CN2151246Y - Hydraulic and pneumatic tong low-speed upper-buckling torque control device - Google Patents
Hydraulic and pneumatic tong low-speed upper-buckling torque control device Download PDFInfo
- Publication number
- CN2151246Y CN2151246Y CN 93238639 CN93238639U CN2151246Y CN 2151246 Y CN2151246 Y CN 2151246Y CN 93238639 CN93238639 CN 93238639 CN 93238639 U CN93238639 U CN 93238639U CN 2151246 Y CN2151246 Y CN 2151246Y
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- CN
- China
- Prior art keywords
- valve
- tong
- pressure
- gas
- drilling tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000005553 drilling Methods 0.000 claims abstract description 40
- 239000003921 oil Substances 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 238000005086 pumping Methods 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an among the oil and natural drilling process, provide one kind and be used for liquid gas tong low gear to carry out when the drilling tool is buckled the operation, the device of knot moment of torsion is gone up in the control. The device comprises a button valve, a pneumatic control liquid reversing valve, an overflow valve, a pressure gauge, a pressure regulating valve, a remote pressure regulating valve, a pressure-torque meter and the like. One end of the device is connected with an air source of the hydraulic-pneumatic tong, and the other end of the device is connected with an oil way which is conveyed to the tong by a hydraulic oil pump station. When the hydraulic and pneumatic tong is connected with the drilling tool by the low-gear upper buckle, the air source and the oil path of the device are connected, and the preset upper buckle torque value required by the positive drilling tool is adopted, so that the upper buckle torque of the tong can be effectively controlled, and the accident that the drilling tool is damaged by the upper buckle of the over-torque is prevented.
Description
The utility model relates in a kind of oil and gas well drilling process, is used for the control device of the liquid gas tong low speed torque wrench moment of drilling tool, shackle operation.
Present most popular liquid gas tong is a kind ofly to be used as power with hydraulic oil with compressed air control, as on the drilling tool, the Power Tong of shackle, be applicable on the drilling tool of drilling well 89mm, 114mm commonly used, different sizes such as 127mm, 178mm, the shackle operation.Be defined in 10MPa scope inner control torque wrench moment pressure when detaining on this liquid gas tong.Link on low grade when connecing drilling tool operating personnel, carry out operation with the low-grade pressure of observing tong upward pressure table, but, because the reversal valve of liquid gas tong is subjected to influence of various factors, not necessarily very flexible, and the sealing that is connected of drilling tool and drilling tool is by the shoulder sealing, on when detaining in shoulder one contact of two drilling tools, moment of torsion pressure can rise to the 10MPa pressure of tong maximum once.89mm, 114mm commonly used, the best torque wrench moment (all in 7.5MPa) of several drilling tools such as 127mm, 178mm have so often just been surpassed, cause button on the super moment of torsion and the accident of damage tool joint, thereby increase the repair amount of drilling tool, cause economic loss." the liquid gas tong torque wrench moment restraint device " of nineteen ninety development, the patent No. 90226811.2 is developed for addressing this problem just.But structure of this device design is complicated, installs also more messyly, and overflow valve designs after gas control liquid reversal valve, and the overflow effect is subjected to the restriction of gas control liquid reversal valve latus rectum resistance, pressure error occurs; By the automatically controlled part that electro connecting pressure gauge, auxiliary reclay, solenoid operated directional valve etc. are formed, unresolved explosion-proof technical problem, and this device is in the other operation of well head, requires very high to explosion-proof performance; And this device does not design the remote control part that the driller supervises, regulates.
The purpose of this utility model just provides a kind of improved liquid gas tong low speed torque wrench moment control device; it has not only overcome the deficiencies in the prior art; removed the automatically controlled part of original device; and when operating personnel do to detain operation on the drilling tool with low grade; according to desired torque wrench moments such as the different size of various drilling tools, different grade of steel, different button-type, different hydrophthalmia size, different chamfering diameters; safer and more effective adjusting control torque value; prevent the accident of button damage drilling tool on the super moment of torsion; to reach the protection tool joint, prolong the drilling tool purpose in application life.
The utility model is realized by this way: before using liquid gas tong low grade to carry out detaining operation on the drilling tool, the upper and lower binding clip of tong is clamped the above drilling tool of a 158.75mm(6 1/4 ") cooperate joint; carry out the adjusting of top grade, low grade respectively; the pressure meter of finder and pressure torque table; make the overflow valve pressure of this device be transferred to 16.6MPa, two pressure regulator valves are adjusted to the best torque wrench moment value of just using drilling tool.Then, carry out actual job, the air valve handle of liquid gas tong is moved to low grade, make the spool of the compressed air promotion rapid-release valve of source of the gas block exhaust opening, when compressed air enters tong low speed air bag,, compressed air is imported this device simultaneously by the control of knob valve.The gas control liquid reversal valve of compressed air access to plant promotes the cylinder piston motion, makes the valve commutation connect the control oil channel of overflow valve remote control mouth, makes hydraulic oil enter two pressure regulator valves (regulating torque wrench moment in advance) simultaneously.When the big clipper joint drilling tool of liquid gas, when intact button links closely with low speed again on the high speed, the torque wrench moment of drilling tool constantly rises, during the best torque wrench moment value that is raised to that two pressure regulator valves set up, pressure signal feeds back to overflow valve by control oil channel, overflow valve is opened laid down unnecessary pressure, overflow valve remains on the force value of setting up in advance.Detain thereby liquid gas tong can not produced on the super moment of torsion, control the torque wrench moment of drilling tool safely and effectively, to reach the protection tool joint and to prolong the drilling tool purpose in application life.
The utility model is reasonable in design, compact conformation, dependable performance, easy to operate, high safety, be easy to maintenance, and its practicality is verified in practice.As the source of the gas and the oil circuit of shearing device, do not influence the original service behaviour of liquid gas tong.
Describe the performance of the liquid gas tong low speed torque wrench moment control device that the utility model proposes in detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is a liquid gas tong low speed torque wrench moment control device schematic diagram.
As shown in the figure, liquid gas tong low speed torque wrench moment control device is made up of knob valve (1), gas control liquid reversal valve (2), pressure meter (3), overflow valve (4), pressure regulator valve (5), control oil channel (6), remote pressure regulating valve (7), pressure torque table (8) etc.On the tee junction that the rapid-release valve (10) that one end of knob valve (1) is connected liquid gas tong and low speed air bag (11) link, the other end is connected with the air inlet port of gas control liquid reversal valve (2) with pipeline.The oil-in of gas control liquid reversal valve (2) is connected with the remote control mouth of spill valve (4), and connection pressure meter (3), the working hole of gas control liquid reversal valve (2) connects pressure regulator valve (5), is connected with remote pressure regulating valve (7), pressure torque table (8) by control oil channel (6) simultaneously.The oil-in of overflow valve (4) is connected hydraulic oil pumping plant (12) and transports on the hydraulic circuit (13) of liquid gas tong.And the gas control liquid reversal valve (2) of this device, pressure meter (3), overflow valve (4), pressure regulator valve (5) all are assembled on the integrated valve block, make its structure very compact.
Use before the low grade of liquid gas tong carries out on the drilling tool button operation operating personnel, should carry out top grade and low-grade adjusting to this device earlier, its step is as follows:
One, the high-grade adjusting.The overflow valve of this device of standard-sized sheet (4), primer fluid pressure oil pump station (12) pulls up knob valve (1), and gas control liquid reversal valve (2) is not worked as yet.Close the overflow valve of liquid gas tong, the air valve handle of tong is moved to top grade, the reversal valve of tong is put by supreme button bit.Allow the upper and lower binding clip of liquid gas tong clamp the above drilling tool cooperation joint of a 158.75mm(6 1/4 "); slowly to close the overflow valve (4) of this device then; observe pressure meter (3), when pressure is raised to 16.6MPa, stops to close overflow valve (4) and tighten also cap.Slowly open the overflow valve on the tong again, observe tong upward pressure table, when pressure is reduced to 10MPa, tighten the also cap of tong overflow valve.Unclamp the reversal valve handle of tong, allow it get back to meta automatically, finish high-grade the adjusting.
Two, the low-grade adjusting.Standard-sized sheet pressure regulator valve (5) cuts out remote pressure regulating valve (7), and the air valve handle of liquid gas tong is moved to low grade, and the reversal valve of tong is put by supreme button bit.Press knob valve (1), the compressed air that makes source of the gas (9) is when rapid-release valve (10) enters low speed air bag (11), enter the cylinder of gas control liquid reversal valve (2), promote piston motion and make the valve commutation, the former working hole of gas control liquid reversal valve (2) is connected with oil return opening and becomes working hole and be connected with oil-in, thereby connect the remote control mouth and the pressure meter (3) of overflow valve (4), pressure regulator valve (5), remote pressure regulating valve (7), pressure torque table (8).Observe pressure torque table (8), slowly close pressure regulator valve (5), be transferred to when just using drilling tool torque wrench moment value 600Nm when moment of torsion, tighten pressure regulator valve (5) and cap.Then, slowly open remote pressure regulating valve (7) again, observe pressure torque table (8), when reading when just using drilling tool torque wrench moment value consistent, tighten the also cap of remote pressure regulating valve (7).So just, finished the adjusting of this device low speed torque wrench moment.Then, the operation tong unclamps, takes out that drilling tool and cooperates joint, can carry out detaining operation on the drilling tool.
Button is during operation on drilling tool is carried out, and the operation tong is clamped drilling tool, earlier with high-grade gone up detain after, link closely with low grade again.Press knob valve (1) and connect the source of the gas of this device; the cylinder moving that promotes gas control liquid reversal valve (2) makes the valve commutation; thereby connect the remote control mouth of overflow valve (4) by control oil channel (6); pressure regulator valve (5) and remote pressure regulating valve (7); the drilling tool torque wrench moment value of pressure torque table (8) demonstration at this moment constantly rises; when the best torque wrench moment value that is raised to that pressure regulator valve (5) and remote pressure regulating valve (7) set up in advance; pressure signal can feed back to overflow valve (4) rapidly by control oil channel (6); make overflow valve (4) open overflow; and remain in advance the force value of setting up; thereby controlling the not super moment of torsion of liquid gas tong effectively links closely; prevent to damage tool joint, the protection drilling tool.After linking closely on the drilling tool torque value on request, operating personnel move the high and low shift air valve handle of liquid gas tong to meta, the exhaust opening of rapid-release valve (10) is opened, and the gas control liquid reversal valve (2) of this device resets, and the working hole of valve disconnects with oil-in and is connected with oil return opening.Operating personnel handle the counter-rotating of liquid gas tong and go up pincers, and alignment notch is unclamped pincers down, withdraws from tong, promptly finishes once.The operation of last button.With detaining on a kind of drilling tool, only before actual job, the control and regulation of making a torque value get final product this device.
This device only is used for detaining operation on the low grade of liquid gas tong, if still use the high-grade button of going up, this device is inoperative., mention knob valve (1) and cut off gas circuit during with low-grade shackle at tong, device can not worked.When this device breaks down the needs maintenance, to mention knob valve (1) and cut off gas circuit, closing outflow valve (4) cuts off oil circuit, can carry out.
The fuel tank of (14) expression hydraulic oil pumping plants (12) among the figure in addition, also need be described.
Claims (2)
1, a kind of by source of the gas (9), rapid-release valve (10), low speed air bag (11) and hydraulic oil pumping plant compositions such as (12) be used for drilling tool, the liquid gas tong of shackle operation, it is characterized in that liquid gas tong low speed torque wrench moment control device is by knob valve (1), gas control liquid reversal valve (2), pressure meter (3), overflow valve (4), pressure regulator valve (5), remote pressure regulating valve (7), pressure torque table (8) and control oil channel (6) are formed, on the tee junction that the rapid-release valve (10) that knob valve (1) is connected liquid gas tong and low speed air bag (11) link, the other end is connected with the air inlet port of gas control liquid reversal valve (2) with pipeline, the oil-in of gas control liquid reversal valve (2) is connected with the remote control mouth of overflow valve (4), and connection pressure meter (3), the working hole of gas control liquid reversal valve (2) connects pressure regulator valve (5), simultaneously by control oil channel (6) and remote pressure regulating valve (7), pressure torque table (8) connects, and the oil-in of overflow valve (4) is connected hydraulic oil pumping plant (12) and transports on the oil circuit (13) of liquid gas tong.
2, liquid gas tong low speed torque wrench moment control device according to claim 1 is characterized in that gas control liquid reversal valve (2), pressure meter (3), overflow valve (4), pressure regulator valve (5) all are assembled on the integrated valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238639 CN2151246Y (en) | 1993-04-28 | 1993-04-28 | Hydraulic and pneumatic tong low-speed upper-buckling torque control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238639 CN2151246Y (en) | 1993-04-28 | 1993-04-28 | Hydraulic and pneumatic tong low-speed upper-buckling torque control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151246Y true CN2151246Y (en) | 1993-12-29 |
Family
ID=33813325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93238639 Expired - Fee Related CN2151246Y (en) | 1993-04-28 | 1993-04-28 | Hydraulic and pneumatic tong low-speed upper-buckling torque control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151246Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705547A (en) * | 2012-06-01 | 2012-10-03 | 刘承建 | Electronic pressure regulating device for monitoring torque of hydraulic tongs |
| CN104791309A (en) * | 2015-03-17 | 2015-07-22 | 江苏中石机械有限公司 | Screw-on high-gear torque and low-gear torque control method of power tongs |
-
1993
- 1993-04-28 CN CN 93238639 patent/CN2151246Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705547A (en) * | 2012-06-01 | 2012-10-03 | 刘承建 | Electronic pressure regulating device for monitoring torque of hydraulic tongs |
| CN104791309A (en) * | 2015-03-17 | 2015-07-22 | 江苏中石机械有限公司 | Screw-on high-gear torque and low-gear torque control method of power tongs |
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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 |