CN105632614A - Special steel armored signal wire for oil wells - Google Patents
Special steel armored signal wire for oil wells Download PDFInfo
- Publication number
- CN105632614A CN105632614A CN201610175656.6A CN201610175656A CN105632614A CN 105632614 A CN105632614 A CN 105632614A CN 201610175656 A CN201610175656 A CN 201610175656A CN 105632614 A CN105632614 A CN 105632614A
- Authority
- CN
- China
- Prior art keywords
- layer
- signal wire
- steel tube
- high temperature
- oil well
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Abstract
The invention relates to a special steel armored signal wire for oil wells. The special steel armored signal wire comprises a center conductor, wherein the center conductor is of an oxygen-free copper flexible wire stranded structure; a polyimide layer is arranged outside the center conductor; a sheath layer is arranged outside the polyimide layer in a sleeving manner; a protective layer is of a hollow cyclic structure; glass fiber is arranged inside the protective layer; a signal circuit layer is arranged outside the sheath layer; a nano fire-retardant layer is arranged outside the signal circuit layer; a steel tube armor strengthened protective layer is arranged outside the nano fire-retardant layer in the sleeving manner; the steel tube armor strengthened protective layer is formed by welding a stainless steel tube plasma straight slit made of a 316L material; and the thickness of a stainless steel tube is 0.6 mm. The special steel armored signal wire can be suitable for borehole operation environments with the pressure of smaller than 50 MPa, and is reasonable in structural design and ingenious and novel in concept; the steel tube armor strengthened protective layer has excellent radiation resistance and ageing resistance, and also has the advantages of high tensile strength, good physical and mechanical properties and the like; the glass fiber inside the protective layer can effectively improve the fireproof performance, and the flame retardant property of the nano fire-retardant layer is good, so that the service life is greatly prolonged.
Description
Technical field
The present invention relates to signal wire technical field, it is specifically related to a kind of oil well special-purpose high temperature steel armour signal wire.
Background technology
Due to the development of the industries such as Modern oil field exploitation, power plant, metallurgy, mine, cement building material, under its a lot of region is all in the relatively high ambient temperature situation of 90��110 DEG C, for the cable being used in this region, it owing to self also producing heat in transmission current process, causes that the conductor temperature of cable is higher reaches about 130 DEG C. Common PVC insulated power cable, can allow the highest operating temperature of conductor to be 70 DEG C; Power cable with cross-linked polyethylene insulation, the highest operating temperature of conductor can be allowed to be 90 DEG C, above two kinds of cables all cannot meet above-mentioned environment for use, although being provided with in cable inside in prior art, high-temperature-resistant layer or steel-tape armouring etc. are high temperature resistant, high pressure zone, to reach high temperature resistant, the object of high pressure, but complex structure, technique is loaded down with trivial details, cost height, and there is the shortcomings such as resistance to deterioration difference.
Summary of the invention
The present invention provides a kind of oil well special-purpose high temperature steel armour signal wire, to solve the complex structure of proposition in above-mentioned background technology, a difficult problem for high-temperature resistant result difference.
Technical problem solved by the invention realizes by the following technical solutions: a kind of oil well special-purpose high temperature steel armour signal wire, comprise centre conductor, described centre conductor is the soft silk lay configuration of oxygen free copper, it is provided with polyimide layer outside described centre conductor, described polyimide layer overcoat has restrictive coating, described protective layer is hollow annular structure, it is provided with glass fibre in described protective layer, signal loop layer it is provided with outside described restrictive coating, it is provided with nano flame retardant layer outside described signal loop layer, described nano flame retardant layer overcoat has steel tube armor more protection layer, described steel tube armor more protection layer is become by the stainless steel tube plasma straight seam welding of 316L material, described stainless steel tube wall thickness is 0.6mm.
Described signal loop layer is braiding net signal loop layer, and braiding net signal loop layer is made up of oxygen free copper flexible lead.
The heatproof of described polyimide layer is 300 degree.
The sectional area of described centre conductor is 0.63 square millimeter. Described polyimide layer external diameter is 1.8mm.
The external diameter of described signal loop layer is 1.98mm.
The external diameter of described steel tube armor more protection layer is 3.18 millimeters.
The application method of a kind of oil well special-purpose high temperature steel armour signal wire, comprise centre conductor, described centre conductor is the soft silk lay configuration of oxygen free copper, it is provided with polyimide layer outside described centre conductor, described polyimide layer overcoat has restrictive coating, described protective layer is hollow annular structure, it is provided with glass fibre in described protective layer, signal loop layer it is provided with outside described restrictive coating, it is provided with nano flame retardant layer outside described signal loop layer, described nano flame retardant layer overcoat has steel tube armor more protection layer, described steel tube armor more protection layer is become by the stainless steel tube plasma straight seam welding of 316L material, it is applied to-30 degree---in-+300 degree.
The useful effect of the present invention is: the working environment at coal mines that can adapt to pressure within 50Mpa; reasonable in design; conceive ingenious novelty; steel tube armor more protection layer has excellent radiation-resistant property and resistance to deterioration; also having the advantages such as tensile strength height, physical and mechanical properties be good, the glass fibre in protective layer can effectively improve fire resistance, and the flame retardant properties of nano flame retardant layer is good; work-ing life significantly improves, and is easy to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Embodiment
With reference to accompanying drawing, a kind of oil well special-purpose high temperature steel armour signal wire, comprise centre conductor 1, described centre conductor 1 is the soft silk lay configuration of oxygen free copper, it is provided with polyimide layer 2 outside described centre conductor 1, described polyimide layer 2 overcoat has restrictive coating 3, described protective layer is hollow annular structure, it is provided with glass fibre in described protective layer, signal loop layer 4 it is provided with outside described restrictive coating 3, it is provided with nano flame retardant layer 5 outside described signal loop layer 4, described nano flame retardant layer 5 overcoat has steel tube armor more protection layer 6, described steel tube armor more protection layer 6 is become by the stainless steel tube plasma straight seam welding of 316L material, described stainless steel tube wall thickness is 0.6mm. described signal loop layer 4 is braiding net signal loop layer 4, and braiding net signal loop layer 4 is made up of oxygen free copper flexible lead. the heatproof of described polyimide layer 2 is 300 degree. the sectional area of described centre conductor 1 is polyimide layer 2 external diameter described in 0.63 square millimeter is 1.8mm. the external diameter of described signal loop layer 4 is 1.98mm. the external diameter of described steel tube armor more protection layer 6 is 3.18 millimeters. the application method of a kind of oil well special-purpose high temperature steel armour signal wire, comprise centre conductor 1, described centre conductor 1 overcoat has polyimide layer 2, described polyimide layer 2 comprises polyvinylidene fluoride layer and modified polypropene layer, described polyimide layer 2 overcoat has restrictive coating 3, being provided with signal loop layer 4 outside described restrictive coating 3, described loop layer overcoat has steel tube armor more protection layer 6, is applied to-30 degree---in-+300 degree.
Technical parameter:
Environment for use parameter: high temperature cable :-30-+300; Environmental stress: within 70Mpa; The crude oil environment of trace hydrogen sulfide, carbon dioxide environment and soda acid has excellent etch resistant properties (content is no more than 5%).
Electric parameter: centre conductor 1 direct current resistance when 20 degrees Celsius: be less than or equal to 60 ohm/Km; When 20 degrees Celsius, centre conductor 1 is to the electric capacity of pipe: 92pf/ rice; When 20 degrees Celsius, centre conductor 1 is to the insulation of pipe: be greater than 2900 megaohms/km (2500 volts); Voltage: 1000 volts of a.c.
Mechanical performance parameter: minimum bending radius: 200mm; Cable tension power: 5.5KN; Cable weight: 50 kilograms/km; Cable size: 3.18mm; Every bar cable can factory length: 10 meters-20000 meters.
Reliability parameter: in 20 degrees Celsius of 5 years storage periods of environment, electric parameter is unchanged; Reusability number of times is greater than 300 times under normal operation.
The present invention can adapt to the working environment at coal mines of pressure within 50Mpa; reasonable in design; conceive ingenious novelty; steel tube armor more protection layer 6 has excellent radiation-resistant property and resistance to deterioration; also having the advantages such as tensile strength height, physical and mechanical properties be good, the glass fibre in protective layer can effectively improve fire resistance, and the flame retardant properties of nano flame retardant layer 5 is good; work-ing life significantly improves, and is easy to large-scale promotion application.
To those skilled in the art, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit or the essential characteristic of the present invention, it is possible to realize the present invention in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and right and wrong are restrictive, the scope of the present invention is limited by claims instead of above-mentioned explanation, it is intended that all changes in the implication of the equivalent important document dropping on claim and scope included in the present invention.
Claims (8)
1. an oil well special-purpose high temperature steel armour signal wire, comprise centre conductor, it is characterized in that: described centre conductor is the soft silk lay configuration of oxygen free copper, it is provided with polyimide layer outside described centre conductor, described polyimide layer overcoat has restrictive coating, described protective layer is hollow annular structure, it is provided with glass fibre in described protective layer, signal loop layer it is provided with outside described restrictive coating, it is provided with nano flame retardant layer outside described signal loop layer, described nano flame retardant layer overcoat has steel tube armor more protection layer, described steel tube armor more protection layer is become by the stainless steel tube plasma straight seam welding of 316L material, described stainless steel tube wall thickness is 0.6mm.
2. a kind of special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: described signal loop layer is braiding net signal loop layer, and braiding net signal loop layer is made up of oxygen free copper flexible lead.
3. the special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: the heatproof of described polyimide layer is 300 degree.
4. the special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: the sectional area of described centre conductor is 0.63 square millimeter.
5. the special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: described polyimide layer external diameter is 1.8mm.
6. the special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: the external diameter of described signal loop layer is 1.98mm.
7. the special middle high temperature steel armour signal wire of oil well according to claim 1, it is characterised in that: the external diameter of described steel tube armor more protection layer is 3.18 millimeters.
8. the application method of an oil well special-purpose high temperature steel armour signal wire; comprise centre conductor; it is characterized in that: described centre conductor overcoat has polyimide layer; described polyimide layer comprises polyvinylidene fluoride layer and modified polypropene layer; described polyimide layer overcoat has restrictive coating; being provided with signal loop layer outside described restrictive coating, described loop layer overcoat has steel tube armor more protection layer, is applied to-30 degree---in-+300 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610175656.6A CN105632614A (en) | 2016-03-27 | 2016-03-27 | Special steel armored signal wire for oil wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610175656.6A CN105632614A (en) | 2016-03-27 | 2016-03-27 | Special steel armored signal wire for oil wells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105632614A true CN105632614A (en) | 2016-06-01 |
Family
ID=56047440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610175656.6A Pending CN105632614A (en) | 2016-03-27 | 2016-03-27 | Special steel armored signal wire for oil wells |
Country Status (1)
| Country | Link |
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| CN (1) | CN105632614A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040151906A1 (en) * | 2002-11-29 | 2004-08-05 | Olivier Pinto | Flame-retardant cable |
| CN201017704Y (en) * | 2007-04-10 | 2008-02-06 | 辽宁华孚石油高科技股份有限公司 | Special electric cable for heating oil well with steel tube dirt-proof boot |
| CN101894611A (en) * | 2010-07-21 | 2010-11-24 | 郑州电缆有限公司 | High-temperature resistant wire tube double armature logging cable |
| CN202632806U (en) * | 2012-06-27 | 2012-12-26 | 安徽龙庵电缆集团有限公司 | Soft abrasion-resistant high-temperature-resistant direct-current high voltage ignition cable |
| CN203260359U (en) * | 2013-05-24 | 2013-10-30 | 四川新蓉电缆有限责任公司 | Fireproof cable |
| CN205542075U (en) * | 2016-03-27 | 2016-08-31 | 张庆 | Special high -temperature steel armour signal line of oil well |
-
2016
- 2016-03-27 CN CN201610175656.6A patent/CN105632614A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040151906A1 (en) * | 2002-11-29 | 2004-08-05 | Olivier Pinto | Flame-retardant cable |
| CN201017704Y (en) * | 2007-04-10 | 2008-02-06 | 辽宁华孚石油高科技股份有限公司 | Special electric cable for heating oil well with steel tube dirt-proof boot |
| CN101894611A (en) * | 2010-07-21 | 2010-11-24 | 郑州电缆有限公司 | High-temperature resistant wire tube double armature logging cable |
| CN202632806U (en) * | 2012-06-27 | 2012-12-26 | 安徽龙庵电缆集团有限公司 | Soft abrasion-resistant high-temperature-resistant direct-current high voltage ignition cable |
| CN203260359U (en) * | 2013-05-24 | 2013-10-30 | 四川新蓉电缆有限责任公司 | Fireproof cable |
| CN205542075U (en) * | 2016-03-27 | 2016-08-31 | 张庆 | Special high -temperature steel armour signal line of oil well |
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Application publication date: 20160601 |
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