CN201083193Y - Horizontal well electric latent plunger pump lifting device - Google Patents
Horizontal well electric latent plunger pump lifting device Download PDFInfo
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- CN201083193Y CN201083193Y CNU2007201550659U CN200720155065U CN201083193Y CN 201083193 Y CN201083193 Y CN 201083193Y CN U2007201550659 U CNU2007201550659 U CN U2007201550659U CN 200720155065 U CN200720155065 U CN 200720155065U CN 201083193 Y CN201083193 Y CN 201083193Y
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000003129 oil well Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a hoist device for an electric submersible pump of a horizontal drain hole, which mainly solves the problem of the prior horizontal drain hole which leads to high investment and huge displacement by adopting an oil electric submersible and a hydraulic jet pump, is hard to meet the demands and cannot solve the eccentric wearing between rod and pipe by adopting a rod pump. The utility model is characterized in that the device also comprises a high flexible permanent magnetic straight line motor of small diameter (44) and a horizontal hoist subsurface pump (43), wherein the high flexible permanent magnetic straight line motor of small diameter (44) mainly comprises a stator and a mover and the horizontal hoist subsurface pump (43) comprises a fixed valve, a pump barrel (23), a piston (22) and an upper and a lower traveling valves. The stator part of the high flexible permanent magnetic straight line motor of small diameter (44) is connected with the pump barrel (23) and the mover part is connected with the piston (22). The device is low in production cost, and is capable of working with a small displacement, solving the eccentric wearing between the rod and the pipe and producing at any flowing pressure so as to ensure a rational flowing pressure of a horizontal drain hole.
Description
Technical field:
The utility model relates to a kind of lift device in the petroleum production engineering field, oil field, especially relates to a kind of rodless pump lift device that is applied in the horizontal well production field.
Background technique:
At present, domestic many peripheral low yield low permeability oil fields all application level well technology develop, along with the minimizing day by day of petroleum resources, the scale of application level well enlarges year by year.The technology that is applied to finish on the horizontal well lifting now mainly contains rodless pump lifting technologies such as submersible electric pump, hydraulic jet pump, but these mature technique are because that investment is high, discharge capacity is big etc. is former thereby be difficult to satisfy the needs of hyposmosis, the lifting of low yield horizontal well, especially are difficult to satisfy the needs that horizontal well, high-inclination directional well are taken out deeply.But and if adopt rod pump lifting technologies such as pumping unit-deep-well pump, screw pump can't solve eccentric wear problem between bar, the pipe, can't descend horizontal segment, therefore, the lifting problem of horizontal well extraction liquid has become a great problem that restriction low yield low permeability oil field improves recovery rate.
The model utility content:
But adopt submersible electric pump, hydraulic jet pump to cause investing height, discharge capacity to be difficult to greatly satisfy the demand and to adopt rod pump can't solve problems such as eccentric wear between bar, the pipe in order to solve existing level well lift device, the utility model provides a kind of lifting device of electric submersible piston pump in horizontal wells, this kind lifting device of electric submersible piston pump in horizontal wells cost of production is low, can work under little discharge capacity, can solve the eccentric wear problem between bar, the pipe, reduce the operation maintenance workload of lever system factor, prolong pump detection period.This device can be depressed production at any stream down to the net horizontal section lifting in addition, guarantees that the reasonable stream of horizontal well is pressed.
The technical solution of the utility model is: this kind lifting device of electric submersible piston pump in horizontal wells, comprise production tree, oil pipe, oil-submersible cable and ground control cabinet, and a minor diameter high elasticity permanent-magnetism linear motor, a horizontal lifting oil well pump.
Described minor diameter high elasticity permanent-magnetism linear motor mainly is made up of stator and mover two-part, and stationary part comprises stationary torus coil, stationary torus iron core, high elasticity urceolus, wear-resistant protection inner core.Wherein, annular stator core cooperates at high elasticity urceolus internal clearance; each stationary torus stationary torus coil with each embedding unshakable in one's determination constitutes a magnetic pole unit; constitute the electromagnet portion of single-unit motor by several magnetic pole units; the electromagnet portion of motor stator is formed in the electromagnet portion series connection back of multistage single-unit motor; be confined space between high elasticity urceolus and the wear-resistant protection inner core; charge into insulating oil in it; mover partly comprises connecting rod; permanent magnet; mover core and mover base; wherein; connecting rod is fixed on the mover base; then fixed interval has annular permanent magnet and annular mover core on connecting rod; a protecting jacket that is made of corrosion-proof wear-resistant material is arranged on the outer wall of permanent magnet and mover core, and described mover partial fixing leaves air gap between two-part in the annular center hole of stationary part.
Described horizontal lifting oil well pump is made up of standing valve, pump barrel, plunger and upper and lower two travelling valves.Wherein standing valve is by the standing valve cover; the standing valve ball; and Returnning spring is formed; Returnning spring; the standing valve ball; fixed ball seat places in the standing valve cover successively; be Spielpassung between standing valve cover and the standing valve ball; front end at the standing valve cover has flow channels; on described; following two travelling valves are respectively by last travelling valve cover; on the ball seat that moves about; on the ball that moves about; spring and following travelling valve cover move about; under the ball seat that moves about; under the ball that moves about constitute; on the ball seat that moves about; on the ball that moves about; the spring that moves about is positioned at the travelling valve cover; under the ball seat that moves about; under the ball that moves about be positioned at down travelling valve cover; last travelling valve cover and on move about ball and down the travelling valve cover and under move about and be Spielpassung between the ball; at last travelling valve cover front end flow channels is arranged; described standing valve is at the front end of pump barrel; travelling valve and plunger are positioned at pump barrel; wherein go up; following travelling valve cover is connected with plunger screw; described plunger in pump barrel with its Spielpassung, protection tube is fixed in outside the pump barrel.
Described minor diameter high elasticity permanent-magnetism linear motor is by the motor upper connection, the mover upper connection, the pump connecting leg, the electric pump cup of strike-ofing, joint shakes out, the polished rod of strike-ofing, the polished rod joint, screen casing, push rod, the polished rod connection block is connected the rear end of horizontal lifting oil well pump, the stationary part of its medium-small diameter high elasticity permanent-magnetism linear motor links to each other with pump barrel, the mover part links to each other with plunger, the front end of horizontal lifting oil well pump links to each other with oil pipe, through hole on the screen casing is the passage that liquid enters pump barrel, described mover part drives the plunger to-and-fro motion at the control lower edge of ground control cabinet axially reciprocating.
The utlity model has following beneficial effect: at first, because minor diameter high elasticity permanent-magnetism linear motor electromagnet portion has adopted multistage to connect the urceolus that cooperates highly resilient material to make, make it can produce the elastic deformation amount then by the curvature biggest place of horizontal well, can be smoothly down to net horizontal section; Secondly, this minor diameter high elasticity permanent-magnetism linear motor is connected the rear end of pump, the pump front end links to each other with oil pipe, the mover of linear electric motor links to each other with oil pump plunger piston, liquid enters pump barrel by the screen casing in the middle of pump and the motor, when mover during at the control lower edge of control system axially reciprocating, then drive the plunger to-and-fro motion, because horizontal oil well pump standing valve design is at the pump top, travelling valve and plunger are in pump barrel, the unidirectional forward unlatching of all valve balls, thus the extraction liquid of net horizontal section is given rise to ground by oil pipe; In addition, can be in the VFC cabinet by set upstream frequency adjust up lifting force, on line time, design is fixed line frequency and is adjusted descending lifting force, downgoing time, set jig frequency numerical control system motor in the lower dead centre waiting time, thereby control reciprocal number of times of mover unit time reaches the purpose of regulating discharge capacity.
Description of drawings:
Fig. 1 is a composition schematic representation of the present utility model.
Fig. 2 is the structure sectional view after motor, the oil well pump in the device described in the utility model connects.
Fig. 3 is the structure sectional view of the minor diameter high elasticity permanent-magnetism linear motor that comprises in the device described in the utility model.
Fig. 4 is the horizontal lifting oil pumping pump structure sectional view that comprises in the device described in the utility model.
Fig. 5 is the structure sectional view of several links that the horizontal lifting oil well pump of realization and minor diameter high elasticity permanent-magnetism linear motor connect in the device described in the utility model.
1-high elasticity urceolus among the figure, 2-stator core, 3-stator coil, 4-insulating oil; 5-wear-resistant protection inner core, 6-air gap, 7-protecting jacket, 8-permanent magnet; the 9-mover core, 10-connecting rod, 11-mover base, 12-equalizing orifice; 13-standing valve cover, the 14-fixing spring, 15-is ball fixedly, the 16-fixed ball seat; the 17-plunger cup of strike-ofing, the 18-spring that moves about, ball moves about on the 19-; the ball seat that moves about on the 20-, the last travelling valve cover of 21-, 22-plunger; 23-pump barrel, 24-are protected tube, travelling valve cover under the 25-; the ball that moves about under the 26-, the ball seat that moves about under the 27-, 28-push rod; 29-screen casing, 30-polished rod joint, the 31-polished rod of strike-ofing; the 32-joint that shakes out, the 33-electric pump cup of strike-ofing, 34-pump connecting leg; the 35-tubing coupling, 36-oil pipe short circuit, 37-polished rod connection block; the upper connection of 38-mover, the upper connection of 39-motor, 40-VFC cabinet; the 41-oil-submersible cable, 42-oil pipe, the horizontal lifting oil well pump of 43-; 44-minor diameter high elasticity permanent-magnetism linear motor, 45-motor tail pipe, 46-motor urceolus.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, this kind lifting device of electric submersible piston pump in horizontal wells, comprise production tree, oil pipe 42, oil-submersible cable 41, ground VFC cabinet 40, minor diameter high elasticity permanent-magnetism linear motor 44, horizontal lifting oil well pump 43, Placement between each parts is the rear end that minor diameter high elasticity permanent-magnetism linear motor 44 is connected horizontal lifting oil well pump 43, the front end of horizontal lifting oil well pump 43 links to each other with oil pipe 42, provides electric energy by ground VFC cabinet 40, oil-submersible cable 41 for minor diameter high elasticity permanent-magnetism linear motor 44.The stator of minor diameter high elasticity permanent-magnetism linear motor 44 links to each other with the pump barrel of horizontal lifting oil well pump 43, and mover links to each other with the plunger of this oil well pump, motor after, pump is preceding, liquid enters pump barrel by the screen casing in the middle of pump and the motor.Mover drives the plunger to-and-fro motion at the control lower edge of ground VFC cabinet 40 axially reciprocating, thereby the extraction liquid that will enter in the pump barrel passes through oil pipe 42 lifting earthward.
In this device, parts such as production tree, oil pipe 42, oil-submersible cable 41, ground VFC cabinet 40 are prior art, here no longer repeat to introduce, and introduce the structure and the principle of the several parts that belong to inventor's original creation in this device below in detail.
As shown in Figure 2, be the overall structure sectional view after minor diameter high elasticity permanent-magnetism linear motor 44 in the device described in the utility model connects with horizontal lifting oil well pump 43, Fig. 3 is the structure sectional view of minor diameter high elasticity permanent-magnetism linear motor.As shown in the figure, described minor diameter high elasticity permanent-magnetism linear motor 44 mainly is made up of stator and mover two-part.Stationary part comprises stationary torus coil 3, stationary torus iron core 2, high elasticity urceolus 1, wear-resistant protection inner core 5; wherein; annular stator core 2 cooperates at high elasticity urceolus 1 internal clearance; each stationary torus unshakable in one's determination 2 constitutes a magnetic pole unit with the stationary torus coil 3 of each embedding; constitute the electromagnet portion of single-unit motor by several magnetic pole units, the electromagnet portion of motor stator is formed in the electromagnet portion series connection back of multistage single-unit motor.Between high elasticity urceolus 1 and the wear-resistant protection inner core 5 is confined space, charges into insulating oil 4 in it.Mover partly comprises connecting rod 10, permanent magnet 8, mover core 9 and mover base 11; wherein; connecting rod 10 is threaded with mover base 11; then fixed interval has annular permanent magnet 8 and annular mover core 9 on connecting rod 10; a protecting jacket 7 that is made of corrosion-proof wear-resistant material is arranged on the outer wall of permanent magnet 8 and mover core 9; described mover partly places in the annular center hole of stationary part, leaves air gap 6 between two-part.
The motor of this structure, because the multistage connection has been adopted in inside, the urceolus that the outside adopts highly resilient material to make, thus make it can produce the crooked curvature biggest place of elastic deformation amount under external force by horizontal well, realize smooth purpose down to net horizontal section.When actual design, motor maximum flexibility amount of deformation is reached by 200% of horizontal well demand, after entering horizontal segment by inclination section, motor will recover original straightened condition automatically like this.
The inventor designs this kind motor and is based on following working principle:
According to electromagnetic theory, produce magnetic field around the hot-wire coil, the direction in magnetic field is judged with right-hand[ed, when current direction changed, magnetic direction changed thereupon, after coil passes through Ac, produce alternating magnetic field around coil, the frequency and the ac frequency of changes of magnetic field are synchronous.Therefore, the inventor considers, threephase AC is delivered to stator coil by cable, after feeding exchanges the symmetrical sine electric current in linear motor stator electric A, B, the C three-phase, produces air-gap field, and air-gap field is sinusoidal distribution along straight line.When the A phase current reached maximum value, B phase and C phase current were 1/2 negative maximum value, and the magnetic field wave amplitude is in the A phase position; When the B phase current reached maximum value, C phase and A phase current were 1/2 negative maximum value, and the magnetic field wave amplitude is in the B phase position; When the C phase current reached maximum value, A phase and B phase current were 1/2 negative maximum value, and the magnetic field wave amplitude is in the C phase position; Along with the variation of electric current, the wave amplitude in magnetic field moves by A phase, B phase, the C straight line that hands down, and mover and air-gap field interact and produce electromagnetic push, and under the motionless condition of stator, mover follows ripple magnetic direction moving linearly.When current direction changed, the travelling-magnetic-field direction changed thereupon, and the traffic direction of mover changes, thereby realized that mover does reciprocating linear motion in stator.
Fig. 4 is the structure sectional view of horizontal lifting oil well pump 43, and as shown in the figure, described horizontal lifting oil well pump 43 is made up of standing valve, pump barrel 23, plunger 22 and upper and lower two travelling valves.Wherein standing valve is by standing valve cover 13; standing valve ball 15 and Returnning spring 14 are formed; Returnning spring 14; standing valve ball 15; fixed ball seat 16 places in the standing valve cover 13 successively; be Spielpassung between standing valve cover 13 and the standing valve ball 15; front end at standing valve cover 13 has flow channels; on described; following two travelling valves are respectively by last travelling valve cover 21; on the ball seat 20 that moves about; on the ball 19 that moves about; spring 18 and following travelling valve cover 25 move about; under the ball seat 27 that moves about; under move about ball 26 constitute; on the ball seat 20 that moves about; on the ball 19 that moves about; the spring 18 that moves about is positioned at travelling valve cover 21; under the ball seat 27 that moves about; under the ball 26 that moves about be positioned at down travelling valve cover 25; last travelling valve cover 21 and on move about ball 19 and down travelling valve cover 25 and under move about and be Spielpassung between the ball 26; at last travelling valve cover 21 front ends flow channels is arranged; described standing valve is at the front end of pump barrel 23; travelling valve and plunger 22 are positioned at pump barrel 23; its middle and upper reaches are moved valve cover 21; following travelling valve cover 25 is threaded with plunger 22; described plunger 22 in pump barrel 23 with its Spielpassung, protection tube 24 is fixed in outside the pump barrel 23.
Move about on when the pump horizontal positioned ball 19, the ball 26 that moves about is subjected to travelling valve cover 21, the down support of travelling valve cover 25 down, the ball 19 that moves about in the assurance, the ball 26 that moves about can carry out axial motion down.Under the elastic force of spring 18 that moves about, pressure effect, the ball 19 that moves about in the assurance is in time closed, to satisfy the needs of horizontal lifting.
The working procedure of this pump is: during down stroke, plunger 22 is descending, ball 15 and fixed ball seat 16 are in time closed, the volume that plunger 22 is abdicated forms a low-pressure cavity in pump barrel 23, liquid overcomes the spring 18 that moves about under the effect that stream is pressed elastic force backs down the ball 19 that moves about, and enters in the pump barrel 23.During upstroke, plunger 22 moves upward, on the ball 19 that moves about close, plunger 22 up promotion liquid overcome fixing spring 14 elastic force, head of liquid backs down fixedly ball 15, enters in the oil pipe, finishes the lifting process.
As shown in Figure 5, it is the structure sectional view of several links that the horizontal lifting oil well pump of realization and minor diameter high elasticity permanent-magnetism linear motor connect in the device described in the utility model, specifically, described minor diameter high elasticity permanent-magnetism linear motor 44 is connected the rear end of horizontal lifting oil well pump 43 by strike-off cup 33, the joint 32 that shakes out, the polished rod 31 of strike-ofing, polished rod joint 30, screen casing 29, push rod 28, polished rod connection block 37 of motor upper connection 39, mover upper connection 38, pump connecting leg 34, electric pump.The stationary part of its medium-small diameter high elasticity permanent-magnetism linear motor 44 links to each other with pump barrel 23, the mover part links to each other with plunger 22, the front end of horizontal lifting oil well pump 43 links to each other with oil pipe, through hole on the screen casing 29 is the passage that liquid enters pump barrel, described mover part drives plunger 22 to-and-fro motion at the control lower edge of ground VFC cabinet 40 axially reciprocating.
Whole oil pumping lifting process is: during down stroke, electric current is by A to C phase time, travelling-magnetic-field movement direction A to C phase, the magnetic field interaction with rotor permanent magnet forms produces electromagnetic push, stator is motionless, mover vertically by A in opposite directions C move mutually.Mover drives plunger and moves backward, standing valve is in time closed with fixed ball seat 14 under the effect of fixing spring 14, move behind the plunger 22, the space that plunger 22 is abdicated forms a low-pressure cavity, liquid is under the effect that stream is pressed, make move about ball 19 and under the ball 26 that moves about open, liquid enters pump barrel 23 through plunger 22.During upstroke, electric current is by C to A phase time, travelling-magnetic-field movement direction C to A phase, the magnetic field interaction with rotor permanent magnet forms produces electromagnetic push, stator is motionless, mover vertically by C in opposite directions A move mutually.Mover drives plunger 22 and travels forward, on move about ball 19 and move about down ball 26 under the effect of the spring 18 that moves about with on move about ball seat 20, the ball seat 27 that moves about is closed down, plunger 22 reaches promote liquid and back down fixedly ball 15, and liquid is discharged pump barrel, enter oil pipe, finish the lifting process.
Operator can be in ground VFC cabinet 40 by set upstream frequency adjust up lifting force, on line time, set downstream frequency and adjust descending lifting force, downgoing time, set jig frequency numerical control system motor in the lower dead centre waiting time.Adjust control system parameter, control reciprocal number of times of mover unit time, thus realize regulating discharge capacity.
Be to use the utility model to carry out the latent horizontal lifting technology site test of the plunger oil-well pump situation of electricity below.This test is altogether 3 mouthfuls of aboveground carrying out, and site operation is smooth, no jam phenomenon.Be respectively:
Start flat 21 wells of 68-: on December 15th, 2005 went into operation, the test production fluid 6.6t day before yesterday, and day produce oil 6.2t, moisture 9%, producing fluid level 913m, submergence 177m, stream is pressed 3.6MPa; On July 5th, 2006 completion, pump footpath 38mm, pump is hung 1481m, 9.29 °/25m of maximum hole curvature, pump is hung apart from finger tip 562m, test back day production fluid 9.1t, day produce oil 8.5t, moisture 7%, producing fluid level 1158m, stream is pressed 1.5MPa, pump efficiency 97%, 138 days working times of down-hole.
Start flat 34 wells of 46-: on January 5th, 2005 went into operation, the test production fluid 7.9t day before yesterday, and day produce oil 7.4t, moisture 8%, producing fluid level 1190m, submergence 0m, stream is pressed 2.0MPa.On September 5th, 2006 completion, pump footpath 38mm, pump is hung 1768m, 9.62 °/25m of maximum hole curvature, pump is hung apart from finger tip 479m, test back day production fluid 13.4t, day produce oil 12.3t, moisture 8%, producing fluid level 1264m, stream is pressed 1.4MPa, pump efficiency 90%, 74 days working times of down-hole.
State 57-puts down 61 wells: went into operation on December 20th, 2005, and the test production fluid 4.8t day before yesterday, day produce oil 4.5t, moisture 6%, producing fluid level 1170m, submergence 0m, stream is pressed 1.9MPa.On November 17th, 2006 completion, pump footpath 38mm, pump is hung 1785m, 12.8 °/25m of maximum hole curvature, pump is hung apart from finger tip 244m, runnability is waited to observe.3 mouthfuls of well PRODUCTION STATUS see Table one.
Table one
From test situation, stream flattens and all to reduce 0.7MPa, the average individual well oily 3.2t that increases day by day, and ton liquid power consumption index decline 17kWh, system effectiveness has improved 11.77 percentage points.
Claims (1)
1. lifting device of electric submersible piston pump in horizontal wells, comprise production tree, oil pipe (41), oil-submersible cable (41) and ground VFC cabinet (40), it is characterized in that: described device also comprises a minor diameter high elasticity permanent-magnetism linear motor (44), a horizontal lifting oil well pump (43);
Described minor diameter high elasticity permanent-magnetism linear motor (44) mainly is made up of stator and mover two-part, stationary part comprises stationary torus coil (3), stationary torus iron core (2), high elasticity urceolus (1), wear-resistant protection inner core (5), wherein, annular stator core (2) cooperates at high elasticity urceolus (1) internal clearance, each stationary torus iron core (2) constitutes a magnetic pole unit with the stationary torus coil (3) of each embedding, constitute the electromagnet portion of single-unit motor by several magnetic pole units, the electromagnet portion of motor stator is formed in the electromagnet portion series connection back of multistage single-unit motor, between high elasticity urceolus (1) and the wear-resistant protection inner core (5) is confined space, charge into insulating oil (4) in it, mover partly comprises connecting rod (10), permanent magnet (8), mover core (9) and mover base (11), wherein, connecting rod (10) is threaded with mover base (11), then fixed interval has annular permanent magnet (8) and annular mover core (9) on connecting rod (10), on the outer wall of permanent magnet (8) and mover core (9), a protecting jacket that is made of corrosion-proof wear-resistant material (7) is arranged, described mover partly places in the annular center hole of stationary part, leaves air gap (6) between two-part;
Described horizontal lifting oil well pump (43) is by standing valve, pump barrel (23), plunger (22) and on, following two travelling valves are formed, wherein standing valve is by standing valve cover (13), standing valve ball (15) and Returnning spring (14) are formed, Returnning spring (14), standing valve ball (15), fixed ball seat (16) places in the standing valve cover (13) successively, between standing valve cover (13) and the standing valve ball (15) is Spielpassung, front end at standing valve cover (13) has flow channels, on described, following two travelling valves are respectively by last travelling valve cover (21), on the ball seat (20) that moves about, on the ball (19) that moves about, spring (18) and following travelling valve cover (25) move about, under the ball seat (27) that moves about, under the ball (26) that moves about constitute, on the ball seat (20) that moves about, on the ball (19) that moves about, the spring (18) that moves about is positioned at travelling valve cover (21), under the ball seat (27) that moves about, under the ball (26) that moves about be positioned at down travelling valve cover (25), last travelling valve cover (21) and on move about ball (19) and down travelling valve cover (25) and under move about and be Spielpassung between the ball (26), at last travelling valve cover (21) front end flow channels is arranged, described standing valve is at the front end of pump barrel (23), travelling valve and plunger (22) are positioned at pump barrel (23), wherein go up, following travelling valve cover (21,25) be threaded with plunger (22), described plunger (22) in pump barrel (23) with its Spielpassung, protection tube (24) is fixed in outside the pump barrel (23);
Described minor diameter high elasticity permanent-magnetism linear motor (44) is by motor upper connection (39), mover upper connection (38), pump connecting leg (34), electric pump strike-off the cup (33), joint (32) shakes out, the polished rod (31) of strike-ofing, polished rod joint (30), screen casing (29), push rod (28), polished rod connection block (37) is connected the rear end of horizontal lifting oil well pump (43), the stationary part of its medium-small diameter high elasticity permanent-magnetism linear motor (44) links to each other with pump barrel (23), the mover part links to each other with plunger (22), the front end of horizontal lifting oil well pump (43) links to each other with oil pipe, through hole on the screen casing (29) is the passage that liquid enters pump barrel (23), described mover part drives plunger (22) to-and-fro motion at the control lower edge of ground VFC cabinet (40) axially reciprocating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201550659U CN201083193Y (en) | 2007-07-20 | 2007-07-20 | Horizontal well electric latent plunger pump lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201550659U CN201083193Y (en) | 2007-07-20 | 2007-07-20 | Horizontal well electric latent plunger pump lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN201083193Y true CN201083193Y (en) | 2008-07-09 |
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ID=39625659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201550659U Expired - Lifetime CN201083193Y (en) | 2007-07-20 | 2007-07-20 | Horizontal well electric latent plunger pump lifting device |
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| CN (1) | CN201083193Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103998783A (en) * | 2011-12-15 | 2014-08-20 | 雷兹生产有限公司 | Horizontal and vertical well fluid pumping system |
| CN105874156A (en) * | 2013-12-26 | 2016-08-17 | 大族激光科技产业集团股份有限公司 | Oil-submersible linear motor oil extraction system |
| RU2786035C2 (en) * | 2021-05-18 | 2022-12-16 | Дмитрий Валерьевич Хачатуров | Method for increasing the wear resistance of a friction pair of a linear submersible electric engine |
| CN116085223A (en) * | 2022-03-25 | 2023-05-09 | 东北石油大学 | A reciprocating pump with simple harmonic motion of a linear motor mover and its current control method |
-
2007
- 2007-07-20 CN CNU2007201550659U patent/CN201083193Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103998783A (en) * | 2011-12-15 | 2014-08-20 | 雷兹生产有限公司 | Horizontal and vertical well fluid pumping system |
| CN105874156A (en) * | 2013-12-26 | 2016-08-17 | 大族激光科技产业集团股份有限公司 | Oil-submersible linear motor oil extraction system |
| RU2786035C2 (en) * | 2021-05-18 | 2022-12-16 | Дмитрий Валерьевич Хачатуров | Method for increasing the wear resistance of a friction pair of a linear submersible electric engine |
| CN116085223A (en) * | 2022-03-25 | 2023-05-09 | 东北石油大学 | A reciprocating pump with simple harmonic motion of a linear motor mover and its current control method |
| CN116085223B (en) * | 2022-03-25 | 2025-08-01 | 东北石油大学 | Reciprocating pump for linear motor rotor simple harmonic motion and current control method thereof |
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