CN114000832B - Wellhead steel pipe cable connector - Google Patents
Wellhead steel pipe cable connector Download PDFInfo
- Publication number
- CN114000832B CN114000832B CN202111232695.2A CN202111232695A CN114000832B CN 114000832 B CN114000832 B CN 114000832B CN 202111232695 A CN202111232695 A CN 202111232695A CN 114000832 B CN114000832 B CN 114000832B
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- cable
- sealing
- steel pipe
- main body
- connector
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 241000191291 Abies alba Species 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 abstract description 3
- 239000004696 Poly ether ether ketone Substances 0.000 abstract description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 abstract description 2
- 229920002530 polyetherether ketone Polymers 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The application discloses a wellhead steel pipe cable connector, which comprises a flange part, a connecting bracket and a cable connector main body; the cable is output from the bottom of the well through the flange part on the christmas tree and then is connected with the main body of the cable connector through the connecting bracket, the output cable port is also connected with a contact pin and a clamping part, the inside of the main body of the cable connector is connected with a plug connector, and the cable connector is connected with the contact pin and the clamping part through the plug connector, so that the tightness and the stability of the cable connection are ensured; the components are connected in a sealing way, and a plurality of sealing insulating layers are arranged in the connector main body, so that the sealing performance and pressure resistance of the connection are further ensured, and the sealing insulating layers are made of PEEK materials and other metal materials, so that the high temperature resistance of the connector is improved; and further, the cable connector has good sealing performance and high-temperature and high-pressure resistance.
Description
Technical Field
The invention relates to the technical field of oil extraction wellhead cable protection, in particular to a wellhead steel tube cable connector.
Background
In petroleum collection operation, a christmas tree is a wellhead device which is commonly arranged in a self-injection well, a mechanical production well and the like and is used for petroleum exploitation, the christmas tree is connected with the casings of all the layers under the well, and the annular space of the casings of all the layers is sealed; with the gradual development of the cable, the steel pipe cable gradually replaces the underground common cable due to the good performance of the steel pipe cable, and how to ensure the transition connection between the steel pipe cable and the common cable to realize effective conduction under high pressure and high temperature becomes a problem to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the wellhead steel pipe cable connector, through which the sealing connection between the steel pipe cable and a common cable is realized, the cable is protected, the sealing performance of wellhead cable connection is improved, and the capacity of bearing pressure and high temperature is improved.
In order to achieve the above purpose, the invention provides a wellhead steel pipe cable connector, which comprises a flange part for a cable to pass through, a connecting bracket with a split structure and a cable connector main body with a split structure; the cable connector body is connected with the flange portion through the connecting support, one end of the flange portion is connected to the Christmas tree, a cable penetrates through the other end of the flange portion and freely stretches out, a contact pin is fixedly connected to the free stretching end of the cable, a clamping portion is connected to the cable close to the contact pin end, a connector is connected in the cable connector body in a sealing mode, and the clamping portion is connected with the connector in a sealing mode and enables the contact pin to be inserted into the connector to be conducted. The steel pipe cable stretches into the cable connector main body through the flange part, is connected with a connecting bracket between the flange part and the cable connector main body, is connected through the connecting bracket, ensures the tightness of the steel pipe cable during transition, is connected with the contact pin on the port of the steel pipe cable, and is connected with the cable connector main body through the contact pin, so that the assembly is more convenient and the smooth connection of the steel pipe cable and a common cable for inputting power is ensured.
Further, the connecting bracket comprises a first connecting bracket, a second connecting bracket and a locking nut, one end of the first connecting bracket is in sealing connection with the flange part, the other end of the first connecting bracket is in sealing connection with one end of the second connecting bracket, the other end of the second connecting bracket is in sealing connection with the cable connector main body, and the locking nut is in threaded connection with the second connecting bracket and fixes the second connecting bracket on the cable connector main body; the split type even of linking bridge makes and allows certain positional deviation when the assembly, has reduced the processing degree of difficulty and has assembled the degree of difficulty.
Further, the cable connector main body comprises a main body upper shell and a main body lower shell, wherein the main body upper shell is in sealing connection with the main body lower shell, and the connector is in sealing connection with the main body upper shell; the split connection of the connector body makes assembly easier.
Further, the connector comprises a connector shell, a conductive torch is arranged in the connector shell, an electrode elastic ring is connected to one end of the conductive cylinder, a conductive torch insert is connected with the conductive cylinder, and the conductive cylinder insert is communicated with the electric energy input cable.
Further, the clamping part comprises a connecting sealing sleeve, a taper sleeve, a sealing insulating sleeve, a taper clamping piece and a clamping joint; the connecting sealing sleeve is in sealing connection with the cable, one end of the connecting sealing sleeve is provided with a conical clamping port, an external thread is processed on the outer wall of the conical clamping port, the other end of the connecting sealing sleeve is provided with a sealing plug end, and an internal thread is processed on the inner wall of a port of the sealing plug end; the taper clamping piece stretches into the taper clamping connector for internal fit, the clamping connector abuts against the taper clamping piece and is fastened with the external thread for matching, one end of the taper sleeve is inserted into the seal inserting end and is in sealing connection with the connecting sealing sleeve, the other end of the taper sleeve is provided with a taper inner cavity, one end of the seal insulating sleeve stretches into the taper inner cavity, and the other end of the seal insulating sleeve extends to the position of the contact pin.
Further, still include the cable locating component of fixed connection on the cable, the cable locating component includes steel pipe sealing device and steel pipe linkage, steel pipe sealing device with flange portion sealing connection, steel pipe linkage next-door neighbour steel pipe sealing device sets up the setting, steel pipe linkage includes a plurality of lock nuts, adjacent be provided with chucking taper sleeve and threaded connection between two adjacent lock nuts between the lock nut, the setting of cable locating component makes the better location of steel pipe cable for cable length selection is more accurate.
Further, the first connecting support and the second connecting support are respectively provided with a pressure test hole, plugs are arranged in the pressure test holes, and the pressure test holes enable tightness tests to be carried out through the pressure test holes, so that tightness of the connector is improved.
Further, the insulating conductive torch is wrapped around the conductive torch and the conductive cylinder insert, so that the conductive cylinder and the conductive cylinder insert are insulated from the outside, a pressing plate is connected to the end face, close to one end of the conductive cylinder insert, of the conductive cylinder through a bolt, and the insulating conductive torch is more stable due to the arrangement of the pressing plate.
Further, the middle sealing molding is filled in the lower shell of the main body; the tail part of the main body lower shell is connected with a tail shell, the tail part of the tail shell is connected with a tail pressing ring, and the middle part of the tail shell is filled with a lower sealing forming layer; the setting of seal molding has guaranteed holistic sealing performance, high temperature resistant and insulating properties.
The beneficial effects of the invention are as follows:
The invention structurally ensures the tightness of the steel pipe cable during output through the connection of the flange part and the christmas tree; and be connected with a linking bridge between connector main part and flange portion, guaranteed stability and the leakproofness of connection through the linking bridge, and be provided with the pressure testing hole on the linking bridge respectively, carry out the leakproofness test through pressure testing hole joinable pressure testing equipment, further ensured the leakproofness that the cable both ends are connected.
A cable positioning assembly is adopted on the steel pipe cable line, and a clamping part is connected to a port of the steel pipe cable; the positioning assembly is used for positioning the steel pipe cable, positioning reference is provided for accurately connecting the contact pin with the cable connecting main body, and the connection accuracy is ensured; the arrangement of the clamping part ensures the tightness of the cable inserted into the cable connector main body.
The connector is connected in the cable connector main body, the connector is connected with the contact pin of the steel pipe cable in an inserting mode, so that assembly is more convenient, the sealing connection between the connector and the main body is further filled with the insulating conductive torch, insulating layers are filled in the upper shell and the lower shell of the main body, the insulating performance of the whole connection is guaranteed, and the safety of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is an assembly view of a steel pipe cable connector according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the steel pipe cable connector shown in FIG. 1;
FIG. 3 is a diagram showing an assembled structure of a connection bracket and a cable connector body according to the present invention;
fig. 4 is a schematic structural view of a clamping portion provided by the present invention;
fig. 5 is a schematic structural diagram of a cable positioning assembly according to the present invention.
In the drawings, a christmas tree 100, a flange part 200, a connecting bracket 300, a first connecting bracket 301, a plug 302, a pressure test hole 303, a second connecting bracket 304, a lock nut 305, a cable connector body 400, a body upper housing 401, a body lower housing 402, a middle sealing molding layer 403, a lower sealing molding layer 404, a tail housing 405, a tail clamping ring 406, a steel tube cable 500, a clamping head 501, a connecting sealing sleeve 502, a taper sleeve 503, a sealing insulating sleeve 504, a pin 505, a steel tube sealing device 506, a steel tube hanging device 507, a clamping taper sleeve 508, an electric energy input cable 600, a connector 700, a connector housing 701, a conductive cylinder 702, an insulating conductive cylinder 703, an electrode elastic ring 704, a conductive cylinder insert 705, and a pressing plate 706.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
As shown in fig. 1-2, one embodiment of the present invention is: the well head steel pipe cable 500 connector comprises a flange part 200 for a cable to pass through, a connecting bracket 300 and a cable connector main body 400, wherein the flange part 200 comprises an upper flange and a lower flange, the upper flange is connected with the lower flange through bolts, one end of the upper flange is connected to the Christmas tree 100 through taper threads, and the steel pipe cable 500 extends out of the lower flange through the upper flange; the cable connector main body 400 is connected with the flange part 200 through the connecting bracket 300, a pin 505 is fixedly connected to the free extending end of the cable, a clamping part is connected to the cable close to the pin 505 end, a connector 700 is connected in the cable connector main body 400 in a sealing way, and the clamping part is connected with the connector 700 in a sealing way and enables the pin 505 to be inserted into the connector 700 to realize conduction; the connecting bracket 300 comprises a first connecting bracket 301, a second connecting bracket 304 and a locking nut 305, wherein one end of the first connecting bracket 301 is in sealing connection with the flange part 200, the other end of the first connecting bracket 301 is in sealing connection with one end of the second connecting bracket 304, the other end of the second connecting bracket 304 is in sealing connection with the cable connector main body 400, and the locking nut 305 is in threaded connection with the second connecting bracket 304 and fixes the second connecting bracket 304 on the cable connector main body 400; pressure test holes 303 are respectively processed on the first connecting bracket and the second connecting bracket, and plugs 302 are arranged in the pressure test holes 303; the arrangement of the pressure test hole 303 enables the air tightness test to be performed through external pressure test equipment, the tightness of connection is guaranteed, the split type connection of the connecting support 300 enables certain position deviation to be allowed during assembly, machining difficulty and assembly difficulty to be reduced, the sealing connection is realized through an O-shaped sealing ring or an O-shaped sealing ring combined with a check ring, the check ring and the O-shaped sealing ring are combined, the sealing connection between the second connecting support 304 and the cable connector main body 400 is comprised, and the check ring is arranged to provide higher pressure bearing capacity.
In the above embodiment, the steel pipe cable 500 extends into the cable connector main body 400 through the flange portion 200, a connection bracket 300 is connected between the flange portion 200 and the cable connector main body 400, and the connection bracket 300 is connected together, so that the tightness of the steel pipe cable 500 during transition is ensured, and the port of the steel pipe cable 500 is connected with the contact pin 505, and the steel pipe cable 500 is connected with the cable connector main body 400 through the contact pin 505, so that the assembly is more convenient and the smooth connection of the steel pipe cable 500 and a common cable for inputting electric power is ensured.
In further foregoing embodiments, as shown in fig. 3, the cable connector body 400 includes a body upper housing 401 and a body lower housing 402, the body upper housing 401 is connected with the body lower housing 402 in a sealing manner, and the connector 700 is connected in the body upper housing 401 in a sealing manner; the middle sealing forming layer 403 is filled in the main body lower shell 402, the blocking portion sealing forming layer is made of high-temperature epoxy materials, a tail shell 405 is connected to the tail of the main body lower shell 402, a tail pressing ring 406 is connected to the tail of the tail shell 405, the middle of the tail shell 405 is filled with the lower sealing forming layer 404, the lower sealing forming layer 404 is made of AFLAS materials, and the cable connector main body 400 is split-type, so that assembly difficulty is reduced, and machining difficulty of parts is reduced.
In the above embodiment, the connector 700 includes a housing 701, a conductive tube 702 is disposed in the housing 701, an electrode elastic ring 704 is connected to one end of the conductive tube 702, a conductive tube insert 705 is connected to the conductive tube 702, the conductive tube insert 705 is communicated with the power input cable 600, and the connector 700 is designed separately, so that the connection stability with the cable pin 505 is ensured, and the processing difficulty and the assembly difficulty are reduced.
In further foregoing embodiments, as shown in fig. 4, the clamping portion includes a connecting sealing sleeve 502, a taper sleeve 503, a sealing insulating sleeve 504, a taper clamping member and a clamping joint 501; the connecting sealing sleeve 502 is in sealing connection with the cable, one end of the connecting sealing sleeve 502 is provided with a conical clamping port, an external thread is processed on the outer wall of the conical clamping port, the other end of the connecting sealing sleeve 502 is provided with a sealing plug end, and an internal thread is processed on the inner wall of a port of the sealing plug end; the taper clamping piece stretches into the taper clamping interface to be matched with the taper clamping piece, the clamping connector 501 abuts against the taper clamping piece and is matched and fastened with the external thread, one end of the taper sleeve 503 is inserted into the seal inserting end to be connected with the connecting seal sleeve 502 in a sealing mode, the other end of the taper sleeve 503 is provided with a taper inner cavity, one end of the seal insulating sleeve 504 stretches into the taper inner cavity, and the other end of the seal insulating sleeve 504 stretches to the position of the contact pin 505; the arrangement of the clamping part ensures the tightness and the insulation performance of the position of the contact pin 505 of the steel pipe cable 500, and the connection stability of the clamping part and the connector 700 is ensured by the connection of the clamping part and the connector 700.
In the above embodiment, as shown in fig. 5, the cable positioning assembly is further provided with a cable positioning assembly fixedly connected to the cable, the cable positioning assembly includes a steel pipe sealing device 506 and a steel pipe hanging device 507, the steel pipe sealing device 506 is in sealing connection with the flange portion 200, the steel pipe hanging device 507 is disposed adjacent to the steel pipe sealing device 506, the steel pipe hanging device 507 includes a plurality of locking nuts, a clamping taper sleeve 508 is disposed between the adjacent locking nuts, and the adjacent two locking nuts are in threaded connection, and as the steel pipe cable 500 directly extends out through the flange portion 200, the problem of different distances is unavoidable in the extending section, and the positioning assembly is limited with the flange portion 200 through the arrangement of the cable positioning assembly, so that the accurate control of the cable length is ensured, and the stability of the plug connection of the cable is further improved.
In the above embodiment, the insulating conductive tube 703 is wrapped around the conductive tube 702 and the conductive tube insert 705, where the insulating conductive tube 703 is made of PEEK, so that the conductive tube 702 and the conductive tube insert 705 are insulated from the outside, and the end surface of the conductive tube 702 near one end of the conductive tube insert 705 is connected with a pressing plate 706 through a bolt, where the insulating conductive tube 703 is arranged to form an insulating layer around the conductive tube 702, so as to ensure the insulating performance of communication.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The utility model provides a well head steel pipe cable connector which characterized in that: the cable connector comprises a flange part for a cable to pass through, a connecting bracket with a split structure and a cable connector main body with a split structure; the cable connector main body is connected with the flange part through the connecting bracket, one end of the flange part is connected to the Christmas tree, a cable penetrates through the other end of the flange part and freely stretches out, a contact pin is fixedly connected to the free stretching end of the cable, a clamping part is connected to the cable close to the contact pin, a connector is connected in the cable connector main body in a sealing manner, and the clamping part is connected with the connector in a sealing manner and enables the contact pin to be inserted into the connector to realize conduction;
The connecting bracket comprises a first connecting bracket, a second connecting bracket and a locking nut, one end of the first connecting bracket is in sealing connection with the flange part, the other end of the first connecting bracket is in sealing connection with one end of the second connecting bracket, the other end of the second connecting bracket is in sealing connection with the cable connector main body, and the locking nut is in threaded connection with the second connecting bracket and fixes the second connecting bracket on the cable connector main body;
the cable connector main body comprises a main body upper shell and a main body lower shell, wherein the main body upper shell is in sealing connection with the main body lower shell, and the connector is in sealing connection with the main body upper shell;
The connector comprises a connector shell, a conductive torch is arranged in the connector shell, an electrode elastic ring is connected to one end of the conductive torch, a conductive torch insert is further connected to the conductive torch, and the conductive torch insert is communicated with an electric energy input cable.
2. A wellhead steel pipe cable connector according to claim 1, wherein: the clamping part comprises a connecting sealing sleeve, a taper sleeve, a sealing insulating sleeve, a taper clamping piece and a clamping joint; the connecting sealing sleeve is in sealing connection with the cable, one end of the connecting sealing sleeve is provided with a conical clamping port, an external thread is processed on the outer wall of the conical clamping port, the other end of the connecting sealing sleeve is provided with a sealing plug end, and an internal thread is processed on the inner wall of a port of the sealing plug end; the taper clamping piece stretches into the taper clamping connector for internal fit, the clamping connector abuts against the taper clamping piece and is fastened with the external thread for matching, one end of the taper sleeve is inserted into the seal inserting end and is in sealing connection with the connecting sealing sleeve, the other end of the taper sleeve is provided with a taper inner cavity, one end of the seal insulating sleeve stretches into the taper inner cavity, and the other end of the seal insulating sleeve extends to the position of the contact pin.
3. A wellhead steel pipe cable connector according to claim 1, wherein: the cable positioning assembly is fixedly connected to the cable and comprises a steel pipe sealing device and a steel pipe hanging device, the steel pipe sealing device is in sealing connection with the flange portion, the steel pipe hanging device is closely adjacent to the steel pipe sealing device, the steel pipe hanging device comprises a plurality of locking nuts, and a clamping taper sleeve is arranged between every two adjacent locking nuts and is in threaded connection with each other.
4. A wellhead steel pipe cable connector according to claim 1, wherein: the first connecting support and the second connecting support are respectively provided with a pressure test hole, and plugs are arranged in the pressure test holes.
5. A wellhead steel pipe cable connector according to claim 1, wherein: the insulating conductive torch is wrapped around the conductive cylinder and the conductive cylinder insert, so that the conductive cylinder and the conductive cylinder insert are insulated from the outside, and a pressing plate is connected to the end face of the conductive cylinder, which is close to one end of the conductive cylinder insert, through a bolt.
6. A wellhead steel pipe cable connector according to claim 1, wherein: the middle sealing forming layer is filled in the lower shell of the main body.
7. A wellhead steel pipe cable connector according to claim 1, wherein: the tail of the main body lower shell is connected with a tail shell, the tail of the tail shell is connected with a tail pressing ring, and the middle of the tail shell is filled with a lower sealing forming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232695.2A CN114000832B (en) | 2021-10-22 | Wellhead steel pipe cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232695.2A CN114000832B (en) | 2021-10-22 | Wellhead steel pipe cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114000832A CN114000832A (en) | 2022-02-01 |
| CN114000832B true CN114000832B (en) | 2024-06-07 |
Family
ID=
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB790428A (en) * | 1955-02-18 | 1958-02-12 | Light & Power Accessories Comp | A cable grip or gland for electrical fittings |
| CA2159448A1 (en) * | 1993-04-29 | 1994-11-10 | Boyd B. Moore | Seal Electrical Conductor Arrangement for Use with a Well Bore in Hazardous Areas |
| WO2008113026A1 (en) * | 2007-03-15 | 2008-09-18 | Schlumberger Canada Limited | Connector assembly for use with an electrical submersible component in a deepwater environment |
| CN201699356U (en) * | 2009-12-16 | 2011-01-05 | 重庆昌瑞电器制造有限公司 | Cable penetration device |
| US7955105B2 (en) * | 2006-06-30 | 2011-06-07 | Vetco Gray Scandinavia As | Connector arrangement with penetrator in a submersible electrical assembly |
| CN109713508A (en) * | 2018-12-21 | 2019-05-03 | 重庆昌瑞电器制造有限公司 | Conductive tube glue injection type underground straight inserting head |
| CN209692259U (en) * | 2019-05-30 | 2019-11-26 | 张超 | A kind of casing flutter valve is pierced by formula wellhead cable penetrating device |
| CN110649423A (en) * | 2019-11-26 | 2020-01-03 | 上海临希智能科技有限公司 | Three-section type underwater cable passing mechanism for underground electric submersible pump |
| CN214412172U (en) * | 2021-02-07 | 2021-10-15 | 重庆昌瑞电器制造有限公司 | Wellhead cable penetration device for inclined cable hole |
| CN216341947U (en) * | 2021-10-22 | 2022-04-19 | 重庆昌瑞电器制造有限公司 | Wellhead steel pipe cable connector |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB790428A (en) * | 1955-02-18 | 1958-02-12 | Light & Power Accessories Comp | A cable grip or gland for electrical fittings |
| CA2159448A1 (en) * | 1993-04-29 | 1994-11-10 | Boyd B. Moore | Seal Electrical Conductor Arrangement for Use with a Well Bore in Hazardous Areas |
| US7955105B2 (en) * | 2006-06-30 | 2011-06-07 | Vetco Gray Scandinavia As | Connector arrangement with penetrator in a submersible electrical assembly |
| WO2008113026A1 (en) * | 2007-03-15 | 2008-09-18 | Schlumberger Canada Limited | Connector assembly for use with an electrical submersible component in a deepwater environment |
| CN201699356U (en) * | 2009-12-16 | 2011-01-05 | 重庆昌瑞电器制造有限公司 | Cable penetration device |
| CN109713508A (en) * | 2018-12-21 | 2019-05-03 | 重庆昌瑞电器制造有限公司 | Conductive tube glue injection type underground straight inserting head |
| CN209692259U (en) * | 2019-05-30 | 2019-11-26 | 张超 | A kind of casing flutter valve is pierced by formula wellhead cable penetrating device |
| CN110649423A (en) * | 2019-11-26 | 2020-01-03 | 上海临希智能科技有限公司 | Three-section type underwater cable passing mechanism for underground electric submersible pump |
| CN214412172U (en) * | 2021-02-07 | 2021-10-15 | 重庆昌瑞电器制造有限公司 | Wellhead cable penetration device for inclined cable hole |
| CN216341947U (en) * | 2021-10-22 | 2022-04-19 | 重庆昌瑞电器制造有限公司 | Wellhead steel pipe cable connector |
Non-Patent Citations (1)
| Title |
|---|
| 一种新型井下电缆湿式对接装置的研制与应用;山金城等;钻采工艺;20210131;第44卷(第1期);99-101 * |
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