CN106300221B - A kind of underground steel pipe type cable adapter - Google Patents

A kind of underground steel pipe type cable adapter Download PDF

Info

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.)
Active
Application number
CN201610872576.6A
Other languages
Chinese (zh)
Other versions
CN106300221A (en
Inventor
廖成龙
沈泽俊
黄鹏
魏然
张卫平
钱杰
王新忠
童征
张国文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201610872576.6A priority Critical patent/CN106300221B/en
Publication of CN106300221A publication Critical patent/CN106300221A/en
Application granted granted Critical
Publication of CN106300221B publication Critical patent/CN106300221B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/18Cable junctions protected by sleeves, e.g. for communication cable
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/18Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/1806Heat 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

A kind of underground steel pipe type cable adapter
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.
CN201610872576.6A 2016-09-30 2016-09-30 A kind of underground steel pipe type cable adapter Active CN106300221B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610872576.6A CN106300221B (en) 2016-09-30 2016-09-30 A kind of underground steel pipe type cable adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610872576.6A CN106300221B (en) 2016-09-30 2016-09-30 A kind of underground steel pipe type cable adapter

Publications (2)

Publication Number Publication Date
CN106300221A CN106300221A (en) 2017-01-04
CN106300221B true CN106300221B (en) 2018-03-13

Family

ID=57716700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610872576.6A Active CN106300221B (en) 2016-09-30 2016-09-30 A kind of underground steel pipe type cable adapter

Country Status (1)

Country Link
CN (1) CN106300221B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001083334A (en) * 1999-09-09 2001-03-30 Hitachi Cable Ltd Package structure of optical waveguide parts

Patent Citations (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN106300221A (en) 2017-01-04

Similar Documents

Publication Publication Date Title
CN201963210U (en) Fireflood gas injection electric ignition process column
CN103835689B (en) Oil reservoir electrical heating oil extracting appts and using method thereof
NO20130719A1 (en) Pressure balanced wound production pipe cable and connection
US10393292B2 (en) Method of manufacturing a pipe segment
CN213450343U (en) Intelligent separate injection system for underground composite pipe
GB2526831A (en) Branch structures of electrically-heated pipe-in-pipe flowlines
CN106300221B (en) A kind of underground steel pipe type cable adapter
CN203589673U (en) Downhole instrument connection cable sealing structure
CN116607889A (en) Circularly geothermal wellhead pipe column and heat extraction process thereof
CN103151755B (en) Improve method and the structure of downhole instrument stube cable reliability
CN203978312U (en) Heat insulation box cupling
CN106223926B (en) A kind of multichannel is continuously managed
CN206696483U (en) thermal recovery steam injection well distributed temperature measuring optical cable
CN110761772B (en) Be applied to oil pipe and carry online horizontal well and produce liquid section logging system
CN202997494U (en) Down hole apparatus cable junction structure
CN106499377B (en) electric ignition system
CN205542097U (en) Oil well is temperature measurement cable in pit
CN108678683A (en) The new and effective sealing insulated tubing of one kind and its manufacturing process
CN204929296U (en) Two joint designs of leading electric heating cable
CN208518614U (en) A kind of ocean insulated tubing
CN206432640U (en) A kind of HGCO hollow cables protection pipe
CN108661570A (en) A kind of ocean insulated tubing
CN201943598U (en) Split assembled heat-insulating oil tube connecting structure
CN205101719U (en) Anti -drop formula pyrocondensation bushing pipe box
CN203571338U (en) Prefabricated heat insulation device of sleeve compensator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant