CN219204003U - Combined wellhead cable traversing device - Google Patents
Combined wellhead cable traversing device Download PDFInfo
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- CN219204003U CN219204003U CN202320125197.6U CN202320125197U CN219204003U CN 219204003 U CN219204003 U CN 219204003U CN 202320125197 U CN202320125197 U CN 202320125197U CN 219204003 U CN219204003 U CN 219204003U
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- wellhead
- traversing device
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Abstract
The utility model discloses a combined wellhead cable traversing device, which comprises a wellhead straight plug cable traversing device, a wellhead cable traversing device main body and a ground right-angle elbow plug, wherein the wellhead straight plug cable traversing device main body is connected with the ground right-angle elbow plug; the ground right-angle bent plug is provided with a first jack, and the first pin end can be inserted into the first jack so as to conduct the wellhead straight plug cable traversing device with the ground right-angle bent plug; the wellhead straight plug cable traversing device and the outer shell of the ground right-angle elbow plug are respectively provided with a limit ring, and one side of each limit ring is connected with a connecting flange; the whole traversing device is connected in a connecting mode of dividing the whole traversing device into two sections or three sections; and all be provided with spacing collar and flange on the casing of each section, make its each section all through spacing flange connection to the hanger of christmas tree on, promoted the leakproofness that each section is connected for the stability of whole ware that traverss is stronger, and can ensure to bear high temperature, high pressure and corrosion-resistant performance simultaneously.
Description
Technical Field
The utility model relates to the technical field of cable traversers, in particular to a combined wellhead cable traverser.
Background
During oil recovery, it is common to use well electric pumps installed downhole for transporting crude oil to the surface; the depth of the oil well is about several kilometers, which makes the oil well have quite high oil gas pressure and temperature and corrosiveness; a traverser is designed to provide electrical power to the electric pump, through which cables are fed from the surface into the well, which necessarily requires the traverser to withstand high pressures, temperatures, and corrosivity.
The existing cable traversing device is mainly in integral flange connection, and the cable traversing device is not suitable for being installed and used in specific christmas tree wellhead devices, so that a new cable traversing device which is simple to assemble, high in stability, high in sealing performance and capable of bearing high pressure is needed to be matched with the cable traversing device.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a combined wellhead cable traversing device, so that the stability and the assembly convenience of the traversing device are improved, and meanwhile, the tightness and various performances of bearing high temperature, high pressure and corrosiveness of the traversing device are also improved.
In order to achieve the above object, the present utility model provides a combined wellhead cable traversing device, comprising:
the wellhead straight plug cable traversing device is provided with a first contact pin; and
the ground right-angle bent plug is provided with a first jack, and the first pin end can be inserted into the first jack so as to conduct the wellhead straight plug cable traversing device with the ground right-angle bent plug; the well head straight plug cable crossing device and the outer shell of the ground right angle elbow plug are provided with limiting rings, and one side of each limiting ring is connected with a connecting flange.
According to a preferred embodiment of the present application, the wellhead cable traversing device according to the foregoing further includes a wellhead cable traversing device body, where one end of the wellhead cable traversing device body has a second contact pin, and the other end has a second jack; the wellhead cable traversing device main body is connected between the wellhead straight plug cable traversing device and the ground right-angle elbow plug.
According to the preferred embodiment of the application, the outer shell of the wellhead cable traversing device main body is provided with a limit ring, and one side of the limit ring is connected with a connecting flange.
According to a preferred embodiment of the present application, the second pin is connected to the second jack through a conductive rod, and an insulating sealing layer is filled outside the conductive rod.
According to the preferred embodiment of the application, a sealing body is connected in the outer shell near one end of the second contact pin, and insulating sealing forming is filled in the outer shell near one end of the second jack.
According to a preferred embodiment of the present application, the first pin and the second pin protrude from the outer housing.
According to a preferred embodiment of the present application, the first pin is conducted with the downhole cable through a conductive core bar; and the conductive core rod and the outer part of the underground cable are filled with an insulating sealing layer, and the insulating sealing layer is connected in the outer shell.
According to the preferred embodiment of the application, the first jack comprises an elastic electrode ring, the elastic electrode ring is conducted with a ground cable, and an insulating front connector is connected to the outside of the connection position of the first jack and the ground cable.
According to a preferred embodiment of the application, a sealing body is connected in the outer shell near one end of the first contact pin, and insulating sealing forming is filled in the outer shell near the downhole cable.
According to a preferred embodiment of the present application, a tail clamping ring is connected in the outer housing near one end of the ground cable.
The beneficial effects of the utility model are as follows: based on the technical scheme, the whole traversing device is assembled and connected in two or three sections respectively, the two sections are directly connected with the ground right-angle bent plug through the wellhead straight plug cable traversing device when connected, and the three sections are connected by adding a wellhead cable traversing device main body between the two sections; the whole sections are connected in the connecting mode, so that the precision requirement of parts in the whole assembly process can be reduced, and the convenience of assembly can be improved; and all be provided with spacing collar and flange on the casing of each section, make its each section all through spacing flange connection to the hanger of christmas tree on, promoted the leakproofness that each section is connected for the stability of whole ware that traverss is stronger, and can ensure to bear high temperature, high pressure and corrosion-resistant performance simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 a schematic diagram of a connection of a wellhead cable traversing device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating connection of a wellhead cable traversing device according to another embodiment of the present utility model;
FIG. 3 is a block diagram of the wellhead straight plug cable ride through shown in FIGS. 1 and 2;
FIG. 4 is a block diagram of the wellhead cable ride-through body shown in FIG. 2;
fig. 5 is a block diagram of the ground right angle plug shown in fig. 1 and 2.
In the drawings, a christmas tree 100, a hanger 200, a wellhead straight plug cable penetrator 300, a wellhead cable penetrator body 400, a ground right angle elbow 500, a first pin 301, a sealing body 302,408, an O-ring 303,407,502, insulating tapes 304, 506, a stop collar 305,403,503, a connecting flange 306,404,504, insulating sealing layers 307, 405,507, insulating sealing formations 308,402, downhole cables 309, a second jack 401, a conductive rod 406, a second pin 409, a first jack 501, an insulating front connector 505, a tail ferrule 508, and a ground cable 509.
Detailed Description
Embodiments of the technical scheme of the present utility model 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 utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
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 utility model pertains.
As used herein, the terms "first," "second," and "second" may interchangeably distinguish the locations of components from one another and are not intended to indicate the location or importance of an individual component.
As shown in fig. 1, one embodiment of the present utility model provides a modular wellhead cable traversing device; the well head straight plug cable traversing device 300 and the ground right angle bent plug 500 are included, and one end of the well head straight plug cable traversing device 300 is provided with a first contact pin 301; the ground right angle plug 500 has a first jack 501, and the first pin 301 is inserted into the first jack 501, so as to conduct between the wellhead straight plug cable traversing device 300 and the ground right angle plug 500; the wellhead straight plug cable traversing device 300 and the outer shell of the ground right angle elbow plug 500 are respectively provided with a limit ring 305,503, one side of the limit ring 305,503 is connected with a connecting flange 306,404, so that the wellhead straight plug cable traversing device 300 and the ground right angle elbow plug 500 are respectively connected to the hanger 200 in the christmas tree 100 through the connecting flange 306,404, and the first contact pin 301 protrudes out of the outer shell, so that the first contact pin 301 is exposed outside before being inserted into the first jack 501, and is convenient to assemble.
The outer shell of the wellhead straight plug cable traversing device 300 is of a straight pipe structure, a plurality of O-shaped sealing rings 303 are arranged on the outer shell of the straight pipe structure, so that the connection tightness with the hanger 200 is stronger, a conductive core rod is connected inside the outer shell, and the first contact pin 301 is communicated with a downhole cable 309 through the conductive core rod; an insulating sealing layer 307 is filled outside the conductive core rod and the downhole cable 309, and the insulating sealing layer 307 is connected in the outer shell; a sealing body 302 is connected in the outer shell near one end of the first contact pin 301, and an insulating sealing forming 308 is filled in the outer shell near the underground cable 309; such that both ends are sealed by the sealing body 302 and the insulating seal formation 308.
The outer shell of the ground right-angle elbow plug 500 is of a right-angle tubular structure, a plurality of O-shaped sealing rings 502 are arranged on the outer shell of the outer shell, the first jack 501 in the outer shell comprises an elastic electrode ring, the elastic electrode ring is connected with a ground cable 509, an insulating front connector 505 made of PEEK material is connected to the outside of the connection position of the first jack 501 and the ground cable 509, and the ground cable 509 is electrically connected with power; thereby enabling the downhole electric pump to be energized; a tail clamping ring 508 is connected in the outer shell near one end of the ground cable 509.
The insulating sealing layers 307 and 507 in the embodiment are formed by pouring insulating epoxy glue, insulating tapes 304 and 506 are wound on the outer parts of the connection positions of the cable wires and the pins and the connection positions of the conductive core rods and the cable wires, the insulating performance of the insulating sealing layers can be further improved through the insulating tapes 304 and 506, the sealing body 302 is made of PEEK and is provided with external threads, the end portions are sealed and insulated through the external threads, and the insulating sealing forming 308 is made of neoprene, so that the end portions are stronger in corrosion resistance and tensile resistance.
As shown in fig. 2, another embodiment of the present utility model provides a combined wellhead cable traversing device, which comprises a wellhead straight plug cable traversing device 300, a wellhead cable traversing device main body 400 and a ground right angle elbow plug 500; one end of the wellhead straight plug cable traversing device 300 is provided with a first contact pin 301; the ground right angle elbow plug 500 is provided with a first jack 501, one end of the wellhead cable traversing device main body 400 is provided with a second contact pin 409, and the other end is provided with a second jack 401; the wellhead cable traversing device body 400 is connected between the wellhead straight plug cable traversing device 300 and the ground right angle plug 500; so that the second pin 409 is connected with the first jack 501 to be conducted through the connection of the first pin 301 with the second jack 401; the wellhead straight plug cable penetrator 300, the wellhead cable penetrator body 400 and the outer casing of the ground right angle plug 500 are provided with limit rings 305,403,503, and one side of each limit ring 305,403,503 is connected with a connecting flange 306,404,504, so that the wellhead straight plug cable penetrator 300 and the ground right angle plug 500 are respectively connected to the hanger 200 in the christmas tree 100 through the connecting flange 306,404,504.
The outer shell of the wellhead straight plug cable traversing device 300 is of a straight pipe structure, a plurality of O-shaped sealing rings 303 are arranged on the outer shell of the straight pipe structure, so that the connection tightness with the hanger 200 is stronger, a conductive core rod is connected inside the outer shell, and the first contact pin 301 is communicated with a downhole cable 309 through the conductive core rod; an insulating sealing layer 307 is filled outside the conductive core rod and the downhole cable 309, and the insulating sealing layer 307 is connected in the outer shell; a sealing body 302 is connected in the outer shell near one end of the first contact pin 301, and an insulating sealing forming 308 is filled in the outer shell near the underground cable 309; such that both ends are sealed by the sealing body 302 and the insulating seal formation 308.
The outer shell of the ground right-angle elbow plug 500 is of a right-angle tubular structure, a plurality of O-shaped sealing rings 502 are arranged on the outer shell of the outer shell, the first jack 501 in the outer shell comprises an elastic electrode ring, the elastic electrode ring is connected with a ground cable 509, an insulating front connector 505 made of PEEK material is connected to the outside of the connection position of the first jack 501 and the ground cable 509, and the ground cable 509 is connected with a mains supply; thereby enabling the downhole electric pump to be energized; a tail clamping ring 508 is connected in the outer shell near one end of the ground cable 509.
The outer shell of the wellhead cable traversing device main body 400 is of a straight tubular structure, wherein a plurality of O-shaped sealing rings 407 are connected to the outside of the outer shell, a conducting rod 406 is connected to the inside of the outer shell, a second contact pin 409 is connected with the second jack 401 through the conducting rod 406, and an insulating sealing layer 405 is filled outside the conducting rod 406; a sealing body 408 is connected in the outer shell near one end of the second contact pin 409, and an insulating sealing forming 402 is filled in the outer shell near one end of the second jack 401; the first pin 301 and the second pin 409 protrude from the outer casing; the second insertion hole 401 is an elastic electrode ring.
Insulating sealing layers 307, 405,507 in the embodiment are formed by pouring insulating epoxy glue, insulating tapes 304, 506 are wound on the outer parts of the connection positions of the cable wires and the pins and the connection positions of the conductive core rods and the cable wires, the insulating performance of the insulating sealing layers can be further improved through the insulating tapes 304, 506, the sealing body 302,408 is made of PEEK and is provided with external threads, sealing and insulation of the end portions are achieved through the external threads, and the insulating sealing forming 308,402 is made of neoprene, so that the corrosion resistance and tensile resistance of the end portions are stronger.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model 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 utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. A modular wellhead cable traverser, comprising:
the wellhead straight plug cable traversing device is provided with a first contact pin; and
the ground right-angle bent plug is provided with a first jack, and the first pin end can be inserted into the first jack so as to conduct the wellhead straight plug cable traversing device with the ground right-angle bent plug; the well head straight plug cable crossing device is characterized in that the well head straight plug cable crossing device and the outer shell of the ground right-angle bent plug are provided with limiting rings, and one side of each limiting ring is connected with a connecting flange.
2. The wellhead cable ride-through device of claim 1, wherein: the well head cable traversing device also comprises a well head cable traversing device main body, wherein one end of the well head cable traversing device main body is provided with a second contact pin, and the other end of the well head cable traversing device main body is provided with a second jack; the wellhead cable traversing device main body is connected between the wellhead straight plug cable traversing device and the ground right-angle elbow plug.
3. The wellhead cable ride-through device of claim 2, wherein: the wellhead cable traversing device is characterized in that a limiting ring is arranged on the outer shell of the wellhead cable traversing device main body, and one side of the limiting ring is connected with a connecting flange.
4. The wellhead cable ride-through device of claim 2, wherein: the second contact pin is connected with the second jack through a conductive rod, and an insulating sealing layer is filled outside the conductive rod.
5. A wellhead cable ride-through according to claim 3, wherein: and a sealing body is connected in the outer shell close to one end of the second contact pin, and insulating sealing forming is filled in the outer shell close to one end of the second jack.
6. A wellhead cable ride-through according to claim 3, wherein: the first contact pin and the second contact pin are protruded out of the outer shell.
7. The wellhead cable ride-through device of claim 1, wherein: the first contact pin is communicated with the underground cable through a conductive core rod; and the conductive core rod and the outer part of the underground cable are filled with an insulating sealing layer, and the insulating sealing layer is connected in the outer shell.
8. The wellhead cable ride-through device of claim 1, wherein: the first jack comprises an elastic electrode ring, and the elastic electrode ring is communicated with a ground cable; and an insulating front connector is connected to the outside of the connection position of the first jack and the ground cable.
9. The wellhead cable ride-through device of claim 7, wherein: and a sealing body is connected in the outer shell close to one end of the first contact pin, and insulating sealing forming is filled in the outer shell close to the underground cable line.
10. The wellhead cable ride-through device of claim 8, wherein: and a tail pressing ring is connected in the outer shell close to one end of the ground cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125197.6U CN219204003U (en) | 2023-01-16 | 2023-01-16 | Combined wellhead cable traversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125197.6U CN219204003U (en) | 2023-01-16 | 2023-01-16 | Combined wellhead cable traversing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219204003U true CN219204003U (en) | 2023-06-16 |
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ID=86720355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320125197.6U Active CN219204003U (en) | 2023-01-16 | 2023-01-16 | Combined wellhead cable traversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219204003U (en) |
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2023
- 2023-01-16 CN CN202320125197.6U patent/CN219204003U/en active Active
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