CN206363797U - A kind of anti-sulphur high temperature resistant electric cable of submersible pump - Google Patents

Abstract

The utility model is related to a kind of and matching used private cable of Electric Submersible Pump Unit, particularly a kind of anti-sulphur high temperature resistant electric cable of submersible pump, it includes three groups of cores being set up in parallel, also include two hollow pipelines and two tension cores, two hollow pipelines and two tension cores are located at middle core both sides respectively, two hollow pipelines are conllinear with the axle center of middle core three, two tension cores are conllinear with the axle center of middle core three, coolant filled with flowing in hollow pipeline, tension core is the core that Kafra fiber is woven into, core, wrapped up outside hollow pipeline and tension core by armor.Beneficial effect is：Pass through the tension core for setting the hollow pipeline and Kafra fiber of the internal coolant with flowing to be made, so that cable of the present utility model still has excellent electric property and mechanical performance while the mal-condition of Combustion in High Temperature High Sulfur well is born, while polyether-ether-ketone has excellent electrical insulation capability in the environment of high-temperature oil well.

Description

A kind of anti-sulphur high temperature resistant electric cable of submersible pump

Technical field

The utility model is related to a kind of and the matching used private cable of Electric Submersible Pump Unit, particularly a kind of resistance to height of anti-sulphur Warm electric cable of submersible pump.

Background technology

At present, in the oil well of hot environment, EP rubbers is often used using insulating barrier（Thermosetting resin）Or thermoplasticity Plastics, restrictive coating is used to connect oil-immersed pump using the cable of the materials such as nitrile rubber, lead, and often hydrogen sulfide contains in high-temperature oil well Amount is higher, and above-mentioned cable life is relatively low, and reliability is poor in the adverse circumstances of high-temperature oil well.

Because this new material density is low, intensity is high, good toughness, high temperature resistant, easy to process and shaping, its intensity is same Etc. 5 times of quality steel, but density be only steel 1/5th (Kevlar density be 1.44 grams per cubic centimeter, steel is close Spend for 7.859 grams per cubic centimeter), and be valued by people.Brand product material tough and hard wear resistant is drawn due to Kev, it is hard and soft Xiang Ji, with Achillean special ability." armoring bodyguard " is militarily referred to as, with the popularization of the material, manufacture Cost is greatly reduced, and it is become into possibility with field of cables.

The content of the invention

The utility model purpose is a kind of insulating properties of design, mechanical performance, and electrical property is good, can be in severe oil well Stable oil-immersed pump in the environment such as bearing temperature is high, hydrogen sulfide content is big, pressure change is big, mechanical load is big in environment warp Cable.

The technical scheme in the invention for solving the technical problem is：

A kind of anti-sulphur high temperature resistant electric cable of submersible pump, including three groups of cores being set up in parallel, in addition to two hollow pipelines and Two tension cores, two hollow pipelines and two tension cores are located at middle core both sides, two skies respectively The axle center of the core three of heart pipeline and the centre is conllinear, the axle of the core three of two tension cores and the centre The heart is conllinear, and the coolant filled with flowing in the hollow pipeline, the tension core is the core that Kafra fiber is woven into, Wrapped up outside the core, hollow pipeline and tension core by armor.

As a kind of optimal technical scheme of the present utility model, the core from inside to outside successively include conductor, insulating barrier, Restrictive coating, resistance to oil reservoir.

As a kind of optimal technical scheme of the present utility model, the conductor is that solid metallic conductor or stranded wire are led Body.

As a kind of optimal technical scheme of the present utility model, the insulating barrier is extruded for polyether-ether-ketone and is made.

As a kind of optimal technical scheme of the present utility model, the restrictive coating is that polyether-ether-ketone extrusion is made.

As a kind of optimal technical scheme of the present utility model, the resistance to oil reservoir is that poly tetrafluoroethylene or polyester film are wrapped And be made with Polyamide Yarns braiding.

As a kind of optimal technical scheme of the present utility model, the hollow pipeline and the core plane tangent of its both sides.

As a kind of optimal technical scheme of the present utility model, the armor is made up of Monel steel band.

The beneficial effects of the utility model are：

By above-mentioned technical scheme, by the hollow pipeline and Kafra fiber that set the internal coolant with flowing The tension core being made so that cable of the present utility model still has excellent while the mal-condition of Combustion in High Temperature High Sulfur well is born Electric property and mechanical performance, while polyether-ether-ketone in the environment of high-temperature oil well have excellent electrical insulation capability, height Heat resistance, prominent oil resistivity, resistance to dissolubility, good moisture-proof and lower temperature resistance, the anti-sulphur effect of Monel steel-tape armouring shows Write, improve cable service life, make the utility model that there is the inaccessiable advantage of electric cable of submersible pump of the prior art.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model cable end face.

In figure：100 cores, 110 conductors, 120 insulating barriers, 130 restrictive coatings, 140 resistance to oil reservoirs, 200 hollow pipelines, 300 resist Bracing wire core, 400 armors.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model, But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection Enclose.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area Divide description, and it is not intended that indicating or implying relative importance.

As shown in figure 1, a kind of anti-sulphur high temperature resistant electric cable of submersible pump, including three groups of cores 100 being set up in parallel, in addition to two During the hollow pipeline 200 of root and two tension cores 300, two hollow pipelines 200 and two tension cores 300 are located at respectively Between the both sides of core 100, the axle center of the three of core 100 of two hollow pipelines 200 and the centre is conllinear, described in two The axle center of tension core 300 and the three of the core of the centre 100 are conllinear, filled with the cold of flowing in the hollow pipeline 200 But liquid, the tension core 300 is the core that Kafra fiber is woven into, the core, hollow pipeline 200 and tension core Wrapped up outside 300 by armor 400.

Further, the core 100 includes conductor 110, insulating barrier 120, restrictive coating 130, oil resistant successively from inside to outside Layer 140.

Further, the conductor 110 is solid metallic conductor or stranded wire conductor.

Further, the insulating barrier 120 is extruded for polyether-ether-ketone and is made.

Further, the restrictive coating 130 is that polyether-ether-ketone extrusion is made.

Further, the resistance to oil reservoir 140 be poly tetrafluoroethylene or polyester film it is wrapped and with Polyamide Yarns braiding be made.

Further, the hollow pipeline 200 and the core plane tangent of its both sides.

Further, the armor 400 is made up of Monel steel band.

The utility model when in use, coolant is passed through into hollow pipeline, can reach the mesh to cable internal cooling , prevent its temperature too high and then influence electrical property.

Above-mentioned embodiment is only specific case of the present utility model, and scope of patent protection of the present utility model includes But the product form and style of above-mentioned embodiment are not limited to, it is any to meet claims of the present invention and any affiliated skill Appropriate change or modification that the those of ordinary skill in art field is done to it, should all fall into the scope of patent protection of the present invention.

Claims (8)

1. a kind of anti-sulphur high temperature resistant electric cable of submersible pump, including three groups of cores being set up in parallel, it is characterised in that also including two skies Heart pipeline and two tension cores, two hollow pipelines and two tension cores are located at middle core both sides, two respectively The axle center of the core three of hollow pipeline described in root and the centre is conllinear, the core of two tension cores and the centre The axle center of three is conllinear, and the coolant filled with flowing in the hollow pipeline, the tension core weaves for Kafra fiber Into core, wrapped up by armor outside the core, hollow pipeline and tension core.

2. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 1, it is characterised in that the core is from inside to outside Include conductor, insulating barrier, restrictive coating, resistance to oil reservoir successively.

3. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 2, it is characterised in that the conductor is solid gold Belong to conductor or stranded wire conductor.

4. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 2, it is characterised in that the insulating barrier is polyethers Ether ketone, which is extruded, to be made.

5. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 2, it is characterised in that the restrictive coating is polyethers Ether ketone extrusion is made.

6. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 2, it is characterised in that the resistance to oil reservoir is poly- four Fluoride film or polyester film it is wrapped and with Polyamide Yarns braiding be made.

7. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 1, it is characterised in that the hollow pipeline and its The core plane tangent of both sides.

8. a kind of anti-sulphur high temperature resistant electric cable of submersible pump according to claim 1, it is characterised in that the armor is for illiteracy You are made steel band.