CN210317231U - Continuous pipe cable wellhead suspension device - Google Patents
Continuous pipe cable wellhead suspension device Download PDFInfo
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- CN210317231U CN210317231U CN201920724017.XU CN201920724017U CN210317231U CN 210317231 U CN210317231 U CN 210317231U CN 201920724017 U CN201920724017 U CN 201920724017U CN 210317231 U CN210317231 U CN 210317231U
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- coiled tubing
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Abstract
The utility model provides a coiled tubing cable well head linkage, coiled tubing cable well head linkage body top installation coiled tubing salvages the head, coiled tubing salvages head bottom installation hydraulic control pipeline runner, be connected with the inside hydraulic control pipeline of coiled tubing cable through the hydraulic control pipeline runner, the inside power cable plug socket of installing of coiled tubing cable well head linkage body, the power cable plug socket is connected with the inside power cable of coiled tubing cable, the connecting pipe is installed to coiled tubing cable well head linkage body bottom, the connecting pipe bottom links to each other with hanging the slips seat through connecting bolt, hang and hang the slips in the slips seat and install, hang the coiled tubing cable through hanging the slips, and compress tightly sealed the sealing of metal seal piece and elasticity seal piece realization coiled tubing cable and connecting pipe through sealed pressure cap. The plug-in connection and the flow channel type hydraulic control of the cable under the normal production condition of the suspended continuous pipe cable are realized, and the operation requirement of the continuous oil pipe for quickly transmitting the electric pump is realized by combining the fishing head of the continuous oil pipe.
Description
Technical Field
The utility model relates to an oil, natural gas exploitation equipment technical field, more specifically say and relate to a coiled tubing cable well head linkage.
Background
The main operation means of the workover rig-free platform is to adopt a workover ship, a drilling ship or a workover rig to move to carry out workover, the workover ship, the drilling ship and the workover rig are used for a workover rig-free platform inspection pump to move, the preparation time of frequent workover rig moving operation is long, the cost is high, the equipment loss is large, the performance of tools such as an external sand control pipe column sealing working barrel, a sleeve pipe, a hanger and the like is reduced or even loses efficacy when the pipe column is lifted, and the problems of oil layer pollution, cold damage, scaling, reservoir pollution and the like caused by external solid particles are often generated in the process of flushing and killing a well.
The pump operation can be efficiently and quickly finished without using a workover rig and an operation ship by utilizing the continuous pipe cable transmission electric pump operation, the operation process is simple and safe, the steps of detaching a Christmas tree, lifting a production pipe column, lowering the production pipe column, assembling the Christmas tree, setting a cable packer and the like are reduced, the performance reduction of a sand prevention pipe column caused by lifting the pipe column is avoided, the well killing operation is avoided, the pollution and the damage of an oil layer are reduced, and the pump operation procedure is simplified.
For the operation process of the continuous pipe cable transmission electric pump, the continuous pipe cable needs to be hung at a well head for a long time for production, and if the continuous pipe cable passes through an oil production channel in the production process, the realization of the functions of a main valve and a paraffin removal valve of a conventional Christmas tree can be hindered.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes not enough among the prior art, to coiled tubing cable transmission charge pump operation process, need hang coiled tubing cable production for a long time at the well head, if the coiled tubing cable passes through the oil production passageway in the production process, can obstruct the realization of conventional production tree main valve and paraffin removal valve function, a coiled tubing cable well head linkage is provided, be suitable for marine workover rig platform to examine pump and high-efficient well workover fast, can realize hanging grafting and runner formula hydraulic control of cable under the normal production condition of coiled tubing cable, combine coiled tubing to salvage the head and realize coiled tubing fast transmission charge pump operation requirement.
The purpose of the utility model is realized by the following technical scheme.
A continuous pipe cable wellhead suspension device comprises a continuous pipe cable wellhead suspension device body, a connecting pipe, a suspension slip and a suspension slip seat,
the device comprises a continuous pipe cable wellhead hanger body, a middle hole penetrating through the continuous pipe cable wellhead hanger body is formed in the continuous pipe cable wellhead hanger body, a hydraulic control pipeline flow passage penetrating through the side wall of the continuous pipe cable wellhead hanger body is formed in the side wall of the upper portion of the continuous pipe cable wellhead hanger body, sealing modules are arranged above and below the hydraulic control pipeline flow passage, a power cable plug socket is arranged on one side of the continuous pipe cable wellhead hanger body, a hanging groove and a guide groove are formed in the lower portion of the side wall of the continuous pipe cable wellhead hanger body, the continuous pipe cable wellhead hanger body is guided into a continuous pipe cable hanging plug production wellhead device through the guide groove, and the continuous pipe cable wellhead hanger body is hung through the hanging groove;
the upper part of the connecting pipe is provided with connecting threads, the connecting pipe is connected with the lower part of the continuous pipe cable wellhead hanger body through the connecting threads, the continuous pipe cable penetrates through the hanging slips and the hanging slip seat to extend into the connecting pipe, the continuous pipe cable sleeved with the metal sealing block and the elastic sealing block is clamped at the lower part of the connecting pipe, the continuous pipe cable comprises a hydraulic control pipeline and a power cable, the hydraulic control pipeline is connected with a hydraulic control pipeline flow passage through a hydraulic control pipeline joint, the power cable sequentially penetrates through the connecting pipe and the continuous pipe cable wellhead hanger body from bottom to top and is connected with the power cable inserting seat, a sealing pressing cap is arranged below the elastic sealing block, the metal sealing block and the elastic sealing block are pressed through the sealing pressing cap to realize integral sealing, and the lower part of the connecting pipe is provided with a pressure test hole for detecting the sealing performance of the metal sealing block and the elastic sealing block, the pressure test hole penetrates through the connecting pipe and extends to a position between the metal sealing block and the elastic sealing block;
hang the slip seat pass through connecting bolt with the bottom stationary phase of connecting pipe links to each other hang the inboard of slip seat with set up between the continuous tube cable hang the slips, hang the top of slips with the bottom of sealed pressure cap contacts hang and seted up slips location passageway on the slip seat, hang the slips and pass through slips location passageway and realize the release activation, realize hanging the chucking of continuous tube cable through hanging the slips.
The coiled tubing fishing head is mounted at the top end of the middle hole of the coiled tubing cable wellhead hanger body, and the coiled tubing fishing head is clamped by the coiled tubing to realize the pulling-up and pulling-down operation of the coiled tubing cable wellhead hanger body.
The lower part of the coiled tubing fishing head is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.
The hydraulic control pipeline flow passage penetrates through the lower part of the coiled tubing fishing head.
The quantity of hydraulic control pipeline is 2, the quantity of hydraulic control pipeline runner is 2, hydraulic control pipeline runner circumference sets up on the upper portion lateral wall of coiled tubing cable well head hanger body.
The power cable plug socket comprises a power cable jack and a power cable plug socket shell, wherein insulating rubber is filled between the power cable jack and the power cable plug socket shell, the power cable jack is connected with the power cable, and an external power cable is connected with the power cable plug socket to realize the access of a power supply.
The number of the power cable jacks is 3.
The number of the power cables is 3, and the power cables are correspondingly connected with the power cable jacks.
The middle part of the outer wall of the coiled tubing cable wellhead hanger body is provided with a first sealing ring, and the power cable plug socket is sealed and protected by the first sealing ring and the sealing module.
And a second sealing ring is arranged above the connecting thread of the connecting pipe, and the sealing between the continuous pipe cable wellhead hanger body and the connecting pipe is realized through the second sealing ring.
The utility model has the advantages that: the utility model discloses be suitable for marine no workover rig platform and examine pump and high-efficient workover fast, can realize hanging grafting and runner formula hydraulic control of cable under the normal production condition of coiled tubing, combine coiled tubing fishing head to realize coiled tubing fast transmission charge pump operation requirement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic cross-sectional structure diagram of the power cable of the present invention;
fig. 3 is a schematic cross-sectional view of a coiled tubing cable according to the present invention;
in FIGS. 1-3: the device comprises a coiled tubing fishing head 1, a coiled tubing cable wellhead hanger body 2, a sealing module 3, a hydraulic control pipeline flow channel 4, a hydraulic control pipeline joint 5, a power cable plug socket 6, a first sealing ring 7, a suspension groove 8, a guide groove 9, a power cable 10, a connecting thread 11, a second sealing ring 12, a connecting pipe 13, a hydraulic control pipeline 14, a metal sealing block 15, a pressure test hole 16, an elastic sealing block 17, a sealing press cap 18, a suspension slip 19, a slip positioning channel 20, a suspension slip seat 21, a connecting bolt 22, a coiled tubing cable 23, a power cable jack 24, a power cable plug socket shell 25, an insulating rubber 26 and a coiled tubing cable shell 27, wherein the coiled tubing cable plug socket shell is arranged on the coiled tubing cable positioning channel 14;
FIG. 4 is a schematic structural view of the present invention applied to a wellhead;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 1;
in FIGS. 4-6: the wellhead device comprises a wellhead device body 1, a flange hole 2, a hydraulic control pipeline runner hole 3, a continuous pipe cable hanger 4, a power cable plug connector 5, a positioning jackscrew 6, a guide groove 7, a flange sealing steel ring groove 8, a power cable 9, an in-cable socket 10, a hydraulic control pipeline runner 11, a fluid overflowing channel 12, a hanging step 13 and a continuous oil pipe fishing head 14, wherein the power cable plug connector is arranged on the wellhead device body;
for a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
Example one
A continuous pipe cable wellhead suspension device comprises a continuous pipe cable wellhead suspension device body 2, a connecting pipe 13, a suspension slip 19 and a suspension slip seat 21,
a middle hole penetrating through the continuous pipe cable wellhead hanger body 2 is formed in the continuous pipe cable wellhead hanger body 2, a hydraulic control pipeline flow passage 4 penetrating through the side wall of the continuous pipe cable wellhead hanger body 2 is formed in the side wall of the upper portion of the continuous pipe cable wellhead hanger body 2, sealing modules 3 are arranged above and below the hydraulic control pipeline flow passage 4, a power cable plug socket 6 is arranged on one side of the continuous pipe cable wellhead hanger body 2, a hanging groove 8 and a guide groove 9 are formed in the lower portion of the side wall of the continuous pipe cable wellhead hanger body 2, the continuous pipe cable wellhead hanger body 2 is guided into a continuous pipe cable hanging plug production wellhead device through the guide groove 9, and the continuous pipe cable wellhead hanger device is hung through the hanging groove 8;
the upper part of a connecting pipe 13 is provided with a connecting thread 11, the connecting pipe 13 is connected with the lower part of a continuous pipe cable wellhead hanger body 2 through the connecting thread 11, a continuous pipe cable 23 passes through a hanging slip 19 and a hanging slip seat 21 and extends into the connecting pipe 13, the continuous pipe cable 23 sleeved with a metal sealing block 15 and an elastic sealing block 17 is clamped at the lower part of the connecting pipe 13, the continuous pipe cable 23 comprises a hydraulic control pipeline 14 and a power cable 10, the hydraulic control pipeline 14 is connected with a hydraulic control pipeline runner 4 through a hydraulic control pipeline joint 5, the power cable 10 sequentially penetrates through the connecting pipe 13 and the continuous pipe cable wellhead hanger body 2 from bottom to top and is connected with a power cable socket 6, a sealing press cap 18 is arranged below the elastic sealing block 17, the metal sealing block 15 and the elastic sealing block 17 are pressed through the sealing press cap 18 to realize integral sealing, the lower part of the connecting pipe 13 is provided with a pressure test hole 16 for detecting the sealing performance of the metal sealing block 15 and the elastic sealing, the pressure test hole 16 penetrates through the connecting pipe 13 and extends between the metal sealing block 15 and the elastic sealing block 17;
hang the slip seat 21 and pass through connecting bolt 22 and be connected with the bottom stationary phase of connecting pipe 13, set up between the inboard of hanging slip seat 21 and continuous umbilical 23 and hang slips 19, the top that hangs slips 19 contacts with the bottom of sealed pressure cap 18, has seted up slips location passageway 20 on hanging slip seat 21, hangs slips 19 and realizes the release activation through slips location passageway 20, realizes hanging the chucking of continuous umbilical 23 through hanging slips 19.
A coiled tubing fishing head 1 is installed at the top end of a middle hole of a coiled tubing cable wellhead hanger body 2, and the coiled tubing fishing head 1 is tightly clamped by the coiled tubing to realize the pulling-up and pulling-down operation of the coiled tubing cable wellhead hanger body 2.
The lower part of the coiled tubing fishing head 1 is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.
The hydraulic control pipeline flow passage 4 penetrates through the lower part of the coiled tubing fishing head 1.
Coiled tubing salvages head has been installed on coiled tubing cable well head hanger body upper portion, three sealing module have been installed to coiled tubing cable well head hanger body lateral surface, install hydraulic control pipeline runner hole between three sealing module respectively, coiled tubing cable well head hanger body bottom is connected with the connecting pipe, the connecting pipe lower part is passed through the bolt and is connected with the suspension slips seat, install the suspension slips in the suspension slips seat, hang the coiled tubing cable through suspension slips locking, realize the hydraulic control of downhole tool through the hydraulic control pipeline runner, salvage through the butt joint of coiled tubing to the coiled tubing salvage head, realize coiled tubing cable well head device and downhole tool, the operation of getting up of charge pump.
Example two
On the basis of the first embodiment, the number of the hydraulic control pipelines 14 is 2, the number of the hydraulic control pipeline runners 4 is 2, and the hydraulic control pipeline runners 4 are circumferentially arranged on the upper side wall of the coiled tubing string wellhead hanger body 2.
The power cable plug socket 6 comprises a power cable jack 24 and a power cable plug socket shell 25, insulating rubber 26 is filled between the power cable jack 24 and the power cable plug socket shell 25, the power cable jack 24 is connected with the power cable 10, and an external power cable is connected with the power cable plug socket 6 to realize the access of a power supply.
The number of power cable insertion holes 24 is 3.
The number of the power cables 10 is 3, and the power cables 10 are correspondingly connected with the power cable jacks 24.
EXAMPLE III
On the basis of the second embodiment, the middle part of the outer wall of the continuous pipe cable wellhead hanger body 2 is provided with a first sealing ring 7, and the power cable plug socket 6 is protected in a sealing mode through the first sealing ring 7 and the sealing module 3.
And a second sealing ring 12 is arranged above the connecting thread 11 of the connecting pipe 13, and the second sealing ring 12 is used for realizing the sealing between the continuous pipe cable wellhead hanger body 2 and the connecting pipe 13.
Example four
On the basis of the third embodiment, the plug-in wellhead device for suspending the coiled tubing string comprises a wellhead device body 1 and a coiled tubing string hanger 4,
the middle part of a wellhead device body 1 is provided with a through hole penetrating through the wellhead device body 1, a coiled tubing hanger 4 is suspended in the through hole of the wellhead device body 1 through a suspension step 13 protruding out of the inner wall of the through hole, the middle part of the wellhead device body 1 is symmetrically provided with 2 power cable plugging holes, power cable plugging connectors 5 are arranged in the power cable plugging holes, the power cable plugging connectors 5 are inserted into power cable plugging seats 6 on the coiled tubing hanger 4 to realize the electrification of power cables in a shaft, 2 positioning jackscrew holes are symmetrically arranged below the power cable plugging holes, the positioning jackscrew holes are matched with suspension grooves 8 outside the coiled tubing hanger 4, positioning jackscrews 6 used for accurately positioning the coiled tubing hanger 4 are arranged in the positioning jackscrew holes and the suspension grooves 8, and a hydraulic control pipeline flow passage hole 11 penetrating through the side wall of the wellhead device body 1 is arranged above the power cable plugging holes, the hydraulic control pipeline flow passage hole 11 is communicated with the hydraulic control pipeline flow passage 4 on the continuous pipe cable hanger 4 so as to realize hydraulic control on the underground hydraulic control tool, and fluid flow passages 12 penetrating through the wellhead device body 1 are uniformly arranged on the periphery of the through hole of the wellhead device body 1.
An upper fixing platform and a lower fixing platform are integrally arranged at the upper end and the lower end of the wellhead device body 1 respectively.
And flange holes 2 which penetrate through the upper fixing platform and the lower fixing platform are respectively arranged on the upper fixing platform and the lower fixing platform.
And a flange sealing steel ring groove 8 is also formed at the bottom end of the lower fixing platform.
The number of the fluid flow channels 12 is 14, and the fluid flow channels are uniformly arranged around the through hole of the wellhead body 1, the fluid flow channels 12 are connected with the wellhead channel at the bottom of the wellhead body 1, and the fluid flow channels 12 provide flow channels for fluid in the wellhead.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a coiled tubing cable well head linkage which characterized in that: comprises a continuous pipe cable wellhead hanger body, a connecting pipe, a hanging slip and a hanging slip seat,
a middle hole penetrating through the continuous pipe cable wellhead hanger body is formed in the continuous pipe cable wellhead hanger body, a hydraulic control pipeline flow passage penetrating through the side wall of the continuous pipe cable wellhead hanger body is formed in the side wall of the upper portion of the continuous pipe cable wellhead hanger body, sealing modules are arranged above and below the hydraulic control pipeline flow passage, a power cable plug socket is arranged on one side of the continuous pipe cable wellhead hanger body, and a hanging groove and a guide groove are formed in the lower portion of the side wall of the continuous pipe cable wellhead hanger body;
the upper part of the connecting pipe is provided with connecting threads, the connecting pipe is connected with the lower part of the continuous pipe cable wellhead hanger body through the connecting threads, the continuous pipe cable penetrates through the suspension slip and the suspension slip seat to extend into the connecting pipe, the continuous pipe cable sleeved with the metal sealing block and the elastic sealing block is clamped at the lower part of the connecting pipe, the continuous pipe cable comprises a hydraulic control pipeline and a power cable, the hydraulic control pipeline is connected with the hydraulic control pipeline runner through a hydraulic control pipeline joint, the power cable sequentially penetrates through the connecting pipe and the continuous pipe cable wellhead hanger body from bottom to top to be connected with the power cable plug socket, a sealing pressure cap is arranged below the elastic sealing block, a pressure testing hole is arranged at the lower part of the connecting pipe, the pressure test hole penetrates through the connecting pipe and extends to a position between the metal sealing block and the elastic sealing block;
the hanging slip seat is fixedly connected with the bottom end of the connecting pipe through a connecting bolt, the hanging slips are arranged on the inner side of the hanging slip seat and between the continuous pipe cables, the top end of the hanging slips is in contact with the bottom end of the sealing pressing cap, and a slip positioning channel is formed in the hanging slip seat.
2. A coiled tubing string wellhead suspension device as claimed in claim 1 wherein: and a coiled tubing fishing head is arranged at the top end of the middle hole of the coiled tubing cable wellhead hanger body.
3. A coiled tubing string wellhead suspension device as claimed in claim 2 wherein: the lower part of the coiled tubing fishing head is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.
4. A coiled tubing string wellhead suspension device according to claim 3, wherein: the hydraulic control pipeline flow passage penetrates through the lower part of the coiled tubing fishing head.
5. A coiled tubing string wellhead suspension device as claimed in claim 1 wherein: the quantity of hydraulic control pipeline is 2, the quantity of hydraulic control pipeline runner is 2, hydraulic control pipeline runner circumference sets up on the upper portion lateral wall of coiled tubing cable well head hanger body.
6. A coiled tubing string wellhead suspension device as claimed in claim 1 wherein: the power cable plug socket comprises a power cable jack and a power cable plug socket shell, wherein insulating rubber is filled between the power cable jack and the power cable plug socket shell, the power cable jack is connected with a power cable, and an external power cable is connected with the power cable plug socket.
7. A coiled tubing string wellhead suspension device according to claim 6, wherein: the number of the power cable jacks is 3.
8. A coiled tubing string wellhead suspension device according to claim 7, wherein: the number of the power cables is 3, and the power cables are correspondingly connected with the power cable jacks.
9. A coiled tubing string wellhead suspension device as claimed in claim 1 wherein: and a first sealing ring is arranged in the middle of the outer wall of the coiled tubing cable wellhead hanger body.
10. A coiled tubing string wellhead suspension device as claimed in claim 1 wherein: and a second sealing ring is arranged above the connecting thread of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724017.XU CN210317231U (en) | 2019-05-20 | 2019-05-20 | Continuous pipe cable wellhead suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724017.XU CN210317231U (en) | 2019-05-20 | 2019-05-20 | Continuous pipe cable wellhead suspension device |
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| Publication Number | Publication Date |
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| CN210317231U true CN210317231U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920724017.XU Active CN210317231U (en) | 2019-05-20 | 2019-05-20 | Continuous pipe cable wellhead suspension device |
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| CN (1) | CN210317231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
| CN114320231A (en) * | 2020-09-30 | 2022-04-12 | 中国石油天然气股份有限公司 | Method for preventing wax precipitation of production string of gas production well |
| CN114498163A (en) * | 2021-12-28 | 2022-05-13 | 海洋石油工程股份有限公司 | Dynamic seal pressure compensation ROV operation underwater electric connector |
-
2019
- 2019-05-20 CN CN201920724017.XU patent/CN210317231U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
| CN114320231A (en) * | 2020-09-30 | 2022-04-12 | 中国石油天然气股份有限公司 | Method for preventing wax precipitation of production string of gas production well |
| CN114320231B (en) * | 2020-09-30 | 2024-03-26 | 中国石油天然气股份有限公司 | Method for preventing wax deposition of production pipe column of gas production well |
| CN114498163A (en) * | 2021-12-28 | 2022-05-13 | 海洋石油工程股份有限公司 | Dynamic seal pressure compensation ROV operation underwater electric connector |
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