Some standard content:
ICS75.180
Registration No.: 10419-2002
Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T5070—2002
Replaces SYS070—9L, SY5424—91, SY/T5688—95 Cutters for drilling and servicing 2002 -05-28 Issued
National Economic and Trade Commission
2002-08-01 Implementation
SY/T5070--2002
This standard is to revise the three standards SY5070--91 "Mechanical internal cutter", SY5424--91 "Mechanical external cutter", SY/T5688-95 "Hydraulic external cutter" into one standard, and add "Inner thread of water-type internal cutter". Compared with the three standards SY5070-91, the main changes of this standard are as follows: - Added the content about hydraulic internal cutter; unified the naming method of internal and external cutters; - - Added the requirements for the mechanical properties of the materials of the main parts; - - Added the requirements for the diameter of the tip when the cutter head is fully extended; a pair of connecting threads , cutting and dropping fish, lifting and dropping fish capacity (the cutting point in SYT5688--95 is based on the [maximum weight of dropping fish]) part of the contents are completed:
- Added the inspection methods for joint threads, mechanical properties, non-destructive testing, movement flexibility, and external cutter lifting and dropping fish capacity: - Standardized the cutting test method, added the requirements for cutting speed and axial push force in the cutting test; deleted the requirements for outer diameter and inner diameter;
- Deleted the requirements for tool tip position tolerance. This standard was proposed by the National Technical Committee for Standardization of Petroleum Drilling and Production Equipment and Tools and is under the jurisdiction of: The responsible drafting unit of this standard: Drilling Technology Research Institute of North China Petroleum Administration Bureau. The main drafters of this standard: Su Xuebin, Su Kaixun, Pu Lingxia, Tian Xiaoyan. The previous versions replaced by this standard are:
SY 5070--85, 5Y 507091. SY 5424--91, SY/F 5688--95.1 Range
Drilling and cutting knife
SY/T 50702002
This standard specifies the model indication method, basic parameters, technical requirements, test methods, inspection specifications, marking, packaging, transportation and storage of internal and external cutters.
This standard applies to the selection, manufacture and inspection of hydraulic and mechanical internal and external cutters used for cutting thin-walled pipes such as pipes, casings and drill support bodies (excluding weighted drill pipes) in drilling and well repair operations. 2 Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest versions are applicable to this standard. GB/T 228 Metal tensile test method
Metal Charpy impact test method
GB/T 229
GB/T 230
Metal Jerk hardness test method
Metal Brinell hardness test method
GB/T 231
Petroleum drill pipe joint thread gauge
GB/T 4749
GB/T6397 Metal tensile test specimens
GB/T9253.1 Petroleum drill pipe joint threads
GB/9253.2 Processing, measurement and inspection of casing, tubing and line pipe threads in the petroleum and natural gas industriesJB/T4730 Nondestructive testing of pressure vessels
SY/T5029 Sucker rods (suppression rod pup joints, polished rods, couplings and reducing couplings) 3 Model representation method
Metal parameter code, expressed in meters of the tool's outer diameter; Earth parameter code, expressed in millimeters of the cutting fish's outer diameter: Type code, S stands for "hydraulic type", J stands for "mechanical type": Name code, D stands for "cutting":
Type code, N stands for "inside", W stands for "outside". Example 1: NDJ127 × 102
means the outer diameter of the cut fish is 127mm, 1. The outer diameter of the tool is 102mm. Example 2: Wms89×143 means the outer diameter of the cut fish is 89mm, the outer diameter of the tool is 143mm. 4 Basic parameters
The basic parameters of the internal cutter are shown in Table 1, and the basic parameters of the external cutting force are shown in Table 2. SY/T 5070-2002
Model number
NDJ(S)60X
NJ (S) 73 ×
NDI (S) 89 ×D
N) ($) 102 ×EWww.bzxZ.net
ND) (s) 114 ×E
NDJ (S) 127×C
NDJ (S) 140 ×
NDJ (S) 168 ×
NDJ (S) 178 ×
NDJ (S) [93 ×
NDI (S) 219×D
N (S) 244 ×
NDI (S) 340 ×
NDI (S) 406 ×
N (S) 473 ×
NDJ (S) 508 ×
Table 1 Basic parameters of internal cutters
Connector thread
17/8 sucker rod thread
65gREG
Allowed
3 years oldREG
Note 1: "(S) indicates mechanical (or hydraulic) type: Note 2: indicates the outer diameter of the tool determined by the manufacturer
Outer diameter of the cutter,
Table 2 Basic parameters of external cutters
WD) (S) 60 ×C
WD) (S) 73 ×L
WDJ (S) 89 ×
WDJ(S)102×
Cutting fish
60.3 oil cellar
73.0 oil replacement
88.9 oil pipe
101.6 oil pipe
After replacing accessories
Can cut fish
60.3 drilling rig
60.3 oil pipe
73.0 drill pipe
73.0 oil pipe
88.9 drill pipe
88.9 oil pipe
Improve the ability to fall
Shear pin shearing force
Axial thrust force
4·-10
10～30
Axial thrust force
WIJ (S)[27×
Cutting negative
127.0Drill pipe
Note 1: J (S) indicates machine type (or hydraulic type). Table 2 (continued)
After replacing accessories
Can cut fish
114.3Drill pipe
88.9Drill stem
101.6Oil pipe
Note 2: Indicates the outer diameter of the tool determined by the manufacturer. 5 Technical requirements
Lifting fish capacity
Shear pin shear force
10--20
SY/T 5070—2002
Axial thrust force
10- 30
The mechanical properties of the main parts such as the mandrel of the inner cutter and the upper joint and outer barrel of the outer cutter after heat treatment shall comply with the provisions of Table 3. 5.1
Table 3 Mechanical properties of the main parts of the cutter Tensile strength d
Deletion strength.
Extension rate s
Impact energy Aky
5,2 The anchoring slip of the inner cutter should be surface treated, and the surface hardness of the slip tooth is 50HRC65HRC5.3 The hardness of the blade of the high-speed tool steel cutter head after heat treatment should be 55HRC--65HRC, hardness
260--320
5.4 The mandrel of the inner cutter and the upper joint and outer shell of the outer cutter should be non-destructively tested, and the defect level should not be lower than the single defect level Ⅲ and the dense area defect level Ⅱ specified in JB/T4730. 5.5 The connecting thread of the inner cutter should meet the requirements of GB/19253.1, GB/T9253.2 and SY/T5029. The connecting thread of the external cutter should be the same as the connecting thread of the corresponding sleeve milling pipe. It is recommended to use a double-stage thread. 5.6 All relatively rotating or relatively moving parts should move flexibly without any jamming. When the cutter head is fully extended, the tip diameter of the internal cutter should be larger than the outer diameter of the fish & mm. For external cutting.The tip diameter of the knife should be less than the minimum inner diameter of the fish. There should be no obstruction when the knife head is reset.
5.7 The anchoring force generated by the mechanical internal cutter slip should be greater than the axial push force specified in Table 1. 5.8 If the external cutter is controlled by a shear pin, the shearing force of the shear pin should comply with the provisions of Table 2. 5.9 During the cutting test, the cutter should be able to cut the fish within 20min, and the knife body should not break or deform in a way that affects the contraction of the knife body. The tip should not have chipped edges or be significantly blunted, and the fish cut should be smooth. 5.10 The external cutter that can lift the fish above the cutting point from the inside should have a lifting capacity not less than that specified in Table 2: 6 Test methods
6.1 Mechanical properties test of materials
The test specimens for the tensile test shall comply with the requirements of GB/T6397, and the test methods for the tensile test and the impact test shall be carried out in accordance with the relevant provisions of GB/228 and GB/T229 respectively. The test methods for Rockwell hardness and Brinell hardness shall be carried out in accordance with the relevant provisions of GB/T230 and GB/I231 respectively. The test position for hardness shall be within the range of no more than 10mm from the tip of the cutter. 6.2 Nondestructive testing
Nondestructive testing shall be carried out in accordance with the nondestructive testing method for pressure vessel forgings specified in JR/T4730,3
SY/T 5070—2002
6.3 Connection thread inspection
The threads of the oil pipe, casing and drill pipe joints used by the cutter shall be inspected for close distance, and the inspection method shall be carried out in accordance with the methods specified in GB/T9253.1 and GB/19253.2. The gauge used for inspection shall comply with the requirements of GB/T4749 and GB/T9253.2. The threads of the sucker rod used for cutting shall be subjected to looseness test, and the test method shall be carried out in accordance with the method specified in SY/T 5029. 6.4 Movement flexibility
Turn or move the relative moving parts to check whether there is any jamming phenomenon; move the cutter body to check its extension and reset. 6.5 Cutting performance test
6.5.1 Preparation before cutting
Select a pipe column suitable for the cutting range of the cutter as the drop fish and fix it vertically. Connect the cutter to the cutting drill string and slowly lower the cutter into the drop fish to the predetermined cutting position. 6.5.2 Cutting conditions
a) Continuous cooling with coolant:
b) Rotation speed: 20r/min～60r/min
6.5.3 Cutting test
6.5.3.1 Mechanical internal cutter
After the cutter rotates several times in the forward direction, press down the mandrel, clamp the slips, and check the anchoring ability of the slips according to 5,7: rotate the cutter in the forward direction, and at the same time apply the axial push force according to the provisions of Table 1 until the fish is cut off, and record the cutting time. Lift the cutter, the slip should be able to be retracted smoothly, remove the cutting hall, check the force body, the tip of the cutter and the fish incision.
6.5.3,2 Hydraulic internal cutter
Rotate the cutter in the forward direction, and start the pump circulation at the same time, so that the thrust generated by the piston is consistent with the axial push force specified in Table 1, until the fish is cut off, and record the cutting time. Remove the cutting knife and check the body, knife tip and fish cut. 6.5.3.3 If the mechanical external cutting knife
has a shear pin control, the shear pin must be cut first and the shear force must be recorded. Then rotate the cutting knife forward and apply axial push force as specified in Table 2 until the fish is cut, and record the cutting time. Remove the bayonet and check the knife body, knife tip and fish cut. 6.5.3.4 If the hydraulic external cutting knife
has a shear pin control, the shear pin must be cut first and the shear pin shear pressure difference or shear force must be recorded. Then rotate the cutting knife forward and start the pump cycle so that the thrust generated by the piston matches the axial push force specified in Table 2 until the fish is cut, and record the cutting time. Remove the cutting knife and check the knife body, knife tip and fish cut.
6.6 External cutter lifting fish drop capacity
Fix the fish drop, put the cutter into the corresponding fish drop, slowly apply axial tension until the load increases to 1.5 times the lifting capacity of the equipment specified in Table 2, and maintain for 5 seconds. The fish drop should not slip when it is moved by manpower, and then unload and check that all parts should not be deformed or damaged.
7 Inspection rules
7.1 Inspection classification
7.1.1 Factory inspection
Products can only be shipped to the factory after they have passed the inspection of the manufacturer's inspection department and are accompanied by product qualification certificates. 7.1.2 Type inspection
When one of the following situations occurs, a type inspection-prototype trial production shall be carried out;
When the formally produced product has major changes in structure, materials and technology, which may affect the product performance: When the national or industry quality supervision agency has put forward type inspection requirements. 4
7.2 Inspection items
The inspection items for factory inspection and type inspection shall be implemented in accordance with Table 4. Table 4 Inspection items
Inspection items
Connection thread
Movement flexibility
Cutting performance test
Lifting and falling ability
Technical requirements Article number
5.7, 5.8,5.9
Note: √ is a mandatory inspection item. × is an uninspected item. 7.3 Judgment rules
Test method Article number
Factory inspection
SY/T 50702002
Type inspection
When the product leaves the factory, it should be inspected piece by piece. If one item fails, the product shall be judged as a defective product. When the product is subjected to type inspection, a set of samples shall be randomly selected for inspection. If one item fails, the type inspection shall be judged as failed. 8 Marking, packaging, transportation, storage
8.1 Marking
In the product marking slot, at least the following marks shall be printed: manufacturer code or trademark;
-product model;
connector thread code:
-factory number or factory date,
8.2 Packaging and transportation
8.2.1 Surface anti-corrosion measures shall be taken on the outer surface of the product and the surface of the connecting thread. 8.2.2 Random documents include:
Product certificate;
Instruction manual;
Packing list.
The above documents shall be packed with plastic bags and packaged with the product. 8.2.3 The packaging of the product shall comply with the relevant regulations for road, rail or sea transportation. 8.3 Storage
8.3.1 Products should be stored in a dry, clean and ventilated warehouse. If exposed to the sun, they should be covered and anti-corrosion measures should be taken. 8.3.2 Rubber seals should be stored in a dry, cool warehouse, and the shelf life should not exceed 18 months.1 Mechanical internal cutter
After the cutter rotates several times in the forward direction, press down the mandrel, clamp the slips, and check the anchoring ability of the slips according to 5, 7: rotate the cutter forward, and apply the axial push force according to the provisions of Table 1 until the fish is cut off, and record the cutting time. Lift the cutter, the slip should be able to be retracted smoothly, and remove the cutting hall to check the force body, the tip of the knife and the fish cut.
6.5.3,2 Hydraulic internal cutter
Rotate the cutter forward, and start the pump circulation at the same time, so that the thrust generated by the piston is consistent with the axial push force specified in Table 1, until the fish is cut off, and record the cutting time. Lift the cutter, check the body, the tip of the knife and the fish cut. 6.5.3.3 Mechanical external cutter
If the cutter has a shear pin control, the shear pin must be cut first, and the shear force must be recorded. Then rotate the cutter forward, apply axial push force as specified in Table 2 until the fish is cut, and record the cutting time. Remove the cutter and check the cutter body, cutter tip and cutter cut. 6.5.3.4 Hydraulic external cutter
If the cutter has a shear pin control, the shear pin must be cut first, and the shear pin shearing pressure difference or shearing force must be recorded. Then rotate the cutter forward, start the pump cycle, so that the thrust generated by the piston is consistent with the axial push force specified in Table 2, until the fish is cut, and record the cutting time. Remove the cutter and check the cutter body, cutter tip and cutter cut.
6.6 External cutter lifting fish capacity
Fix the fish, put the cutter into the corresponding fish, and slowly apply axial tension until the load increases to 1.5 times the lifting capacity specified in Table 2, and maintain for 5 seconds. It must not slip when the fish is moved by adding manpower. Then unload and check that all parts must not be deformed or damaged.
7 Inspection rules
7.1 Inspection classification
7.1.1 Factory inspection
Products can only be shipped to the factory after they have passed the inspection of the manufacturer's inspection department and are accompanied by product qualification certificates. 7.1.2 Type inspection
When one of the following situations occurs, a type inspection - prototype trial production is carried out;
When the structure, material and process of the formally produced product have major changes that may affect the product performance; When the national or industry quality supervision agency puts forward the type inspection requirement. 4
7.2 Inspection items
The inspection items for factory inspection and type inspection shall be carried out in accordance with Table 4. Table 4 Inspection Items
Inspection Items
Connection Thread
Flexibility of Movement
Cutting Performance Test
Lifting and Falling Ability
Technical Requirements Article Number
5.7, 5.8,5.9
Note: √ is a mandatory inspection item. × is an uninspected item. 7.3 Judgment Rules
Test Method Article Number
Output Inspection
SY/T 50702002
Type Inspection
When the product is shipped, it should be inspected piece by piece. If one item is unqualified, the product is judged as unqualified. When the product is subjected to type inspection, a set of samples should be randomly selected for inspection. If one item is unqualified, the type inspection is judged to have failed. 8 Marking, packaging, transportation, storage
8.1 Marking
In the product marking slot, at least the following markings should be printed: manufacturer code or trademark;
-product model;
connector thread code:
-factory number or factory date,
8.2 Packaging and transportation
8.2.1 Anti-corrosion measures should be taken for the outer surface of the product and the surface of the connecting thread. 8.2.2 Random documents include:
Product certificate;
Instruction manual;
Packing list.
The above documents are packed with plastic bags and packaged with the product. 8.2.3 The packaging of the product should comply with the relevant regulations for road, rail or sea transportation. 8.3 Storage
8.3.1 The product should be stored in a dry, clean and ventilated warehouse. If it is stored in the open, it should be covered and anti-corrosion measures should be taken. 8.3.2 Rubber seals should be stored in a dry, cool warehouse and the storage period should not exceed 18 months.1 Mechanical internal cutter
After the cutter rotates several times in the forward direction, press down the mandrel, clamp the slips, and check the anchoring ability of the slips according to 5, 7: rotate the cutter forward, and apply the axial push force according to the provisions of Table 1 until the fish is cut off, and record the cutting time. Lift the cutter, the slip should be able to be retracted smoothly, and remove the cutting hall to check the force body, the tip of the knife and the fish cut.
6.5.3,2 Hydraulic internal cutter
Rotate the cutter forward, and start the pump circulation at the same time, so that the thrust generated by the piston is consistent with the axial push force specified in Table 1, until the fish is cut off, and record the cutting time. Lift the cutter, check the body, the tip of the knife and the fish cut. 6.5.3.3 Mechanical external cutter
If the cutter has a shear pin control, the shear pin must be cut first, and the shear force must be recorded. Then rotate the cutter forward, apply axial push force as specified in Table 2 until the fish is cut, and record the cutting time. Remove the cutter and check the cutter body, cutter tip and cutter cut. 6.5.3.4 Hydraulic external cutter
If the cutter has a shear pin control, the shear pin must be cut first, and the shear pin shearing pressure difference or shearing force must be recorded. Then rotate the cutter forward, start the pump cycle, so that the thrust generated by the piston is consistent with the axial push force specified in Table 2, until the fish is cut, and record the cutting time. Remove the cutter and check the cutter body, cutter tip and cutter cut.
6.6 External cutter lifting fish capacity
Fix the fish, put the cutter into the corresponding fish, and slowly apply axial tension until the load increases to 1.5 times the lifting capacity specified in Table 2, and maintain for 5 seconds. It must not slip when the fish is moved by adding manpower. Then unload and check that all parts must not be deformed or damaged.
7 Inspection rules
7.1 Inspection classification
7.1.1 Factory inspection
Products can only be shipped to the factory after they have passed the inspection of the manufacturer's inspection department and are accompanied by product qualification certificates. 7.1.2 Type inspection
When one of the following situations occurs, a type inspection - prototype trial production is carried out;
When the structure, material and process of the formally produced product have major changes that may affect the product performance; When the national or industry quality supervision agency puts forward the type inspection requirement. 4
7.2 Inspection items
The inspection items for factory inspection and type inspection shall be carried out in accordance with Table 4. Table 4 Inspection Items
Inspection Items
Connection Thread
Flexibility of Movement
Cutting Performance Test
Lifting and Falling Ability
Technical Requirements Article Number
5.7, 5.8,5.9
Note: √ is a mandatory inspection item. × is an uninspected item. 7.3 Judgment Rules
Test Method Article Number
Output Inspection
SY/T 50702002
Type Inspection
When the product is shipped, it should be inspected piece by piece. If one item is unqualified, the product is judged as unqualified. When the product is subjected to type inspection, a set of samples should be randomly selected for inspection. If one item is unqualified, the type inspection is judged to have failed. 8 Marking, packaging, transportation, storage
8.1 Marking
In the product marking slot, at least the following markings should be printed: manufacturer code or trademark;
-product model;
connector thread code:
-factory number or factory date,
8.2 Packaging and transportation
8.2.1 Anti-corrosion measures should be taken for the outer surface of the product and the surface of the connecting thread. 8.2.2 Random documents include:
Product certificate;
Instruction manual;
Packing list.
The above documents are packed with plastic bags and packaged with the product. 8.2.3 The packaging of the product should comply with the relevant regulations for road, rail or sea transportation. 8.3 Storage
8.3.1 The product should be stored in a dry, clean and ventilated warehouse. If it is stored in the open, it should be covered and anti-corrosion measures should be taken. 8.3.2 Rubber seals should be stored in a dry, cool warehouse and the shelf life should not exceed 18 months.
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