CN201918192U - Double sheath circular submersible pump cable - Google Patents
Double sheath circular submersible pump cable Download PDFInfo
- Publication number
- CN201918192U CN201918192U CN2010205884468U CN201020588446U CN201918192U CN 201918192 U CN201918192 U CN 201918192U CN 2010205884468 U CN2010205884468 U CN 2010205884468U CN 201020588446 U CN201020588446 U CN 201020588446U CN 201918192 U CN201918192 U CN 201918192U
- Authority
- CN
- China
- Prior art keywords
- cable
- sheath
- insulating layer
- layer
- double
- 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 - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- -1 armour Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 238000005554 pickling Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000009422 external insulation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000003129 oil well Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001131796 Botaurus stellaris Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a double-sheath round cable for an electrical submersible pump. Round cable has the defects that: as a lapping outer insulating layer has poor oil corrosion-resistant function and can not prevent gas pickling, the ageing of the insulating layer of the cable is accelerated due to corrosion in use, and the cable can not be recycled after losing effectiveness, therefore, resource waste is great, and the production cost for oil extraction is increased. For the double-sheath round cable, the insulating layer (2) of a conductor (1) is externally wrapped with a sheath layer (3) which is a wire core in an extrusion way; three wire cores are arranged in a triangular form and then wrapped by a rubber sheath (4), and an armor layer (5) is arranged outside the rubber sheath (4); and the sheath layer (3) is made of fluoroplastics. The double-sheath round cable has the benefits of being simple in structure, practical in function, high in reliability and prolonged in service life, and preventing the insulating layer of the cable from being corroded by underground environment.
Description
Affiliated technical field
The utility model relates to a kind of petroleum recovering machinery equipment oil-immersed pump unit cable, especially relates to the circular submersible electric pump cable of a kind of pair of sheath.
Background technology
Submersible electric pump is widely used in field of petroleum exploitation, and submersible electric pump cable is to be the matching used power cable of oil-immersed pump unit, and the lower end links to each other with jump lead, and the upper end is connected with the Ground Control cabinet, is laid in the oil well.Submersible electric pump cable requires the corrosion resistance of cable good, good airproof performance because operational environment is more abominable, guarantees that well liquid can not infiltrate in the insulating barrier; Heat resisting and pressure resisting is good, the long-term operate as normal of energy under down-hole high temperature and pressure; Higher mechanical strength is arranged, in case in the process of removing, damage.
Existing submersible electric pump cable circle cable is made up of conductor, insulating barrier, restrictive coating and armouring tape, as disclosed Chinese utility model patent on June 4th, 2008 " electric submersible pump electric power circle cable " (publication number CN201069677), this cable comprises conductor, inner insulating layer, external insulation layer, sheath and armour; Conductor is outside equipped with inner insulating layer, the arranged outside of inner insulating layer has external insulation layer, and conductor, inner insulating layer are formed an independently signal transmission core, and three identical signal transmission cores are coated by sheath, outside at sheath is provided with armour, and the outer surface of armour is continuous semicircular arc.
External insulation layer in the submersible electric pump cable circle cable all adopts wrapped mode.Contain hydrogen sulfide (H in the part oil well at present
2S), carbon dioxide (CO
2) wait sour corrosion gas or have corrosive liquids such as bittern water, though adopt the cable of wrapped external insulation layer can effectively stop the infiltration of solid molecule, but be difficult to the erosion of opposing down-hole oil and gas environments, corrosive gas in the oil well and small-molecule substance can penetrate rubber sheath insulating barrier is corroded, cause insulating performance of cable to reduce, even lost efficacy in advance, and can't recycle behind the cable failure, greatly waste resource, increase the oil recovery production cost.
The utility model content
For the wrapped external insulation layer that overcomes the existence of existing circle cable prevents that oils erosion function is poor, and can not prevent gas pickling, cause the cable insulating barrier accelerated ageing that is corroded in use, and can't recycle behind the cable failure, greatly waste resource, increase the deficiency of oil recovery production cost, the utility model provides a kind of pair of sheath circular submersible electric pump cable.
The technical scheme that its technical problem that solves the utility model adopts is: the circular submersible electric pump cable of two sheaths, comprise conductor, insulating barrier, restrictive coating, rubber sheath and armour, it is the single line core that conductor outer wrapping insulating barrier, the insulating barrier of conductor are extruded with restrictive coating outward; Three core triangularities are arranged the back by the rubber sheath coating, and rubber sheath is outside equipped with armour; The material of restrictive coating is fluoroplastics.
The beneficial effects of the utility model are, and are simple in structure, function is practical, reliability is high, prolong useful life, guarantees that cable insulation is not corroded by subsurface environment.
Description of drawings
Fig. 1 is the circular submersible electric pump cable structural representations of the two sheaths of the utility model.
Among the figure: 1. conductor, 2. insulating barrier, 3. restrictive coating, 4. rubber sheath layer, 5. anti-armour.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to accompanying drawing.The circular submersible electric pump cable of the two sheaths of the utility model comprises conductor 1, insulating barrier 2, restrictive coating, armour 5, conductor 1 outer wrapping insulating barrier 2, and the insulating barrier 2 outer restrictive coatings 3 that are extruded with are the single line core; Three core triangularities are arranged the back by rubber sheath 4 coatings, and rubber sheath 4 is outside equipped with armour 5; The material of restrictive coating 3 is fluoroplastics.
The utility model adopts the duplex sheath structure that insulating barrier is protected; the fluoroplastics restrictive coating that extrudes at insulating barrier has splendid anticorrosion and impermeabilisation effect; can effectively avoid the corrosion of downhole corrosion gas and small-molecule substance to cable insulation; because fluoroplastics itself belong to insulating material, can further improve the electrical property of cable simultaneously.
Claims (2)
1. the circular submersible electric pump cable of two sheaths comprises conductor, insulating barrier, restrictive coating, armour, and conductor outer wrapping insulating barrier is characterized in that: extruding outside the insulating barrier (2) of described conductor (1) and being wrapped with restrictive coating (3) is the single line core; Three core triangularities are arranged the back by rubber sheath (4) coating, and rubber sheath (4) is outside equipped with armour (5).
2. according to the circular submersible electric pump cable of described pair of sheath of claim 1, it is characterized in that: the material of described restrictive coating (3) is fluoroplastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205884468U CN201918192U (en) | 2010-10-28 | 2010-10-28 | Double sheath circular submersible pump cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205884468U CN201918192U (en) | 2010-10-28 | 2010-10-28 | Double sheath circular submersible pump cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918192U true CN201918192U (en) | 2011-08-03 |
Family
ID=44417984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205884468U Expired - Fee Related CN201918192U (en) | 2010-10-28 | 2010-10-28 | Double sheath circular submersible pump cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161944A (en) * | 2015-08-18 | 2015-12-16 | 中国石油天然气集团公司 | Gas-preventing and corrosion-preventing connection method for lead sheath oil-submersible cable |
-
2010
- 2010-10-28 CN CN2010205884468U patent/CN201918192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161944A (en) * | 2015-08-18 | 2015-12-16 | 中国石油天然气集团公司 | Gas-preventing and corrosion-preventing connection method for lead sheath oil-submersible cable |
| CN105161944B (en) * | 2015-08-18 | 2018-02-02 | 中国石油天然气集团公司 | A kind of lead sheath oil-submersible cable gas-tight anticorrosion connection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |