CN205422613U - Area is pressed and is got oil pipe cable sealing device - Google Patents
Area is pressed and is got oil pipe cable sealing device Download PDFInfo
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- CN205422613U CN205422613U CN201620230234.XU CN201620230234U CN205422613U CN 205422613 U CN205422613 U CN 205422613U CN 201620230234 U CN201620230234 U CN 201620230234U CN 205422613 U CN205422613 U CN 205422613U
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- high altitude
- brace rod
- well head
- altitude platform
- oil pipe
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Abstract
The utility model discloses an area is pressed and is got oil pipe cable sealing device, it includes the mechanism that is connected with the well head and installs in the operation supporting mechanism of well head border, the mechanism that is connected with the well head includes lower annular blowout preventer, relief valve, airtight telescopic joint that from bottom to up connected gradually, goes up annular blowout preventer and get the cable nipple joint, the operation supporting mechanism includes high altitude platform, support high altitude platform's support post, install in high altitude platform's lift cylinder, by trip moving beam that lift cylinder's piston boit bore and install the traveling slip on trip moving beam, go up annular blowout preventer with down the annular blowout preventer structure is the same, this preventer including top cap, the casing of constituteing spherical space, install in in the spherical space under a lock ring, glue the core and install the piston in a lock ring at last loop type, the loop type is glued the core and is included the rubber body and brace rod two parts, the internal wall cloth of rubber has wave -shaped wrinkles.
Description
Technical field
This utility model relates to technical field of petroleum machinery, a kind of with pressure takes oil pipe cable sealing device.
Background technology
China oil field substantially belongs to low pressure, stripper field, oil development initial stage to mid-term, when producing in oil field, is both needed to displacement of reservoir oil by filling water.Make oil produce certain pressure, flow near oil well.Ground is extracted out again with various forms of oil well pumps even oil band water, then oil-water separation.Because oil pumping machine oil pumping is too slow, when the liquid water content extracted out is the biggest, the content of oil is the most very little.Thus just use submersible electric pump, explosion-proof specific type of electric machine and centrifugal multistage pump multiple centrifugal pump are connected together, under to bottom oil well.Owing to centrifugal pump discharge capacity is big, big quantity of fluid can be discharged within the same time.Although it is more to discharge the water yield, in the unit interval, the quantity of oil is consequently increased.This just can improve oil well output.
Oilfields also major part oil-immersed pump mode is recovered the oil.But this oil production method must have a few km cables to remove with motor one to be caused at ground power supply on shaft bottom, and oil pipe to be attached to.And at every oil pipe middle part, joint area, with Special clip, flat cable and oil pipe clamp are tied together.
The well Operating Pressure to be carried out of this structure, than common gas well, water injection well, oil well Operating Pressure difficulty many.During because common gas well, water injection well, oil well are sealed, as long as sealing oil pipe and the annular space of sleeve pipe, so that it may above carry oil pipe.And in electric pump well, the outside of the oil pipe in well has cable and the strain relief clamp of a wide 40mm, thick 10mm to propose with oil pipe.Thus require oil pipe and cable to be sealed up in operation simultaneously, and relative motion between fluid sealant part and oil pipe and the cable of preventer, can not be produced.Otherwise cable outer around steel band fluid sealant part can be scratched, lose sealing effectiveness.
Utility model content
The purpose of this utility model is just to provide and a kind of with pressure takes oil pipe cable sealing device, with at no killing well, do not bleed off pressure and guarantee that oil pipe cable is taken out in the case of not spraying by well head, and create conditions for next step mounting shaft jaws equipment.
This utility model is achieved in that
One is with pressure takes oil pipe cable sealing device, its structure includes the mechanism being connected with well head and is installed on the operation supporting mechanism of well head border, and the described mechanism being connected with well head includes lower annular preventer, relief valve, airtight retractable joint, upper annular preventer and the power taking cable pipe nipple being sequentially connected with from bottom to top；Described operation supporting mechanism includes High Altitude Platform, the support post supporting described High Altitude Platform, is installed on the hoist cylinder of described High Altitude Platform, the piston boit of described the hoist cylinder travelling crossbeam carried and is installed on the traveling slip on travelling crossbeam；Described upper annular preventer is identical with lower annular preventer structure, this preventer include forming the top cover of diameter of Spherical Volume, housing, be installed in described diameter of Spherical Volume under bracing ring, at upper ring-like glue core and the piston that is installed in bracing ring；Described ring-like glue core includes rubber bodies and brace rod two parts, and brace rod includes 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 undulating pleats；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.
This utility model use this structure, the annular preventer of ad hoc structure both can ensure that the sealing of oil pipe and cable, it can also be ensured that extract during with sealing well pressure device without relative motion.The structure of power taking cable pipe nipple makes the operation of strip cable from oil pipe the most convenient, thus no killing well, do not bleed off pressure and guarantee well head do not spray in the case of by oil pipe cable take out, and for next step installation production wellhead create conditions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is upper annular preventer and the structural representation of lower annular preventer in this utility model.
Detailed description of the invention
Shown in Fig. 1, this utility model is with pressure takes oil pipe cable sealing device, including the mechanism being connected with well head and the operation supporting mechanism being installed on well head border, the described mechanism being connected with well head includes lower annular preventer 9, relief valve 8, airtight retractable joint 7, upper annular preventer 6 and the power taking cable pipe nipple 5 being sequentially connected with from bottom to top.Described operation supporting mechanism includes High Altitude Platform 4, the support post 10 supporting described High Altitude Platform, is installed on the hoist cylinder 3 of described High Altitude Platform, the piston boit of described the hoist cylinder travelling crossbeam 2 carried and is installed on the slips 1 on travelling crossbeam 2；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 structure design, the neutral gear between its upper flange and lower flange can be to provide open working place from oil pipe strip cable.
Upper annular preventer 6 is identical with lower annular preventer 9 structure, as shown in Figure 2, seal oil pipe cable annular preventer housing parts by upper top cover 11 with under housing 15 form, the inner chamber of top cover 11 is spherical, being provided with ring-like glue core 12 in the spherical inner chamber of top cover 11, this ring-like glue core 12 includes rubber bodies17With brace rod two parts, brace rod includes brace rod body 16 and brace rod extension arm 18.Rubber bodies 17 internal face is furnished with undulating pleats 19.Bracing ring 13 and the piston 14 being installed in bracing ring 13 it is further fixed in inner walls.Brace rod body 16 is fixed in piston 14 top.
The work process of upper annular preventer 6 and lower annular preventer 9: when being tied with the oil pipe of cable by the rubber bodies 17 of this annular preventer, utilize top piston 14 on hydraulic pressure, promote ring-like glue core 12 to move upward.Simultaneously the most affixed with piston 14 it be positioned at the brace rod body 16 outside ring-like glue core 12 and paste top cover 11 inside ball face and move upward, in motor process, extruded 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 lengthening moment, the effect of guiding, force whole glue core to tighten up to centre when moving upward, make the rubber being positioned at glue in-core side tighten up and embrace oil pipe and cable.When rubber bodies deformation extrudes to center, the undulating pleats 19 of the inner side of rubber bodies 17 inwall, fold jut is just squeezed in the gap of oil pipe and cable.Tightly embrace oil pipe and cable, thus form fixing, sealing state, well cylinder pressure is insulated.
During utility model works, High Altitude Platform maintains static, and the oil pipe being glued with cable embraced by upper annular preventer, and well cylinder pressure is encapsulated in below annular preventer.It is fixed on the hoist cylinder 3 of High Altitude Platform 4 when rising, drive traveling slip 1, power taking cable pipe nipple 5, upper annular preventer 6 to rise by travelling crossbeam 2 simultaneously, airtight retractable joint 7 stretches out, in the case of the upper annular preventer 6 sealing annular pressure keeps without relative motion with oil pipe and cable, three rises overally.When oil cylinder rises to summit, close lower annular preventer, annular pressure is insulated below lower annular preventer, open relief valve and bleed off the pressure between annular preventer and lower annular preventer, oil pipe is fixed by the stationary slip (not shown) being positioned at high-altitude (on High Altitude Platform), opening traveling slip and upper annular preventer, hoist cylinder declines.During hoist cylinder 3 declines, oil pipe is fixed motionless by stationary slip, and only oil cylinder drives travelling 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 at power taking cable pipe nipple 5.After cable separates with oil pipe, rising with oil cylinder next time and rise, separated cable is drawn from High Altitude Platform, then is guided on lower cable winding device by High Altitude Platform, by cable withdrawal.Cable separates rear oil cylinder and drops to minimum point with oil pipe, repeats circulation above procedure.
Claims (1)
1. one kind with pressure takes oil pipe cable sealing device, it is characterized in that, including the mechanism being connected with well head and the operation supporting mechanism being installed on well head border, the described mechanism being connected with well head includes lower annular preventer, relief valve, airtight retractable joint, upper annular preventer and the power taking cable pipe nipple being sequentially connected with from bottom to top；Described operation supporting mechanism includes High Altitude Platform, the support post supporting described High Altitude Platform, is installed on the hoist cylinder of described High Altitude Platform, the piston boit of described the hoist cylinder travelling crossbeam carried and is installed on the traveling slip on travelling crossbeam；Described upper annular preventer is identical with lower annular preventer structure, this preventer include forming the top cover of diameter of Spherical Volume, housing, be installed in described diameter of Spherical Volume under bracing ring, at upper ring-like glue core and the piston that is installed in bracing ring；Described ring-like glue core includes rubber bodies and brace rod two parts, and brace rod includes 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 undulating pleats；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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230234.XU CN205422613U (en) | 2016-03-24 | 2016-03-24 | Area is pressed and is got oil pipe cable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230234.XU CN205422613U (en) | 2016-03-24 | 2016-03-24 | Area is pressed and is got oil pipe cable sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422613U true CN205422613U (en) | 2016-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620230234.XU Active CN205422613U (en) | 2016-03-24 | 2016-03-24 | Area is pressed and is got oil pipe cable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031696A (en) * | 2018-08-29 | 2020-12-04 | 曲睿婕 | Coiled tubing four-ram blowout preventer |
| CN115075766A (en) * | 2022-08-16 | 2022-09-20 | 泰州远鹏吊索具有限公司 | Swabbing steel wire rope blowout preventer for oil field |
-
2016
- 2016-03-24 CN CN201620230234.XU patent/CN205422613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031696A (en) * | 2018-08-29 | 2020-12-04 | 曲睿婕 | Coiled tubing four-ram blowout preventer |
| CN115075766A (en) * | 2022-08-16 | 2022-09-20 | 泰州远鹏吊索具有限公司 | Swabbing steel wire rope blowout preventer for oil field |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |