CN202645513U - Non-metal compound continuous tube and electric submersible pump system - Google Patents
Non-metal compound continuous tube and electric submersible pump system Download PDFInfo
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- CN202645513U CN202645513U CN 201220127007 CN201220127007U CN202645513U CN 202645513 U CN202645513 U CN 202645513U CN 201220127007 CN201220127007 CN 201220127007 CN 201220127007 U CN201220127007 U CN 201220127007U CN 202645513 U CN202645513 U CN 202645513U
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- compound continuous
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Abstract
The utility model relates to oil extraction equipment special for oil fields, in particular to a non-metal compound continuous tube and an electric submersible pump system. The technical scheme of the non-metal compound continuous tube is that a cable is embedded in the non-metal tube wall, the tube wall is sequentially formed by an inner tube (9), an inner layer steel wire net (10), an embedded layer (11), an outer layer steel wire net (12), a protection layer (13) and the like from inside to outside, and the cable is positioned in the embedded layer (11). The electric submersible pump system using the non-metal compound continuous tube is mainly composed of the non-metal compound continuous tube, a well head device and an underground unit. The non-metal compound continuous tube and the electric submersible pump system can reduce complex degree of operation for lifting and descending a pump. Simultaneously, heat of the cable can reduce the viscosity of extraction liquid and prevent wax precipitation on the tube wall.
Description
Technical field
The present invention relates to a kind of oil field special-purpose oil production equipment, particularly a kind of nonmetal compound continuous-tube and Electric Submersible Pump System.
Background technology
Present Electric Submersible Pump System, armored cable is as transmitting electric power and the passage of electronic signal, and the coupling type metal oil conduit is as the passage of carrying the down-hole Produced Liquid, and both are clamped together with strain relief clamp in sleeve pipe.During lower pump, connect single oil pipe and transfer, need simultaneously the cable that is coiled on the cylinder is decontroled interval installing cables clamp with suitable speed; When playing pump, promote tubing string and shackle, need simultaneously to take off strain relief clamp and with cable hank on cylinder.Above-mentioned operation is numerous and diverse, and labour intensity is large.It is chaotic that cable winding often occurs in operation, causes scratch, pushes, collides with etc.The dissipation of heat of armored cable can not heat the Produced Liquid in the oil pipe between the tubing and casing.At present, need a kind of Electric Submersible Pump System, to solve discrete the making up a joint and filling that the strain relief clamp operation is numerous and diverse, the cable fault rate high and be unsuitable for the problem such as heavy crude producing of causing of coupling type metal oil conduit and armored cable.
Summary of the invention
For defects, the invention provides a kind of nonmetal compound continuous-tube simple in structure, easy to use, with low cost, the Electric Submersible Pump System that is mated use is provided simultaneously, can reduce lower the numerous and diverse degree of pump operation by enforcement of the present invention, solve simultaneously the defective that present cable heat can not reduce Produced Liquid viscosity and prevent wall wax deposition.
A kind of nonmetal compound continuous-tube at first is provided, and its technical scheme is: the embedded dress cable of nonmetal tube wall.Nonmetal compound continuous-tube joint length can be selected according to actual production, and joint length reaches hundreds of rice to several kms, can be coiled on the cylinder, and material can be chosen as has certain pliability and tension compressive strength macromolecular material.This kind structure does not need not need the installation and removal clamp with making up a joint, and can utilize the cable heat in the tube wall to reduce Produced Liquid viscosity and prevent wall wax deposition simultaneously.
In order further to improve intensity, pliability and the corrosion resistance of nonmetal compound continuous-tube, can adapt to for a long time the subsurface environments such as high temperature, high pressure, casing deformation, we make following further improvement to its structure: the tube wall of nonmetal compound continuous-tube is made of inner tube, steel wire of internal layer net, setting-in layer, cover wire net, overcoat etc. from inside to outside successively, and two-layer gauze wire cloth is the wire braid of tubular; Described cable is positioned at the setting-in layer.Also be embedded with steel cable in the setting-in layer; Steel cable can be designed as being arranged symmetrically in and twists with the fingers on the same circumference to opposite two, and cable is arranged in its both sides; Described cable comprises power cable and signal cable.
A kind of Electric Submersible Pump System of using above-mentioned nonmetal compound continuous-tube then is provided, and system mainly is comprised of nonmetal compound continuous-tube, wellhead assembly, Set under a well.
In order to cooperate the use of nonmetal continuous-tube, we with wellhead assembly be improved to comprise from top to bottom interconnective for connecting land cable cable head, be used for fixing steel cable and oil transportation the steel cable suspension device, be used for sealing annular space between nonmetal compound continuous-tube and the wellhead assembly the clad pipe packer, be used for fixing clad pipe fixator and the big four of nonmetal compound continuous-tube.Structure those skilled in the art of above-mentioned all parts are designed, designed as required, as long as can reach above-mentioned functions.
The technique effect that will realize according to all parts in the above-mentioned wellhead assembly, our designed, designed a kind of concrete structure, described cable head is to be made of cable head housing, upper sealing block and lower seal piece, upper sealing block is for being inverted V-structure, pass through nut compressing, the lower seal piece comprises mutually chimeric two, connects by flange to compress; Described steel cable suspension device is the four-way structure, and two side flanges connect fuel delivery valve, and processing V-arrangement slip spider is installed the slips dish in the hanger in the V-arrangement slip spider, and slips disk center opens cable through-hole, and respectively arranges steel cable through hole and steel cable locking member in both sides; The inner sealing damper that is symmetric of installing of described clad pipe packer, the sealing damper outside is the sealing damper framework, main body is installed adjustable hold-down cylinder all around for the inner sealing brake lining that matches with compound continuous-tube; Clamp nut is installed in the upper end of described clad pipe fixator, and inside, lower end is the V-arrangement slip spider, installing card tile fragment in it, and slip segment is outside to match with body, and inner and compound continuous-tube matches, and at the anti-skidding fin of inner surface processing.
For make nonmetal compound continuous-tube convenient, be fastenedly connected Set under a well, we have designed again a kind of special connecting piece, its upper end be the plug-in mounting joint, the appearance of plug-in mounting joint is processed anti-skidding fin; Interlude is symmetrical processing a plurality of deep holes (corresponding with steel cable quantity) on tube wall, arrange fastening bolt along deep hole; The outside pressure strip of installing, the oil pipe clamp makes it compress compound continuous-tube.The order that Set under a well connects from top to bottom is bleeder, waterpower tubing anchor, ball-and-seat, down-hole pump and submersible electric machine with oil; Described down-hole pump is centrifugal submersible electric pump, linear reciprocating submersible electric pump or screw submersible electric pump.
Than prior art, beneficial effect of the present invention is:
1, adopt compound continuous-tube to replace armored cable and coupling type metal oil conduit.Lower pump and a pump flow chart are simple, and compound continuous-tube directly is wrapped in above the cylinder, and not needing does not need the installation and removal clamp with making up a joint, and has reduced workload and operation land used.
2, nonmetal compound continuous-tube has adopted the multi-layer wall structure, and setting-in gauze wire cloth, steel cable etc. have intensity, pliability and corrosion resistance in the tube wall.Can adapt to for a long time the subsurface environments such as high temperature, high pressure, casing deformation.
3, the Special wellhead device among the present invention and special connecting piece are adapted to nonmetal compound continuous-tube, have solved the problem that can't utilize box cupling to connect of nonmetal compound continuous-tube.
4, nonmetal compound continuous-tube pliability is better, pump can be lowered in inclined shaft and the horizontal well, is applicable to the exploitation of inclined shaft and horizontal well;
5, the Produced Liquid in the direct heating tube of cable in the nonmetal compound continuous-tube plays the effect that reduces viscosity and prevent wall wax deposition, is applicable to the exploitation of high sticking and waxy crude oil.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention,
Fig. 2 is the structural representation of nonmetal compound continuous-tube of the present invention,
Fig. 3 is the cross section view of Fig. 2,
Fig. 4 is nonmetal compound continuous-tube storage configuration schematic diagram of the present invention,
Fig. 5 is Special wellhead apparatus structure schematic diagram of the present invention,
Fig. 6 is cable head structural representation of the present invention,
Fig. 7 is steel cable suspension device structural representation of the present invention,
Fig. 8 is clad pipe packer construction schematic diagram of the present invention,
Fig. 9 is the cross section view of Fig. 8,
Figure 10 is clad pipe fixer structure schematic diagram of the present invention,
Figure 11 is down-hole of the present invention special connecting piece structural representation,
Figure 12 is down-hole of the present invention submersible electric pump modular construction schematic diagram.
1-Special wellhead device among the figure, 2-land cable, 3-junction box, the 4-switch board, the nonmetal compound continuous-tube of 5-, 6-special connecting piece, the 7-Set under a well, 8-power cable, 9-inner tube, 10-steel wire of internal layer net, 11-setting-in layer, 12-cover wire net, the 13-overcoat, 14-steel cable, 15-signal cable, 16-clad pipe cylinder, 17-cable head, 18-steel cable locking member, 19-slips dish, 20-steel cable suspension device, 21-clad pipe packer, 22-clad pipe fixator, 23-big four, 24-slip segment, the 25-clamp nut, 26-sealing damper, 27-hold-down cylinder, 28-steel cable suspension device body, the upper sealing block of 29-, 30-lower seal piece, 31-packer body, 32-cylinder body, 33-leading screw, the 34-polished rod, 35-sealing ring, 36-sealing damper framework, 37-seals brake lining, the 38-locking pin, 39-sealing mat 40-clad pipe retainer body, 41-fastening bolt, the 42-gate gurgle valve, the 43-anchor fluke, 44-waterpower tubing anchor body, 45-ball-and-seat, the 46-down-hole pump, the 47-submersible electric machine with oil, 48-junction box, 49-strain relief clamp, the 50-flat cable, 51-oil pipe clamp, 52-pressure strip, 53-connector body.
The specific embodiment
Below in conjunction with accompanying drawing 1-12 a kind of embodiment of the present invention is described.
A kind of nonmetal compound continuous-tube Electric Submersible Pump System is comprised of nonmetal compound continuous-tube 5, Special wellhead device 1, Set under a well 7, special connecting piece 6, land cable 2, junction box 3 and switch board 4 etc.
Nonmetal compound continuous-tube 5 tube cores are circular, are used for carrying the Produced Liquid of Set under a well; Tube wall is followed successively by inner tube 9, steel wire of internal layer net 10, setting-in layer 11, cover wire net 12, overcoat 13 from inside to outside.Two steel cables 14 that setting-in is arranged symmetrically with in the setting-in layer 11, and the rotation direction of two steel cables is opposite, such as: the sth. made by twisting of a steel cable is to left-handed, and then the sth. made by twisting of another root steel cable is to dextrorotation; Cable, totally four are arranged in the steel cable both sides in the setting-in layer.Wherein three is that 8, one single-phase of power cables are signal cable 15, and signal cable 15 is sub-thread or multiply according to the needs of signal transmission.Inside and outside gauze wire cloth 10,12 is the wire braid of tubular.Inner tube 9 and overcoat 13 are macromolecular material, have certain pliability and tension compressive strength.
Special wellhead device 1 flange is installed on the casing head housing, is connected with compound continuous-tube 5 upper ends.Special wellhead device 1 is used for fixing compound continuous-tube 5, the annular space between the packing tubing and casing.It is comprised of cable head 17, steel cable suspension device 20, clad pipe packer 21, clad pipe fixator 21 and big four 23 from top to bottom.
Cable head 17 shells wherein are coniform, the upper end making circular hole, and the upper sealing block 29 of an integral body of interior installation by nut compressing, produces sealing function; Two mutual chimeric lower seal pieces 30 are installed in the cone of bottom, and the thrust that produces in connection procedure by lower flange seals.
Steel cable suspension device 20 flanges are connected to the lower end of cable head 17, the both sides flange connecting gate valve, steel cable suspension device 20 interior processing one V-arrangement slip spiders, slips dish 19 with matching is installed in the slip spider, the cable through-hole of ground output cable was opened at slips dish 19 centers, and respectively opened the steel cable through hole that passes steel cable in the both sides of cable through-hole.Steel cable locking member 18 is installed on the slips dish 19.
Clad pipe packer 21 flanges are connected in the lower end of steel cable suspension device 20.Processing rectangle annular groove is installed sealing damper 26 in the body in the rectangle annular groove, and sealing damper 26 outsides are steel sealing damper framework 36, the rubber mass sealing brake lining 37 that inner setting-in matches with the clad pipe overcoat; Machining screw through hole around clad pipe packer 21 is used for installing hold-down cylinder 27.
Clad pipe fixator 22 flanges are connected in the lower end of clad pipe packer 21, the inner clamp nut 25 that hollow is installed in clad pipe fixator 22 upper ends.Inside, lower end is the V-arrangement slip spider, and two slip segments 24 are installed, and the fin that inner surface processing is anti-skidding is matched in slip segment 24 outsides with the V-arrangement slip spider.22 times end flanges of clad pipe fixator connect big four 23, big four 23 both sides flange connecting gate valves.
The upper end of special connecting piece 6 is the plug-in mounting joint, and the anti-skidding fin of external surface processing of plug-in mounting joint bores symmetrical axial deep hole on the interlude outer wall of special connecting piece, load fixing bolt 41 along deep hole.Periphery is installed four pressure strips 52, and the head of pressure strip 52 is for placing the twice sipes of oil pipe clamp 51, and afterbody is fixed in special connecting piece 6 groove all around with fastening bolt 41.Special connecting piece 6 upper ends connect compound continuous-tube 5, lower end connecting downhole unit 7.
Set under a well 7 is comprised of bleeder 42, waterpower tubing anchor 44, ball-and-seat 45, down-hole pump 46 and submersible electric machine with oil 47 etc. from top to bottom.Little flat cable 50 draws power cable 8 and signal cable 15 receives junction box 48, middlely is fixed on the Set under a well 7 with strain relief clamp 49.
Concrete fitting operation:
1, connecting downhole unit.Connect successively from top to bottom special connecting piece 6, bleeder 42, waterpower tubing anchor 44, ball-and-seat 45, down-hole pump 46 and submersible electric machine with oil 47.
2, connect compound continuous-tube 5 and special connecting piece 6.Compound continuous-tube 5 opening parts that are coiled on the cylinder are peeled off, power cable 8, signal cable 15 and steel cable 14 are told from tube wall.Compound continuous-tube 5 is inserted into the interface of special connecting piece 6, clamps with oil pipe clamp 51.With little flat cable 50 power cable 8 and signal cable 15 are drawn and to receive junction box 48.Steel cable 14 is inserted in the deep hole of special connecting piece 6 tube walls, and is fixing with fastening bolt 41.
3, big four 23 is connected connection with the clad pipe retainer body, is installed on the casing head housing base of well head.
4, check and lower pump.The service behaviour of check waterpower tubing anchor 44 guarantees that a whole set of Set under a well 7 is working properly.Utilize continuous tube injection head device prior art to set the well depth place in compound continuous-tube 5 and Set under a well 7 lower going-into-wells.
5, connect Special wellhead device 1 and compound continuous-tube 5.Adjust the clamp nut 25 of clad pipe fixator 22, slip segment 24 is clamped.Section after compound continuous-tube 5 being reserved the surplus of 1m.Clad pipe packer 21 is installed, is regulated hold-down cylinder 27, make sealing damper clamp 26.Steel cable suspension device 20 is installed, and steel cable passes through the steel cable through hole, and is fixed on the steel cable locking member 18.Installing cables head 17 draws cable and seal.
6, the grappling Set under a well 7.Fuel delivery valve input water under high pressure by Special wellhead device 1 is anchored on the casing wall waterpower oil pipe anchor fluke 43.
7, connect ground installation and transmission operation.Connect land cable 2, junction box 3 and switch board 4, transmission operation.
Claims (9)
1. a nonmetal compound continuous-tube is characterized in that: the embedded dress cable of nonmetal tube wall.
2. a kind of nonmetal compound continuous-tube according to claim 1 is characterized in that: the tube wall of described nonmetal compound continuous-tube is made of inner tube (9), steel wire of internal layer net (10), setting-in layer (11), cover wire net (12), overcoat (13) from inside to outside successively; Described cable is positioned at setting-in layer (11).
3. a kind of nonmetal compound continuous-tube according to claim 2 is characterized in that: also be embedded with steel cable (14) in the described setting-in layer.
4. a kind of nonmetal compound continuous-tube according to claim 3 is characterized in that: described steel cable (14) is twisted with the fingers to opposite two for being arranged symmetrically on the same circumference, and described cable arrangements is in the both sides of steel cable.
5. application rights requires the Electric Submersible Pump System of the described nonmetal compound continuous-tube of 1-4, and it is characterized in that: system mainly is comprised of nonmetal compound continuous-tube (5), wellhead assembly (1), Set under a well (7).
6. Electric Submersible Pump System according to claim 5 is characterized in that: described wellhead assembly comprise from top to bottom interconnective for connecting land cable cable head (17), be used for fixing steel cable (14) and oil transportation steel cable suspension device (20), be used for sealing the clad pipe packer (21) of annular space between nonmetal compound continuous-tube (5) and the wellhead assembly (1), for clad pipe fixator (22) and the big four (23) of fixing nonmetal compound continuous-tube (5).
7. Electric Submersible Pump System according to claim 6, it is characterized in that: described cable head (17) is to be made of cable head housing (17), upper sealing block (29) and lower seal piece (30), upper sealing block (29) is for being inverted V-structure, pass through nut compressing, lower seal piece (30) comprises mutually chimeric two, connects by flange to compress; Described steel cable suspension device is the four-way structure, two side flanges connect fuel delivery valve, and processing V-arrangement slip spider is installed slips dish (19) in the hanger in the V-arrangement slip spider, cable through-hole is opened at slips dish (19) center, and respectively arranges steel cable through hole and steel cable locking member (18) in both sides; The inner sealing damper (26) that is symmetric of installing of described clad pipe packer (21), sealing damper (26) outside is sealing damper framework (36), main body is installed adjustable hold-down cylinder (27) all around for the inner sealing brake lining (37) that matches with compound continuous-tube (5); Clamp nut is installed in the upper end of described clad pipe fixator (22), inside, lower end is the V-arrangement slip spider, installing card tile fragment (24) in it, and slip segment (24) is outside to match with body (40), inner and compound continuous-tube (5) matches, and at the anti-skidding fin of inner surface processing.
8. according to the described Electric Submersible Pump System of the arbitrary claim of 5-7, it is characterized in that: described nonmetal compound continuous-tube (5) is connected with Set under a well (7) by special connecting piece (6), described special connecting piece (6) upper end is the plug-in mounting joint, the anti-skidding fin of appearance processing of plug-in mounting joint; Interlude is a plurality of deep holes of symmetrical processing on tube wall, arrange fastening bolt (41) along deep hole; The outside pressure strip (52) of installing, oil pipe clamp (51) makes it compress compound continuous-tube.
9. according to the described Electric Submersible Pump System of the arbitrary claim of 5-7, it is characterized in that: the order that described Set under a well (7) connects from top to bottom is bleeder (42), waterpower tubing anchor (44), ball-and-seat (45), down-hole pump (46) and submersible electric machine with oil (47); Described down-hole pump is centrifugal submersible electric pump, linear reciprocating submersible electric pump or screw submersible electric pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127007 CN202645513U (en) | 2012-03-30 | 2012-03-30 | Non-metal compound continuous tube and electric submersible pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220127007 CN202645513U (en) | 2012-03-30 | 2012-03-30 | Non-metal compound continuous tube and electric submersible pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645513U true CN202645513U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220127007 Withdrawn - After Issue CN202645513U (en) | 2012-03-30 | 2012-03-30 | Non-metal compound continuous tube and electric submersible pump system |
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| Country | Link |
|---|---|
| CN (1) | CN202645513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606114A (en) * | 2012-03-30 | 2012-07-25 | 胜利油田高原石油装备有限责任公司 | Nonmetal composite continuous tube and electrical submersible pump system |
| CN113107865A (en) * | 2021-04-18 | 2021-07-13 | 深圳景嘉机电科技有限公司 | Multifunctional submersible pump ground control device |
-
2012
- 2012-03-30 CN CN 201220127007 patent/CN202645513U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606114A (en) * | 2012-03-30 | 2012-07-25 | 胜利油田高原石油装备有限责任公司 | Nonmetal composite continuous tube and electrical submersible pump system |
| CN102606114B (en) * | 2012-03-30 | 2014-08-13 | 胜利油田高原石油装备有限责任公司 | Nonmetal composite continuous tube and electrical submersible pump system |
| CN113107865A (en) * | 2021-04-18 | 2021-07-13 | 深圳景嘉机电科技有限公司 | Multifunctional submersible pump ground control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |