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Ministry of Energy of the People's Republic of China Petroleum Industry Standard SY 5337--88
This standard was confirmed in 1998 and remains valid. This is hereby stated. Gravel Packing Tools
Published on February 10, 1989
Ministry of Energy of the People's Republic of China
Implementation on June 1, 1989
Subject Content and Scope of Application
Ministry of Energy of the People's Republic of China Petroleum Industry Standard Gravel Packing Tools
SY 5337:-88
This standard specifies the classification, specifications, model representation method, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of gravel packing tools.
This standard applies to gravel packing tools for sand prevention in oil, gas and water wells. 2. Tool classification, specifications and model representation method 2.1 Tool classification
According to the working mode, it is divided into:
Positive circulation gravel packing tool: code ZT, its structure is shown in Figure 1; Figure!
and reverse circulation gravel packing tool: code FT, its structure is shown in Figure 2. h
2.2 Tool specifications
Divided by the maximum outer diameter of the steel body.
a. The maximum outer diameter specifications of the steel body of the positive circulation gravel packing tool are as follows: 90, 95, 100, 105, 110, 115, 120, 135, 140.144, 148, 152, 165, 185mm. b. The maximum outer diameter specifications of the steel body of the reverse circulation gravel packing tool are as follows: 100, 102, 127. 150mm.
2.3 Tool model representation method
a. Positive circulation gravel packing tool:
Approved by the Ministry of Energy of the People's Republic of China on February 10, 1989 and implemented on June 1, 1989
Time-spacer model
SY 533788
Positive circulation gravel packing tool code
Packer code is compiled in accordance with the provisions of SY5105 "Oil and Gas Field Packer Classification and Model Compilation Method". b. Reverse circulation gravel packing tool
Steel body maximum outer diameter code
Reverse circulation gravel packing tool code
Steel body maximum outer diameter code is expressed in Arabic numerals in mm. 3 Technical requirements
3.1 Technical performance of finished products www.bzxz.net
3.1.1 Throwing
a, when the axial load of the undercutting plane is 10-20kN, the undercutting torque should be less than 1kNm. b, the hydraulic force of the hydraulic hand should be selected from the following series: 10. 15. 20MPa.
3.1.21 The working pressure should be selected from the following series: 10. 15, 20MPa.
3.1.3 The working temperature should be selected from the following series: 70, 90.120, 150, 180, 300, 370°C. 3.1.4 The classification of steering dew is shown in Table 1.
Gravel crushing rate
Note: x in the table is the code for gravel crushing rate.
3.1.5 The tensile strength should be selected from the following series: l00. 175. 248, 375. 386, 478kN.3.2 Material requirements
3.2.1 The material must meet the requirements of the drawing, and other materials with performance not lower than that specified in the drawing can also be used instead. 3.2.2 The physical and mechanical properties and appearance quality of seals and packings should meet the requirements of HG4-1420~1421 "Compression (YS) type packer rubber cylinder for oil (field)" and "Expansion (KZ) type packer rubber cylinder for oil and gas" 3.3 Processing requirements
3.3.1 The pipe thread should be added according to the provisions of GB9253.3 "Petroleum pipe thread". 533788
3.3.2 The drill pipe thread shall be processed in accordance with the provisions of GB9253.1 "Petroleum Drill Pipe Joint Thread". 3.3.3 Ordinary threads shall be processed in accordance with the requirements of GB196~197 "Ordinary threads" and GB2516 "Ordinary thread deviation (1~355mm)".
3.3.4 Machining dimensions without tolerances: The hole and shaft diameter tolerances shall be processed and inspected in accordance with the IT14 level of GB1804 "Tolerances and fits, limit deviations of tolerances and dimensions", and the length shall be inspected in accordance with ±1/2 IT14 level plus.T. 3.3. 5 For machined parts without shape and position tolerances in the drawings, they shall be processed and inspected in accordance with Class A of GB1184 "Specifications for shape, position and tolerances without tolerances".
3.4 Appearance requirements
No deformation of the steel body and no external damage to the packing parts.
Test method
4.1 Undercut test
4.1.1 Equipment used
Tension-torque instrument, and joint assembly. 4.1.2 Test steps
Install the joint assembly on the tension-torque instrument and test the data according to item a in 3.1.1. 4.2 Liquid Pressure release test
4.2.1 Equipment used
Test pressure pump, gravel packing tool, etc.
4,2,2 Test steps
Connect the gravel packing tool with the test pressure pump and test its release pressure according to item h in 3.1.1. 4.3 Working pressure and working temperature test
Perform the test method according to SY5106 "General Technical Conditions for Oil and Gas Field Packers" 4.4 Gravel crushing rate test
4.4.1 Equipment used
Sand control mining truck, gravel packing tool. Gravel of 0.4-0.8mm, Test tank and measuring soldiers, etc. 4.4.2 Test medium and parameters
Sand-carrying fluid: water;
Displacement: 5.3L/s;
Sand ratio: 5%;
Gravel volume: 100L.
4.4.3 Test steps
Put the gravel filling tool into the test tank and connect it to the sand pump truck. Carry out the test according to the requirements of Article 4.2.2. Recover all the gravel and take 0.3% of its volume for gravel median analysis. 4.4.4 Data processing
Where: x--gravel crushing rate. %;
d. -d2 × 100
Ratio--median value of gravel before test (diameter of gravel at the point where the cumulative weight is 50% on the sieve curve), mm: dz--median value of gravel after test (diameter of gravel at the point where the cumulative weight is 50% on the sieve curve), mm. 4.5 Tensile strength test
Tensile strength test is carried out at 80% of the tensile strength in 3.1.5. There shall be no residual deformation after the test, and there shall be no adhesion, coughing and other phenomena in the threaded parts.
5 Inspection rules
5.1 Factory inspection
SY 5337-88
Each set of tools shall be tested for hand release, normal temperature test and appearance requirements. 5.2 Type inspection
5.2.1 Inspection contents
a Hand release performance;
b Working pressure;
c Working temperature;
d. Gravel crushing rate;
e. Tensile strength.
5.2.2 Sampling and judgment rules
5% random inspection. If there are less than 20 sets, 1 set shall be inspected; if 1 set fails during random inspection, double inspection shall be conducted. If it fails again, this batch of products shall be considered unqualified.
6 Marking, packaging, transportation, storage
6.1 Marking
6.1.1 Product marking
The product name, model, factory name, manufacturing date, etc. shall be printed on the surface of the tool. 6.1.2 Packaging marking
The outer packaging shall have a "moisture-proof" mark
The delivery and receipt marks on the outer packaging shall comply with the provisions of GB6388 "Delivery and Receipt Marks for Transport Packaging". 6.2 Packaging
, anti-rust measures shall be taken before the tools are packaged: plastic film shall be used for the inner packaging, and box shall be used for the outer packaging; the parts in the box shall be firm and reliable.
6.2.2 Documents accompanying the product when it leaves the factory
a. Product certificate;
b. Product packing list;
Instruction manual.
6.3 Transportation
Tools must be strictly protected from collision during transportation: prevent squeezing, rain and sun exposure. 6.4 Storage
6.4.1 After removing the packaging box, the tools should be placed on a special rack indoors and must not overlap. 6.4.2 It is strictly forbidden to contact with corrosive substances such as acid, alkali and salt. 6.4.3 Before the seal leaves the factory, its storage period shall not exceed years. 6.4.4 The storage period of the seal shall be 1 year from the date of leaving the factory. Additional remarks:
This standard is proposed by the Oil and Gas Production Professional Standardization Committee of China National Petroleum Corporation. This standard is proposed by the Petroleum Exploration and Development Research Institute. This standard was drafted by Shengli Oilfield Caishan Technology Research Institute with Zhang Yigang as the main drafter. This standard remained valid after the review in 199, and the review result has been approved by the State Administration of Petroleum and Chemical Industry.
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