CN106593847A - Downhole linear motor reciprocating type oil well pump test platform - Google Patents

Downhole linear motor reciprocating type oil well pump test platform Download PDF

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Publication number
CN106593847A
CN106593847A CN201611226236.2A CN201611226236A CN106593847A CN 106593847 A CN106593847 A CN 106593847A CN 201611226236 A CN201611226236 A CN 201611226236A CN 106593847 A CN106593847 A CN 106593847A
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CN
China
Prior art keywords
oil
well pump
linear motor
shaft assembly
reciprocating type
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.)
Pending
Application number
CN201611226236.2A
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Chinese (zh)
Inventor
黄亚农
王顺
向超
刘尚伟
欧阳晖
陆锦锦
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719th Research Institute of CSIC
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719th Research Institute of CSIC
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 719th Research Institute of CSIC filed Critical 719th Research Institute of CSIC
Priority to CN201611226236.2A priority Critical patent/CN106593847A/en
Publication of CN106593847A publication Critical patent/CN106593847A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations

Abstract

The invention belongs to the field of oil field oil extraction equipment and provides a downhole linear motor reciprocating type oil well pump test platform. The downhole linear motor reciprocating type oil well pump test platform comprises a test bed, a well depth simulation device and a measurement and control system. The test bed comprises a linear motor, a reciprocating type oil well pump and a shaft assembly. One end of the shaft assembly is fixed, and the other end of the shaft assembly is connected with a bracket adjustable in height. The linear motor and the reciprocating type oil well pump are arranged in the shaft assembly. An outlet of the reciprocating type oil well pump is sequentially connected with a filter, an energy accumulator, a pressure gauge, a pressure transmitter, an overflow valve, a flow meter and an oil return pipe through an oil drain pipe. The measurement and control system comprises a boosting transformer and a control cabinet. An external power source passes the boosting transformer and is then connected into the control cabinet. The control cabinet is connected with the linear motor and is internally provided with a voltage sensor and a current sensor. The sensors, the pressure transmitter and the flow meter are all connected with a computer. The downhole linear motor reciprocating type oil well pump test platform can simulate the working condition and the working behavior of a linear motor reciprocating type oil well pump oil extraction system and can be used for test studies on the oil extraction system.

Description

A kind of down-hole linear motor reciprocating oil-well pump test platform
Technical field
The invention belongs to oil field equipment field, and in particular to a kind of down-hole linear motor reciprocating oil-well pump test is flat Platform, the platform can simulate the operating mode and work behavior of linear electric motors reciprocating oil-well pump oil extraction system, for the oil extraction system Experimental study.
Background technology
Down-hole linear motor reciprocating oil-well pump belongs to without aspects such as bar class oil production equipment, its range of application, time, experiences Relatively conventional machinery has the equal Shortcomings of bar class oil production equipment.Existing linear electric motors reciprocating oil-well pump is typically directly used for existing Well recovers the oil off field, lacks test and is analyzed checking to its function, it is therefore necessary to studies a kind of function for the oil production equipment More perfect test platform, provides reliable experimental technique means for related scientific research personnel.
The content of the invention
The purpose of the present invention is exactly, in order to overcome deficiency of the prior art, to fill up down-hole linear motor reciprocating oil-well pump The blank of experimental technique, there is provided a kind of down-hole linear motor reciprocating oil-well pump test platform, the platform can simulate linear electric motors The operating mode and work behavior of reciprocating oil-well pump oil extraction system, for the experimental study of oil extraction system.
The purpose of the present invention is realized by following technical measures:A kind of down-hole linear motor reciprocating oil-well pump test is flat Platform, including test-bed, well depth analog, TT&C system, are combined by three parts, can simulate linear electric motors reciprocating Work behavior in oil well pump inclined shaft, straight well, and the different well depths of outlet pressure simulation of oil well pump can be changed;Simultaneously can be with The parameters such as the test efficiency of oil extraction system, oil extraction pressure, flow, using experimental study or checking linear electric motors reciprocating oil-well pump The service behaviour and its control function of this oil production equipment.
The test-bed include linear electric motors, reciprocating oil-well pump, pit shaft assembly, adjustment height support, oil exit pipe, return Oil pipe, described pit shaft assembly one end are fixed, and the other end is connected with adjustment height support, realize the change of pit shaft assembly difference angle Change, thus simulate the different angle hole conditions of oil extraction system;It is total that linear electric motors are placed in pit shaft after being linked and packed with reciprocating oil-well pump Into inside, fluid inside pit shaft assembly, is full of.
The well depth analog includes filter, accumulator, pressure gauge, pressure transmitter, overflow valve, effusion meter, back and forth The outlet of formula oil well pump is connected with oil exit pipe, oil exit pipe successively with filter, accumulator, pressure gauge, pressure transmitter, overflow valve, Effusion meter, oil return pipe are connected, and oil return pipe is connected with pit shaft assembly;Gone out using pressure transmitter, testing flow meter oil extraction system Mouth pressure and rate of discharge;Using overflow valve, combination pressure table can be adjusted to the outlet pressure of oil extraction system, simulation The depth of falling well of oil production equipment;The blowing pressure of accumulator is made simultaneously less than the pressure of overflow valve, under the different tubing lengths of simulation Its internal fluid resistance effect and elastic reaction.
The TT&C system includes booster transformer, switch board, latent oil watertight cable, control station computer, the control Be provided with voltage sensor, current sensor in cabinet, the voltage sensor, current sensor, pressure transmitter, effusion meter with Control station computer is connected.Using the voltage inside switch board, the output voltage of current sensor testing and control cabinet and output electricity Stream;Frequency-variable module is provided with inside switch board, frequency-variable module, the outfan of frequency-variable module after the boosted transformator of external power source, is accessed It is connected with linear electric motors by latent oil watertight cable, the frequency and size of output voltage is adjusted by controlling frequency-variable module, then may be used Realize the regulation of oil extraction system jig frequency and operational mode;The signals such as the pressure of each sensor test, flow, voltage, electric current are all Process and display in reaching control station computer.
In above-mentioned technical proposal, the accumulator front end is provided with stop valve.
In above-mentioned technical proposal, the pit shaft assembly is provided with gate gurgle valve.
Compared with prior art, its advantage is as follows for the present invention:
1st, the operating mode and work behavior of linear electric motors reciprocating oil-well pump oil extraction system can truly be simulated;Realize differing tilt angles Under pit shaft simulation;Realize the characteristics of motion simulation of oil extraction system;Realize the full-scale simulation of pit shaft and underground equipment;Realize not With the simulation of lower-continuous mapping;The parameters such as the efficiency of oil extraction system, system load, discharge opeing pressure, flow can be tested, and to testing number According to carrying out real-time processing and reproduction.
2nd, test platform of the present invention can provide good for the performance study of linear electric motors reciprocating oil-well pump oil extraction system Experimental technique means, realize the simulation of oil well condition using relatively low Financial cost, can shorten straight line using this test platform The performance verification cycle of motor reciprocating oil-well pump oil extraction system, while the reliability and success rate of product can be improved.
Description of the drawings
Fig. 1 is the structural representation of down-hole linear motor reciprocating oil-well pump test platform of the present invention.
Fig. 2 is the external connection schematic diagram of cathetus motor of the present invention and reciprocating oil-well pump.
Fig. 3 is the inside connection diagram of cathetus motor of the present invention and reciprocating oil-well pump.
Wherein, 1, linear electric motors;2nd, reciprocating oil-well pump;3rd, pit shaft assembly;4th, fixed-hinged support;5th, adjustment height Frame;6th, gate gurgle valve;7th, oil exit pipe;8th, filter;9th, stop valve;10th, accumulator;11st, pressure gauge;12nd, pressure transmitter;13rd, overflow Stream valve;14th, effusion meter;15th, oil return pipe;16th, latent oil watertight cable;17th, switch board;18th, booster transformer;19th, oil-feed screen casing; 20th, adaptor;21st, oil pump plunger piston;22nd, mover extension rod;23rd, internal mover.
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is specifically described.
As shown in figure 1, the embodiment of the present invention provides a kind of down-hole linear motor reciprocating oil-well pump test platform, including examination Test stand, well depth analog, TT&C system.
The test-bed includes linear electric motors 1, reciprocating oil-well pump 2, pit shaft assembly 3, adjustment height support 5, oil extraction Gate gurgle valve 6 is closed and installed to pipe 7, oil return pipe 15,3 one end of pit shaft assembly, is fixed on ground by fixed-hinged support 4, pit shaft The other end of assembly 3 is connected with adjustment height support 5, for adjusting pit shaft height, realizes the change of pit shaft differing tilt angles, Simulation operating mode of the oil extraction system in different angle oil wells;Linear electric motors 1 are placed in pit shaft after the completion of assembling with reciprocating oil-well pump 2 In fluid inside assembly 3, and it is connected with switch board 17 by latent oil watertight cable 16;The outlet of reciprocating oil-well pump 2 and row One end of oil pipe 7 is connected, and the other end of oil exit pipe 7 is then connected with well depth analog.
As shown in Figure 2,3, in being the present embodiment, the signal that is specifically linked and packed of linear electric motors 1 and reciprocating oil-well pump 2 Figure.The shell of the linear electric motors 1 is connected with the oil-feed screen casing 19 of 2 lower end of reciprocating oil-well pump by adaptor 20, described straight The inside mover 23 of line motor is connected with the oil pump plunger piston 21 of reciprocating oil-well pump by mover extension rod 22.
The well depth analog includes filter 8, accumulator 10, pressure gauge 11, pressure transmitter 12, overflow valve 13, stream Gauge 14, oil exit pipe 7 successively with filter 8, accumulator 10, pressure gauge 11, pressure transmitter 12, overflow valve 13, effusion meter 14, return Oil pipe 15 is connected, and oil return pipe 15 is connected with pit shaft assembly 3;The size of the Opening pressure of 11 regulation relief valve 13 of combination pressure table, So as to change the outlet pressure of reciprocating oil-well pump 2, the different depth of falling well of linear electric motors reciprocating oil-well pump is simulated, is realized not With the Work condition analogue of depth of falling well;Change 10 the blowing pressure size of accumulator so as to less than the set pressure of overflow valve 13, simulation The elasticity of oil pipe internal flow and drag effect, realize the dynamic analog of fluid flowing inside oil pipe.
The TT&C system includes booster transformer 18, switch board 17, latent oil watertight cable 16, control station computer, institute State and in switch board 17, be provided with voltage sensor, current sensor, the voltage sensor, current sensor, pressure transmitter 12, Effusion meter 14 is connected with control station computer, is provided with frequency-variable module inside switch board 17.Three phase mains is via booster transformer After 18 boostings, jig frequency, the motor pattern of straight line motor reciprocative pump by adjusting the frequency-variable module in switch board 17, are controlled.Pit shaft The fluid of 3 storage inside of general name, in linear electric motors reciprocating oil-well pump running is constantly sucked and is discharged, discharge Fluid passes sequentially through filter 8, accumulator 10, pressure gauge 11, pressure transmitter 12, overflow valve 13, effusion meter through oil exit pipe 7 14, then the circulation that feed flow and discharge opeing are formed inside pit shaft is entered by oil return pipe 15.
The main Monitoring and Controlling cabinet 17 of TT&C system, pressure transmitter 12, the voltage of effusion meter 14, electric current, pressure, flow etc. Signal, using pressure gauge 11 and pressure transmitter 12 can real-time monitoring oil extraction system outlet pressure, then may be used using effusion meter 14 With the oil extraction flow of test system.The output voltage output current of switch board can pass through the voltage and current sense inside switch board Device is measured.The signals such as the pressure of each sensor test, flow, voltage, electric current can transmit into computer processed and Show.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention 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 reciprocating oil-well pump test platform, it is characterised in that:Including test-bed, well depth simulation dress Put, TT&C system, the test-bed includes linear electric motors, reciprocating oil-well pump, pit shaft assembly, adjustment height support, oil extraction Pipe, oil return pipe, described pit shaft assembly one end fixes, and the other end is connected with adjustment height support, linear electric motors and reciprocating oil pumping Pump is placed in after being linked and packed inside pit shaft assembly, fills fluid inside pit shaft assembly;The well depth analog includes filter, stores Can device, pressure gauge, pressure transmitter, overflow valve, effusion meter, the outlet of reciprocating oil-well pump is connected with oil exit pipe, oil exit pipe according to It is secondary to be connected with filter, accumulator, pressure gauge, pressure transmitter, overflow valve, effusion meter, oil return pipe, oil return pipe and pit shaft assembly phase Even;The TT&C system includes booster transformer, switch board, latent oil watertight cable, control station computer, and external power source is boosted Switch board is accessed after transformator, switch board is connected with linear electric motors by latent oil watertight cable, be provided with the switch board for The voltage sensor of the output voltage and output current of testing and control cabinet, current sensor, the voltage sensor, current sense Device, pressure transmitter, effusion meter are connected with control station computer.
2. down-hole linear motor reciprocating oil-well pump test platform according to claim 1, it is characterised in that:The accumulation of energy Device front end is provided with stop valve.
3. down-hole linear motor reciprocating oil-well pump test platform according to claim 1, it is characterised in that:The pit shaft Assembly is provided with gate gurgle valve.
4. down-hole linear motor reciprocating oil-well pump test platform according to claim 1, it is characterised in that:The control Frequency-variable module is provided with cabinet, frequency-variable module after the boosted transformator of external power source, is accessed, the outfan of frequency-variable module passes through latent oil Watertight cable is connected with linear electric motors.
5. down-hole linear motor reciprocating oil-well pump test platform according to claim 1, it is characterised in that:Linear electric motors It is that the shell of the linear electric motors is by adaptor and reciprocating oil-well pump lower end with the reciprocating oil-well pump mode of being linked and packed Oil-feed screen casing is connected, and the inside mover of the linear electric motors passes through the oil pump plunger piston phase of mover extension rod and reciprocating oil-well pump Even.
CN201611226236.2A 2016-12-27 2016-12-27 Downhole linear motor reciprocating type oil well pump test platform Pending CN106593847A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191365A (en) * 2017-06-14 2017-09-22 华意压缩机股份有限公司 A kind of compressor spring removal testing equipment and its test method
CN110593858A (en) * 2019-09-20 2019-12-20 河北国创石油设备有限公司 Force measuring device and system for simulating underground pressure
CN112282728A (en) * 2019-07-23 2021-01-29 中国石油天然气股份有限公司 Rigid casing centralizer trafficability characteristic detection device
CN113944620A (en) * 2020-07-17 2022-01-18 中国石油天然气股份有限公司 Electric submersible plunger pump test device and test method
RU2783050C1 (en) * 2021-06-03 2022-11-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Stand of the chain drive of a downhole rod pump

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Publication number Priority date Publication date Assignee Title
CN101881154A (en) * 2010-07-05 2010-11-10 西南石油大学 Mechanical oil recovery testing platform
CN203640969U (en) * 2013-11-07 2014-06-11 山东祺龙海洋石油钢管股份有限公司 Electric submersible reciprocating pump
CN105443082A (en) * 2016-01-11 2016-03-30 韩祥林 Linear motor drive and hydraulic driven oil pumping unit for oil extraction
CN205175721U (en) * 2015-12-08 2016-04-20 燕山大学 Require experimental suspension point load analogue means in beam -pumping unit factory
US20160273528A1 (en) * 2015-03-20 2016-09-22 Baker Hughes Incorporated Systems and Methods for Controlling Downhole Linear Motors
CN206346898U (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 reciprocating oil-well pump test platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881154A (en) * 2010-07-05 2010-11-10 西南石油大学 Mechanical oil recovery testing platform
CN203640969U (en) * 2013-11-07 2014-06-11 山东祺龙海洋石油钢管股份有限公司 Electric submersible reciprocating pump
US20160273528A1 (en) * 2015-03-20 2016-09-22 Baker Hughes Incorporated Systems and Methods for Controlling Downhole Linear Motors
CN205175721U (en) * 2015-12-08 2016-04-20 燕山大学 Require experimental suspension point load analogue means in beam -pumping unit factory
CN105443082A (en) * 2016-01-11 2016-03-30 韩祥林 Linear motor drive and hydraulic driven oil pumping unit for oil extraction
CN206346898U (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 reciprocating oil-well pump test platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191365A (en) * 2017-06-14 2017-09-22 华意压缩机股份有限公司 A kind of compressor spring removal testing equipment and its test method
CN112282728A (en) * 2019-07-23 2021-01-29 中国石油天然气股份有限公司 Rigid casing centralizer trafficability characteristic detection device
CN112282728B (en) * 2019-07-23 2022-12-02 中国石油天然气股份有限公司 Rigid casing centralizer trafficability characteristic detection device
CN110593858A (en) * 2019-09-20 2019-12-20 河北国创石油设备有限公司 Force measuring device and system for simulating underground pressure
CN113944620A (en) * 2020-07-17 2022-01-18 中国石油天然气股份有限公司 Electric submersible plunger pump test device and test method
RU2783050C1 (en) * 2021-06-03 2022-11-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Stand of the chain drive of a downhole rod pump

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Application publication date: 20170426

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