test of metal materials shall be carried out in accordance with GB/1229. 6.1.3 Hardness test of metal materials shall be carried out in accordance with GB/I 231; 6.1.4 Chemical composition analysis and sampling of metal materials shall be carried out in accordance with GB/T222. 6.2 Blowout preventer rubber core test
Blowout preventer rubber core rubber hardness and physical property test shall be carried out in accordance with C2 and C4 in Appendix C (Standard Appendix) respectively. 6.3 Blowout preventer performance test
6.3.1 Test medium
Clean water shall be used for hydrostatic strength test and sealing performance test of pressure-bearing parts; No. 20 hydraulic oil shall be used for hydraulic control oil circuit and oil cylinder strength test; compressed air or nitrogen shall be used for air sealing performance test. 6.3.2 Test equipment and instruments
Test equipment and instruments should be regularly verified, calibrated and adjusted. The accuracy level of the bottom force measuring instrument and pressure sensor shall not be lower than Class 1.5. The minimum surface diameter of the pressure gauge is 100mm, and the measured pressure value is within the range of 25%-75% of the pressure gauge scale. The pressure sensor is allowed to be used up to the full range.
6.3.3 Test procedure
Perform performance tests item by item according to the items and requirements listed in Table 8. 6.3.3.1 Strength test shall be carried out according to the following procedures: a) Slowly increase the pressure step by step, each level of pressure increase is 5.0~10.0MPa, and the pressure is stabilized for 1.0~2.0min. The pressure rises to the test pressure value, and the timing is started after the pressure stabilizes. The stabilization time is not less than 3.0min: b) Slowly reduce the pressure to zero:
c) Repeat the test according to procedures a) and b) for a repulsive cycle, and start the timing after the pressure stabilizes. The stabilization time is not less than 15.0min, and then slowly reduce the pressure to zero.
6.3.3.2 The sealing performance test shall be conducted separately for low-pressure and high-pressure sealing performance tests. After the low-pressure test, the pressure does not need to be reduced to the same level, and the high-pressure sealing performance test can be conducted directly.
6.3.3.3 The pressure value of the air-tight performance test is the maximum working force of the blowout preventer. During the test, the test piece shall be placed underwater to observe whether there are bubbles coming out of the sealing part:
6.3.4 Safety measures
Safety protection measures and monitoring equipment shall be implemented during the test. During the hydrostatic strength test, it is strictly forbidden for personnel to approach the test piece to observe the test situation or manually operate the test piece
6.4 Diameter test
After the assembled blowout preventer group or single blowout preventer completes the various tests specified in Table 8, the diameter test of the blowout preventer shall be conducted with a diameter gauge, and the passing time from the upper end to the lower end of the blowout preventer shall be recorded. 6.5 Blowout preventer function test
The blowout preventer function test shall be conducted in accordance with Appendix D (Appendix of the Standard). 8
7 Inspection rules
7.1 Inspection classification
SY/T 5053.1—2000
The inspection of BOP is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Factory inspection items include mechanical tensile properties of metal materials, low temperature composite "V\ notch impact of metal materials, chemical composition of metal materials, hardness of metal materials, non-destructive testing, hardness and physical properties of BOP rubber, hydrostatic strength, control and cylinder strength, sealing performance and diameter test. 7.2.2 Sampling and determination of inspection items are carried out according to Appendix B (Appendix to the standard) and Appendix C (Appendix to the standard). 7.2.3 Factory inspection items are as follows: --If any item fails to meet the standards, the product shall be deemed unqualified. 7.3 Type inspection
7.3.1 Type inspection shall be conducted in any of the following situations: a) When a new product is put into production for appraisal; b) When there are major changes in the structure, process and materials of the formal production store, which may affect the product performance; e) When the national quality supervision agency proposes a type inspection requirement; d) There is a large difference between the final inspection result and the original inspection result; e) When the product is resumed after a long period of suspension. 3.2 Type inspection items include the factory inspection items, and shall also be conducted in accordance with Appendix D) (Appendix to the standard) Perform functional inspection. If any item fails in the type inspection of 7.3.3, the batch of products will be judged to have failed the type inspection. 8 Marking, packaging, storage
8.1 Marking
8.1.1 The product nameplate should include the following contents: product model and name, main technical parameters, temperature level, production date and factory number, product dimensions, quality, product standards, production license number, manufacturer name. 8.1.2 Random accessories and attachments should be clearly marked and labeled, and should have a certificate of conformity. 8.2 Packaging
8.2.1 Rubber parts and sealing gaskets should be packaged separately , rubber parts are packed separately with black plastic tape, and are not allowed to be mixed with other metal parts. 8.2.2 Flange sealing gasket ring grooves and threads should have anti-rust and anti-collision measures. 8.2.3 Product instructions, certificates of conformity, and packing lists should be packed together with the products. 8.3 Storage
8.3.1 During transportation and storage, the product should be protected from direct sunlight and rain, and should not be in contact with substances that affect the quality of rubber, such as acid, alkali, and organic solvents.
8.3.2 The product should be stored in a warehouse at 15~35℃ and relative humidity of 50%~85%, at least 11 meters away from heat sources: 91mm
Table 10 Shear gate shearing pipe string test requirements Shearing pipe string size
Drill pipe grade
Drill pipe specification
Gate blowout preventer with manual locking device shall be subject to manual closing test, test requirements are shown in Table 8 Gate blowout preventer with hydraulic locking device shall be subject to hydraulic locking test, test requirements are shown in Table 8 Nominal diameter ≥425.5mm
Sealing requirements
After shearing the pipe string, perform sealing
Performance test, no sealing part
5.3.7.5 Blowout preventer must be subject to diameter test. After completing the tests specified in Table 8, the assembled BOP group or single BOP shall be subject to diameter test of the BOP with a diameter gauge. The diameter gauge can pass smoothly within 30 minutes without applying external force. 5.3.7.6 BOPs used for natural gas exploration and development can be tested for gas sealing performance according to user requirements. The gas sealing test pressure value is the maximum working pressure of the BOP. During the test, the test piece shall be placed underwater, and no bubbles shall emerge from the sealing part. 5.3.8 Painting requirements
5.3.8.1 Before painting, all defects that affect the quality of the coating must be removed to ensure that the painted surface is smooth and clean. Remove internal water stains and oil stains and wipe dry.
5.3.8.2 The unprocessed inner surface shall be painted with oil-resistant and waterproof red lead anti-rust paint, and the external non-processed surface shall be painted with red paint. 5.3.8.3 The unpainted machined surface shall be painted with anti-rust grease. 5.3.9 Quality record requirements
5.3.9.1 Record requirements
a) The manufacturer shall establish and maintain documented procedures for the identification, collection, cataloging, review, filing, storage and processing of quality records.
b) The records should be clear and easy to identify. The product number and record should be consistent and traceable. c) All records should be signed and dated. The records stored in the computer should keep the code of the recorder. d) The quality records of each product should be kept for at least 10 years. 5.3.9.2 Main record files
a) Design files (including finite element calculation files) b) Factory test and functional test record files. c) Important parts (pressure-bearing parts, bolts, etc.) should have: SY/T 5053.1—2000
1) Material records: chemical composition, force properties, impact test, hardness test. 2) Non-destructive testing records: detection method, inspection location, description of flaw detection results, inspection level. 3) Repair welding records: defect inspection description, repair welding method, repair welding quantity and location, re-inspection results. 4) Heat treatment records.
5) Record key dimensions,
6 Test methods
6.1 Physical and chemical properties of metal materials
6.1.1 Mechanical tensile test of metal materials shall be carried out in accordance with GR/T228. 6.1.2 Low temperature Charpy "V" notch impact test of metal materials shall be carried out in accordance with GB/1229. 6.1.3 Hardness test of metal materials shall be carried out in accordance with GB/I 231; 6.1.4 Chemical composition analysis and sampling of metal materials shall be carried out in accordance with GB/T222. 6.2 Blowout preventer rubber core test
Blowout preventer rubber core rubber hardness and physical property test shall be carried out in accordance with C2 and C4 in Appendix C (Standard Appendix) respectively. 6.3 Blowout preventer performance test
6.3.1 Test medium
Clean water shall be used for hydrostatic strength test and sealing performance test of pressure-bearing parts; No. 20 hydraulic oil shall be used for hydraulic control oil circuit and oil cylinder strength test; compressed air or nitrogen shall be used for air sealing performance test. 6.3.2 Test equipment and instruments
Test equipment and instruments should be regularly verified, calibrated and adjusted. The accuracy level of the bottom force measuring instrument and pressure sensor shall not be lower than Class 1.5. The minimum surface diameter of the pressure gauge is 100mm, and the measured pressure value is within the range of 25%-75% of the pressure gauge scale. The pressure sensor is allowed to be used up to the full range.
6.3.3 Test procedure
Perform performance tests item by item according to the items and requirements listed in Table 8. 6.3.3.1 Strength test shall be carried out according to the following procedures: a) Slowly increase the pressure step by step, each level of pressure increase is 5.0~10.0MPa, and the pressure is stabilized for 1.0~2.0min. The pressure rises to the test pressure value, and the timing is started after the pressure stabilizes. The stabilization time is not less than 3.0min: b) Slowly reduce the pressure to zero:
c) Repeat the test according to procedures a) and b) for a repulsive cycle, and start the timing after the pressure stabilizes. The stabilization time is not less than 15.0min, and then slowly reduce the pressure to zero.
6.3.3.2 The sealing performance test shall be conducted separately for low-pressure and high-pressure sealing performance tests. After the low-pressure test, the pressure does not need to be reduced to the same level, and the high-pressure sealing performance test can be conducted directly.
6.3.3.3 The pressure value of the air-tight performance test is the maximum working force of the blowout preventer. During the test, the test piece shall be placed underwater to observe whether there are bubbles coming out of the sealing part:
6.3.4 Safety measures
Safety protection measures and monitoring equipment shall be implemented during the test. During the hydrostatic strength test, it is strictly forbidden for personnel to approach the test piece to observe the test situation or manually operate the test piece
6.4 Diameter test
After the assembled blowout preventer group or single blowout preventer completes the various tests specified in Table 8, the diameter test of the blowout preventer shall be conducted with a diameter gauge, and the passing time from the upper end to the lower end of the blowout preventer shall be recorded. 6.5 Blowout preventer function test
The blowout preventer function test shall be conducted in accordance with Appendix D (Appendix of the Standard). 8
7 Inspection rules
7.1 Inspection classification
SY/T 5053.1—2000
The inspection of BOP is divided into factory inspection and type inspection. 7.2 Factory inspection
7.2.1 Factory inspection items include mechanical tensile properties of metal materials, low temperature composite "V\ notch impact of metal materials, chemical composition of metal materials, hardness of metal materials, non-destructive testing, hardness and physical properties of BOP rubber, hydrostatic strength, control and cylinder strength, sealing performance and diameter test. 7.2.2 Sampling and
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