CN207200143U - A kind of high pressure resistance sealing structure cable penetration device - Google Patents
A kind of high pressure resistance sealing structure cable penetration device Download PDFInfo
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- CN207200143U CN207200143U CN201721121359.XU CN201721121359U CN207200143U CN 207200143 U CN207200143 U CN 207200143U CN 201721121359 U CN201721121359 U CN 201721121359U CN 207200143 U CN207200143 U CN 207200143U
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- penetration device
- cable
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- sealing structure
- high pressure
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Abstract
The utility model provides a kind of high pressure resistance sealing structure cable penetration device, tubing hanger and upper flange is run through on oil well with oil submersible pump mouth, and connect a kind of device of power supply on electric submersible pump and well.The cable penetration device newly developed designs Novel O-shaped ring combined sealing structure on its body, establishes reliable sealing；Contact stress conical surface sealing structure is used at joint coupling；Solve the problems such as spacing between high pressure, heavy current and cable is small from " insulation compound " plus High-molecular rubber material, and devise and pass through rod, penetration device is had the characteristics that installation is rapid, security is good, sealing is high, stable and reliable for performance and easy to operate.
Description
Technical field
The invention belongs to drilling and production technology field, more particularly to a kind of high pressure resistance sealing structure cable penetration device.
Background technology
With the development of petroleum exploration in China exploitation cause, offshore field, the dynamics of low pressure oil well exploitation are increasing, with
The electric submersible pump comprehensive oil extraction technology to match also developed rapidly.Cable penetration device is a kind of is used in electric submersible pumping
Run through tubing hanger and upper flange on well head, and connect the device of power supply on underground electric submersible pump and well, it changes traditional cable
Mode is passed through, has the characteristics that security is good, sealing is high, easy to operate.
But the cable penetration device on current domestic electric submersible pump well head, because installation, maintenance is cumbersome, far from meeting Automated water
The needs of flat development, and the performance such as sealing, anti-breakdown, explosion-proof is bad, can not squeeze into the international market.The country is using two-part
Structure, entirety are passed through, are convenient such as the cable penetration device aspect or blank of electrical prong structure formula.According to electric immersible pump well in recent years
Mouth market sales volume statistics, the market demand linear ramps of this cable penetration device, along with China's three major petroleum corporations exist
The continuous expansion of foreign oil exploitation engineering, demand can be bigger, and developing this product has wide market prospects.In addition, I
State's ocean drilling and producing platform and land low pressure well, heavy oil wells are also badly in need of stable and reliable for performance, easy to operate novel cable penetration device.
Novel wellhead cable penetration device lifts China's electric immersible pump well to the gentle technology content of Automated water of the domestic electric submersible pump well head of raising
The competitiveness in the international market of jaws equipment, seem particularly significant.
Therefore, invent a kind of high pressure resistance sealing structure cable penetration device and seem very necessary.
Utility model content
The purpose of this utility model is to provide a kind of service life length, the high high pressure resistance sealing structure cable of security performance
Penetration device.
A kind of high pressure resistance sealing structure cable penetration device, comprising penetration device main body and ground angle plug, the penetration device master
Body is connected by main body with sealed bottom external threading；The main body endoporus has a root conduction copper core assembly, after the conduction copper core assembly
Portion passes through connecting copper pipe and cable connection；The conduction copper core assembly External infusion epoxy resin, can bear high pressure sealing, together
Shi Kongyong back-up rings 13 realize positioning；The penetration device body trailing end threaded connection reinforcing sleeve bottom；Filled inside the sealing shroud
Nitrile rubber；The penetration device body trailing end is realized by stage sealing ring and sealed；The penetration device main body and ground quarter bend
Realized and be electrically connected by grafting between plug.
Further, contact stress conical surface sealing structure is used between main body and ground angle plug at coupling.
Further, it is epoxy resin segment in cable penetration device main body and downhole cable junction.
Further, sealing gasket is designed between the epoxy resin tail end main body and cable, sealing gasket internal-and external diameter is provided with O
Type circle.
Further, it is made up of in the middle part of the cable core multi-stage annular cone tank.
Compared with prior art, the utility model has the advantages that：Because one kind of the present utility model is high pressure resistant
Sealing structure cable penetration device is widely used in screw technique field.Meanwhile the beneficial effects of the utility model are：This practicality is new
Connection of the mode of connection of type cable penetration device equivalent to attaching plug and socket.During cable penetration well head, passed through using one
Rod, carries external screw thread and seal on rod, and rod top is furnished with quick cable socket, and directly will be travelling through rod during installation passes through tubing hanger
With production tree preformed hole, well head is integrally passed through, integrally passes through well head, then plugs quick cable plug, therefore rapid, behaviour is installed
Make easy, safe and reliable.
Brief description of the drawings
Fig. 1 is assembling figure of the present utility model；
Fig. 2 is the structural representation of main body of the present utility model；
In figure：1st, main body；2nd, conduction copper core assembly；3rd, sealed bottom set；4th, connecting copper pipe；5th, sealing gasket；6th, reinforcing sleeve；
7th, sealed bottom ring；8th, EP rubbers；9th, epoxy resin；10th, nitrile rubber；11st, O-ring；12nd, O-ring；13rd, hole back-up ring；
14th, tail end epoxy resin；21st, penetration device main body；22nd, ground angle plug.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
Embodiment：As shown in Figure 1 and Figure 2, a kind of embodiment as the present invention, the cable penetration device are included comprising passing through
Device main body 21 and ground right angle angle plug 22.Penetration device main body is threadedly coupled by main body 1 with sealed bottom set 3, and the endoporus of main body 1 has
3 conduction copper core assemblies 2, the rear portion of conduction copper core assembly 2 pass through connecting copper pipe 4 and cable connection.Note the outside of conduction copper core assembly 2
Penetrate epoxy resin 9, front portion injection EP rubbers 8 realizes sealing so that cable penetration device has anti-high pressure, high temperature resistant, corrosion-resistant
The advantages that.Sealing gasket 5 is designed between the tail end main body 1 of epoxy resin 9 and cable, the internal-and external diameter of sealing gasket 5 is provided with the He of O-ring 11
12, high pressure sealing can be born, while hole is realized with back-up ring 13 and positioned.The threads connection reinforcing sleeve 6 of penetration device main body 1 is realized
Booster action.The inside filling nitrile rubber 10 of sealed bottom set 3, penetration device body trailing end are realized by stage sealing ring 7 and sealed.
Realized and be electrically connected by grafting between penetration device main body and ground right angle angle plug.
Operation principle
Required main material has made substantial amounts of simulated test, have chosen following material meticulously.
1st, the material selection structural alloy steel of cable penetration device body shell, it is applied to the Oil/gas Well of general corrosion；
Stainless steel, suitable for the Oil/gas Well of highly corrosive.
For the case material of angle plug all using stainless steel, its intensity is good, corrosion-resistant, under the outdoor corrosive atmosphere in ground
Not corrosion.
2nd, cable penetration device host conductive bar and angle plug conductive tube, the conductive material of cable pin are from bronze
Rod.Its intensity is good, heatproof is high, electric conductivity is excellent.The selection of conductor material.Understood according to heat Calculation formula Q=I2Rt, in electricity
In the case that stream I, time t are certain, to reduce heat caused by wire should be also simultaneous as far as possible from the low material of resistivity
Gu Chengben.From beallon as wire, the rigidity of wire was both ensured, there is less resistivity again.3 cables will jail
Gu within cable penetration rod, need to be fixed 3 wires with fixing device, guarantee is parallel, and meets the minimum between wire
Spacing, therefore be addressed using high pressure, molding, rubber curing techniques.Cable connector socket then uses precision casting technology system
Make.Extensibility sealing ring appearance profile is in reverse-s shape, is the seal of thin-wall complicated shape, can only be added using compression-moulding methods
Work.In order to ensure the reliability of its long-term work and creep resistance, the part is manufactured from high temperature deformation alloy.
3rd, epoxy resin is selected in bosom insulation sealing shaping, and it insulate, intensity is high, heatproof is high, and heat conductivility is good
It is good, it is not required to heating, drying, but spontaneous curing at normal temperatures.The bonding of rubber is particularly conducive to, also saves the energy.
4th, the insulating tape used in inside uses the teflon pressure sensitive adhesive tape and polytetrafluoroethylene (PTFE) Asia sensitive tape of import, and heat is received
The draw selects fluoroplastics heat-shrinkable tube, and they insulate, heatproof is high, sealing property is excellent.
5th, the insulated enclosure of body trailing end uses the electro-insulating rubber that oneself is prepared, and its heatproof is high, insulate, sealing property is excellent
It is good.The insulated enclosure on main body top uses the face rubber oneself prepared, and it has insulation, weathering, fire-retardant, explosion-proof, oil resistant, water,
The function of the corrosive gas such as resistance to CO2, H2S.
6th, the bonding of rubber and steel, rubber and rubber, rubber and cable employs import adhesive, and it, which is bonded, firmly may be used
Lean on, ensure that overall sealing property.
Using technical scheme described in the utility model, or those skilled in the art is in technical solutions of the utility model
Under inspiration, similar technical scheme is designed, and reaches above-mentioned technique effect, is to fall into protection model of the present utility model
Enclose.
Claims (5)
1. a kind of high pressure resistance sealing structure cable penetration device, includes penetration device main body and ground angle plug, it is characterised in that described
Penetration device main body is connected by main body with sealed bottom external threading；The main body endoporus has root conduction copper core assembly, the conductive copper
Core assembly rear portion passes through connecting copper pipe and cable connection；The conduction copper core assembly External infusion epoxy resin, can bear height
Means of press seals, while hole is realized with back-up ring 13 and positioned；The penetration device body trailing end threaded connection reinforcing sleeve bottom；The sealing shroud
Inside filling nitrile rubber；The penetration device body trailing end is realized by stage sealing ring and sealed；The penetration device main body and ground
Realized and be electrically connected by grafting between face right angle angle plug.
A kind of 2. high pressure resistance sealing structure cable penetration device according to claim 1, it is characterised in that：Main body and ground are curved
Contact stress conical surface sealing structure is used between plug at coupling.
A kind of 3. high pressure resistance sealing structure cable penetration device according to claim 1, it is characterised in that：In cable penetration device
Main body and downhole cable junction are epoxy resin segment.
A kind of 4. high pressure resistance sealing structure cable penetration device according to claim 1, it is characterised in that：The epoxy resin
Sealing gasket is designed between tail end main body and cable, sealing gasket internal-and external diameter is provided with O-ring.
A kind of 5. high pressure resistance sealing structure cable penetration device according to claim 1, it is characterised in that：The cable core
Middle part is made up of multi-stage annular cone tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121359.XU CN207200143U (en) | 2017-09-04 | 2017-09-04 | A kind of high pressure resistance sealing structure cable penetration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121359.XU CN207200143U (en) | 2017-09-04 | 2017-09-04 | A kind of high pressure resistance sealing structure cable penetration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200143U true CN207200143U (en) | 2018-04-06 |
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ID=61790693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721121359.XU Active CN207200143U (en) | 2017-09-04 | 2017-09-04 | A kind of high pressure resistance sealing structure cable penetration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207200143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879581A (en) * | 2018-06-27 | 2018-11-23 | 中国石油天然气股份有限公司 | Cable connecting arrangement and cable connection methods |
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
-
2017
- 2017-09-04 CN CN201721121359.XU patent/CN207200143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879581A (en) * | 2018-06-27 | 2018-11-23 | 中国石油天然气股份有限公司 | Cable connecting arrangement and cable connection methods |
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
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