CN210295991U - High-temperature-resistant and corrosion-resistant circular oil-submersible pump cable - Google Patents
High-temperature-resistant and corrosion-resistant circular oil-submersible pump cable Download PDFInfo
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- CN210295991U CN210295991U CN201921573266.XU CN201921573266U CN210295991U CN 210295991 U CN210295991 U CN 210295991U CN 201921573266 U CN201921573266 U CN 201921573266U CN 210295991 U CN210295991 U CN 210295991U
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Abstract
The utility model discloses a high temperature resistant and corrosion resistant circular oil-submersible pump cable, which comprises a plurality of cable cores with the same structure and an oil-resistant layer and an armor layer which are wrapped outside the cable cores; each cable core sequentially comprises a plurality of power supply units, an insulating layer and an oil-proof layer from inside to outside, wherein the insulating layer is made of polyether ether ketone (PEEK) through extrusion; the oil-resistant layer is formed by wrapping an ethylene-tetrafluoroethylene copolymer (ETFE) belt outside the cable cores; the armor layer is that Monel wrinkle steel pipe wraps up outside the resistant oil layer, Monel wrinkle steel pipe is made by the embossing of Monel steel band after argon arc welds vertically. The cable of the submersible pump can be suitable for oil well environments with high strength, high temperature and strong corrosivity, and has excellent high temperature resistance and corrosion resistance mechanical properties.
Description
Technical Field
The utility model relates to a power cable technical field for the oil-submerged pump, concretely relates to is a circular oil-submerged pump cable of high temperature resistant anticorrosion.
Background
The power cable of the submersible pump is a special cable matched with the submersible electric pump unit and is laid in an oil well, the lower end of the cable is connected with a leading cable, and the upper end of the cable is connected with a ground control cabinet. When the size of the oil well casing allows, a circular cable is generally adopted, the symmetrical structure of the circular cable enables the generated electromagnetic field to be uniformly distributed, the mutual interference is small, the electromagnetic compatibility is good, and the circular cable is convenient to take up and pay off when being laid in an oil well. However, the oil well is in a severe working condition and is often in a highly corrosive environment such as high temperature, high pressure, oil-gas-containing environment, and the like, so that the requirements on mechanical properties such as strength, high temperature resistance, corrosion resistance and the like of the submersible pump cable are particularly high.
SUMMERY OF THE UTILITY MODEL
In order to overcome above-mentioned circular submersible pump cable and require high technical defect very much to mechanical properties, the utility model provides a high temperature resistant anticorrosive circular submersible pump cable, this submersible pump cable is applicable in the oil well environment of high strength, high temperature and strong corrosivity, has outstanding high temperature resistant and anticorrosive mechanical properties.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
the utility model relates to a high temperature resistant anticorrosion circular oil-submersible pump cable, which comprises a plurality of cable cores with the same structure and an oil-resistant layer and an armor layer which are wrapped outside the cable cores;
each cable core sequentially comprises a plurality of power supply units, an insulating layer and an oil-proof layer from inside to outside, wherein the insulating layer is made of polyether ether ketone (PEEK) through extrusion;
the oil-resistant layer is formed by wrapping an ethylene-tetrafluoroethylene copolymer (ETFE) belt outside the cable cores;
the armor layer is that Monel wrinkle steel pipe wraps up outside the resistant oil layer, Monel wrinkle steel pipe is made by the embossing of Monel steel band after argon arc welds vertically.
Further, the oil-proof layer is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion, and the oil-proof layer is crosslinked through electron beam irradiation crosslinking equipment.
Further, each power supply unit is a tinned anaerobic copper wire conductor, and the tinned anaerobic copper wire conductor is a solid conductor or a stranded conductor.
Furthermore, the number of the cable cores is 3, and each cable core is arranged inside the oil-resistant layer in a mutually clinging mode.
Furthermore, PP ropes are filled between the 3 cable cores and the oil-resistant layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the oil-submerged pump cable adopt Monel wrinkle steel pipe parcel cable core, this Monel wrinkle steel pipe adopts Monel wrinkle steel band to indulge the package through argon arc welding, its gap is still less than traditional chain armor, the compactness is stronger, can prevent better inside containing corrosivity oil gas infiltration cable, guarantee the normal work of cable. The interior of the armor layer is wrapped outside the cable core by adopting an ethylene-tetrafluoroethylene copolymer (ETFE) belt, so that the cable has good corrosion resistance, is extremely suitable for fuel, oil or acid-base environments, can further protect the inner cable core from being corroded, and prolongs the service life of the cable.
2. The utility model discloses an insulating layer for adopting polyether ether ketone (PEEK) cladding on a plurality of power supply unit, polyether ether ketone (PEEK) have higher melting point (334 ℃) and glass transition temperature (143 ℃), and last service temperature can reach 260 ℃, has stronger corrosion resisting capability simultaneously, ensures that the oil-submersible pump cable can use in high temperature and strong acid-base's oil well environment.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a high temperature resistant and corrosion resistant circular submersible pump cable according to the present invention;
in the figure: 1-a cable core; 11-a power supply unit; 12-an insulating layer; 13-oil-proof layer; 2-oil resistant layer; 3-armor layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1, the utility model discloses a circular submersible pump cable preferred structure of high temperature resistant anticorrosion.
In order to enable an electromagnetic field of the submersible pump cable to be uniformly distributed, mutual interference is small, electromagnetic compatibility is good, the submersible pump cable is preferably of a circular structure, the submersible pump cable comprises a plurality of cable cores 1 of the same structure, and an oil-resistant layer 2 and an armor layer 3 which are wrapped outside the cable cores 1, specifically, the number of the cable cores 1 is preferably 3, each cable core 1 is tightly attached to each other and arranged in the oil-resistant layer 2 after a triangular structure is formed, a PP rope is filled between each cable core 1 and the oil-resistant layer 2, the submersible pump cable is prevented from being extruded and deformed by external force, and the triangular structure formed by 3 composite cables is ensured to be unchanged.
Furthermore, each cable core 1 comprises a plurality of power supply units 11, an insulating layer 12 and an oil-proof layer 13 from inside to outside in sequence. Each power supply unit 11 is an oxygen-free copper wire drawn by an oxygen-free copper rod, and a single oxygen-free copper wire can be used for forming a solid conductor or a plurality of oxygen-free copper wires can be used for twisting to form a twisted conductor. The power supply units 11 are twisted to form a power supply cable core to be used as a zero line or a fire line or a ground line of the submersible pump.
The insulating layer 12 is formed by coating polyether-ether-ketone (PEEK) on the power supply unit 11 through an extrusion die of a high-temperature extruder, the polyether-ether-ketone (PEEK) has a high melting point (334 ℃) and a high glass transition temperature (143 ℃), the continuous use temperature can reach 260 ℃, and the submersible pump cable can be used in a high-temperature oil well environment.
The oil-repellent layer 13 is formed by extruding ethylene-tetrafluoroethylene copolymer (ETFE) on the insulating layer 12 through an extrusion die of a high-temperature extruder, and then the oil-repellent layer 13 is crosslinked through electron beam irradiation crosslinking equipment, so that the ethylene-tetrafluoroethylene copolymer (ETFE) is changed into a crosslinked ethylene-tetrafluoroethylene copolymer (XETFE). The ethylene-tetrafluoroethylene copolymer (ETFE) is crosslinked to improve the use temperature and the acid and alkali resistance, so that the high temperature resistance and the corrosion resistance of the oil-proof layer 13 are further improved, oil gas with corrosive media is difficult to further penetrate into the insulating layer, and the submersible pump cable is better applied to the oil well environment.
Furthermore, oil-resistant layer 2 is that ethylene-tetrafluoroethylene copolymer (ETFE) area is around the outside of wrapping at 3 cable cores 1, and it has good corrosion resisting property, and is applicable to fuel, oil or acid-base environment very much, can further protect inside 3 cable cores 1 to avoid corroding, improves the life of cable.
Armor 3 is for adopting Monel wrinkle steel band to indulge the package through argon arc welding, and its gap is less than traditional chain armor, and the compactness is stronger, can prevent better that contain inside corrosive oil gas infiltration cable, guarantees the normal work of cable.
Other structures of the high-temperature-resistant and corrosion-resistant circular submersible pump cable described in the embodiment are referred to in the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (5)
1. A high-temperature-resistant anticorrosion circular submersible pump cable is characterized by comprising a plurality of cable cores (1) with the same structure, and an oil-resistant layer (2) and an armor layer (3) which are wrapped outside the cable cores (1);
each cable core (1) sequentially comprises a plurality of power supply units (11), an insulating layer (12) and an oil-proof layer (13) from inside to outside, wherein the insulating layer (12) is made of polyether ether ketone (PEEK) through extrusion;
the oil-resistant layer (2) is formed by wrapping an ethylene-tetrafluoroethylene copolymer (ETFE) belt outside the cable cores (1);
the armor layer (3) is formed by wrapping Monel corrugated steel pipes outside the oil-resistant layer (2), and the Monel corrugated steel pipes are formed by embossing Monel steel strips after longitudinal welding through argon arc welding.
2. The high temperature resistant anticorrosion circular submersible pump cable of claim 1, wherein: the oil-proof layer (13) is made of ethylene-tetrafluoroethylene copolymer (ETFE) through extrusion, and the oil-proof layer (13) is crosslinked through electron beam irradiation crosslinking equipment.
3. The high temperature resistant anticorrosion circular submersible pump cable of claim 1, wherein: each power supply unit (11) is a tinned anaerobic copper wire conductor which is a solid conductor or a stranded conductor.
4. The high temperature resistant anticorrosion circular submersible pump cable of claim 1, wherein: the number of the cable cores (1) is 3, and each cable core (1) is arranged inside the oil-resistant layer (2) in a mutually clinging manner.
5. The high temperature resistant anticorrosion circular submersible pump cable of claim 4, wherein: and 3 PP ropes are filled between the cable cores (1) and the oil-resistant layer (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996920 | 2019-06-28 | ||
| CN2019209969201 | 2019-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210295991U true CN210295991U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573266.XU Active CN210295991U (en) | 2019-06-28 | 2019-09-20 | High-temperature-resistant and corrosion-resistant circular oil-submersible pump cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210295991U (en) |
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2019
- 2019-09-20 CN CN201921573266.XU patent/CN210295991U/en active Active
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