CN206346892U - A kind of down-hole linear motor Double-action reciprocating oil-well pump device - Google Patents

A kind of down-hole linear motor Double-action reciprocating oil-well pump device Download PDF

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Publication number
CN206346892U
CN206346892U CN201621446325.3U CN201621446325U CN206346892U CN 206346892 U CN206346892 U CN 206346892U CN 201621446325 U CN201621446325 U CN 201621446325U CN 206346892 U CN206346892 U CN 206346892U
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China
Prior art keywords
oil
double
well pump
action reciprocating
electric motors
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Expired - Fee Related
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CN201621446325.3U
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Chinese (zh)
Inventor
黄亚农
向超
刘尚伟
陆锦锦
毛宏勇
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719th Research Institute of CSIC
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719th Research Institute of CSIC
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Priority to CN201621446325.3U priority Critical patent/CN206346892U/en
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Publication of CN206346892U publication Critical patent/CN206346892U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to field of oil field oil extraction, a kind of down-hole linear motor Double-action reciprocating oil-well pump device is provided, including ground control cabinet, linear electric motors, Double-action reciprocating oil well pump, the linear electric motors shell is connected by adapter with Double-action reciprocating oil well pump lower end, the inside mover of linear electric motors is connected with the oil pump plunger piston of Double-action reciprocating oil well pump, linear electric motors are combined with Double-action reciprocating oil well pump after installation, deep to design pump under common plain end oil well pipe, the ground control cabinet is connected by latent oil watertight cable with linear electric motors.The utility model apparatus structure is simple, easy to use, can effectively improve the service life of motor performance and extracting device of oil.

Description

A kind of down-hole linear motor Double-action reciprocating oil-well pump device
Technical field
The utility model is related to field of oil field oil extraction, and in particular to a kind of down-hole linear motor Double-action reciprocating oil well pump is adopted Oily device.
Background technology
Oil recovery machiner mostly has bar oil production method to pass through oil pumper, sucker rod, oil well pump using tradition both at home and abroad at present Oil recovery purpose is realized, it has the disadvantage that volume is big, power consumption is high, pump efficiency is low, adjust ginseng narrow range, is not particularly suitable for being used for middle low yield gauging Well.For this case, a kind of numerically controlled reciprocating submersible pump apparatus is occurred in that(Patent No. ZL200580033880.1), use Linear electric motors and oil well pump became one, and remove sucker rod, and can realize that online adjust is joined, and reduce energy consumption.This mode change with Past power set and the sucker rod of many disadvantages, but for still using conventional single-acting oil well pump, system in terms of oil well pump It is higher to the power requirement of linear electric motors only in the acting of upstroke stage, limit the application of integral device.
The content of the invention
The purpose of this utility model is exactly that there is provided a kind of down-hole linear motor double cropping in order to overcome deficiency of the prior art Reciprocal reciprocating oil pumping pump oil extracting device is used, the apparatus structure is simple, easy to use, making for motor performance and extracting device of oil can be effectively improved Use the life-span.
The purpose of this utility model is realized by following technical measures:A kind of down-hole linear motor Double-action reciprocating oil pumping Pump oil extracting device, including ground control cabinet, linear electric motors, Double-action reciprocating oil well pump, the linear electric motors shell pass through switching Head is connected with Double-action reciprocating oil well pump lower end, the inside mover of linear electric motors and the oil pump plunger piston of Double-action reciprocating oil well pump It is connected, linear electric motors are combined with Double-action reciprocating oil well pump after installation, deep to design pump under common plain end oil well pipe, the ground Switch board is connected by latent oil watertight cable with linear electric motors.
Further, in the above-mentioned technical solutions, the linear electric motors shell is pumped by adapter and Double-action reciprocating The oil-feed screen casing of pump lower end is connected, and oil-feed screen casing can filter out the foreign matters such as the sand in fluid.
Further, in the above-mentioned technical solutions, when linear electric motors inside mover and oil pump plunger piston length not Timing, can set up mover extension rod in the inside mover end of linear electric motors, be taken out by mover extension rod and Double-action reciprocating The oil pump plunger piston of oil pump is connected.
Further, in the above-mentioned technical solutions, frequency-variable module is provided with the ground control cabinet, external power source is boosted Frequency-variable module is accessed after transformer, the output end of frequency-variable module is connected by latent oil watertight cable with linear electric motors, pass through control Frequency-variable module adjusts the frequency and size of output voltage, then the regulation of extracting device of oil jig frequency and operational mode can be achieved.
Further, in the above-mentioned technical solutions, the output electricity for testing and control cabinet is provided with the ground control cabinet The voltage sensor and current sensor of pressure and output current, the output of switch board can be monitored using voltage, current sensor Voltage and output current, can be under conditions of position-sensor-free when being collided using linear motor rotor the characteristics of current distortion Effectively judge the running status of motor, adjust automatically motor operation position reduces system collision.
The utility model down-hole linear motor Double-action reciprocating oil-well pump device mainly includes linear electric motors, double acting Reciprocating oil pump, the part of ground control cabinet three.After linear electric motors are connected with Double-action reciprocating oil well pump, under common plain end oil well pipe Deep to design pump, alternating current after frequency conversion is transported to underground straight line by ground power supply by ground control cabinet with latent oil watertight cable Motor, when the stator winding that electric current enters in motor, the magnetic field of generation realizes that the alternation of magnetic pole, and permanent magnetism are moved by conversion system The interaction of fixed magnetic field on son, realizes the motion of permanent magnetic rotor, driving oil pump plunger piston does cyclic movement, by fluid It is lifted to ground.
The utility model has the advantage of use sand control off-load Double-action reciprocating oil well pump, the structure of the double footpath series connections of pumps of size Linear electric motors off-load and two-way work doing are realized, motor performance and service life is improved.Simultaneously using Double-action reciprocating oil well pump according to Can be with self-locking by fluid the characteristics of, the job specification of oil production equipment batch (-type) is met, pass through the output electricity of monitoring ground switch board Stream, adjusts motor operation position, and the frequency that reduction underground equipment movable part collides improves the service life of system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model device.
Fig. 2 is the connection diagram of the utility model cathetus motor and Double-action reciprocating oil well pump.
Wherein, 1, ground control cabinet;2nd, latent oil watertight cable;3rd, well head;4th, plain end oil well pipe;5th, Double-action reciprocating is pumped Pump;6th, oil-feed screen casing;7th, adapter;8th, linear electric motors;9th, oil pump plunger piston;10th, mover extension rod;11st, inside linear electric motors Mover.
Embodiment
The technical solution of the utility model is specifically described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the utility model embodiment provides a kind of down-hole linear motor Double-action reciprocating oil-well pump Device, including ground control cabinet 1, linear electric motors 8, Double-action reciprocating oil well pump 5, the shell of linear electric motors 8 pass through adapter 7 Be connected with the oil-feed screen casing 6 of the lower end of Double-action reciprocating oil well pump 5, inside linear electric motors mover 11 by mover extension rod 10 with it is double The oil pump plunger piston 9 for acting on reciprocating oil pump 5 is connected, and linear electric motors 8 are combined with Double-action reciprocating oil well pump 5 after installation, by general Lead to plain end oil well pipe 4 times to pump depth is designed, underground fluid drives Double-action reciprocating oil well pump 5 to move back and forth by linear electric motors 8, fluid Entered by oil-feed screen casing 6, well head 3 is reached by oil pipe 4.The ground control cabinet 1 passes through latent oil watertight cable 2 and linear electric motors 8 are connected.Frequency-variable module is provided with the ground control cabinet 1, the input of ground control cabinet 1 is three-phase alternating current, and external power source is through rising Frequency-variable module is accessed after pressure transformer, the output end of frequency-variable module is connected with linear electric motors 8 by latent oil watertight cable 2, passed through Control frequency-variable module to adjust the frequency and size of output voltage, then the regulation of extracting device of oil jig frequency and operational mode can be achieved.Institute State the voltage sensor and current sense that output voltage and output current for testing and control cabinet are provided with ground control cabinet 1 Device, the output voltage and output current of switch board can be monitored using voltage, current sensor, is collided using linear motor rotor When current distortion the characteristics of, the running status of motor, adjust automatically motor can be effectively judged under conditions of position-sensor-free Run location, reduces system collision.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (5)

1. a kind of down-hole linear motor Double-action reciprocating oil-well pump device, it is characterised in that:Including ground control cabinet, straight line Motor, Double-action reciprocating oil well pump, the linear electric motors shell are connected by adapter with Double-action reciprocating oil well pump lower end, directly The inside mover of line motor is connected with the oil pump plunger piston of Double-action reciprocating oil well pump, linear electric motors and Double-action reciprocating oil well pump After combination is installed, deep to design pump under common plain end oil well pipe, the ground control cabinet passes through latent oil watertight cable and straight-line electric Machine is connected.
2. down-hole linear motor Double-action reciprocating oil-well pump device according to claim 1, it is characterised in that:It is described Linear electric motors shell is connected by adapter with the oil-feed screen casing of Double-action reciprocating oil well pump lower end.
3. down-hole linear motor Double-action reciprocating oil-well pump device according to claim 1, it is characterised in that:It is described The inside mover of linear electric motors is connected by mover extension rod with the oil pump plunger piston of Double-action reciprocating oil well pump.
4. down-hole linear motor Double-action reciprocating oil-well pump device according to claim 1, it is characterised in that:It is described Frequency-variable module, the output end of frequency-variable module are accessed after being provided with frequency-variable module, the boosted transformer of external power source in ground control cabinet It is connected by latent oil watertight cable with linear electric motors.
5. down-hole linear motor Double-action reciprocating oil-well pump device according to claim 1, it is characterised in that:It is described The output voltage for testing and control cabinet and the voltage sensor and current sensor of output current are provided with ground control cabinet.
CN201621446325.3U 2016-12-27 2016-12-27 A kind of down-hole linear motor Double-action reciprocating oil-well pump device Expired - Fee Related CN206346892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621446325.3U CN206346892U (en) 2016-12-27 2016-12-27 A kind of down-hole linear motor Double-action reciprocating oil-well pump device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621446325.3U CN206346892U (en) 2016-12-27 2016-12-27 A kind of down-hole linear motor Double-action reciprocating oil-well pump device

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CN206346892U true CN206346892U (en) 2017-07-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837762A (en) * 2016-12-27 2017-06-13 中国船舶重工集团公司第七〇九研究所 A kind of down-hole linear motor Double-action reciprocating oil-well pump device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837762A (en) * 2016-12-27 2017-06-13 中国船舶重工集团公司第七〇九研究所 A kind of down-hole linear motor Double-action reciprocating oil-well pump device

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Granted publication date: 20170721