CN106837762A - 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 PDFInfo
- Publication number
- CN106837762A CN106837762A CN201611227260.8A CN201611227260A CN106837762A CN 106837762 A CN106837762 A CN 106837762A CN 201611227260 A CN201611227260 A CN 201611227260A CN 106837762 A CN106837762 A CN 106837762A
- Authority
- CN
- China
- Prior art keywords
- oil
- double
- well pump
- action reciprocating
- electric motors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/005—Sand trap arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Abstract
The present invention relates 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, after linear electric motors combine installation with Double-action reciprocating oil well pump, by, to pump depth is designed, the ground control cabinet is connected by latent oil watertight cable with linear electric motors under common plain end oil well pipe.It is apparatus of the present invention simple structure, easy to use, the service life of motor performance and extracting device of oil can be effectively improved.
Description
Technical field
The present invention relates to field of oil field oil extraction, and in particular to a kind of down-hole linear motor Double-action reciprocating oil-well pump dress
Put.
Background technology
Oil recovery machiner mostly has bar oil production method i.e. by 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 for middle low yield gauging
Well.For this case, a kind of numerically controlled reciprocating submersible pump apparatus are 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 tune is joined, reducing energy consumption.This mode change with
Past power set and the sucker rod of many disadvantages, but still use conventional single-acting oil well pump, system for oil well pump aspect
Only in the acting of upstroke stage, the power requirement to linear electric motors is higher, limits the range of application of integral device.
The content of the invention
The purpose of the present invention is exactly to overcome deficiency of the prior art, there is provided a kind of down-hole linear motor double acting is past
Multiple oil-well pump device, the apparatus structure is simple, easy to use, can effectively improve the use longevity of motor performance and extracting device of oil
Life.
The purpose of the present invention is realized by following technical measures：A kind of down-hole linear motor Double-action reciprocating oil well pump is adopted
Oily device, including ground control cabinet, linear electric motors, Double-action reciprocating oil well pump, the linear electric motors shell by adapter with
Double-action reciprocating oil well pump lower end is connected, the inside mover of linear electric motors and the oil pump plunger piston phase of Double-action reciprocating oil well pump
Even, after linear electric motors combine installation with Double-action reciprocating oil well pump, by, to design pump depth, the ground is controlled under common plain end oil well pipe
Cabinet processed 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 with Double-action reciprocating
The oil-feed screen casing of pump lower end is connected, and oil-feed screen casing can filter 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, by control
Frequency-variable module adjusts the frequency and size of output voltage, then be capable of achieving the regulation of extracting device of oil jig frequency and operational mode.
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, when being collided using linear motor rotor the characteristics of current distortion, can be under conditions of position-sensor-free
Effectively judge the running status of motor, adjust automatically motor operation position reduces system collision.
Down-hole linear motor Double-action reciprocating oil-well pump device of the present invention mainly includes linear electric motors, Double-action reciprocating
Oil well pump, the part of ground control cabinet three.After linear electric motors are connected with Double-action reciprocating oil well pump, by under common plain end oil well pipe to setting
Alternating current is transported to underground straight-line electric by meter pump depth, ground power supply after frequency conversion by ground control cabinet with latent oil watertight cable
Machine, when the stator winding that electric current enters in motor, the magnetic field of generation realizes the alternation of magnetic pole, and permanent magnetic rotor by conversion system
The interaction of upper fixed magnetic field, realizes the motion of permanent magnetic rotor, drives oil pump plunger piston to do cyclic movement, and fluid is lifted
Rise to ground.
The advantage of the invention is that using sand control off-load Double-action reciprocating oil well pump, the structure of the double footpath series connections of pumps of size is realized
Linear electric motors off-load and two-way work doing, improve motor performance and service life.Simultaneously using Double-action reciprocating oil well pump by oil
Liquid can with self-locking the characteristics of, meet the job specification of oil production equipment batch (-type), by the output current of monitoring ground switch board, adjust
Whole motor operation position, reduces the frequency that underground equipment movable part collides, and improves the service life of system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of apparatus of the present invention.
Fig. 2 is the connection diagram of cathetus motor of the present invention 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 oil pumping
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.
Specific embodiment
Technical scheme is specifically described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the embodiment of the present invention 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 the linear electric motors 8 by adapter 7 with it is double
The oil-feed screen casing 6 of effect reciprocating oil pump 5 lower end is connected, and linear electric motors inside mover 11 passes through mover extension rod 10 and double acting
The oil pump plunger piston 9 of reciprocating oil pump 5 is connected, after linear electric motors 8 combine installation with Double-action reciprocating oil well pump 5, by commonly putting down
Formula oil pipe arrives design pump depth for 4 times, and underground fluid drives Double-action reciprocating oil well pump 5 to move back and forth by linear electric motors 8, and fluid is by entering
Oil screen pipe 6 enters, and well head 3 is reached by oil pipe 4.The ground control cabinet 1 passes through latent oil watertight cable 2 and the phase of linear electric motors 8
Even.Frequency-variable module is provided with the ground control cabinet 1, the input of ground control cabinet 1 is three-phase alternating current, the boosted change of external power source
Frequency-variable module is accessed after depressor, the output end of frequency-variable module is connected by latent oil watertight cable 2 with linear electric motors 8, by control
Frequency-variable module adjusts the frequency and size of output voltage, then be capable of achieving the regulation of extracting device of oil jig frequency and operational mode.Describedly
It is provided with face switch board 1 for the output voltage of testing and control cabinet and the voltage sensor of output current and current sensor, profit
The output voltage and output current of switch board can be monitored with voltage, current sensor, electricity when being collided using linear motor rotor
The characteristics of stream distortion, the running status of motor, adjust automatically motor operation can be effectively judged under conditions of position-sensor-free
Position, reduces system collision.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
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, by, to design pump depth, the ground control cabinet is by latent oil watertight cable and straight-line electric under common plain end oil well pipe
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 is provided with ground control cabinet, frequency-variable module, the output end of frequency-variable module are accessed after the boosted transformer of external power source
It is connected with linear electric motors by latent oil watertight cable.
5. down-hole linear motor Double-action reciprocating oil-well pump device according to claim 1, it is characterised in that：It is described
It is provided with ground control cabinet for the output voltage of testing and control cabinet and the voltage sensor of output current and current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227260.8A CN106837762A (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 |
|---|---|---|---|
| CN201611227260.8A CN106837762A (en) | 2016-12-27 | 2016-12-27 | A kind of down-hole linear motor Double-action reciprocating oil-well pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837762A true CN106837762A (en) | 2017-06-13 |
Family
ID=59135676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611227260.8A Pending CN106837762A (en) | 2016-12-27 | 2016-12-27 | A kind of down-hole linear motor Double-action reciprocating oil-well pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837762A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
| CN109653999A (en) * | 2018-12-20 | 2019-04-19 | 武汉海王科技有限公司 | A kind of adaptive jig frequency adjusting method of downhole linear electric motor oil-well pump |
Citations (8)
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|---|---|---|---|---|
| US5797452A (en) * | 1996-12-12 | 1998-08-25 | Martin; John Kaal | Double-acting, deep-well fluid extraction pump |
| CN2742188Y (en) * | 2004-10-12 | 2005-11-23 | 大庆油田有限责任公司 | Electric submerged plunger oil pumping unit |
| CN200943573Y (en) * | 2006-08-31 | 2007-09-05 | 大庆油田有限责任公司 | Reciprocating type submersible electric pump oil extraction device |
| US20090308591A1 (en) * | 2008-06-11 | 2009-12-17 | Kuei-Hsien Shen | Mover stabilizing and stator cooling arrangement of a 3-phase linear motor of a submersible oil pump |
| CN102661271A (en) * | 2012-05-16 | 2012-09-12 | 王子贵 | Rodless pump for single-core oil-submersible cable linear motor |
| CN103062023A (en) * | 2013-01-30 | 2013-04-24 | 秦皇岛国能石油装备有限公司 | Intelligent linear-motor oil production system |
| WO2015096085A1 (en) * | 2013-12-26 | 2015-07-02 | 深圳市大族激光科技股份有限公司 | Oil-submersible linear motor oil extraction system |
| CN206346892U (en) * | 2016-12-27 | 2017-07-21 | 中国船舶重工集团公司第七一九研究所 | A kind of down-hole linear motor Double-action reciprocating oil-well pump device |
-
2016
- 2016-12-27 CN CN201611227260.8A patent/CN106837762A/en active Pending
Patent Citations (8)
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| US5797452A (en) * | 1996-12-12 | 1998-08-25 | Martin; John Kaal | Double-acting, deep-well fluid extraction pump |
| CN2742188Y (en) * | 2004-10-12 | 2005-11-23 | 大庆油田有限责任公司 | Electric submerged plunger oil pumping unit |
| CN200943573Y (en) * | 2006-08-31 | 2007-09-05 | 大庆油田有限责任公司 | Reciprocating type submersible electric pump oil extraction device |
| US20090308591A1 (en) * | 2008-06-11 | 2009-12-17 | Kuei-Hsien Shen | Mover stabilizing and stator cooling arrangement of a 3-phase linear motor of a submersible oil pump |
| CN102661271A (en) * | 2012-05-16 | 2012-09-12 | 王子贵 | Rodless pump for single-core oil-submersible cable linear motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
| CN109653999A (en) * | 2018-12-20 | 2019-04-19 | 武汉海王科技有限公司 | A kind of adaptive jig frequency adjusting method of downhole linear electric motor oil-well pump |
| CN109653999B (en) * | 2018-12-20 | 2020-03-31 | 武汉海王科技有限公司 | Self-adaptive stroke frequency adjusting method for oil well pump of underground linear motor |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170613 |