CN106300221B - A kind of underground steel pipe type cable adapter - Google Patents
A kind of underground steel pipe type cable adapter Download PDFInfo
- Publication number
- CN106300221B CN106300221B CN201610872576.6A CN201610872576A CN106300221B CN 106300221 B CN106300221 B CN 106300221B CN 201610872576 A CN201610872576 A CN 201610872576A CN 106300221 B CN106300221 B CN 106300221B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- cable
- pipe type
- type cable
- continued access
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/1806—Heat shrinkable sleeves
Landscapes
- Gasket Seals (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides a kind of underground steel pipe type cable adapter, including first end sealing structure, the second end sealing structure, continued access cylinder and heat-resistant fireproof heat-shrink tube;Wherein, first end sealing structure and continued access cylinder are inserted in the first steel pipe type cable successively, and the first steel pipe type cable is passed continued access cylinder;Second end sealing structure and heat-resistant fireproof heat-shrink tube are inserted in the second steel pipe type cable successively, and the second steel pipe type cable is passed heat-resistant fireproof heat-shrink tube;First steel pipe type cable and the second steel pipe type cable are welded together, and heat-resistant fireproof heat-shrinkable T bush is moved at cable welding, shrinks it heating of heat-resistant fireproof heat-shrinkable T bush and is wrapped in outside the steel pipe of the first steel pipe type cable and the second steel pipe type cable;Continued access cylinder is moved into weld, is formed and sealed with the steel pipe and continued access cylinder of the first steel pipe type cable respectively by first end sealing structure, and is formed and sealed with the steel pipe and continued access cylinder of the second steel pipe type cable respectively by the second end sealing structure.The present invention is protected using triple seal.
Description
Technical field
The present invention relates to oil-gas exploration and development technical field, more particularly to a kind of underground for being used to carry out steel pipe type cable continued access
Steel pipe type cable adapter.
Background technology
This part is it is intended that the embodiments of the present invention stated in claims provide background or context.Herein
Description recognizes it is prior art not because not being included in this part.
Because current domestic HTHP Oil/gas Well, complex structural well, sea and beach sea oil gas field, horizontal well increase,
Severe oil reservoir situation and environmental condition are constantly challenged to conventional completed well mode.Work as simultaneously and enter high water-cut stage exploitation rank
Duan Yihou, it is necessary to take high watercut layer water blockoff measure, and exploit low water-bearing layer, to reach water and oil control, volume increase puies forward effect
Purpose.In the case of current low oil price, the monitoring and control that becomes more meticulous is carried out with greater need for oil-gas mining overall process, so as to send out in time
Existing problem, adjustment offtake strategy, lifting oil field modern management is horizontal, uses manpower and material resources sparingly, and reduces production cost, final to realize
The high-efficiency mining of the lower Oil/gas Well of low cost.Intelligent well completion, seperated layer water injection survey what the technologies such as tune exactly proposed in this context,
Two kinds of technologies are all to carry out real-time monitoring to the flow regime of downhole fluid by tripping in intelligent switch instrument, pass through tripping in electronics
Formula or optical fiber sensor are acquired monitoring to data such as the temperature, pressure and flow of underground.
It is more at present that intelligent switch instrument and sensor are powered using down-hole battery, but measurement frequency and duration are by electricity
The restriction in pond life-span so that the underground work life-span of instrument and survey adjust efficiency all relatively low.And it can be carried out simultaneously using steel pipe type cable
Survey and adjust the transmission of signal and underground power supply used, substantially increase the underground work time of instrument, while survey and adjust efficiency also higher, therefore
The control of cable formula will be following technology trends.For that purpose it is necessary to solves the integrity problem of downhole cable continued access first, especially
It is that the reliability that the high-temperature of underground, high pressure seal to cable continued access proposes higher requirement in the case of big well depth.
The content of the invention
The purpose of the present invention is to propose to one kind to design simple, the reliable underground steel pipe type cable adapter of sealing, to realize
Oil/gas Well automation, become more meticulous provides basic technology guarantee with high-efficiency mining.
In order to achieve the above object, a kind of underground steel pipe type cable adapter of proposition of the embodiment of the present invention, including first end are close
Seal structure, the second end sealing structure, continued access cylinder and heat-resistant fireproof heat-shrink tube;Wherein, by the first end sealing structure and institute
State continued access cylinder and be inserted in the first steel pipe type cable successively, and first steel pipe type cable is passed the continued access cylinder;By second end
Sealing structure and the heat-resistant fireproof heat-shrink tube are inserted in the second steel pipe type cable successively, and second steel pipe type cable is passed institute
State heat-resistant fireproof heat-shrink tube;First steel pipe type cable and the second steel pipe type cable are welded together, and by the high temperature resistant
Fire retardant thermal shrinkage sleeve pipe is moved at cable welding, is shunk it heat-resistant fireproof heat-shrinkable T bush heating and is wrapped in described the
Outside the steel pipe of one steel pipe type cable and second steel pipe type cable;The continued access cylinder is moved into the weld, passes through described
One end sealing structure forms with the steel pipe of first steel pipe type cable and the continued access cylinder seal respectively, and passes through second end
Sealing structure forms with the steel pipe of second steel pipe type cable and the continued access cylinder seal respectively.
Further, in a preferred embodiment, the first end sealing structure includes the first cable sealed joint, the first pressure
Ring, the first rubber seal and the first baffle ring;By first cable sealed joint, the first pressure ring, the first rubber seal,
First baffle ring and the continued access cylinder are inserted in first steel pipe type cable successively;Wherein, the continued access cylinder moves to the cable welding
Place, formed and sealed with the steel pipe of first steel pipe type cable and the continued access cylinder respectively by the first end sealing structure, tool
Body includes:First cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with described first
Cable sealed joint is screwed into, and first pressure ring is extruded first rubber seal, the rubber seal hair
Change shape, is sealed so as to be formed with the steel pipe of first steel pipe type cable and the continued access cylinder, first cable seal is connect
Nut on head is tightened, and is tight contacted between with the steel pipe of first steel pipe type cable, so as to the steel pipe with first steel pipe type cable
Metal sealing is formed, and the steel pipe of first steel pipe type cable is promptly fixed;First baffle ring is used to fix described first
The position of rubber seal.
Further, in a preferred embodiment, when the nut on first cable sealed joint is tightened, described
Ferrule structure and the steel pipe of first steel pipe type cable inside one cable sealed joint tight contact between.
Further, in a preferred embodiment, second end sealing structure includes the second cable sealed joint, the second pressure
Ring, the second rubber seal and the second baffle ring;By second cable sealed joint, the second pressure ring, the second rubber seal,
Second baffle ring and the heat-resistant fireproof heat-shrinkable T bush are inserted in second steel pipe type cable successively;Wherein, the continued access cylinder moves to
At the cable welding, pass through second end sealing structure steel pipe with second steel pipe type cable and the continued access cylinder respectively
Sealing is formed, is specifically included:Second cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with
Being screwed into for second cable sealed joint, second pressure ring is extruded second rubber seal, the rubber
Glue sealing ring deforms, and is sealed so as to be formed with the steel pipe of second steel pipe type cable and the continued access cylinder, by described second
Nut on cable sealed joint is tightened, and is tight contacted between with the steel pipe of second steel pipe type cable, so as to second steel pipe
The steel pipe of cable forms metal sealing, and the steel pipe of second steel pipe type cable is promptly fixed;Second baffle ring is used for solid
The position of fixed second rubber seal.
Further, in a preferred embodiment, when the nut on second cable sealed joint is tightened, described
Ferrule structure and the steel pipe of second steel pipe type cable inside two cable sealed joints tight contact between.
Further, in a preferred embodiment, the continued access cylinder is provided with the ledge structure for being easy to spanner to clamp.
Further, in a preferred embodiment, high-temperature insulation adhesive tape is tied with the cable welding.
Further, in a preferred embodiment, the material of the continued access cylinder is stainless steel.
Further, in a preferred embodiment, the material of first cable sealed joint and the second cable sealed joint
For stainless steel, indoor design has ferrule structure, and the ferrule structure tight contacts between with steel pipe in the case of tightening, and it is close to form metal
Envelope, and the steel pipe is formed and firmly grasps fixation.
Further, in a preferred embodiment, the material of first pressure ring and the second pressure ring is stainless steel.
The underground steel pipe type cable adapter of the embodiment of the present invention, using cable sealed joint, rubber seal and high temperature resistant
Fire retardant thermal shrinkage tube has carried out triple seal protection to cable continued access, and wherein cable sealed joint is formed with steel pipe and continued access cylinder respectively
Metal sealing, rubber seal deform also to be formed with steel pipe and continued access cylinder respectively under squeezing action and sealed, high temperature resistant resistance
Heat-shrink tube is fired as sealing of the rise of temperature to steel pipe type cable is also more close, therefore by the collective effect of triple seal,
The reliability of cable continued access sealing when ensure that down-hole high pressure power high-temperature in the case of big well depth.Adapter has structure simple simultaneously
Singly, the features such as being easy to on-site cable continued access to operate, the protection to cable continued access is also more reliable.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the underground steel pipe type cable adapter of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Below with reference to the principle and spirit of some representative embodiments of the present invention, in detail the explaination present invention.
The high pressure resistant high-temperature steel tube cable adapter in underground involved in the present invention is used for used in oil well or water injection well
Underground steel pipe type cable carries out continued access, by optimization design adapter structure, solves down-hole high pressure power high temperature in the case of big well depth
Cable continued access seals insecure problem when spending, while adapter has simple in construction, is easy to the spies such as on-site cable continued access operation
Point, the protection to cable continued access are more reliable.
Fig. 1 is the structural representation of the underground steel pipe type cable adapter of the embodiment of the present invention.As shown in figure 1, including:First
Hold sealing structure, the second end sealing structure, continued access cylinder and heat-resistant fireproof heat-shrink tube.
Wherein, the first end sealing structure and the continued access cylinder are inserted in the first steel pipe type cable successively, and make described
One steel pipe type cable passes the continued access cylinder;
Second end sealing structure and the heat-resistant fireproof heat-shrink tube are inserted in the second steel pipe type cable successively, and make institute
State the second steel pipe type cable and pass the heat-resistant fireproof heat-shrink tube;
First steel pipe type cable and the second steel pipe type cable are welded together, and by the heat-resistant fireproof heat-shrinkable T bush
Move at cable welding, to the heat-resistant fireproof heat-shrinkable T bush heating it is shunk and be wrapped in first steel pipe type cable with
Outside the steel pipe of second steel pipe type cable;
The continued access cylinder is moved into the weld, it is electric with first steel pipe respectively by the first end sealing structure
The steel pipe of cable and the continued access cylinder form sealing, and by second end sealing structure respectively with second steel pipe type cable
Steel pipe and the continued access cylinder form sealing.
Wherein, the first end sealing structure include the first cable sealed joint, the first pressure ring, the first rubber seal with
And first baffle ring;
By first cable sealed joint, the first pressure ring, the first rubber seal, the first baffle ring and the continued access cylinder according to
It is secondary to be inserted in first steel pipe type cable;
Wherein, the continued access cylinder is moved at the cable welding, by the first end sealing structure respectively with described
The steel pipe of one steel pipe type cable and the continued access cylinder form sealing, specifically include:
First cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with described first
Cable sealed joint is screwed into, and first pressure ring is extruded first rubber seal, the rubber seal hair
Change shape, is sealed so as to be formed with the steel pipe of first steel pipe type cable and the continued access cylinder, first cable seal is connect
Nut on head is tightened, and is tight contacted between with the steel pipe of first steel pipe type cable, so as to the steel pipe with first steel pipe type cable
Metal sealing is formed, and the steel pipe of first steel pipe type cable is promptly fixed, first baffle ring is used to fix described first
The position of rubber seal.
Also, when the nut on first cable sealed joint is tightened, inside first cable sealed joint
Ferrule structure and the steel pipe of first steel pipe type cable tight contact between.
Wherein, second end sealing structure include the second cable sealed joint, the second pressure ring, the second rubber seal with
And second baffle ring;
Second cable sealed joint, the second pressure ring, the second rubber seal, the second baffle ring and the high temperature resistant are hindered
Combustion heat-shrinkable T bush is inserted in second steel pipe type cable successively;
Wherein, the continued access cylinder is moved at the cable welding, by second end sealing structure respectively with described
The steel pipe of two steel pipe type cables and the continued access cylinder form sealing, specifically include:
Second cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with described second
Cable sealed joint is screwed into, and second pressure ring is extruded second rubber seal, the rubber seal hair
Change shape, is sealed so as to be formed with the steel pipe of second steel pipe type cable and the continued access cylinder, second cable seal is connect
Nut on head is tightened, and is tight contacted between with the steel pipe of second steel pipe type cable, so as to the steel pipe with second steel pipe type cable
Metal sealing is formed, and the steel pipe of second steel pipe type cable is promptly fixed, second baffle ring is used to fix described second
The position of rubber seal.
Also, when the nut on second cable sealed joint is tightened, inside second cable sealed joint
Ferrule structure and the steel pipe of second steel pipe type cable tight contact between.
In the present embodiment, the continued access cylinder is provided with the ledge structure for being easy to spanner to clamp.
In the present embodiment, high-temperature insulation adhesive tape is tied with the cable welding.
In the present embodiment, the material of the continued access cylinder is stainless steel, and cable continued access is played a protective role.
In the present embodiment, the material of first cable sealed joint and the second cable sealed joint is stainless steel,
Indoor design has ferrule structure, and the ferrule structure tight contacts between with steel pipe in the case of tightening, and forms metal sealing, and to institute
State steel pipe and form promptly fixation.
In the present embodiment, the material of first pressure ring and the second pressure ring is stainless steel.
The high pressure resistant high-temperature steel tube cable adapter in underground of the present invention describes in detail as follows in conjunction with the embodiments:
The embodiment schematic diagram of the high pressure resistant high-temperature steel tube cable adapter in underground of the present invention as shown in figure 1, including:Two electricity
The baffle ring 4 and 10, one of rubber seal 3 and 11, two of pressure ring 2 and 12, two of cable seal nipple 1 and 13, two continued access cylinder 6,
Steel pipe 5 and 9, single-core cable 7 and heat-resistant fireproof heat-shrink tube 8.
Adapter carry out cable continued access assemble sequence be:First by cable sealed joint 1, pressure ring 2, rubber seal 3,
Baffle ring 4 and continued access cylinder 6 are inserted in steel pipe 5 successively, and steel pipe 5 is passed continued access cylinder 6;Next by cable sealed joint 13, pressure ring
12nd, rubber seal 11, baffle ring 10 and heat-resistant fireproof heat-shrink tube 8 are inserted in steel pipe 9 successively, and steel pipe 9 is passed certain length;
Using scolding tin by together with steel pipe 5 and the continued access of single-core cable 7 of steel pipe 9, while it is exhausted to be wrapped with high temperature resistant at cable continued access
Edge adhesive tape is afterwards moved to the heat-resistant fireproof heat-shrink tube 8 being enclosed on steel pipe 9 at cable continued access, and use with improving insulating properties
Heat gun carries out heating to heat-resistant fireproof heat-shrink tube makes its contraction, so as to firmly be wrapped in outside steel pipe 5 and steel pipe 9, to electricity
Sealing and insulating effect are played in cable continued access;The continued access cylinder 6 being enclosed on steel pipe 5 is moved at cable continued access, makes the center of continued access cylinder 6
Position substantially overlaps with cable continued access position, next by the baffle ring 4 being enclosed on steel pipe 5, rubber seal 3, pressure ring 2 and cable
Seal nipple 1 is sequentially placed into the correspondence position on continued access cylinder 6, as shown in figure 1, cable sealed joint 1 passes through with continued access cylinder 6
60 ° of sealing pipe screw threads are attached, and with being screwed into for cable sealed joint 1, pressure ring 2 is extruded rubber seal 3, rubber
Sealing ring 3 deforms, and seals so as to be formed with steel pipe 5 and continued access cylinder 6, finally tightens the nut on cable sealed joint 1,
The ferrule structure for making it internal tight contacts between with steel pipe 5, so as to form metal sealing with steel pipe 5, and steel pipe 5 is formed promptly solid
It is set for using;Ibid operate, by the baffle ring 10 being enclosed on steel pipe 9, rubber seal 11, pressure ring 12 and cable sealed joint 13 successively
The correspondence position being put on continued access cylinder 6, cable sealed joint 13 is tightened, complete sealing and fixation to steel pipe 9.So far, it is complete
Continued access into cable adapter to steel pipe type cable.In constructing at the scene, after completing cable continued access, steel band clamp can be used by electricity
Cable adapter is fixed on oil pipe, so as to be lowered into tubing string in well.
The high pressure resistant high-temperature steel tube cable adapter in underground of the present invention, using cable sealed joint, rubber seal and resistance to
High temperature flame-proof heat-shrink tube has carried out triple seal protection to cable continued access, wherein cable sealed joint respectively with steel pipe and continued access cylinder
Metal sealing is formed, rubber seal deforms also to be formed with steel pipe and continued access cylinder respectively under squeezing action and sealed, resistance to height
Warm fire retardant thermal shrinkage tube is with sealing of the rise of temperature to steel pipe type cable common work that is also more close, therefore passing through triple seal
With the reliability of cable continued access sealing when ensure that down-hole high pressure power high-temperature in the case of big well depth.Adapter has knot simultaneously
Structure is simple, be easy to on-site cable continued access operate the features such as, the protection to cable continued access is also more reliable.
Apply specific embodiment in the present invention to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept;Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
1. a kind of underground steel pipe type cable adapter, it is characterised in that including first end sealing structure, the second end sealing structure, continue
Connect cylinder and heat-resistant fireproof heat-shrink tube;
Wherein, the first end sealing structure and the continued access cylinder are inserted in the first steel pipe type cable successively, and make first steel
Pipe cable passes the continued access cylinder;
Second end sealing structure and the heat-resistant fireproof heat-shrink tube are inserted in the second steel pipe type cable successively, and make described
Two steel pipe type cables pass the heat-resistant fireproof heat-shrink tube;
First steel pipe type cable and the second steel pipe type cable are welded together, and the heat-resistant fireproof heat-shrink tube is moved into electricity
Cable weld, shrink it heat-resistant fireproof heat-shrink tube heating and be wrapped in first steel pipe type cable and described second
Outside the steel pipe of steel pipe type cable;The continued access cylinder is moved into the weld, by the first end sealing structure respectively with institute
State the steel pipe of the first steel pipe type cable and the continued access cylinder forms sealing, and by second end sealing structure respectively with described the
The steel pipe of two steel pipe type cables and the continued access cylinder form sealing;
The first end sealing structure includes the first cable sealed joint, the first pressure ring, the first rubber seal and first gear
Ring;
First cable sealed joint, the first pressure ring, the first rubber seal, the first baffle ring and the continued access cylinder are covered successively
Enter first steel pipe type cable;
Wherein, the continued access cylinder is moved at the cable welding, by the first end sealing structure respectively with first steel
The steel pipe of pipe cable and the continued access cylinder form sealing, specifically include:
First cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with first cable
Seal nipple is screwed into, and first pressure ring is extruded first rubber seal, the first rubber seal hair
Change shape, is sealed so as to be formed with the steel pipe of first steel pipe type cable and the continued access cylinder, first cable seal is connect
Nut on head is tightened, and is tight contacted between with the steel pipe of first steel pipe type cable, so as to the steel pipe with first steel pipe type cable
Metal sealing is formed, and the steel pipe of first steel pipe type cable is promptly fixed;
First baffle ring is used for the position for fixing first rubber seal.
2. steel pipe type cable adapter in underground according to claim 1, it is characterised in that connect when by first cable seal
When nut on head is tightened, the ferrule structure and the steel pipe of first steel pipe type cable inside first cable sealed joint are tight
Close contact.
3. steel pipe type cable adapter in underground according to claim 1, it is characterised in that second end sealing structure includes
Second cable sealed joint, the second pressure ring, the second rubber seal and the second baffle ring;
By second cable sealed joint, the second pressure ring, the second rubber seal, the second baffle ring and heat-resistant fireproof heat
The draw is inserted in second steel pipe type cable successively;
Wherein, the continued access cylinder is moved at the cable welding, by second end sealing structure respectively with second steel
The steel pipe of pipe cable and the continued access cylinder form sealing, specifically include:
Second cable sealed joint and the continued access cylinder are attached by sealing pipe screw thread, with second cable
Seal nipple is screwed into, and second pressure ring is extruded second rubber seal, the second rubber seal hair
Change shape, is sealed so as to be formed with the steel pipe of second steel pipe type cable and the continued access cylinder, second cable seal is connect
Nut on head is tightened, and is tight contacted between with the steel pipe of second steel pipe type cable, so as to the steel pipe with second steel pipe type cable
Metal sealing is formed, and the steel pipe of second steel pipe type cable is promptly fixed;
Second baffle ring is used for the position for fixing second rubber seal.
4. steel pipe type cable adapter in underground according to claim 3, it is characterised in that connect when by second cable seal
When nut on head is tightened, the ferrule structure and the steel pipe of second steel pipe type cable inside second cable sealed joint are tight
Close contact.
5. steel pipe type cable adapter in underground according to claim 1, it is characterised in that the continued access cylinder, which is provided with, to be easy to pull
The ledge structure of hand clamping.
6. steel pipe type cable adapter in underground according to claim 1, it is characterised in that be tied with the cable welding resistance to
High-temperature insulation adhesive tape.
7. steel pipe type cable adapter in underground according to claim 1, it is characterised in that the material of the continued access cylinder is stainless
Steel.
8. steel pipe type cable adapter in underground according to claim 1, it is characterised in that first cable sealed joint and
The material of second cable sealed joint is stainless steel, and indoor design has ferrule structure, in the case of tightening the ferrule structure with
Steel pipe tight contacts between, and forms metal sealing, and the steel pipe is formed and firmly grasps fixation.
9. steel pipe type cable adapter in underground according to claim 1, it is characterised in that first pressure ring and the second pressure ring
Material be stainless steel.
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CN201610872576.6A CN106300221B (en) | 2016-09-30 | 2016-09-30 | A kind of underground steel pipe type cable adapter |
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CN201610872576.6A CN106300221B (en) | 2016-09-30 | 2016-09-30 | A kind of underground steel pipe type cable adapter |
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CN106300221B true CN106300221B (en) | 2018-03-13 |
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CN109861162B (en) * | 2019-02-02 | 2023-10-24 | 吉林大学 | Underground cable high-temperature high-pressure sealing joint for oil shale |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201851062U (en) * | 2010-11-25 | 2011-06-01 | 中国石油天然气股份有限公司 | High-voltage well head cable sealer |
CN103151755A (en) * | 2012-12-20 | 2013-06-12 | 贵州航天凯山石油仪器有限公司 | Method and structure capable of improving reliability of downhole instrument connecting cable |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001083334A (en) * | 1999-09-09 | 2001-03-30 | Hitachi Cable Ltd | Package structure of optical waveguide parts |
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2016
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201851062U (en) * | 2010-11-25 | 2011-06-01 | 中国石油天然气股份有限公司 | High-voltage well head cable sealer |
CN103151755A (en) * | 2012-12-20 | 2013-06-12 | 贵州航天凯山石油仪器有限公司 | Method and structure capable of improving reliability of downhole instrument connecting cable |
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