SY/T 5369-1994 Management and use of petroleum drilling tools Kelly, drill pipe, drill collar
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T 5369—94
Management and Use of Petroleum Drill Tools
Kelly, Drill Pipe, Drill
Published on August 4, 1994
China National Petroleum Corporation
Implementation on December 1, 1994
1 Subject Content and Scope of Application
Petroleum and Natural Gas Industry Standard of the People's Republic of China Management and Use of Petroleum Drill Tools
Kelly, Drill Pipe, Drill
This standard specifies the management, inspection and use of drilling tools for onshore and offshore drilling. This standard applies to kelly, drill pipe and drill chain used in petroleum and natural gas drilling operations. 2 Reference standards
SY/T5824 Drill pipe graded inspection method
SY/T5953 Drill tool thread shoulder surface grinding methodSY 5198 Drill tool thread compound
3 Drill tool management
3.1 General
3.1.1 Drill tools shall be managed as assets.
SY/T 5369:94
Replaces SY5369-89
3.1.2 Drill pipes shall be managed in grades or in sets. 3.1.2.1 Grading management: The pipe station or the corresponding unit shall inspect and grade the drill pipe according to the drill pipe quality grading standard, and equip the construction well team with drill pipes of corresponding grades according to the drilling design:
3.1.2.2 Grading and set management: The pipe station or the corresponding unit shall inspect and grade the drill pipe according to the drill pipe quality grading standard; and then equip the drill pipes of the same grade to the construction well team for use according to the drilling design. 3.1.3 Drill pipe grading shall be carried out in accordance with ST/T5824. 3.1.4 Establish a drill pipe use file. A card is set for each drill pipe or each set of drill pipes, and the card is in duplicate: one copy is archived by the pipe station or the corresponding unit, and the other copy is delivered to the well with the drill pipe. The card format is shown in Tables 1 to 4. The codes of some domestic and foreign drilling tool manufacturers are shown in Appendix A (reference).
Nominal size
Well team "Well number
Inspection date
Drilling and footage
Drill pipe classification card (front)
Date of commissioning
Determine the grade
Table 2 Drill pipe classification card (back)
Usage record
From this time
China National Petroleum Corporation 1994-08-04 Approved cumulative footage
Rotation time
Inspector
1994-12--01 Implementation
Nominal size Company
Complete date
Grade change
Inspection date
SY/ T 536994
Table 3 Drill Pipe Set Card (front)
Manufacturer
Confirmation Level
Number of Roots
Rejected Number
Table 4 Drill Pipe Set Card (back)
Usage Record
Start and End Date
Accumulated Driving Fee
Rotation Time
Putting-in Date
Total Number of Roots
Inspector
Disabled Number
3.1.5 Drill pipe grading mark is 0.51m from the external thread joint The white paint ring at the hole. The drill pipe classification marking method is shown in Table 5. Table 5 Drill pipe classification marking method
Drill pipe grade
New drill pipe
Grade drill pipe
Secondary drill pipe
Blue grade drill pipe
Reported drill pipe
3.1.6 The use of drilling tools as downhole tools or other purposes must be approved by the relevant departments. Number of white paint rings
3,1.7 The drilling tools are buried in the well due to an accident. Within half a month after the accident is handled, the well team shall fill in the well burial and report: After review by the relevant departments, it shall be included in the annual report of drilling tools Report to the relevant superior authorities for record. 3.2 Acceptance of new drilling tools
3.2.1 After the new drilling tools arrive at the pipe station or the corresponding unit, their quality assurance certificate and commodity inspection certificate shall be inspected and accepted, and the purchase date, manufacturer, steel grade, specification, wall thickness, length, etc. of the drilling tools shall be registered. The pipe station or the corresponding unit has the right to reject drilling tools that have not been inspected or have incomplete commodity inspection documents.
3.2.2 Check the appearance and flaw detection of each pipe body: the spot check volume for thread accuracy inspection shall not be less than 10%. The supplier and the superior departments shall be notified of the drilling tools that fail the inspection in a timely manner. ||tt ||3,2.3 The acceptance report is in duplicate, one copy is sent to the supply department, and the other copy is kept. 3.3 Failure analysis and feedback of drilling tools
3.3.1 In case of early failure of drilling tools: they should be sent to a failure analysis unit recognized by the state for failure analysis research. 3.3.2 The inspection samples should include all failure areas. Anti-corrosion and protection measures should be taken for the failure parts, especially the fractures. At the same time, the original data such as the use of the failed drilling tools and the on-site situation at the time of failure should be provided. 3.3.3 The pipe station or the corresponding unit is responsible for the organization and information feedback of the failure analysis of drilling tools. SY/ T 5369—94
3.3.4 The unit responsible for the failure analysis of drilling tools should regularly summarize and analyze the failure of drilling tools in various oil and gas production areas across the country. 1. Report to the management department and feedback to each oil field.
3.4 Issuance and recovery of drilling tools
3.4.1 New and old drilling tools shall be stamped and uniformly marked before leaving the station. The marking content is: steel grade and drilling tool number, etc. 3.4.2 The steel stamp is stamped on the smooth surface of the external thread joint end; for joints with stress dispersion grooves, the steel stamp should be stamped in the special groove on the surface of the external thread joint.
3.4.3 Drill chain: After the drill pipe is threaded, the steel stamp is still stamped on the external thread. When the drill pipe is cut and welded, the steel stamp is still required on the joint after welding
3.4.4 Drilling tools should be equipped with thread guards when leaving the station.
3.4.5 When loading drilling tools out of the station, they should be arranged in order according to the internal and external thread joints, and the lengths are different. 3.4.6 Drilling tools that have been inspected and have qualified marks can be delivered to the well. When the drilling tools are delivered to the well, the cards are delivered together with the drilling tools: the drilling technicians are responsible for signing.
3.4.7 If the quality of the delivered drilling tools does not meet the drilling design requirements after acceptance by the well team, the well team has the right to refuse to sign. Fill in all the contents of the card for recovering or transferring drilling tools clearly before the pipe station or the corresponding unit can recover or transfer them. The drilling tool card is filled in by the drilling technician. 3.4.8 Drilling tools must be recovered in time. After the drilling tools are recovered, their inner and outer surfaces and threaded parts must be cleaned in time. 3.4.9 When transporting square drill rods, special racks should be used for short distances; long distances should be installed in casings and fastened at both ends. 3.5 Storage of drilling tools
3.5.1 The drilling tools of the pipe station or the corresponding unit shall be stored on pipe racks at least 0.5m above the ground according to the specifications. The span between pipe racks is 3~～411. It should be ensured that each drilling tool has at least three support points. Anti-slip measures must be taken when stacking drilling tools, and the maximum number of stacking layers shall not exceed 6 layers (cross stacking is not subject to this limit). The foundation of the pipe rack should be firm and flat, and the upper and lower parts of the whole rod should be aligned: 3.5.2 The drilling tools should be placed on the movable pipe rack, and each drilling tool should have at least two supporting points, and the two ends of the drilling tools should not exceed 1.5ml. During the process of well transfer, recovery, loading and unloading and transportation, the drilling tools should be equipped with thread guards: they should not be dragged and magnetically hit on the ground. 3.5.3 When storing, the rubber hoop of the drill pipe must be removed. 3.5.4 The drilling tools should be regularly treated for rust and corrosion prevention. If there is rust, try to remove it. 3.5.5 The drilling tools at the well site should be classified and discharged, and arranged neatly according to the internal thread joints and facing the drilling platform. 3.5.6 Heavy objects and acidic and alkaline chemicals should not be placed on the drilling tools, and electric and gas welding operations should not be carried out on them. 4 Drilling tool inspection
4.1 Recovery inspection
4.1.1 After the drilling tool is recovered, the specifications, team type, steel grade and number of the drilling tool should be checked, and the appearance and thread of the drilling tool body should be visually inspected. 4.1.2 The drilling tools to be repaired should be classified and discharged according to the repair content. 4.1.3 The inspection contents of the pipe are:
a. Hard damage, squeezing and puncture leakage;
b. Bending;
c. Water holes;
d. Flaw detection.
4.1.4 The joint inspection includes
a. External diameter, length, weaving and grinding;
b. Load-bearing shoulder:
c. Sealing shoulder;
Thread expansion, elongation, damage,
4.1.5 The drill pipes welded by the pipe station or the corresponding units shall be subjected to non-destructive testing before use. 4.1.6 The inspection result code is shown in Table 6.
All qualified
The pipe body has hard defects or extrusion
Replace the joint
Repair the thread
Qualified in flaw detection
Imitation in flaw detectionbZxz.net
Spray welding of joint
Water hole is blocked
External thread is elongated
Internal thread is expanded
Repair the load-bearing shoulder
Grind the shoulder
4.2 Acceptance of finished products
4.2.1 Review the completion of the maintenance project.
SY/ T 5369-94
Table 6 Drilling tool inspection results Code
Code plotting location
80mm from the internal thread end
Hard damage or squeeze pain
Middle of the pipe body
On the pipe body. The arrow points to the joint that needs to be replaced. The rib head points to the cut. After turning, the vertical line must be retained. On the end face of the internal thread joint or the shoulder face of the external thread joint. On the pipe body
On the pipe body, the arrow points to the defect sound you
Need to spray weld the middle of the joint
the middle of the pipe body
determine the position
20mm from the shoulder of the external threaded joint
20mm from the end face of the internal thread
50mm from the load-bearing shoulder on the pipe body
20mm from the end face of the internal threaded joint or the shoulder of the external threaded joint 4.2.2 The water holes of the finished drilling tools must be unobstructed, and special attention should be paid to removing chips. 4.2.3 The threaded part of the finished drilling tools should be coated with thread compound. 4.2.4 The threads of the newly machined drilling tools should be treated with copper plating and other surface treatments. Exploration Notes
means inspector code
"" letter is flaw detector code
Roman numerals indicate internal defect levels
4.2.5 The threads of drill tools repaired by pipe stations or corresponding units must be inspected by qualified thread gauges: drill tools with unqualified threads shall not be sent.
4.2.6 Drill pipe joints must have wear-resistant belts 4.2.7 The threads of in-use drill spots and mating joints must be regularly tested by fluorescent magnetic particle detection or thread crack detection instrument, and those that fail to meet the standards shall not be allowed to leave the station. The threaded part should be carefully cleaned before detection. 4.2.8 Units with conditions should cold roll the bottom of the thread teeth of the drill chain repaired on new vehicles. 5 Technical requirements for the use of drilling tools
5.1 Drill pipe
5.1.1 The allowable straightness of the drill pipe shall be in accordance with SY/T 7, SY/T 5369-94
5.1.2 The classification of drill pipe joints shall be in accordance with Table 1 in SY/T 5824. 5.1.3 The joint thread shall comply with the following provisions: a. If the shoulder surface is uneven due to adhesion or collision, it shall be ground with special tools. The grinding method and grinding amount shall be in accordance with SY/T5953. After repair, it shall be hammered with the axis of the pipe body;
b. Normal wear of thread: The wear amount shall not exceed the value listed in Table 8 after inspection by comb gauge. The remaining crest width is half of the standard crest width. The value shall be rounded to two decimal places; c. Threads that are severely rusted or have drill and liquid erosion marks cannot be used: d. After the internal thread boring is radially deformed due to impact and other reasons, it can still be used as long as the smallest diameter of the large end of the pin hole is not less than its minimum limit value and does not affect the screwing and sealing;
e. Due to handling accidents and complex situations: After the drill pipe has been forced to twist and pull, the elongation of the external thread and the expansion of the internal thread should be checked. When the pitch extension of the external thread exceeds 0.75n11m within 50.8mm, or the diameter of the internal thread boring exceeds the maximum limit size of 0.79mm, it must be re-threaded. The stretched external thread must be non-destructively tested and checked for cracks. 5.1.4 The length of the joint body shall not be less than the value specified in Table 9. 5.1.5 The classification of the drill pipe body shall be in accordance with Table 2 of SY/T5824. 5.1.6 Welding repair is not allowed for the drill pipe body.
5.2 Drill chain
5.2.1 The allowable straightness of the drill chain shall be in accordance with Table 10. 5.2.2 The width of the drill chain thread shoulder shall not be less than the dimensions listed in Table 11. 5.2.3 The scratches on the drill chain body shall not exceed the dimensions listed in Table 11. 5.2.4 After the drill chain thread is worn, it shall be checked with a comb gauge, and the wear amount shall not exceed the values listed in Table 8. Table? Allowable straightness of drill pipe
Joint screw
Thread type
Thread profile
Allowable straightness of full length
Allowable straightness within 3m at both ends
Allowable normal grinding of drill tool joint thread
Thread chain
Standard crest width
Straightness per meter
Remaining crest flow
Number of sharpened teeth
Joint screw
Line type
Thread profile
Nominal outer diameter of drill pipe
Internal thread joint
External thread joint
Drilling error length
Thread taper
SY/T 5369-94
Continued Table 8
Standard crest width
Table Minimum length of joint
Table 10 Allowable straightness of drill chain
Allowable straightness of full length
Remaining crest width
Allowable straightness within 2m
Number of ground teeth
Straightness per meter
5.2.5 If the surface of the shoulder of the drill chain thread is uneven due to adhesion or impact, it should be kept intact near the inner edge. The minimum width of the intact part should reach 50% of the value in Table 11. All protruding parts must be ground flat. 5369-94
08 ×8
99 ×L
99 ×2
29 x59
95 ×5'9
8# ×9
SY/ T 5369-94
5.2.6 When the outer diameter of the drill chain is evenly worn to the outer diameter of the smaller drill chain and its inner diameter is the same as the inner diameter of the smaller drill chain, the thread should be changed to a smaller-size thread and the drill chain should be used as a smaller-size drill boat. The drill chain is only allowed to reduce its size once. The specifications of the drill chain that can be reduced in size are shown in Table 11 with "*".
5.2.7 The limited dimensions when the outer diameter of the drill chain is worn eccentrically are shown in Table 11. 5.2.8 The bending strength ratio of the drill chain should generally be (2.25~2.75):1, and the maximum allowable range is (2.0~3.2):1: The calculation method is shown in Appendix B (reference).
5.3 Kelly
5.3.1 The allowable straightness of the Kelly shall be in accordance with Table 12. Table 12 Kelly allowable straightness
5.3.2 After twisting, the Kelly shall be checked with the Kelly sleeve gauge (see Table 13). If the sleeve gauge can pass freely, it can continue to be used. Table 13 Kelly sleeve gauge size
Nominal size of Kelly
Gauge length
5.3.3 The use standard of Kelly thread and shoulder is the same as that of drill chain. 5.3.4 The surface of the square drill pipe shall meet the following requirements: Distance from opposite sides
136,53
a. There shall be no cracks, scars, delamination, or dents on the surface. Welding defects or welding scales on the surface are not allowed. b. The square part and the fillet shall be flat.
5.3.5 The gap between the square drill pipe and the square core shall meet the requirements of Table 14 Table 14 The gap between the square drill pipe and the square core
Type of square drill pipe
6 Procedures for drilling tools to be lowered
6.1 Drilling tools to be lowered
Nominal size of the square drill pipe
107.9~152.4
76.2~ [52,4
Inner corner radius
The gap between the square core
0.38-2.72
0.38 ~ 3.12
0.38~1.52
6.1.1 After the drill arrives at the well site, the specifications, quantity and steel grade shall be checked. Those that do not meet the drilling design requirements shall not be lowered into the well. 8
SY/ T 536994
61.2 The threads of the drilling tools shall be cleaned and the upper and lower drilling platforms shall be properly threaded. Before drilling, the diameter of the drill hole should be checked, measured and recorded. 6.1.3 The newly added thread should be jointed before use if it has not been treated with phosphating or copper bonding. 1.4 The length and inner and outer diameters of the drill and drilling tools must be clearly displayed and recorded. The water service diameter of the matching joint connected to the drill chain cannot be less than the water hole diameter of the drill. 6.1.5 The drill joint must comply with the provisions of Article 4.2 of SY?T5824, otherwise it shall not be lowered into the well. 6.1.6 The rod shall not be lowered if the rod is not connected to the water hole as specified in Article 5.1.1. 6.1.8 The drill and bracket thread wear exceeds the provisions of Table 8 and shall not be lowered into the well. 6.1.9 The drill support: During the use of the drill support, it must be regularly replaced and pulled out of the well. .1.10 The drill pipe must be tightened with double pliers and tightened as shown in Table 15. The large pliers must not bite the drill pipe body: 6.1.11 Before the drill tool is lowered into the well, its thread and shoulder must be coated with thread compound, and the thread position of the drill tool must comply with the provisions of SY5198. .1.12 Iron rods and other hard objects must not be inserted into the inner coated drill pipe water limit 6.1.13 During the drilling and lifting operation, downhole tools and instruments passing through the inner coated drill pipe water hole must be equipped with protective devices to prevent damage to the inner coating 6.1.14 Before using the coated drill pipe, observe the coating condition. No cracking or shearing is allowed. 6.1.15 Tighten and tighten the drill pipe according to Table 11. 6.2 Lifting the drill tool
6.2.1 When lifting, check the bending of the drill tool, and check whether the inner and outer threads and the pipe body of the drill are damaged, and the end of the drill must be judged. 6.2.2 The well depth for using the fixed shoe should be determined according to 7% of the rated load of the shoe. The clamping position of the shoe should be 0.3~0.5m below the internal threaded joint of the drill pipe.
6.2.3 When unbuckling the drill bit, be careful to prevent bending of the tool and damage to the thread. 6.2.4 When the drill bit is unloaded from the rig, it must be unloaded into a single retreat, and the salvage tools, joints, drill bits, short joints and other tools must be removed. 6.2.5 After drilling each deep well or encountering a large number of drill jams, the drill pipe body must be fully inspected and tested. 9
SY/ T 536994
of the drill
EXGS
External and external thickening
A.1 Drilling tool manufacturer code see Table A1
Drilling tool manufacturer
American Steel Corporation
Mannesmann Company of West Germany
Japan Renyou Metal Industry Company
R. Japan Steel Pipe Company
Japan New Nippon Steel Corporation
Hughes Corporation of the United States
Kawasaki Steel Company of Japan
SMF Company of France
Datong Company of Japan
Zhongyuan Special Steel"
Shanxi Machine Tool Factory
Fenglei Hang Machinery Factory
SY/ T 536994
Gradually recorded A
Drilling tool manufacturer code
(reference)
Drilling tool manufacturer code
SUM or SM
NKK or NK
NIP or NT
KAW or KO
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