CN105604513A - Method for taking oil pipe cable with pressure - Google Patents
Method for taking oil pipe cable with pressure Download PDFInfo
- Publication number
- CN105604513A CN105604513A CN201610170913.7A CN201610170913A CN105604513A CN 105604513 A CN105604513 A CN 105604513A CN 201610170913 A CN201610170913 A CN 201610170913A CN 105604513 A CN105604513 A CN 105604513A
- Authority
- CN
- China
- Prior art keywords
- cable
- oil pipe
- annular preventer
- pressure
- altitude platform
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 210000002445 nipple Anatomy 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 61
- 239000003129 oil well Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a method for taking an oil pipe cable with pressure. A device used by the method comprises a mechanism connected with a wellhead and an operation supporting mechanism mounted at the periphery of the wellhead, wherein the mechanism connected with the wellhead comprises a lower annular blowout preventer, a pressure releasing valve, a sealed telescopic joint, an upper annular blowout preventer and a cable taking short joint, which are sequentially connected from bottom to top; the operation supporting mechanism comprises a high-altitude platform, a supporting stand column for supporting the high-altitude platform, a hoisting oil cylinder mounted on the high-altitude platform, a movable transverse beam which is borne by a piston column of the hoisting oil cylinder, and a movable slip which is mounted on the movable transverse beam; the structure of the upper annular blowout preventer is the same as that of the lower annular blowout preventer; each blowout preventer is composed of a top cover for forming a spherical space, a shell, a lower supporting ring mounted in the spherical space and located at the lower part, an upper annular rubber core, and a piston mounted in the supporting ring; each annular rubber core comprises a rubber body and a supporting rib; and wave-shaped folds are distributed on the inner wall surface of each rubber body.
Description
Technical field
The present invention relates to petroleum machinery technical field, specifically a kind of method of getting oil pipe cable with pressure.
Background technology
China oil field is to belong to low pressure, stripper field substantially, and the oil development initial stage, to mid-term, in the time of field produces, all needs displacement of reservoir oil by filling water. Make oil produce certain pressure, flow near oil well. Connect oil band water with various forms of oil well pumps again and extract ground out, then water-oil separating. Too slow because of oil pumping machine oil pumping, when the liquid water content of extracting out is when too large, the content of oil just very little. Thereby just adopt submersible electric pump, and explosion-proof specific type of electric machine and centrifugal multistage pump multiple centrifugal pump are connected together, lower to oil well bottom. Because centrifugal pump discharge capacity is large, the large quantity of fluid of interior discharge at one time. Although it is more to discharge the water yield, in the unit interval, the quantity of oil also increases thereupon. This just can improve oil well output.
Oilfields also major part recovers the oil by oil-immersed pump mode. But this oil production method must have a few km cables to remove shaft bottom with motor one, and to be attached to and on oil pipe, cause ground power supply place. And at every oil pipe middle part, joint area, flat cable and oil pipe clamp are tied together with Special clip.
The well of this structure will carry out Operating Pressure, many than the Operating Pressure difficulty of common gas well, water injection well, oil well. Because when common gas well, water injection well, oil well are sealed, as long as the annular space of sealing oil pipe and sleeve pipe, just can on carry oil pipe. And in electric pump well, there is a wide 40mm in the outside of the oil pipe in well, the cable of thick 10mm will propose with oil pipe with strain relief clamp. So just require oil pipe and cable to be sealed up in operating process simultaneously, and can not produce relative motion between the fluid sealant part of preventer and oil pipe and cable. Otherwise cable outer around steel band fluid sealant part can be scratched, lose sealing effectiveness.
Summary of the invention
Object of the present invention is just to provide a kind of method of getting oil pipe cable with pressure, in not kill-job, do not bleed off pressure and guarantee that well head does not spray in the situation that, oil pipe cable is taken out, and creates conditions for next step mounting shaft jaws equipment.
The present invention is achieved in that
A method of getting oil pipe cable with pressure, is characterized in that, comprises the following steps:
A., the oil pipe cable sealing device of getting with pressure is set: the mechanism being connected with well head and the operation supporting mechanism that is installed on well head border are set, and the described mechanism being connected with well head comprises the lower annular preventer, relief valve, airtight retractable joint, upper annular preventer and the power taking cable pipe nipple that connect successively from bottom to top; Described operation supporting mechanism comprises High Altitude Platform, supports the support post of described High Altitude Platform, is installed on the hoist cylinder of described High Altitude Platform, by the crossbeam and be installed on the traveling slip moving about on crossbeam of moving about of the piston boit carrying of described hoist cylinder; Described upper annular preventer is identical with lower annular preventer structure, this preventer comprise form diameter of Spherical Volume top cover, housing, be installed in described diameter of Spherical Volume under bracing ring, at upper ring-like glue core and be installed on the piston in bracing ring; Described ring-like glue core comprises rubber bodies and brace rod two parts, and brace rod comprises brace rod body and brace rod extension arm; Described brace rod body is fixed in described top land; Described rubber bodies internal face is furnished with waveform fold; Described power taking cable pipe nipple is made up of upper flange, lower flange and some connecting rods; Described upper flange is connected with described traveling slip, and described lower flange is connected with described upper annular preventer;
B. High Altitude Platform maintains static, and upper annular preventer is embraced the oil pipe that is glued with cable, and pit shaft internal pressure is encapsulated in below annular preventer;
C. make the hoist cylinder 3 that is fixed on High Altitude Platform 4 increase, drive traveling slip 1, power taking cable pipe nipple 5, upper annular preventer to rise by the crossbeam 2 that moves about simultaneously, airtight retractable joint 7 stretches out, upper annular preventer 6 at sealing annular pressure keeps without relative motion with oil pipe and cable, and three rises overally;
E. in the time that oil cylinder rises to summit, close lower annular preventer, annular pressure packing, below lower annular preventer, is opened to relief valve and bled off the pressure between annular preventer and lower annular preventer;
F. fix oil pipe by the stationary slip that is positioned at high-altitude, open traveling slip and upper annular preventer, hoist cylinder is declined; In hoist cylinder 3 decline processes, the oil pipe slips that is fixed is fixed motionlessly, only has oil cylinder to drive to move about crossbeam 2, traveling slip 1, power taking cable pipe nipple 5 and upper annular 6 to decline, and Telescopic short piece 7 is retracted, and cable separates with oil pipe in power taking cable pipe nipple 5 places;
G. after cable separates with oil pipe, rise with oil cylinder next time, the cable having separated is drawn from High Altitude Platform, then on cable winding device under being guided to by High Altitude Platform, cable is regained;
H. cable separate with oil pipe after oil cylinder drop to minimum point, the above process of repetitive cycling.
The present invention adopts in this way, and the annular preventer of ad hoc structure both can ensure the sealing of oil pipe and cable, can also ensure that the device of pressing with sealed well in the process of extracting is without relative motion. The structure of power taking cable pipe nipple makes the operation of strip cable from oil pipe very convenient, thereby in not kill-job, do not bleed off pressure and guarantee that well head does not spray in the situation that, oil pipe cable is taken out, and creates conditions for next step installation production wellhead.
Brief description of the drawings
Fig. 1 is the structural representation of getting oil pipe cable sealing device with pressure of the present invention.
Fig. 2 is the structural representation of going up annular preventer and lower annular preventer in the present invention.
Detailed description of the invention
Shown in Fig. 1, the oil pipe cable sealing device of getting with pressure using in the present invention, comprise that the mechanism being connected with well head and the operation supporting mechanism that is installed on well head border, the described mechanism being connected with well head comprise lower annular preventer 9, relief valve 8, airtight retractable joint 7, upper annular preventer 6 and the power taking cable pipe nipple 5 connecting successively from bottom to top. Described operation supporting mechanism comprises High Altitude Platform 4, supports the support post 10 of described High Altitude Platform, is installed on the hoist cylinder 3 of described High Altitude Platform, by the crossbeam 2 and be installed on the slips 1 moving about on crossbeam 2 of moving about of the piston boit carrying of described hoist cylinder; Described power taking cable pipe nipple is made up of upper flange 22, lower flange 20 and some connecting rods 21. Described upper flange 22 is connected with described slips 1, and described lower flange 20 is connected with described upper annular preventer 6. The power taking cable pipe nipple of this structural design, the neutral gear between its upper flange and lower flange can be for providing open operating space from oil pipe strip cable.
Upper annular preventer 6 is identical with lower annular preventer 9 structures, as shown in Figure 2, the housing parts of sealing oil pipe cable loop shape preventer by the top cover 11 upper with under housing 15 form, the inner chamber of top cover 11 is spherical, in the spherical inner chamber of top cover 11, be provided with ring-like glue core 12, this ring-like glue core 12 comprises rubber bodies17With brace rod two parts, brace rod comprises brace rod body 16 and brace rod extension arm 18. Rubber bodies 17 internal faces are furnished with waveform fold 19. In inner walls, be also fixed with bracing ring 13 and be installed on the piston 14 in bracing ring 13. Brace rod body 16 is fixed in piston 14 tops.
The course of work of upper annular preventer 6 and lower annular preventer 9: in the time of the rubber bodies 17 of the oil pipe that is tied with cable by this annular preventer, utilize top piston 14 on hydraulic pressure, impel ring-like glue core 12 to move upward. Simultaneously pasting top cover 11 inside ball faces with the affixed brace rod body 16 that is positioned at ring-like glue core 12 outsides of piston 14 moves upward, in motion process, pushed by the center of being forced to by the brace rod body 16 of extrusion, in this extrusion process, brace rod extension arm 18 plays the effect that lengthens moment, guiding, while forcing whole glue core to move upward, tighten up to centre, the rubber that makes to be positioned at glue in-core side tightens up embraces oil pipe and cable. When rubber bodies distortion is pushed to center, the waveform fold 19 of the inner side of rubber bodies 17 inwalls, fold jut is just squeezed in the gap of oil pipe and cable. Tightly embrace oil pipe and cable, thereby form fixing, sealing state, by the packing of pit shaft internal pressure.
Method of getting oil pipe cable with pressure of the present invention comprises the following steps: with reference to figure 1, Fig. 2, first by aforementioned structure, the oil pipe cable sealing device of getting with pressure is set; High Altitude Platform maintains static, and upper annular preventer is embraced the oil pipe that is glued with cable, and pit shaft internal pressure is encapsulated in below annular preventer. When the hoist cylinder 3 that is fixed on High Altitude Platform 4 rises, drive traveling slip 1, power taking cable pipe nipple 5, upper annular preventer 6 to rise by the crossbeam 2 that moves about simultaneously, airtight retractable joint 7 stretches out, upper annular preventer 6 at sealing annular pressure keeps without relative motion with oil pipe and cable, and three rises overally. In the time that oil cylinder rises to summit, close lower annular preventer, by annular pressure packing below lower annular preventer, open relief valve and bleed off the pressure between annular preventer and lower annular preventer, fix oil pipe by the stationary slip (not shown) that is positioned at high-altitude (on High Altitude Platform), open traveling slip and upper annular preventer, hoist cylinder declines. In hoist cylinder 3 decline processes, the oil pipe slips that is fixed is fixed motionlessly, only has oil cylinder to drive to move about crossbeam 2, traveling slip 1, power taking cable pipe nipple 5 and upper annular 6 to decline, and Telescopic short piece 7 is retracted, and cable separates with oil pipe in power taking cable pipe nipple 5 places. After cable separates with oil pipe, rise with oil cylinder next time, the cable having separated is drawn from High Altitude Platform, then on cable winding device under being guided to by High Altitude Platform, cable is regained. After cable separates with oil pipe, oil cylinder drops to minimum point, the above process of repetitive cycling.
Claims (1)
1. a method of getting oil pipe cable with pressure, is characterized in that, comprises the following steps:
A., the oil pipe cable sealing device of getting with pressure is set:
The mechanism being connected with well head and the operation supporting mechanism that is installed on well head border are set, and the described mechanism being connected with well head comprises the lower annular preventer, relief valve, airtight retractable joint, upper annular preventer and the power taking cable pipe nipple that connect successively from bottom to top; Described operation supporting mechanism comprises High Altitude Platform, supports the support post of described High Altitude Platform, is installed on the hoist cylinder of described High Altitude Platform, by the crossbeam and be installed on the traveling slip moving about on crossbeam of moving about of the piston boit carrying of described hoist cylinder; Described upper annular preventer is identical with lower annular preventer structure, this preventer comprise form diameter of Spherical Volume top cover, housing, be installed in described diameter of Spherical Volume under bracing ring, at upper ring-like glue core and be installed on the piston in bracing ring; Described ring-like glue core comprises rubber bodies and brace rod two parts, and brace rod comprises brace rod body and brace rod extension arm; Described brace rod body is fixed in described top land; Described rubber bodies internal face is furnished with waveform fold; Described power taking cable pipe nipple is made up of upper flange, lower flange and some connecting rods; Described upper flange is connected with described traveling slip, and described lower flange is connected with described upper annular preventer;
B. High Altitude Platform maintains static, and upper annular preventer is embraced the oil pipe that is glued with cable, and pit shaft internal pressure is encapsulated in below annular preventer;
C. make the hoist cylinder that is fixed on High Altitude Platform increase, drive traveling slip, power taking cable pipe nipple, upper annular preventer to rise by the crossbeam that moves about simultaneously, airtight retractable joint stretches out, upper annular preventer 6 at sealing annular pressure keeps without relative motion with oil pipe and cable, and three rises overally;
D. in the time that oil cylinder rises to summit, close lower annular preventer, annular pressure packing, below lower annular preventer, is opened to relief valve and bled off the pressure between annular preventer and lower annular preventer;
E. fix oil pipe by the stationary slip that is positioned at high-altitude, open traveling slip and upper annular preventer, hoist cylinder is declined; In hoist cylinder decline process, the oil pipe slips that is fixed is fixed motionlessly, only has oil cylinder to drive to move about crossbeam, traveling slip, power taking cable pipe nipple and upper annular to decline, and Telescopic short piece is retracted, and cable separates with oil pipe in power taking cable pipe nipple place;
F. after cable separates with oil pipe, rise with oil cylinder next time, the cable having separated is drawn from High Altitude Platform, then on cable winding device under being guided to by High Altitude Platform, cable is regained;
G. cable separate with oil pipe after oil cylinder drop to minimum point, the above process of repetitive cycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610170913.7A CN105604513A (en) | 2016-03-24 | 2016-03-24 | Method for taking oil pipe cable with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610170913.7A CN105604513A (en) | 2016-03-24 | 2016-03-24 | Method for taking oil pipe cable with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105604513A true CN105604513A (en) | 2016-05-25 |
Family
ID=55984799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610170913.7A Pending CN105604513A (en) | 2016-03-24 | 2016-03-24 | Method for taking oil pipe cable with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118390980A (en) * | 2024-06-26 | 2024-07-26 | 河北新铁虎石油机械有限公司 | Composite pipe column pipe lifting device with pressure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519953A (en) * | 2009-04-09 | 2009-09-02 | 胜利油田供应方圆石油装备有限责任公司 | Hydraulic slip and hydraulic blowout preventer combined oil water well pressured equipment |
| CN101705801A (en) * | 2009-11-06 | 2010-05-12 | 宝鸡石油机械有限责任公司 | combined annular blowout preventer |
| CN201526295U (en) * | 2009-04-09 | 2010-07-14 | 胜利油田供应方圆石油装备有限责任公司 | Oil water well pressured operation apparatus |
| CN203347756U (en) * | 2013-07-06 | 2013-12-18 | 胜利方兰德石油装备股份有限公司 | Snubbing removing device for electric pump oil extraction pipe columns |
| US20130341047A1 (en) * | 2012-06-21 | 2013-12-26 | Complete Production Services, Inc. | Drive systems for use with long lateral completion systems and methods |
| CN204609825U (en) * | 2015-03-10 | 2015-09-02 | 胜利方兰德石油装备股份有限公司 | Marine operation device under pressure |
-
2016
- 2016-03-24 CN CN201610170913.7A patent/CN105604513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519953A (en) * | 2009-04-09 | 2009-09-02 | 胜利油田供应方圆石油装备有限责任公司 | Hydraulic slip and hydraulic blowout preventer combined oil water well pressured equipment |
| CN201526295U (en) * | 2009-04-09 | 2010-07-14 | 胜利油田供应方圆石油装备有限责任公司 | Oil water well pressured operation apparatus |
| CN101705801A (en) * | 2009-11-06 | 2010-05-12 | 宝鸡石油机械有限责任公司 | combined annular blowout preventer |
| US20130341047A1 (en) * | 2012-06-21 | 2013-12-26 | Complete Production Services, Inc. | Drive systems for use with long lateral completion systems and methods |
| CN203347756U (en) * | 2013-07-06 | 2013-12-18 | 胜利方兰德石油装备股份有限公司 | Snubbing removing device for electric pump oil extraction pipe columns |
| CN204609825U (en) * | 2015-03-10 | 2015-09-02 | 胜利方兰德石油装备股份有限公司 | Marine operation device under pressure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118390980A (en) * | 2024-06-26 | 2024-07-26 | 河北新铁虎石油机械有限公司 | Composite pipe column pipe lifting device with pressure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |
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| WD01 | Invention patent application deemed withdrawn after publication |