CN205532513U - Preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable - Google Patents
Preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable Download PDFInfo
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- CN205532513U CN205532513U CN201620308568.4U CN201620308568U CN205532513U CN 205532513 U CN205532513 U CN 205532513U CN 201620308568 U CN201620308568 U CN 201620308568U CN 205532513 U CN205532513 U CN 205532513U
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Abstract
The utility model provides a preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable, including variable frequency control cabinet, the well head hanger, and the crossover sub that from top to bottom connects gradually, invert to be connected with between drop -down pump and linear motor well head hanger and the crossover sub and preset the compound pipe of cable, preset the compound intraductal cable that is provided with of cable, the variable frequency control cabinet output through power cable with preset in the compound pipe of cable the top connection of cable and be connected, preset in the compound pipe of cable that the lower clutch of cable passes through power cable and linear motor is electric is connected, preset and link together through vulcanizing the processing mode between the compound pipe of cable and well head hanger and the crossover sub. The device uses the on -metal to preset the compound pipe conduct liquid input channel of cable, has solved tubular metal resonator life's problem to the operation can go into to have reached out compound oil pipe down in succession, and the volume of reducing the construction operation reduces constructor intensity of labour by a wide margin, simplifies production string structure.
Description
Technical field
This utility model is specifically related to a kind of preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil.
Background technology
Electric submersible oil reciprocation pump oil recovery technique belongs to the one in downhole electrical motor Rodless oil extraction technology, has an advantage in that and can effectively eliminate oil side-abrasion of rod string, simplifies transmission link；But, electric submersible oil reciprocation pump needs by metal oil conduit as passage, and liquid is delivered to ground, needs single connection during metal oil conduit operation, and construction operation amount is relatively big, and personnel's operation intensity is big, and construction period is longer；Metal oil conduit is vulnerable to the corrosiveness of down-hole liquid when underground work simultaneously, and therefore the use time can shorten.
Domestic disclose some flexible composite pipe patents at present, as Chinese patent CN202176838U discloses a kind of petroleum gas industrial nonmetal flexible composite high pressure conveyer pipe, including nylon core, nylon core outer wall is coated with steel wire winding enhancement layer and overcoat, is provided with and is folded, by pros-and-cons type, the telescoping tube that steel plate occlusion rolls in described nylon core.This nonmetal flexible composite high pressure conveyer pipe is used for surface gathering and transferring, and its internal pressure resistance ability is preferable, but can not bear excessive pulling force, it is impossible to use in down-hole.
Chinese patent CN102889437A discloses a kind of flexible compound oil pipe, including tube layer in the macromolecule of pumped (conveying) medium, it is arranged at the macromolecule external tube layer outside tube layer in described macromolecule, it is arranged in described macromolecule on tube layer outer wall for resisting intrinsic pressure resistance to compression layer, and is arranged on the inwall of described macromolecule external tube layer for resisting the tensile layer of external tensile force.This flexible compound oil pipe can be used for down-hole, and this flexible compound oil pipe can be with Continuous maching, its length is not limited by processing, it is to avoid interconnective operation between many flexible compound oil pipe, but and its range of application undeclared and use ability, conventional pumping unit produce can not normally use.
Chinese patent CN202531035U discloses a kind of flexible compound oil pipe water injection string, water injection well equipment is threaded connection this tubing string lifting sub, lifting sub lower end is threaded connection adapter, upper adapter lower end connects flexible compound oil pipe by anti-decylization and outer locking device, flexible compound oil pipe lower end connects lower adapter by anti-decylization and outer locking device, lower adapter lower end is threaded adds oil pipe, adds oil pipe lower end and connects beveled tip.The flexible compound oil pipe of this tubing string has stronger antiseptic property, it is possible to the problem preferably solving the corrosion of reinjection well metal oil conduit, extends tubing string service life, but is not directed to oil well production string.
Further, since submersible electric machine with oil needs by cable power supply, during Downhole Construction, need Tong Bu to open down cable and oil pipe, add oil well operation flow process.
The flexible composite pipe of prior art is concentrated mainly on surface gathering and transferring, relates to the less of oil well application, and is all not directed to embedded preset cable.
Summary of the invention
The purpose of this utility model is to overcome metal tube in existing electric submersible oil reciprocation pump extracting device of oil to need single connection, great in constructing amount, and metal tube is easily corroded by down-hole liquid, the problem affecting service life.
For this, this utility model provides a kind of preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil, including frequency-conversion control cabinet, well mouth hanger, and the adapter being from top to bottom sequentially connected with, it is inverted drop-down pump and linear motor, connect between described well mouth hanger and adapter and have preset cable compound pipe, it is provided with cable in described preset cable compound pipe, described frequency-conversion control cabinet outfan is connected with the top connection of cable in preset cable compound pipe by power cable, in described preset cable compound pipe, the lower contact of cable is electrically connected with linear electric motors by power cable；
Linked together by sulfuration processing mode between described preset cable compound pipe and well mouth hanger and adapter.
Described preset cable compound pipe is made up of protective layer, enhancement Layer, tensile layer, cable, steel wire rope；Described protective layer, enhancement Layer and tensile layer set gradually from outside to inside, and steel wire rope is distributed in enhancement Layer outer periphery, and cable distribution is in protective layer.
Described protective layer material is EP rubbers.
Described enhancement Layer is for work out formation screen net structure continuously through glass fiber.
Described tensile layer is superhigh molecular weight polyethylene material.
Described cable is 3 strands, is evenly distributed in protective layer；The conductor wire core of cable is copper core, is coated with insulating barrier and overcoat the most from inside to outside, and insulating barrier material is plastics or PVC, and overcoat material is rubber.
Described steel wire rope is 6 strands, is evenly distributed on enhancement Layer outer periphery.
The beneficial effects of the utility model:
(1) in this utility model, preset cable compound pipe can connect processing and can guarantee that tension, internal pressure strength requirement, and can preferably solve the down-hole liquid etching problem to metal tube, extends the tubing string underground work life-span.
(2) in this utility model, between preset cable compound pipe and well mouth hanger and adapter, sulfuration processing is connected as the change of downhole production tubular column structure and provides preferable means, it is ensured that bonding strength, is adapted to the improvement of process.
(3) in this utility model, preset cable compound pipe uses the mode of preset cable that the mechanical protection performance of cable and insulating properties are the most effectively promoted; and operation can continuously under enter and trip out composite oil pipe; can significantly promote working performance, reduce labor intensity.
Below with reference to accompanying drawing, this utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil.
Fig. 2 is the structural representation of preset cable compound pipe in this utility model.
Description of reference numerals: 1, frequency-conversion control cabinet；2, well mouth hanger；3, preset cable compound pipe；4, adapter；5, it is inverted drop-down pump；6, linear motor；31, protective layer；32, enhancement Layer；33, tensile layer；34, cable；35, steel wire rope.
Detailed description of the invention
Embodiment 1:
nullIn order to overcome metal tube in existing oil-submersible linear motor extracting device of oil to need single connection，Great in constructing amount，And metal tube is easily corroded by down-hole liquid，The problem affecting service life，Present embodiments provide a kind of preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil as shown in Figure 1，Including frequency-conversion control cabinet 1，Well mouth hanger 2，And the adapter 4 being from top to bottom sequentially connected with，It is inverted drop-down pump 5 and linear motor 6，Connect between described well mouth hanger 2 and adapter 4 and have preset cable compound pipe 3，It is provided with cable 34 in described preset cable compound pipe 3，Described frequency-conversion control cabinet 1 outfan is connected with the top connection of cable 34 in preset cable compound pipe 3 by power cable，In described preset cable compound pipe 3, the lower contact of cable 34 is electrically connected with linear motor 6 by power cable.
Before this utility model preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil runs, frequency-conversion control cabinet 1 accesses electrical source of power from outside, frequency-conversion control cabinet 1 can test and show input current, voltage, and output electric current, voltage, is simultaneously provided with Motor Control function.Frequency-conversion control cabinet 1 outfan is connected with the top connection of cable 34 in preset cable compound pipe 3 by power cable, and carry out insulation, well mouth hanger 2 is installed at the topmost of preset cable compound pipe 3, adapter 4 top is connected with the sulfuration processing of preset cable compound pipe 3, and bottom is connected with being inverted drop-down pump 5 by pipe screw thread；It is inverted drop-down pump 5 to be threadeded by pipe with linear motor 6；In preset cable compound pipe 3, the lower contact of cable 34 is tightly connected with linear motor 6 energising by power cable, and electric energy is passed to linear motor 6, linear motor 6 drives the drop-down pump 5 of inversion to move reciprocatingly, and the liquid of down-hole is delivered to ground by the top connection of preset cable compound pipe 3.
This utility model preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil nonmetallic preset cable compound pipe 3 of use is as liquid input channel, and the most embedded preset cable so that the mechanical protection performance of cable and insulating properties are the most effectively promoted；And operation can continuously under enter and trip out composite oil pipe, construction operation amount is greatly lowered, reduces workmen's labor intensity, improve the antiseptic power of tubing string, extend the normal production time, simplify flow string structure.
Embodiment 2:
On the basis of embodiment 1, described well mouth hanger 2 is metal material, linked together by sulfuration processing mode between well mouth hanger 2 and preset cable compound pipe 3, its bonding strength is preset cable compound pipe 3 and well tool equipment hangs the weight into well, simultaneous with more than 2 times safety coefficients.
Described adapter 4 is manufactured by metal material, and upper end uses the method for sulfuration to link together with the processing of preset cable compound pipe 3, and the tensile strength of junction is higher than the tensile strength of preset cable compound pipe 3 body；Adapter 4 bottom is machined with tubing round thread, is connected with being inverted drop-down pump 5.
In this utility model, between preset cable compound pipe 3 and well mouth hanger 2 and adapter 4, sulfuration processing is connected as the change of downhole production tubular column structure and provides preferable means, it is ensured that bonding strength, is adapted to the improvement of process.Sulfuration is processed as prior art, is not described in detail here.
Embodiment 3:
On the basis of embodiment 1, described preset cable compound pipe 3 is made up of protective layer 31, enhancement Layer 32, tensile layer 33, cable 34, steel wire rope 35；Described protective layer 31, enhancement Layer 32 and tensile layer 33 set gradually from outside to inside, and steel wire rope 35 is distributed in enhancement Layer 32 outer periphery, and cable 34 is distributed in protective layer 31.
Described protective layer 31 material is EP rubbers, is preset one layer of guard shield of cable compound pipe 3 outermost, protects pipe inside all the components comprehensively, have good resistance to ag(e)ing, corrosion resistance and insulating properties.
Described enhancement Layer 32, for work out formation screen net structure continuously through glass fiber, has the highest hot strength and tear resistance, can increase substantially the internal pressure strength of tube wall, and compressive resistance can be adjusted as desired by number of braided strand, typically up to 20Mpa；Can be used for the injury preventing mechanical damage that cable and multiple tube are produced further.
Described tensile layer 33 is superhigh molecular weight polyethylene material, and its molecular weight is 2,000,000～5,000,000.As medium transfer layer, through extruding one-shot forming continuously.Polyethylene is the most common plastic resin, but high temperature can not be born, mechanical strength is not enough, and oil recovery non metal continuous oil pipe needs good heat resistance, anti-wear performance and proof stress performance, therefore, common polythene obviously can not meet, and ultra-high molecular weight polyethylene substantially increases the thermal deformation behavior of crosslinked polyethylene, anti-wear performance and chemical-resistance, heatproof is up to 90 DEG C, when internal diameter is 50mm, tensile strength is up to 15t, elongation at break is 7.6%, and smooth surface, coefficient of friction is little, it is resistant to the corrosion of hundreds of chemicals, common acid, alkali, salt, superelevation material is not the most corroded by organic solvent.Under natural lighting, its aging life-span is more than 50 years；Not expanding in water, water absorption rate is only the 1% of nylon, meets and uses requirement.
Described cable 34 is 3 strands, is evenly distributed in protective layer 31；The conductor wire core of cable 34 is copper core, is coated with insulating barrier and overcoat the most from inside to outside, and insulating barrier material is plastics or PVC, and overcoat material is rubber.
Owing to preset cable compound pipe 3 in use vertical tube runs, and hung linear motor 6, it is inverted drop-down pump 5 oil recovery unit such as grade, this just requires in use there is certain tensile strength, carry itself, pumped (conveying) medium and the weight of down-hole oil production unit, although tensile layer 33, the material itself that enhancement Layer 32 uses has tensile property, but also it is not enough to undertake load, and bigger deflection can be produced, so, enhancement Layer 32 outer periphery is uniformly distributed and is designed with 6 strand steel wire ropes 35 and independently undertakes load, improve intensity further, multiple tube is made to carry bigger pulling force, and prevent the vertical torque produced on multiple tube.
It is demonstrated experimentally that the preset cable compound pipe 3 being made up of above composite, maximum gauge can reach the needs of 50mm, disclosure satisfy that 3000m well depth requirement, internal pressure strength reaches 30MPa, and tensile strength reaches 300KN, heatproof 90 DEG C, it is possible to preferably ensure underground construction safety.
Preset cable compound pipe 3 in this utility model has preferable antiseptic power to down-hole liquid, and transporting resistance is little, light by 3/5 compared with the steel pipe of same specification, and lubricity, scaling property, wearability, chemical proofing are all much better than steel material；And, preset cable compound pipe 3 has preferable flexibility, can coil and carry out construction operation on cylinder, simultaneously its can long dimensioned, can need to process a continuous print tubing string according to well depth, maximum gauge can reach the needs of 50mm.
Well mouth hanger 2 top of the present utility model uses sealing structure and matches with well head electric pump, plays the effect closing oil jacket annular space.
Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, within the every and same or analogous design of this utility model belongs to protection domain of the present utility model.Parts that the present embodiment describes the most in detail and structure belong to the well-known components of the industry and common structure or conventional means, describe the most one by one.
Claims (7)
1. a preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil, including frequency-conversion control cabinet (1), well mouth hanger (2), and the adapter (4) being from top to bottom sequentially connected with, it is inverted drop-down pump (5) and linear motor (6), it is characterized in that: connecting between described well mouth hanger (2) and adapter (4) has preset cable compound pipe (3), it is provided with cable (34) in described preset cable compound pipe (3), described frequency-conversion control cabinet (1) outfan is connected with the top connection of cable (34) in preset cable compound pipe (3) by power cable, in described preset cable compound pipe (3), the lower contact of cable (34) is electrically connected with linear motor (6) by power cable；
Linked together by sulfuration processing mode between described preset cable compound pipe (3) and well mouth hanger (2) and adapter (4).
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 1; it is characterized in that: described preset cable compound pipe (3) is by protective layer (31); enhancement Layer (32); tensile layer (33); cable (34), steel wire rope (35) forms；Described protective layer (31); enhancement Layer (32) and tensile layer (33) set gradually from outside to inside; steel wire rope (35) is distributed in enhancement Layer (32) outer periphery, and cable (34) is distributed in protective layer (31).
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 2, it is characterised in that: described protective layer (31) material is EP rubbers.
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 2, it is characterised in that: described enhancement Layer (32) is for work out formation screen net structure continuously through glass fiber.
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 2, it is characterised in that: described tensile layer (33) is superhigh molecular weight polyethylene material.
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 2, it is characterised in that: described cable (34) is 3 strands, is evenly distributed in protective layer (31)；The conductor wire core of cable (34) is copper core, is coated with insulating barrier and overcoat the most from inside to outside, and insulating barrier material is plastics or PVC, and overcoat material is rubber.
Preset cable compound pipe electric submersible oil reciprocation pump extracting device of oil the most as claimed in claim 2, it is characterised in that: described steel wire rope (35) is 6 strands, is evenly distributed on enhancement Layer (32) outer periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308568.4U CN205532513U (en) | 2016-04-14 | 2016-04-14 | Preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308568.4U CN205532513U (en) | 2016-04-14 | 2016-04-14 | Preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532513U true CN205532513U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308568.4U Active CN205532513U (en) | 2016-04-14 | 2016-04-14 | Preset electronic oily reciprocating pump oil production device of diving of compound pipe of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532513U (en) |
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2016
- 2016-04-14 CN CN201620308568.4U patent/CN205532513U/en active Active
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