CN2890319Y - Sucker rod power tong for use in oilfield well workover - Google Patents
Sucker rod power tong for use in oilfield well workover Download PDFInfo
- Publication number
- CN2890319Y CN2890319Y CN 200520144079 CN200520144079U CN2890319Y CN 2890319 Y CN2890319 Y CN 2890319Y CN 200520144079 CN200520144079 CN 200520144079 CN 200520144079 U CN200520144079 U CN 200520144079U CN 2890319 Y CN2890319 Y CN 2890319Y
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- sucker rod
- tong
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Abstract
The utility model relates to a sucker rod power tong for using in oilfield well workover which comprises a main hydraulic tong and a mechanical back tong connected by a floating support tube, a sucker rod is centering guide fixed and connected by a bolt and the main hydraulic tong, torque-pressure gauge is connected by a manual reversing valve on the main hydraulic tong and a screw thread. The utility model can accurately centralize the sucker rod to avoid chaos phenomenon in the screw on and jump out process of the sucker rod. The utility model is also of small size, light weight, thus, the utility model can clamp the quadrate part of sucker rod with different sizes without changing cone block and has the advantages of convenient regulation, simple structure, low processing cost, relatively low requirements on processing accuracy, low failure rate, reliable clamping and etc.
Description
Technical field
The utility model relates to a kind of oil field well workover sucker rod Power Tong.
Background technology
At present, already used sucker rod Power Tong mainly contains the sucker rod Power Tong that Jiangsu Yan Chengte reaches petroleum machinery Co., Ltd and the production of Shandong Province Laizhou Wan petroleum machinery Co., Ltd in oil well repairing operation, and its structure of the product of these two manufacturer production mainly is made up of parts such as hydraulic pressure master pincers and hydraulic pressure back-up tongs.The length of sucker rod is about about 10 meters, and its diameter has only the 16-25 millimeter.In the oil field well workover on, if not having oil pumping rod centering device sets upright sucker rod, the design feature of carefully growing because of sucker rod, hook and sucker rod are under the situation that is subjected to wind-force or other external force effect, cause owing to the sucker rod rigidity is not enough sucker rod up and down the joint screw thread align difficulty, last shackle shakiness, it is serious to swing, and easily causes because of disorderly detaining the major accident that causes sucker rod to scrap.Because hydraulic pressure back-up tong structure more complicated, height dimension is big in addition, when clamping thin sucker rod below 3/4 inch, interferes with rod elevator in real work, can not go up shackle and operate; And because adopted hydraulic motor or the oil cylinder very high to requirement on machining accuracy, in oil field well workover process, leakage of oil often occurs, skid, phenomenon such as oil cylinder or hydraulic motor are stuck not clamping of causing, because of relatively harsh to the machine required precision, cause this cost of goods manufactured height, fault rate height, clamp unreliable and impracticable.Because of not being equipped with moment of torsion-pressure meter and moment of torsion pressue-graph, in the practical operation of sucker rod Power Tong, can not carry out immediately monitoring and correct the analysis to the actual torque value of unloading the sucker rod screw thread on current, because it is different that the oil field requires the torque wrench moment value to the sucker rod of different size model, it also is different accordingly the system works force value during button on the Power Tong being required.If torque wrench moment is excessive, can causes the sucker rod screw thread to damage and scrap; If torque wrench moment is too small, can cause because of the torque wrench moment deficiency, cause that in oil pumping process sucker rod becomes flexible or disengagement causes the accident, the serious whole oil well that also can cause is scrapped.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defective, well workover sucker rod Power Tong in a kind of oil field is provided, can both be general at oil field all size model sucker rod, can accurately set upright the sucker rod position, make and avoid occurring disorderly button phenomenon on the sucker rod in the shackle process, can accurately require to carry out immediately monitoring and accurately demonstration to different size model sucker rod torque wrench moment value according to oil field system, and volume is little, in light weight, need not change block teeth and just can clamp different size sucker rod quadrate part, and easy to adjust, simple in structure, low cost of manufacture, loose relatively to requirement on machining accuracy, fault rate is low, reliable clamping.
For achieving the above object, the utility model adopts following technical scheme:
A kind of oil field well workover described in the utility model comprises hydraulic pressure master pincers and the mechanical back-up tong that links together by the support tube that floats with the sucker rod Power Tong, oil pumping rod centering device clamps with the hydraulic pressure master by bolt fixedlys connected, and moment of torsion-pressure meter is connected with hand-operated direction valve on the hydraulic pressure master pincers by screw thread.
Have the moment of torsion pressue-graph on the housing of above-mentioned hydraulic pressure master pincers.
Be symmetrically installed with two slippage block teeth on the housing of above-mentioned mechanical back-up tong, the slippage block teeth are connected with the adjusting screw mandrel and can are slided in slippage block teeth front and back by regulating screw mandrel.
Be equipped with in the vertical rod of oil pumping rod centering device can the automatic locking sucker rod the centralizer piece, be equipped with on the oil pumping rod centering device piece and the supporting centralizer block of different size model sucker rod, the lower end of oil pumping rod centering device is installed in the slotted hole of Connection Block, and this Connection Block is fixedly connected on the housing of hydraulic pressure master pincers.
Advantage of the present utility model is: this form of structure has can both be general with all size model sucker rod to the oil field, can accurately set upright the sucker rod position, make and avoid occurring disorderly button phenomenon on the sucker rod in the shackle process, can accurately require to carry out immediately monitoring and accurately demonstration to different size model sucker rod torque wrench moment value according to the oil field, and volume is little, in light weight, need not change block teeth just can clamp different size sucker rod quadrate part, and easy to adjust, simple in structure, low cost of manufacture, to advantages such as requirement on machining accuracy is loose relatively, fault rate is low, reliable clamping.
Description of drawings
Accompanying drawing is the structural representation of an embodiment of the present utility model.
The specific embodiment
As shown in drawings, sucker rod Power Tong of the present utility model by the hydraulic pressure master clamp 1, mechanical back-up tong 2, oil pumping rod centering device 3, moment of torsion-pressure meter 4, moment of torsion pressure curve Fig. 5 etc. partly form.The hydraulic pressure master clamps 1 and is connected with mechanical back-up tong 2 by the support tube 9 that floats, and oil pumping rod centering device 3 clamps 1 by bolt with the hydraulic pressure master and is connected.In the present embodiment, be connected a connecting seat 81 between hanging tube 8 lower end and the hydraulic pressure master clamps 1, have slotted hole on the Connection Block 81, oil pumping rod centering device 3 usefulness bolts are installed in this slotted hole.Certainly, also can adopt other modes that oil pumping rod centering device 3 is clamped 1 by bolt with the hydraulic pressure master is connected.Moment of torsion-pressure meter 4 is connected with the hand-operated direction valve that the hydraulic pressure master clamps on 1 by screw thread, and moment of torsion pressure curve Fig. 5 clamps on 1 housing by connecting or being fixed on the hydraulic pressure master.
In the course of the work, when the sucker rod master clamps 1 sucker rod that drives the upper end by hydraulic motor when rotating, the sucker rod of upper end is set upright by the oil pumping rod centering device 3 that is positioned on the same vertical axis in main back-up tong jaw clamping position, the lower sucker rod screw thread can be aligned like clockwork, the sucker rod quadrate part of lower end is clamped by the slippage block teeth of mechanical back-up tong 2, the sucker rod of lower end can not be rotated with the sucker rod of upper end, thereby two sucker rods are produced relative rotation, realize tightening or dismantling of two sucker rod end screw threads, width in the middle of the two slippage block teeth is with sucker rod quadrate part size when incompatible, by the adjusting screw mandrel to adapt to the needs of different size sucker rod quadrate part.The tightening or unload in the open procedure of screw thread, the moment of torsion that can directly monitor and show current screw thread work by the system works force value that shows on moment of torsion-pressure meter 4 and torque value; Also can be according to the system works force value of pressure meter demonstration, contrast moment of torsion pressure curve Fig. 5 finds the torque value of current screw thread work.Before on sucker rod, detaining, can be according to the requirement of oil field system to different size model sucker rod torque wrench moment value, reference torque-pressure meter 4 and moment of torsion pressure curve Fig. 5 adjust to appropriate value to system works pressure, make sucker rod torque wrench moment value meet the requirement of oil field system to different size model sucker rod torque wrench moment value.
Claims (3)
1, a kind of oil field well workover sucker rod Power Tong, comprise the hydraulic pressure master pincers (1) and the mechanical back-up tong (2) that link together by the support tube that floats, it is characterized in that: oil pumping rod centering device (3) is fixedlyed connected with hydraulic pressure master pincers (1) by bolt, and moment of torsion-pressure meter (4) is connected with the hand-operated direction valve that the hydraulic pressure master clamps on (1) by screw thread.
2, sucker rod Power Tong according to claim 1 is characterized in that: be symmetrically installed with two slippage block teeth on the housing of mechanical back-up tong (2), the slippage block teeth are connected with the adjusting screw mandrel and can are slided in slippage block teeth front and back by regulating screw mandrel.
3, sucker rod Power Tong according to claim 1 and 2, it is characterized in that: be equipped with in the vertical rod of oil pumping rod centering device (3) can the automatic locking sucker rod the centralizer piece, be equipped with on the oil pumping rod centering device piece and the supporting centralizer block of different size model sucker rod, the lower end of oil pumping rod centering device (3) is installed in the slotted hole of Connection Block, and this Connection Block is fixedly connected on the housing of hydraulic pressure master pincers (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144079 CN2890319Y (en) | 2005-12-15 | 2005-12-15 | Sucker rod power tong for use in oilfield well workover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144079 CN2890319Y (en) | 2005-12-15 | 2005-12-15 | Sucker rod power tong for use in oilfield well workover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2890319Y true CN2890319Y (en) | 2007-04-18 |
Family
ID=38020977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520144079 Expired - Fee Related CN2890319Y (en) | 2005-12-15 | 2005-12-15 | Sucker rod power tong for use in oilfield well workover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2890319Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469604B (en) * | 2008-08-14 | 2011-08-10 | 李金祥 | Adjustable centering side hanging back-ups |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN112253019A (en) * | 2020-11-16 | 2021-01-22 | 吉林大学 | Automatic releasing mechanism of self-balancing continuous screwing-off drill rod screw thread device |
-
2005
- 2005-12-15 CN CN 200520144079 patent/CN2890319Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469604B (en) * | 2008-08-14 | 2011-08-10 | 李金祥 | Adjustable centering side hanging back-ups |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN106761492B (en) * | 2017-02-10 | 2018-08-14 | 吴立中 | A method of optimizing oil pipe operation using torque wrench moment and break-out torque |
| CN112253019A (en) * | 2020-11-16 | 2021-01-22 | 吉林大学 | Automatic releasing mechanism of self-balancing continuous screwing-off drill rod screw thread device |
| CN112253019B (en) * | 2020-11-16 | 2022-07-01 | 吉林大学 | Automatic releasing mechanism of self-balancing continuous screwing-off drill rod screw thread device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |