CN201087716Y - Top-fixed slip expansion joint type operation device under pressure - Google Patents
Top-fixed slip expansion joint type operation device under pressure Download PDFInfo
- Publication number
- CN201087716Y CN201087716Y CNU2007201703762U CN200720170376U CN201087716Y CN 201087716 Y CN201087716 Y CN 201087716Y CN U2007201703762 U CNU2007201703762 U CN U2007201703762U CN 200720170376 U CN200720170376 U CN 200720170376U CN 201087716 Y CN201087716 Y CN 201087716Y
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- fixed
- preventer
- expansion coupling
- slips
- stationary slip
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Abstract
The utility model relates to a kava telescopic segment type operation device provided with pressure and a fixed top, which is applied to the petroleum well repairing operation construction with pressure. The utility model is characterized in that the upper part of the cross joint of the well mouth is orderly fixed with a three-flashboard blowout preventer, a lower omnipotence blowout preventer, a cross joint, a telescopic segment and an upper omnipotence blowout preventer. The top part of an upper circular blowout preventer is connected on a beam, and the upper part of the beam is connected with a set of travelling kavas. The beam is connected with the cylinder rod of an elevating liquid cylinder. A set of fixed kavas are fixed on an upper flat roof, and the upper flat roof is fixed at the top of an upright post. The lower end of the upright post is fixed on a lower flat roof, and the lower flat roof is fixed between the three-flashboard blowout preventer and the lower omnipotence blowout preventer. A middle flat roof is fixed on the upright post. The effect is that the fixed kavas are broken away from the blowout preventer set and are fixed at the upper part of the upper flat roof; and the upper flat roof is fixed with the travelling kavas. The defect that the fixed kavas in the telescopic segment type operation device with pressure must adopt sealing mode. The utility model has the advantages that the operation of exchanging kava teeth, and the security and working efficiency of the well repairing operation are improved.
Description
Technical field
The utility model relates to a kind of petroleum machinery equipment, the production rig that has preventer that particularly a kind of workover treatment is used.
Background technology
In the oil well repairing operation construction,, often adopt kill-job or open flow method control strata pressure for well workover safety.The problem that exists is, may cause formation contaminant with the well killing fluid kill-job, influences oil well output; The open flow method then consumes stratum energy, influences oil recovery rate.Best bet is that band is pressed workover treatment.Because preventer is applied on workover rig, band presses the imagination of workover treatment to be achieved for a long time.
As the Chinese patent notice of authorization number is CN2551765Y, is exactly a kind of water injection well Operating Pressure device that my company provides.Mainly constitute by the preventer that is installed between the lower and upper cross-member, movable slips is installed on the crossbeam, and expansion coupling, stationary slip, blowout preventer set link together according to this, are installed on the well head four-way, adjusting rod is installed on cylinder barrel, and linking between cylinder barrel has bracing piece.The omnipotent preventer that adopts is made up of two omnipotent preventers up and down, and glue core, capsule are housed in the housing.
At present, band presses the stationary slip of workover treatment device on blowout preventer set, and stationary slip must be taked seal form in expansion coupling formula Operating Pressure device, causes and changes very difficulty of slip insert.
The utility model content
The purpose of this utility model is: a kind of top stationary slip expansion coupling formula Operating Pressure device is provided, stationary slip breaks away from blowout preventer set, be fixed on the upper mounting plate, its top when traveling slip reaches top dead-centre with the lifting fluid cylinder, overcome stationary slip and in expansion coupling formula Operating Pressure device, must take seal form, realize changing the easy of slip insert operation, improve the safety and the operating efficiency of workover treatment.
The technical solution adopted in the utility model is: top stationary slip expansion coupling formula Operating Pressure device comprises: column, stationary slip, traveling slip, omnipotent preventer, expansion coupling, four-way, triple ram preventer, platform, lifting fluid cylinder, self-adjustable jack, high pressure connecting line.It is characterized in that: the top of well head four-way be connected with in turn triple ram preventer, down omnipotent preventer, four-way, expansion coupling and on omnipotent preventer.The top of the omnipotent spray apparatus of last ring is connected on the crossbeam, and the top of crossbeam is connected with traveling slip.Crossbeam is connected with the piston rod part of lifting fluid cylinder.On upper mounting plate, be fixed with stationary slip.Upper mounting plate is fixed on the top of column.The lower end of column is fixed on the lower platform.Crossbeam moves up and down with the piston rod of lifting fluid cylinder, drives traveling slip and last omnipotent preventer, and realizes stretching out and withdrawing of expansion coupling.
On upper mounting plate, be connected with stationary slip.Upper mounting plate is connected the top of column.The lower end of column is connected on the lower platform.The center fixed of column has middle platform.The centre of middle platform is porose, and omnipotent preventer and expansion coupling are passed through.
Be connected with high pressure connecting line and equalizing valve between the four-way on the well head four-way of triple ram preventer bottom and following omnipotent preventer top.When omnipotent instantly preventer or triple ram preventer are closed, four-way and well head four-way are connected by high pressure connecting line and equalizing valve.An open flow valve also is installed on four-way.The open flow valve can make the liquid emptying in the four-way.
Described stationary slip comprises: fixedly load-bearing slips and fixedly anti-jack slips; Described traveling slip comprises: the anti-jack slips and the load-bearing slips that moves about move about.Under the stressed different situation of oil pipe tubing string, adopt different slips forms.When tubing string buoyancy is conducted oneself with dignity less than tubing string, adopt the load-bearing slip system to play lower tubular column.When tubing string buoyancy is conducted oneself with dignity greater than tubing string, adopt the anti-jack slips system to play lower tubular column.
For top stationary slip expansion coupling formula Operating Pressure device installs and fixes easyly, be convenient to the adjustment level, the self-adjustable jack is housed in the bottom of lower platform supports.The quantity of self-adjustable jack is 4.
The quantity of lifting fluid cylinder is 4.Can work simultaneously according to 2 of size selections or 4 fluid cylinders that well is pressed.The liquid cylinder piston stroke is less than the stroke of expansion coupling.
On the platform of upper, middle and lower, be separately installed with guardrail, protection construction operation personnel's personal safety.
Top stationary slip expansion coupling formula Operating Pressure Unit Installation method is: the top that device is vertically mounted on the well head four-way.The Operating Pressure device can remove job executions such as oil pipe tubing string, drilling out, window sidetracking under the down-hole oil sets annular space has the situation of pressure.Consult Fig. 1,2.
Summary removes the operating process of oil pipe:
A. play the flowline process
1, lifting fluid cylinder 18 piston rods are in bottom dead centre, close the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, the anti-jack slips 6 that moves about is held oil pipe tightly with the load-bearing slips 7 that moves about, open fixedly load-bearing slips 4 and fixedly anti-jack slips 5, going up omnipotent preventer 8 closes, omnipotent preventer 13 is opened down, and open flow valve 11 cuts out, and equalizing valve 10 is opened.
2, lifting fluid cylinder 18 piston rods are up, go up omnipotent preventer 8 and move upward with the move about anti-jack slips 6 and the load-bearing slips 7 that moves about thereupon, and expansion coupling 9 stretches out, and highly pressurised liquid is filled by equalizing valve 10, realizes carrying on the oil pipe tubing string.
3, after the summit is gone up in the arrival of lifting fluid cylinder 18 piston rods, close equalizing valve 10, close fixedly load-bearing slips 4 and fixedly anti-jack slips 5, hold oil pipe tightly, open the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, close down omnipotent preventer 13, open open flow valve 11 open flows, open omnipotent preventer 8 behind the open flow.
4, lifting fluid cylinder 18 piston rods are descending, and go up omnipotent preventer 8 move downward thereupon with the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, expansion coupling 9 withdrawals, residual liquid is discharged by open flow valve 11.
5, lifting fluid cylinder 18 piston rods arrive after bottom dead center, close the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, and hold oil pipe tightly, close open flow valve 11, close omnipotent preventer 8, open equalizing valve 10 topping up balances.Open down omnipotent preventer 13 after the balance, open fixedly load-bearing slips 4 and fixedly anti-jack slips 5, repeat above step.
B. be lowered to the oil pipe process
1, lifting fluid cylinder 18 piston rods are in the summit, and the move about anti-jack slips 6 and the load-bearing slips 7 that moves about are closed, and hold oil pipe tightly, fixedly load-bearing slips 4 and fixedly anti-jack slips 5 open, go up omnipotent preventer 8 and close, following omnipotent preventer 13 is opened, open flow valve 11 cuts out, and equalizing valve 10 is opened.
2, lifting fluid cylinder 18 piston rods are descending, go up omnipotent preventer 8 and move downward with the move about anti-jack slips 6 and the load-bearing slips 7 that moves about thereupon, and expansion coupling 9 withdrawals realize oil pipe tubing string G.I.H.
3, arrive after bottom dead center when lifting fluid cylinder 18 piston rods, close equalizing valve 10, close fixedly load-bearing slips 4 and fixedly anti-jack slips 5, hold oil pipe tightly, open the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, close down omnipotent preventer 13, open open flow valve 11 open flows, open omnipotent preventer 8 behind the open flow.
4, lifting fluid cylinder 18 piston rods are up, go up omnipotent preventer 8 and move upward with the move about anti-jack slips 6 and the load-bearing slips 7 that moves about thereupon, and expansion coupling 9 stretches out.
5, after lifting fluid cylinder 18 piston rods arrive and go up the summit, close open flow valve 10, close omnipotent preventer 8, open equalizing valve 10 topping up balances.Open omnipotent preventer 8 after the balance, close the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, hold oil pipe tightly, open fixedly load-bearing slips 4 and fixedly anti-jack slips 5, repeat above step.
The beneficial effects of the utility model: the utility model top stationary slip expansion coupling formula Operating Pressure device can be when construction operation.The Operating Pressure device can remove job executions such as oil pipe tubing string, drilling out, window sidetracking under the down-hole oil sets annular space has the situation of pressure.Stationary slip has broken away from blowout preventer set, be fixed on upper mounting plate top, the top of upper mounting plate height when traveling slip reaches the summit with the lifting fluid cylinder, overcome stationary slip and in expansion coupling formula Operating Pressure device, must take the deficiency of seal form, it is easy and simple to handle to have realized changing slip insert, improves the safety and the operating efficiency of workover treatment.
Description of drawings
Fig. 1 is the structural representation of top stationary slip expansion coupling formula Operating Pressure device.
Fig. 2 is the left view of Fig. 1.
Among the figure: 1. guardrail, 2. upper mounting plate, 3. column, 4. fixing load-bearing slips, 5. fixing anti-jack slips, the anti-jack slips that 6. moves about, the load-bearing slips that 7. moves about is 8. gone up omnipotent preventer, 9. expansion coupling, 10. equalizing valve, 11. open flow valves, 12. four-ways, 13. following omnipotent preventer, 14. triple ram preventers, 15. well head four-ways, 16. crossbeam, platform in 17., 18. lifting fluid cylinders, 19. lower platform, 20. self-adjustable jack, 21. high pressure connecting lines.
The specific embodiment
Embodiment 1: consult Fig. 1 and Fig. 2.The utility model top stationary slip expansion coupling formula Operating Pressure device has 4 root posts 3, and the diameter of column 3 is that 186 millimeters steel pipe is made, 7 meters of height.Stationary slip is divided into fixedly load-bearing slips 4 and fixedly anti-jack slips 5, is fixed on the center of upper mounting plate 2 simultaneously.Traveling slip is divided into the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, and is fixed on crossbeam 16 tops simultaneously.The top of well head four-way 15 flange successively be fixed with triple ram preventer 14, down omnipotent preventer 13, four-way 12, expansion coupling 9 and on omnipotent preventer 8.Be connected with crossbeam 16 at the top of last omnipotent preventer 8, crossbeam 16 tops are connected with the move about anti-jack slips 6 and the load-bearing slips 7 that moves about.Being fixed on the column 3 of middle platform 17.The centre of middle platform 17 is porose.Crossbeam 16 is connected with the piston rod part of lifting fluid cylinder 18.Crossbeam 16 moves up and down with piston rod, drives the move about anti-jack slips 6 and the load-bearing slips 7 that moves about, goes up omnipotent preventer 8, and realize stretching out and withdrawing of expansion coupling 9.Well head four-way 15 triple ram preventers 14, time omnipotent preventer 13, four-way 12, expansion coupling 9 and last omnipotent preventer 8, there is sale in market.
On upper mounting plate 2, be connected with fixedly load-bearing slips 4 and fixedly anti-jack slips 5.Upper mounting plate 2 is fixed on the top of 4 root posts 3.The lower end of column 3 is connected on the lower platform 19.There is self-adjustable jack 20 to support in the bottom of lower platform 19.The quantity of self-adjustable jack 20 is 4.On upper mounting plate 2, middle platform 17 and lower platform 19, be welded with guardrail 1.
Be connected with high pressure connecting line 21 and equalizing valve 10 between well head four-way 15 and the four-way 12.Remove the needs of oil pipe tubing string according to workover treatment, triple ram preventer 14 and down the annular space at omnipotent preventer 13 two ends be communicated with or close.An open flow valve 11 also is installed on four-way 12 is used for open flow.The parts that surge on the stationary slip expansion coupling formula Operating Pressure device of top connect hydraulic power station.
Claims (7)
1. top stationary slip expansion coupling formula Operating Pressure device, comprise: column (3), stationary slip, traveling slip, omnipotent preventer (8,13), expansion coupling (9), four-way (12), triple ram preventer (14), platform (2,17,19), lifting fluid cylinder (18), self-adjustable jack (20), high pressure connecting line (21), it is characterized in that: be connected with triple ram preventer (14) in turn on the top of well head four-way (15), following omnipotent preventer (13), four-way (12), expansion coupling (9) and last omnipotent preventer (8), the top of going up omnipotent spray apparatus (8) is connected on the crossbeam (16), the top of crossbeam (16) is connected with traveling slip, crossbeam (16) is connected with the piston rod part of lifting fluid cylinder (18), on upper mounting plate (2), be fixed with stationary slip, upper mounting plate (2) is fixed on the top of column (3), and the lower end of column (3) is fixed on the lower platform (19).
2. top according to claim 1 stationary slip expansion coupling formula Operating Pressure device, it is characterized in that: described column (3) center fixed has middle platform (17), and the centre of middle platform (17) is porose.
3. top according to claim 1 stationary slip expansion coupling formula Operating Pressure device is characterized in that: be connected with high pressure connecting line (21) and equalizing valve (10) between the four-way (12) on the well head four-way (15) of triple ram preventer (14) bottom and following omnipotent preventer (13) top.
4. top according to claim 1 stationary slip expansion coupling formula Operating Pressure device is characterized in that: an open flow valve (11) also is installed on four-way (12).
5. according to claim 1 or 2 or 3 or 4 described top stationary slip expansion coupling formula Operating Pressure devices, it is characterized in that: described stationary slip comprises: fixedly load-bearing slips (4) and fixedly anti-jack slips (5); Described traveling slip comprises: the anti-jack slips that moves about (6) and the load-bearing slips (7) that moves about.
6. according to claim 1 or 2 or 3 or 4 described top stationary slip expansion coupling formula Operating Pressure devices, it is characterized in that: have self-adjustable jack (20) to support in the bottom of lower platform (19), the quantity of self-adjustable jack (20) is 4.
7. according to claim 1 or 2 or 3 or 4 described top stationary slip expansion coupling formula Operating Pressure devices, it is characterized in that: the quantity of hoist cylinder (18) is 2 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201703762U CN201087716Y (en) | 2007-08-27 | 2007-08-27 | Top-fixed slip expansion joint type operation device under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201703762U CN201087716Y (en) | 2007-08-27 | 2007-08-27 | Top-fixed slip expansion joint type operation device under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201087716Y true CN201087716Y (en) | 2008-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201703762U Expired - Lifetime CN201087716Y (en) | 2007-08-27 | 2007-08-27 | Top-fixed slip expansion joint type operation device under pressure |
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| Country | Link |
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| CN (1) | CN201087716Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678080A (en) * | 2011-03-16 | 2012-09-19 | 胜利方兰德石油装备股份有限公司 | Double-stage lifting oil-water well snubbing operation device |
| CN102817571A (en) * | 2012-09-05 | 2012-12-12 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
| CN104975818A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and technological method for pulling lower oil tube |
| CN106939775A (en) * | 2017-05-03 | 2017-07-11 | 梅宗禄 | Change tubing string and wellhead component hydraulic lift and its method |
| CN107796644A (en) * | 2017-10-19 | 2018-03-13 | 中石化四机石油机械有限公司 | A kind of motor-driven load experimental rig of oil gas field Operating Pressure and test method |
| CN109209259A (en) * | 2018-11-29 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of continuous snubbing serving machine for lifting oil pipe |
| CN110259404A (en) * | 2019-05-24 | 2019-09-20 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of pit shaft operation device under pressure |
| CN111119758A (en) * | 2020-02-10 | 2020-05-08 | 于燕 | Use method of self-balancing under-pressure operation device adopting directional slips |
| CN111140183A (en) * | 2020-02-10 | 2020-05-12 | 于燕 | Self-balancing under-pressure operation device adopting directional slips |
| CN111827897A (en) * | 2020-08-05 | 2020-10-27 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Oil pipe lowering device suitable for high-pressure gas well |
| CN113250627A (en) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
-
2007
- 2007-08-27 CN CNU2007201703762U patent/CN201087716Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678080A (en) * | 2011-03-16 | 2012-09-19 | 胜利方兰德石油装备股份有限公司 | Double-stage lifting oil-water well snubbing operation device |
| CN102678080B (en) * | 2011-03-16 | 2013-12-18 | 胜利方兰德石油装备股份有限公司 | Double-stage lifting oil-water well snubbing operation device |
| CN102817571A (en) * | 2012-09-05 | 2012-12-12 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
| CN104975818A (en) * | 2015-06-30 | 2015-10-14 | 中国石油天然气股份有限公司 | Device and technological method for pulling lower oil tube |
| CN104975818B (en) * | 2015-06-30 | 2017-05-10 | 中国石油天然气股份有限公司 | Device and technological method for pulling lower oil tube |
| CN106939775A (en) * | 2017-05-03 | 2017-07-11 | 梅宗禄 | Change tubing string and wellhead component hydraulic lift and its method |
| CN107796644A (en) * | 2017-10-19 | 2018-03-13 | 中石化四机石油机械有限公司 | A kind of motor-driven load experimental rig of oil gas field Operating Pressure and test method |
| CN109209259A (en) * | 2018-11-29 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of continuous snubbing serving machine for lifting oil pipe |
| CN110259404A (en) * | 2019-05-24 | 2019-09-20 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | A kind of pit shaft operation device under pressure |
| CN110259404B (en) * | 2019-05-24 | 2021-05-28 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Shaft under-pressure operation device |
| CN111119758A (en) * | 2020-02-10 | 2020-05-08 | 于燕 | Use method of self-balancing under-pressure operation device adopting directional slips |
| CN111140183A (en) * | 2020-02-10 | 2020-05-12 | 于燕 | Self-balancing under-pressure operation device adopting directional slips |
| CN111827897A (en) * | 2020-08-05 | 2020-10-27 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Oil pipe lowering device suitable for high-pressure gas well |
| CN113250627A (en) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
| CN113250627B (en) * | 2021-06-29 | 2021-09-10 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080716 |