CN205428549U - Special medium temperature steel armour signal line of oil well - Google Patents
Special medium temperature steel armour signal line of oil well Download PDFInfo
- Publication number
- CN205428549U CN205428549U CN201620236655.3U CN201620236655U CN205428549U CN 205428549 U CN205428549 U CN 205428549U CN 201620236655 U CN201620236655 U CN 201620236655U CN 205428549 U CN205428549 U CN 205428549U
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- layer
- armour
- oil well
- holding wire
- middle temperature
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Abstract
The utility model provides a special medium temperature steel armour signal line of oil well, relates to signal line technical field, including center conductor, and its characterized in that: the center conductor overcoat have the insulating layer, the insulating layer include polyvinylidene fluoride layer and modified polypropylene layer, the insulating layer overcoat have the restrictive coating, the restrictive coating be equipped with the signal circuit layer outward, return circuit layer overcoat have steel tube armour reinforcing and protective layer, steel tube armour reinforcing and protective layer is formed by the nonrust steel pipe plasma transversal joint welding of 316L material, stainless steel wall thickness is 0.6mm. The utility model discloses can adapt to 50Mpa improves than imitating to have with the borehole operation environment of internal pressure, life by a wide margin. Having, sclerosis, embrittlement do not take place when receiving vibration or bending deformation, mesh grid signal circuit has used on the layer the nonrust steel wire of corrosion -resistant, anti high -temperature oxidation ability reinforce, makes mesh grid signal circuit layer anti oxidability when high temperature have the large increase than the copper wire.
Description
Technical field
The invention belongs to holding wire technical field, particularly relate to a kind of special middle temperature steel armour holding wire of oil well.
Background technology
Temperature-resisting cable for temperature resistant grade 100 DEG C, metal material and the nonmetallic materials of composition cable are all tested by hot environment, there is the trend of high-temperature oxydation in metallic conductor or wire sheathing, non-metallic insulation exist high temperature ageing, become fragile, hardening, intensity reduces, vibrates or bend the phenomenons such as easy to crack, insulating properties inefficacy.So needing one to remain to keep cable insulation to have preferable flexibility in hot environment, overcome the high-temperature cable that the performance in use caused reduces or damages because of vibration or flexural deformation.At present, the temperature-resisting cable in correlation technique mainly uses the steel wire armoured load cable that holds, and outer protective sleeve is 2 layers of armouring about steel wire, this steel wire armored cable is rough due to appearance, hermetic seal effect is bad, can only stop production in the case of operation, the operating mode suitability is poor.
Summary of the invention
It is desirable to provide a kind of special middle temperature steel armour holding wire of oil well, to solve the problem that above-mentioned background technology proposes.
Technical problem solved by the invention realizes by the following technical solutions: a kind of special middle temperature steel armour holding wire of oil well; including center conductor; it is cased with insulating barrier outside described center conductor; described insulating barrier includes polyvinylidene fluoride layer and modified polypropene layer; it is cased with restrictive coating outside described insulating barrier; described restrictive coating is externally provided with signal circuit layer; steel tube armour heavy seal coat it is cased with outside described circuit layer; described steel tube armour heavy seal coat is formed by the stainless steel tube plasma straight seam welding of 316L material, and described stainless steel tube wall thickness is 0.6mm.
Described center conductor is tining copper soft silk lay configuration.
Described signal circuit layer is mesh grid signal circuit layer, and mesh grid signal circuit layer is made up of stainless steel silk.Described insulating barrier is two-layer insulation system, and internal layer is polyvinylidene fluoride layer, outer layer modified polypropene layer.
The heatproof of described modified polypropene layer is 150 degree.
The sectional area of described center conductor is 0.63 square millimeter.
Described insulating barrier external diameter is 1.8mm.
The external diameter of described mesh grid signal circuit layer is 1.98mm.
The external diameter of described steel tube armour heavy seal coat is 3.18 millimeters.
Described middle temperature is-30 degree----+150 degree.
The invention have the benefit that this use New Energy adapts to the working environment at coal mines of pressure within 50Mpa, reasonable in design, be skillfully constructed novelty, is greatly improved than effect service life.Have do not harden when vibrated or flexural deformation, embrittlement；Mesh grid signal circuit layer applies stainless steel silk corrosion-resistant, that oxidation-resistance property is strong, makes mesh grid signal circuit layer oxidation resistance when high temperature have large increase than copper wire, it is easy to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further: a kind of special middle temperature steel armour holding wire of oil well; including center conductor 1; it is cased with insulating barrier 2 outside described center conductor 1; described insulating barrier 2 includes polyvinylidene fluoride layer and modified polypropene layer; it is cased with restrictive coating 3 outside described insulating barrier 2; described restrictive coating 3 is externally provided with signal circuit layer 4; steel tube armour heavy seal coat 5 it is cased with outside described circuit layer; described steel tube armour heavy seal coat 5 is formed by the stainless steel tube plasma straight seam welding of 316L material, and described stainless steel tube wall thickness is 0.6mm.Described center conductor 1 is tining copper soft silk lay configuration.Described signal circuit layer 4 is mesh grid signal circuit layer 4, and mesh grid signal circuit layer 4 is made up of stainless steel silk.Described insulating barrier 2 is two-layer insulation system, and internal layer is polyvinylidene fluoride layer, outer layer modified polypropene layer.The heatproof of described modified polypropene layer is 150 degree.The sectional area of described center conductor 1 is 0.63 square millimeter.Described insulating barrier 2 external diameter is 1.8mm.The external diameter of described mesh grid signal circuit layer 4 is 1.98mm.The external diameter of described steel tube armour heavy seal coat 5 is 3.18 millimeters.Described middle temperature is-30 degree----+150 degree.
Use ambient parameter: middle temperature cable :-30-+150；Ambient pressure: within 70Mpa；The etch resistant properties (content is less than 5%) of excellence is had in the crude oil environment of trace hydrogen sulfide, carbon dioxide environment and soda acid
Electric parameter: center conductor 1 D.C. resistance when 20 degrees Celsius: less than or equal to 60 ohm/Km；The center conductor 1 electric capacity to pipe when 20 degrees Celsius: 92pf/ rice；The center conductor 1 insulation to pipe when 20 degrees Celsius: more than 2900 megaohms/km (2500 volts)；Voltage: 1000 volts of a.c.
Mechanical performance parameter: minimum bending radius: 200mm；Cable stretching resistance: 5.5KN；Cable weight: 50 kilograms/km；Cable size: 3.18mm；Every cable can factory length: 10 meters-20000 meters.
Dependability parameter: in 20 degrees Celsius of 5 years ambient storage phases, electric parameter is unchanged；Reusability number of times is more than 300 times under normal operation.
The working environment at coal mines of pressure within this use New Energy adaptation 50Mpa, reasonable in design, be skillfully constructed novelty, is greatly improved than effect service life.Have do not harden when vibrated or flexural deformation, embrittlement；Mesh grid signal circuit layer 4 applies stainless steel silk corrosion-resistant, that oxidation-resistance property is strong, makes mesh grid signal circuit layer 4 oxidation resistance when high temperature have large increase than copper wire, it is easy to large-scale promotion application.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
Claims (9)
1. the special middle temperature steel armour holding wire of oil well; including center conductor; it is characterized in that: outside described center conductor, be cased with insulating barrier; described insulating barrier includes polyvinylidene fluoride layer and modified polypropene layer; being cased with restrictive coating outside described insulating barrier, described restrictive coating is externally provided with signal circuit layer, is cased with steel tube armour heavy seal coat outside described circuit layer; described steel tube armour heavy seal coat is formed by the stainless steel tube plasma straight seam welding of 316L material, and described stainless steel tube wall thickness is 0.6mm.
A kind of special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: described center conductor is tining copper soft silk lay configuration.
A kind of special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: described signal circuit layer is mesh grid signal circuit layer, and mesh grid signal circuit layer is made up of stainless steel silk.
The special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: described insulating barrier is two-layer insulation system, and internal layer is polyvinylidene fluoride layer, outer layer modified polypropene layer.
The special middle temperature steel armour holding wire of oil well the most according to claim 4, it is characterised in that: the heatproof of described modified polypropene layer is 150 degree.
The special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: the sectional area of described center conductor is 0.63 square millimeter.
The special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: described insulating barrier external diameter is 1.8mm.
The special middle temperature steel armour holding wire of oil well the most according to claim 3, it is characterised in that: the external diameter of described mesh grid signal circuit layer is 1.98mm.
The special middle temperature steel armour holding wire of oil well the most according to claim 1, it is characterised in that: the external diameter of described steel tube armour heavy seal coat is 3.18 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620236655.3U CN205428549U (en) | 2016-03-27 | 2016-03-27 | Special medium temperature steel armour signal line of oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620236655.3U CN205428549U (en) | 2016-03-27 | 2016-03-27 | Special medium temperature steel armour signal line of oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428549U true CN205428549U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620236655.3U Expired - Fee Related CN205428549U (en) | 2016-03-27 | 2016-03-27 | Special medium temperature steel armour signal line of oil well |
Country Status (1)
| Country | Link |
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| CN (1) | CN205428549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590680A (en) * | 2016-03-27 | 2016-05-18 | 张庆 | Middle temperature steel armored signal line special for oil well |
-
2016
- 2016-03-27 CN CN201620236655.3U patent/CN205428549U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590680A (en) * | 2016-03-27 | 2016-05-18 | 张庆 | Middle temperature steel armored signal line special for oil well |
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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: 20160803 Termination date: 20170327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |