CN201037457Y - Highly effective linear motor oil extraction pump - Google Patents

Highly effective linear motor oil extraction pump Download PDF

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Publication number
CN201037457Y
CN201037457Y CNU2007200792260U CN200720079226U CN201037457Y CN 201037457 Y CN201037457 Y CN 201037457Y CN U2007200792260 U CNU2007200792260 U CN U2007200792260U CN 200720079226 U CN200720079226 U CN 200720079226U CN 201037457 Y CN201037457 Y CN 201037457Y
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CN
China
Prior art keywords
oil
linear motor
linear
outer tube
spacer ring
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Expired - Fee Related
Application number
CNU2007200792260U
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Chinese (zh)
Inventor
梁政
曲海
魏秦文
刘鸣
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to CNU2007200792260U priority Critical patent/CN201037457Y/en
Application granted granted Critical
Publication of CN201037457Y publication Critical patent/CN201037457Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an efficient oil production pump for linear motor, which mainly comprises a cable, an oil pipe joint, a one-way oil filling valve, an oil filling seat, a one-way oil delivery valve, an oil delivery seat, a piston, a linear motor, a combined sealing device, a mover joint, a pull rod, a bushing, a two-way dynamic pressure bearing, a spacer ring and an external pipe. The utility model is characterized in that the cable, the oil pipe joint, the oil delivery seat, the oil filling seat, a volume chamber, a chamber body, an oil storage chamber, the piston, a piston joint, a linear motor mover, a linear motor stator, a flange, an end cover, the combined sealing device, the mover joint, the pull rod, a small end cover, a protector external tube, the bushing, a preloaded spring, an inner cone, an outer cone, a liquid storage chamber, a filler, the two-way dynamic pressure bearing, a gasket, a felt, the spacer ring, a big end cover, a spring and an axial dynamic pressure corrugated pipe are arranged in the external pipe. The utility model has the advantages of light weight, simple structure, low power consumption, high efficiency, convenient control, convenient application and maintenance, distinct energy-saving effect and application to heavy oil, deep pumping and small capacity oil production well.

Description

Efficient linear dynamo oil recovery pump
Technical field
The utility model relates to oil exploration equipment, particularly novel linear motor oil extraction pump.
Background technique
Known pumping unit mainly is girder-like oil pump-oil-well pump device, and complete equipment is divided into the intermediate portion of ground, down-hole and contact ground and down-hole.Because the oil mining complicated condition is changeable, along with the continuous increase of well depth and output, this pumping unit weight shortcoming big, that accident is many, discharge capacity is low becomes very obvious.
Because linear electric motor can be converted into electric energy straight reciprocating motion and not need intermediate transmission mechanism, no matter are in aboveground or down-hole pumping unit to be transformed, and all help reducing driving mechanism bulk raising machine and adopt efficient.
Linear electric motor are a kind of electric energy to be directly changed into straight-line mechanical energy, and without any need for the transmission device of intermediate conversion mechanism, have advantages such as transmission stiffness height, dynamic response is fast, Location accuracy is high, running length is unrestricted.Linear electric motor not only can be avoided in the past with traditional intermediate conversion systems such as chain, line belt, tooth bar leading screw and worm gear screw rods as the underwell pump power system, big, the defectives such as efficient is low, low precision of transmission bond distance, the volume that has overcome traditional mechanical switching mechanism, and further widened linear electric motor in the Application in Oilfield Development scope.
The utility model combines high-power techniques of linear motor with the oil production technology technology, adopt the linear motor driving plunger pump to realize oil recovery.The emphasis of design and difficult point are to grasp the structure and the working principle of linear electric motor, analyze the structure of linear electric motor, consider linear electric motor are used for the power system of plunger pump, and electric energy is directly changed into the power of lifting crude oil, can realize deep-well oil-extraction.
Outstanding feature of the present utility model is that the linear electric motor of linear dynamo oil recovery pump have partly adopted cylindrical linear, cylindrical linear induction motor with this structure, do not have winding overhang, there is not the end in its secondary windings yet, and this has just improved the utilization ratio of winding.Unidirectional oiling valve is installed on the oil extraction pump fluid end oil-feed seat of the present utility model, and crude stream is through unidirectional oiling valve, and oil-feed seat radial direction through hole enters cavity volume.The oil-feed seat improves oil inlet quantity greatly along a plurality of oiling valves of circumferential arrangement and through hole.
The model utility content
The purpose of this utility model is to provide efficient linear dynamo oil recovery pump, and the utility model selects for use the linear dynamo oil recovery pump to recover the oil, and oil pipe and underwell pump are only arranged in the well casing, and is in light weight; Reduced intermediate gearing, simple in structure; Removed sucker rod, cancelled the above ground portion of beam type oil well pump, power consumption is little; Directly drive plunger upward and downward by linear electric motor, the efficient height; Change the parameter of electric machine and just can conveniently regulate stroke and other running parameters, control is convenient; Use easy to maintenancely, pump detection period is long, can be used for viscous crude, takes out and float amount oil recovery well deeply, and market application foreground is wider.
The technical solution of the utility model is: efficient linear dynamo oil recovery pump; mainly by cable; oil connection; plunger pump; linear electric motor; combination sealing arrangement; the mover joint; pull bar; protector; sleeve pipe; two-way hydraulic bearing; spacer ring; compositions such as outer tube is characterized in that: cable; oil connection; the oil-feed seat; unidirectional oiling valve; go out font; unidirectional outlet valve; cavity volume; cavity; shoe cream room; plunger; plunger connector; linear motor rotor; linear motor stator electric; end cap; combination sealing arrangement; flange plate; the mover joint; pull bar; little end cap; the protector outer tube; sleeve pipe; preloading spring; inner cone; outer cone; liquid storage cylinder; filler; two-way hydraulic bearing; pad; spacer ring; big end cap; spring; the axial hydrodynamic bellows; Deng being installed in the outer tube.Plunger links to each other with linear motor rotor by plunger connector, and linear motor rotor, linear motor stator electric are cylindrical shape.Two little end caps are installed in the two ends of protector outer tube; preloading spring, inner cone, outer cone are housed in the sleeve pipe and are installed on the pull bar; preloading spring is housed in the liquid storage cylinder; at the inside of protector outer tube, an end of sleeve pipe filler, two-way hydraulic bearing, pad, spacer ring etc. are housed, filler, two-way hydraulic bearing, pad, spacer ring are installed on the pull bar.
Compared with prior art, the utility model is in light weight, the efficient height, and simple in structure, power consumption is little, and control is convenient, uses easy to maintenancely, and energy-saving effect is remarkable, can be used for viscous crude, takes out and float amount oil recovery well deeply.
Description of drawings
Fig. 1 is the connection schematic representation of linear electric motor of the present utility model and oil extraction pump;
Fig. 2 is an oil extraction pump protective gear structural representation of the present utility model.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
As Fig. 1; efficient linear dynamo oil recovery pump shown in 2; mainly by cable; oil connection; unidirectional oiling valve; the oil-feed seat; unidirectional outlet valve; go out font; plunger; linear electric motor; combination sealing arrangement; the mover joint; pull bar; protector; sleeve pipe; two-way hydraulic bearing; spacer ring; compositions such as outer tube is characterized in that: cable 1; oil connection 2; unidirectional outlet valve 3; go out font 4; unidirectional oiling valve 5; oil-feed seat 6; cavity volume 7; cavity 8; plunger 9; shoe cream room 10; flange 11; plunger connector 12; linear motor rotor 13; linear motor stator electric 14; end cap 15; combination sealing arrangement 16; mover joint 17; pull bar 18; small end lid 19; protector outer tube 20; sleeve pipe 21; preloading spring 22; inner cone 23; outer cone 24; liquid storage cylinder 25; filler 26; two-way hydraulic bearing 27; pad 28; spacer ring 29; big end cap 30; spring 31; axial hydrodynamic bellows 32; Deng being installed in the outer tube 33.
The connection schematic representation of linear electric motor as shown in Figure 1 and oil extraction pump, plunger 11 links to each other with linear motor rotor 13 by plunger connector 12, and linear motor rotor 13, linear motor stator electric 14 are cylindrical shape.
Oil extraction pump protective gear structural representation as shown in Figure 2; two small end lids 19 are installed in the two ends of protector outer tube 20; preloading spring 22, inner cone 23, outer cone 24 are housed in the sleeve pipe 21 and are installed on the pull bar 18; preloading spring 22 is housed in the liquid storage cylinder 25; at the inside of protector outer tube 20, an end of sleeve pipe 21 filler 26, two-way hydraulic bearing 27, pad 28, spacer ring 29 etc. are housed, filler 26, two-way hydraulic bearing 27, pad 28, spacer ring 29 are installed on the pull bar 18.
Can also adopt a plurality of cylindrical linear motor series connection for improving output and heavy duty service, increase centralizer, to improve the thrust of plunger 9.When linear motor pushing force is excessive, because pump housing deadweight and line loss increase, can the outer tube bottom is open-minded, on big end cap 30, set up the swelling structure, with the reciprocating vibratory impulse of balance.For improving heat dispersion, pull bar 18 and linear electric motor outer wall can be processed into connectivity structure, increase the circulation cooling mechanism.
Working procedure of the present utility model is: with cable 1 of the present utility model; oil connection 2; unidirectional outlet valve 3; go out font 4; unidirectional oiling valve 5; oil-feed seat 6; cavity volume 7; cavity 8; plunger 9; shoe cream room 10; flange 11; plunger connector 12; linear motor rotor 13; linear motor stator electric 14; end cap 15; combination sealing arrangement 16; mover joint 17; pull bar 18; small end lid 19; protector outer tube 20; sleeve pipe 21; preloading spring 22; inner cone 23; outer cone 24; liquid storage cylinder 25; filler 26; two-way hydraulic bearing 27; pad 28; spacer ring 29; big end cap 30; spring 31; axial hydrodynamic bellows 32 grades are installed in the outer tube 33.Oil connection 2 is connected out on the font 4, goes out unidirectional outlet valve 3 is housed on the font 4, and unidirectional oiling valve 5 is housed on the oil-feed seat 6, encapsulation lubricant oil in the shoe cream room 10.In the liquid storage cylinder 26 fluorocarbon oil is housed.
When the oil well ground control terminal is sent the execution signal by cable 1, power connection, it is reciprocating under the effect of linear motor stator electric 14 that linear motor rotor 13 drives plungers 9.When linear motor rotor 13 moved downward, plunger 9 was done the down stroke motion, and cavity volume 7 internal pressures reduce, and unidirectional oiling valve 5 is opened, and unidirectional outlet valve 3 cuts out, and crude oil enters in the cavity volume 7 by oil-feed seat 6; When linear motor rotor 13 moved upward, plunger 9 was done the upstroke motion, compression in the cavity volume 7, and unidirectional oiling valve 5 cuts out, and unidirectional outlet valve 3 is opened, and crude oil is given rise to well head by standing valve 3 openings.
When speed fluctuation appears in sudden power, loading or linear motor rotor 13; thrust load passes to fluorocarbon oil and axial hydrodynamic bellows 32 in preloading spring 22, inner cone 23, outer cone 24, two-way hydraulic bearing 27, the liquid storage cylinder 25 respectively by pull bar 18; balance pressure, protection motor proper functioning.Inner cone 23, outer cone 24 have simultaneously to orthofunction.Pull bar 18 is a tubular structure, communicates with crude oil, is used for motor radiating.

Claims (3)

1. efficient linear dynamo oil recovery pump; mainly by cable; oil connection; unidirectional oiling valve; the oil-feed seat; unidirectional outlet valve; go out font; plunger pump; linear electric motor; combination sealing arrangement; the mover joint; pull bar; protector; sleeve pipe; two-way hydraulic bearing; spacer ring; outer tube is formed; it is characterized in that: cable (1) links to each other with linear motor stator electric (14); oil connection (2) with go out font (4); outer tube (33) links to each other; unidirectional outlet valve (3) is installed in out font (4); unidirectional oiling valve (5) is installed in oil-feed seat (6); there is cavity volume (7) at cavity (8) two ends; shoe cream room (10); plunger (9) links to each other with linear motor rotor (13) by plunger connector (12); there is end cap (15) at linear motor stator electric (14) two ends; combination sealing arrangement (16) is installed in end cap (15); between the flange plate (11); mover joint (17) links to each other with pull bar (18); little end cap (19) is fixed on the protector outer tube (20); sleeve pipe (21) and inner cone (23); in the liquid storage cylinder (25) between the outer cone (24) preloading spring (22) is housed; between sleeve pipe (21) and the two-way hydraulic bearing (27) filler (26) is housed; two-way hydraulic bearing (27) is equipped with pad (28); spacer ring (29); between 2 big end caps (30) and the axial hydrodynamic bellows (32) spring (31) is housed up and down, big end cap (30) is installed in the outer tube (33).
2. efficient linear dynamo oil recovery pump according to claim 1 is characterized in that: plunger (9) links to each other with linear motor rotor (13) by plunger connector (12), and linear motor rotor (13), linear motor stator electric (14) are cylindrical shape.
3. efficient linear dynamo oil recovery pump according to claim 1; it is characterized in that: two little end caps (19) are installed in the two ends of protector outer tube (20); preloading spring (22) is housed in the sleeve pipe (21); inner cone (23); outer cone (24) also is installed on the pull bar (18); preloading spring (22) is housed in the liquid storage cylinder (25); inside in protector outer tube (20); one end of sleeve pipe (21) is equipped with filler (26); two-way hydraulic bearing (27); pad (28); spacer ring (29), filler (26); two-way hydraulic bearing (27); pad (28); spacer ring (29) is installed on the pull bar (18).
CNU2007200792260U 2007-04-18 2007-04-18 Highly effective linear motor oil extraction pump Expired - Fee Related CN201037457Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200792260U CN201037457Y (en) 2007-04-18 2007-04-18 Highly effective linear motor oil extraction pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200792260U CN201037457Y (en) 2007-04-18 2007-04-18 Highly effective linear motor oil extraction pump

Publications (1)

Publication Number Publication Date
CN201037457Y true CN201037457Y (en) 2008-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200792260U Expired - Fee Related CN201037457Y (en) 2007-04-18 2007-04-18 Highly effective linear motor oil extraction pump

Country Status (1)

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CN (1) CN201037457Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106761550A (en) * 2016-12-15 2017-05-31 中国石油天然气股份有限公司 A kind of oil immersion line motor Rodless oil extraction integrated apparatus
CN109595145A (en) * 2018-11-26 2019-04-09 山东泽元石油机械有限公司 Latent oil reciprocator and its plunger pump system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106761550A (en) * 2016-12-15 2017-05-31 中国石油天然气股份有限公司 A kind of oil immersion line motor Rodless oil extraction integrated apparatus
CN109595145A (en) * 2018-11-26 2019-04-09 山东泽元石油机械有限公司 Latent oil reciprocator and its plunger pump system

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080319

Termination date: 20110418