CN201851062U - High-pressure wellhead cable sealer - Google Patents
High-pressure wellhead cable sealer Download PDFInfo
- Publication number
- CN201851062U CN201851062U CN2010206267808U CN201020626780U CN201851062U CN 201851062 U CN201851062 U CN 201851062U CN 2010206267808 U CN2010206267808 U CN 2010206267808U CN 201020626780 U CN201020626780 U CN 201020626780U CN 201851062 U CN201851062 U CN 201851062U
- Authority
- CN
- China
- Prior art keywords
- cable
- copper core
- urceolus
- casing
- cable connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002788 crimping Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000003129 oil well Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Gas Or Oil Filled Cable Accessories (AREA)
Abstract
The utility model relates to an oil and natural gas engineering field especially about a high pressure well head cable seal ware, one side of urceolus with protect a section of thick bamboo and cup joint, the cable connection head is connected with the one end of copper core subassembly in the pit, the ground cable connection head is connected with the other end of copper core subassembly, in the urceolus was arranged in to the cable connection head in the pit, the ground cable connection head was arranged in and is protected a section of thick bamboo. Through the embodiment of the utility model provides a, satisfy the production requirement of oil well, be difficult to take place oil gas leakage problem, reduced the risk and the degree of difficulty of connecting the well head cable simultaneously, made things convenient for the operation that connects, tear open the cable.
Description
Technical field
The utility model relates to the Oil and Natural Gas Engineering field, particularly about a kind of high-pressure well mouth cable seal device.
Background technology
Oil pipe electrical heating oil production technology technology is applied in the oil field, Shenyang at present, and what the cable seal mode of oil pipe electrical heating oil well was had an appointment 2/3 employing is electric pump well head cable seal mode, and its shortcoming is that voltage withstand class is low, has only 6MPa; What in addition the oil well that 1/3 casing pressure is high adopted is sleeve pipe cable sealing means, is characterized in the voltage withstand class height, can reach 25MPa, but need increase the risk and the difficulty of connection well head cable at seated tubing hanger tubing string of handling more later on when connecting the well head cable; Urceolus and copper core assembly be connected to screwed connection, cause loosening that the copper core is connected with cable during connection easily.
Chinese patent application 200720025841.3 discloses a kind of " oil well cable seal device ", the cable seal device that uses when the prior art adopts electric pump well head cable seal mode.Its technical scheme is: be provided with the cable duct on hanger body, outermost end in the cable duct is equipped with sealing mat, sealing mat is outer to have pressing plate by bolt, be provided with a plurality of cable aperture in the middle of the pressing plate, many cables therefrom pass, the top in described cable duct is a cone shape, and described sealing mat is the branch body structure that has a plurality of cable aperture, and matches with the cone in cable duct.Sealing mat is expanding and contraction under the effect of pressing plate, thereby has reached the sealing fully of cable passage.But because the influence of cable itself heating when being sent electricity, it seals lower grade.
Chinese patent application 200420115256.9 discloses a kind of " a kind of high-pressure well mouth electric wire connecting junction ", the cable seal device that uses when being available technology adopting sleeve pipe cable sealing means.Be characterized in guaranteeing that cable and well head have under the prerequisite of good insulation, become the double seal mode of crush seal mode into the threaded engagement rubber sealing, thereby sealing intensity improves greatly, actual measurement can reach 65MPa, can effectively prevent oil, gas, water leakage phenomenon, avoid accidents such as initiation fire.The press seal type cable seal device that can substitute is fully applied in the oil field.But need increase the risk and the difficulty of connection well head cable at seated tubing hanger tubing string of handling more later on when connecting the well head cable; And urceolus and copper core assembly be connected to screwed connection, cause loosening that the copper core is connected with cable during connection easily.
The utility model content
The utility model embodiment provides a kind of high-pressure well mouth cable seal device in order to solve in the prior art in the problem of well head stube cable complicated operation, comprises urceolus, downhole cable connector, copper core assembly, land cable connector, casing; One side of described urceolus and described casing socket, described downhole cable connector is connected with an end of described copper core assembly, described land cable connector is connected with the other end of described copper core assembly, described downhole cable connector places in the described urceolus, and described land cable connector places in the described casing.
According to a further aspect of a kind of high-pressure well mouth cable seal device of the utility model embodiment, the opposite side of described urceolus is connected with the well head four-way junction of casing, and downhole cable is connected with described downhole cable connector in the inside of described urceolus.
According to another further aspect of a kind of high-pressure well mouth cable seal device of the utility model embodiment, described land cable connector is in described casing, and land cable is connected with described land cable connector in the inside of described casing.
According to another further aspect of a kind of high-pressure well mouth cable seal device of the utility model embodiment, described urceolus and copper core assembly are tightly connected.
According to another further aspect of a kind of high-pressure well mouth cable seal device of the utility model embodiment, described copper core assembly is fixed between described urceolus and the casing, and described copper core assembly is equipped with cap by crimping and is connected with described urceolus.
Another further aspect according to a kind of high-pressure well mouth cable seal device of the utility model embodiment, described copper core assembly comprises copper core, electric insulating sealant and seal, described seal is connected with described crimping cap preparation thread, and described electric insulating sealant is connected described copper core with described seal.
By embodiment of the present utility model, satisfy the production requirement of oil well, be not easy to take place the oil and gas leakage problem, reduced the risk and the difficulty that connect the well head cable simultaneously, made things convenient for the operation that connects, tears open cable.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1 shows that a kind of high-pressure well mouth cable seal of the utility model embodiment device structural representation.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Be illustrated in figure 1 as a kind of high-pressure well mouth cable seal of the utility model embodiment device structural representation.
Comprise urceolus 101, downhole cable connector 102, copper core assembly 103, land cable connector 104, casing 105.
One side of described urceolus 101 and 105 sockets of described casing, described downhole cable connector 102 is connected with an end of described copper core assembly 103, described land cable connector 104 is connected with the other end of described copper core assembly 103, described downhole cable connector 102 places in the described urceolus 101, and described land cable connector 104 places in the described casing 105.
As an embodiment of the present utility model, the opposite side of described urceolus 101 is connected with the well head four-way junction of casing, and described downhole cable is connected with described downhole cable connector 102 in the inside of described urceolus 101.Described land cable connector 102 is in described casing 105, and described land cable is connected with described land cable connector 104 in the inside of described casing 105.
As an embodiment of the present utility model, described urceolus 101 is tightly connected with copper core assembly 103, can be used for oil pipe electrical heating oil well like this and other need carry out the oil well that high pressure sealing is connected to ground with downhole cable, can effectively prevent oil, gas, water leakage phenomenon, avoid accidents such as initiation fire.
As an embodiment of the present utility model, described copper core assembly 103 is fixed between described urceolus 101 and the casing 105, described copper core assembly 103 is connected with described urceolus 101 insulation, and described copper core assembly 103 is equipped with cap 106 by crimping and is connected with described urceolus 101.Described copper core assembly comprises copper core 1031, electric insulating sealant 1032 and seal 1033, and described seal 1033 is equipped with cap 106 with described crimping and is threaded, and described electric insulating sealant 1032 is connected described copper core 1031 with described seal 1033.
As an embodiment of the present utility model, described land cable connector 104 is used for being connected with land cable, just the downhole cable in land cable and the tubing and casing annular space is connected together, and has guaranteed the sealing of tubing and casing annular space simultaneously.
By as above design, described downhole cable connector 102 places in the described urceolus 101 and can connect downhole cable on the ground easily, need reduce to connect the risk and the difficulty of well head cable in the later situation of a tubing string of handling again of seated tubing hanger when avoiding connecting the well head cable.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. a high-pressure well mouth cable seal device is characterized in that,
Comprise urceolus, downhole cable connector, copper core assembly, land cable connector, casing;
One side of described urceolus and described casing socket, described downhole cable connector is connected with an end of described copper core assembly, described land cable connector is connected with the other end of described copper core assembly, described downhole cable connector places in the described urceolus, and described land cable connector places in the described casing.
2. a kind of high-pressure well mouth cable seal device according to claim 1 is characterized in that the opposite side of described urceolus is connected with the well head four-way junction of casing, and downhole cable is connected with described downhole cable connector in the inside of described urceolus.
3. a kind of high-pressure well mouth cable seal device according to claim 1 is characterized in that, described land cable connector is in described casing, and land cable is connected with described land cable connector in the inside of described casing.
4. a kind of high-pressure well mouth cable seal device according to claim 1 is characterized in that described urceolus and copper core assembly are tightly connected.
5. a kind of high-pressure well mouth cable seal device according to claim 1 is characterized in that described copper core assembly is fixed between described urceolus and the casing, and described copper core assembly is equipped with cap by crimping and is connected with described urceolus.
6. a kind of high-pressure well mouth cable seal device according to claim 5, it is characterized in that, described copper core assembly comprises copper core, electric insulating sealant and seal, and described seal is connected with described crimping cap preparation thread, and described electric insulating sealant is connected described copper core with described seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206267808U CN201851062U (en) | 2010-11-25 | 2010-11-25 | High-pressure wellhead cable sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206267808U CN201851062U (en) | 2010-11-25 | 2010-11-25 | High-pressure wellhead cable sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851062U true CN201851062U (en) | 2011-06-01 |
Family
ID=44093461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206267808U Expired - Lifetime CN201851062U (en) | 2010-11-25 | 2010-11-25 | High-pressure wellhead cable sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300221A (en) * | 2016-09-30 | 2017-01-04 | 中国石油天然气股份有限公司 | Underground steel pipe cable connector |
-
2010
- 2010-11-25 CN CN2010206267808U patent/CN201851062U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300221A (en) * | 2016-09-30 | 2017-01-04 | 中国石油天然气股份有限公司 | Underground steel pipe cable connector |
| CN106300221B (en) * | 2016-09-30 | 2018-03-13 | 中国石油天然气股份有限公司 | Underground steel pipe cable connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |