CN203499650U - Magnetic suspension pump integration underground oil extraction device - Google Patents

Magnetic suspension pump integration underground oil extraction device Download PDF

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Publication number
CN203499650U
CN203499650U CN201320636405.5U CN201320636405U CN203499650U CN 203499650 U CN203499650 U CN 203499650U CN 201320636405 U CN201320636405 U CN 201320636405U CN 203499650 U CN203499650 U CN 203499650U
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CN
China
Prior art keywords
magnetic suspension
oil
pump
extraction device
valve cover
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Expired - Fee Related
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CN201320636405.5U
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Chinese (zh)
Inventor
于修海
暴喜军
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DAQING JIUFANG PETROLEUM INSTRUMENT EQUIPMENT Co Ltd
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DAQING JIUFANG PETROLEUM INSTRUMENT EQUIPMENT Co Ltd
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Priority to CN201320636405.5U priority Critical patent/CN203499650U/en
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Publication of CN203499650U publication Critical patent/CN203499650U/en
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Abstract

The utility model relates to a magnetic suspension pump integration underground oil extraction device used during oil extraction in the field of oil fields. The magnetic suspension pump integration underground oil extraction device comprises an oil well pump cylinder and a built-in dragging pup joint, wherein the dragging pup joint is connected with a magnetic suspension motor rotor through an adapter substitute, and the lower end of the magnetic suspension motor rotor is connected with an oil well pump traveling valve assembly; the outer wall of the oil well pump cylinder is sleeved with a magnetic suspension motor stator which is arranged in a shell. The magnetic suspension pump integration underground oil extraction device has sand-proof, paraffin-control and stepless adjustment functions, is compact in structure and efficient, saves energy, and is free of maintenance, long in service live, capable of greatly reducing production cost, and particularly suitable for being used for controlling a deep shaft, a directional well, paraffin precipitation, thickened oil and pumping of land and offshore wells.

Description

The motor-and-pump integrated downhole oil extraction device of magnetic suspension
Technical field
Down-hole oil production equipment used when the utility model relates to field, oil field and recovers the oil, particularly directional well, horizontal well, a kind of motor-and-pump integrated downhole oil extraction device of magnetic suspension with sand control, wax control function using when high wax containing well and offshore oilfield recover the oil.
Background technology
In oil extraction in oil field field, at present the pumping unit in each oil field is mostly conventional beam-pumping unit, the subject matter of its existence is that energy consumption is large, efficiency is low, beam pumping unit annex is many, weight large, running part link too much, the loss of parts and the loss of energy surprising.Because its course of work of traditional beam pumping unit is: use driven by motor reductor, reductor drives belt pulley, belt pulley drives crank connecting link rotational circle motion to be become to the straight reciprocating motion up and down of horse head suspension point, rely on sucker rod and polished rod transmission campaign, driving down-hole oil pump plunger to put on puts down, taking oil out of ground enters in oil pipeline, at sucker rod, pump in process, very easily cause eccentric wear between sucker rod and oil pipe, reduce application life, shorten duty cycle, increased a large amount of expenses.Along with the continuous increase of well depth and output, along with the frequent appearance of oil mining complex conditions, as conditions such as many gas, water logging and severe corrosives, many problems of traditional beam pumping unit display significantly simultaneously.Main realization as energy consumption is high, weight is large and be difficult to realize long stroke, low jig frequency oil pumping, the accident of the sucker rod pump delivery reduction etc. that increases, pumps aborning.According to statistics, beam pumping unit is belt deterioration 15% wherein, reductor power attenuation 9%, and four-bar linkage structure power attenuation 3-6%, the energy loss of above three aspects is in 30-35% left and right, and offshore oilfield is because the weight of beam pumping unit especially cannot operation.In order to overcome these shortcomings, since 21 century, occurred new reciprocating diving electric pump, magnetic suspension motor is connected with oil well pump, has obvious energy-conserving action, but structure imperfection, having inborn problem is because pump is connected by connecting rod with magnetic suspension motor, makes integrally-built axis size long, the easy unstability of depression bar, stroke is mostly 1.2 meters to 1.5 meters, and oil well pump pumping coefficient is not high.
utility model content:
In order to address the above problem, the utility model provides a kind of magnetic suspension motor-and-pump integrated downhole oil extraction device.This device has sand control, wax control, stepless adjustment function, and compact conformation, energy-efficient, non-maintaining, the life-span is long, can greatly reduce production costs, and is particularly suitable for deep-well, directional well, wax deposition, viscous crude, the land and offshore field such as finds time to control and use.
The technical solution of the utility model is: the motor-and-pump integrated downhole oil extraction device of a kind of magnetic suspension, comprise oil pumping barrel and built-in pulling short circuit, described pulling short circuit connects magnetic suspension motor mover through crossover sub, and the lower end of magnetic suspension motor mover connects the combination of oil well pump travelling valve; And oil pumping barrel outer wall suit magnetic suspension motor stator, described magnetic suspension motor stator is placed in housing.
The combination of described oil well pump travelling valve comprises valve cover and upper valve, sub-coupling, oil pump plunger piston, lower valve cover and lower valve, described upper valve cover is connected in the lower end of magnetic suspension mover, upper valve cover is built-in with valve, upper valve cover connects oil pump plunger piston through sub-coupling, the lower end of oil pump plunger piston connects lower valve cover, and lower valve cover is built-in with lower valve.
Above-mentioned magnetic suspension motor stator is comprised of some electromagnetic coils and magnetic suspension bearing, and described some electromagnetic coils are connected with magnetic suspension bearing axially spaced-apart and are set in above-mentioned oil pumping barrel outer wall, and electromagnetic coil is topmost connected with electricity cable.
The beneficial effects of the utility model are: in such scheme, magnetic suspension mover and the oil well pump parts that move about are integrated, become the part of moving about of oil well pump, magnetic suspension stator also coordinates and is integrated with oil pump sleeve, relies on magnetic suspension electromagnetic principle, and oil well pump fixation kit directly provides electromagnetic power for the assembly that moves about, electric energy is directly changed into straight-line mechanical energy, middle machinery-free running part, has improved transmission efficiency, and energy-saving effect is very obvious; Data acquisition unit in use device, realizes the stepless adjustment of swabbing parameter; By magnetic suspension mover, substitute sucker rod, avoided the eccentric wear problem between sucker rod and oil pipe, extended the application life of this device; Because this device is not used quadric chain, overcome the shortcoming that when beam pumping unit strengthens stroke, reduction box moment of torsion increases, therefore, be easier to realize long stroke.This device overall structure is simple, improved reliability and convenience has been installed, operate steadily, reliable, non-maintaining, regulation and control are convenient, can meet the requirement that oil production technology automatically controls and adapt to the severe features such as working environment, being particularly suitable for deep-well, directional well, wax deposition, viscous crude, the land and offshore field such as finding time to control and use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the operating principle schematic diagram of this device.
1-top connection in figure, 2-electricity cable, 3-pulling short circuit, 4-housing, 5-oil well pump fluid hole, 6-magnetic suspension motor mover, 7-crossover sub, 8-electromagnetic coil, the upper valve of 9-, 10-oil pump plunger piston, 11-oil pumping barrel, valve under 12-, 13-tubing coupling, 14-standing valve, 15-standing valve cover, 16-sub-coupling, 17-lower contact, valve cover under 18-, the upper valve cover of 19-, 20-magnetic suspension bearing, 21-data acquisition unit.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Shown in Fig. 1 and Fig. 2, the motor-and-pump integrated downhole oil extraction device of this magnetic suspension, comprise top connection 1, oil pumping barrel 11 and pulling short circuit 3, tubing coupling 13 and lower contact 17, described top connection 1 is threaded with the upper end of oil pumping barrel 11, the tubing coupling 13 that is threaded of the lower end of oil pumping barrel 11, the tubing coupling 13 standing valve cover 15 that is threaded, standing valve cover 15 lower contact 17 that is threaded, standing valve cover 15 is built-in with standing valve 14, wherein, on above-mentioned pulling short circuit 3 with fluid hole 5, and crossover sub 7 is threaded, the crossover sub 7 magnetic suspension motor mover 6 that is threaded, the be threaded oil well pump travelling valve combination of the lower end of magnetic suspension motor mover 6, and above-mentioned pulling short circuit 3, crossover sub 7, magnetic suspension motor mover and the combination of oil well pump travelling valve are all placed in oil pumping barrel 11, above-mentioned oil pumping barrel 11 outer wall suit magnetic suspension motor stators, described magnetic suspension motor stator is placed in housing 4.
Above-mentioned oil well pump travelling valve combination comprises valve cover 19 and upper valve 9, sub-coupling 16, oil pump plunger piston 10, lower valve cover 18 and lower valve 12, described upper valve cover 19 is threadedly connected to the lower end of magnetic suspension motor mover 6, upper valve cover 19 is built-in with valve 17, upper valve cover 19 sub-coupling 16 that is threaded, connect sub-coupling 16 oil pump plunger piston 10 that is threaded, the lower end of the oil pump plunger piston 10 lower valve cover 18 that is threaded, lower valve cover 18 is built-in with lower valve 12.
The magnetic suspension mover that above-mentioned magnetic suspension motor mover 6 is connected by some axial threads forms.
Above-mentioned magnetic suspension motor stator is comprised of some electromagnetic coils 8 and magnetic suspension bearing 20, described some electromagnetic coils 8 are fixedly connected with and are set in above-mentioned oil pumping barrel 11 outer walls with magnetic suspension bearing 20 axially spaced-aparts, electromagnetic coil 8 is topmost connected with electricity cable 2, electricity cable 2 is connected with ground power supply system, and top connection is built-in with the data acquisition unit 21 being connected with electricity cable.
Above-mentioned top connection 1 is built-in with the data acquisition unit 21 being connected with electricity cable 2, be used for measuring oil pressure, casing pressure, temperature, the parameter such as moisture, these parameters are uploaded to terrestrial contr by data cable 2, thereby obtain producing well flow, the parameters such as producing fluid level, terrestrial contr is according to acquisition parameter, according to program, automatically regulate the stroke of downhole oil extraction device, jig frequency, improves field output and oil recovery efficiency.
During oil recovery, lower contact 17 in this device is connected with anti-screen casing, form the inlet opening of oil production equipment, fluid thus inlet opening enters oil production equipment, top connection 1 is connected with oil pipe, crude oil, under the swabbing action of magnetic suspension mover and oil pump plunger piston, finally enters oil pipe by liquid outlet, thereby is transported to ground.
Specifically aspiration procedure as shown in Figure 2: upstroke as shown in Figure 2 A, magnetic suspension motor mover 6 drives oil pump plunger piston 10, upper valve 9, lower valve 12 descending successively, closing passage, oil pumping barrel 11 internal pressures decline, when oil pumping barrel 11 internal pressures are during lower than inlet pressure, under differential pressure action, standing valve 14 is up, and standing valve for oil-well pump is opened, liquid enters in oil pump plunger piston 10, and well head is discharged the liquid of oil pumping barrel volume simultaneously; During down stroke, as shown in Figure 2 B, under the effect of magnetic suspension motor mover 6, oil pump piston 10 is up, oil pumping barrel 11 internal pressures raise, under differential pressure action, and upper valve 9, lower valve 12 is up, passage is opened, and standing valve 14 is descending, fixedly lower passage, liquid is discharged to more than 10 oil pipe of oil pump piston in pump, waits for that next upstroke is discharged from well head.

Claims (3)

1. the motor-and-pump integrated downhole oil extraction device of magnetic suspension, comprise oil pumping barrel (11) and built-in pulling short circuit (3), it is characterized in that: described pulling short circuit (3) connects magnetic suspension motor mover through crossover sub (7), the lower end of magnetic suspension motor mover connects the combination of oil well pump travelling valve; And oil pumping barrel (11) outer wall suit magnetic suspension motor stator, described magnetic suspension motor stator is placed in housing (4).
2. the motor-and-pump integrated downhole oil extraction device of magnetic suspension according to claim 1, it is characterized in that: described oil well pump travelling valve combination comprises valve cover (19) and upper valve (9), sub-coupling (16), oil pump plunger piston (10), lower valve cover (18) and lower valve (12), described upper valve cover (19) is connected in the lower end of magnetic suspension mover (6), upper valve cover (19) is built-in with valve (9), upper valve cover (19) connects oil pump plunger piston (10) through sub-coupling (16), the lower end of oil pump plunger piston (10) connects lower valve cover (18), lower valve cover (18) is built-in with lower valve (12).
3. the motor-and-pump integrated downhole oil extraction device of magnetic suspension according to claim 1, it is characterized in that: above-mentioned magnetic suspension motor stator is comprised of some electromagnetic coils (8) and magnetic suspension bearing (20), described some electromagnetic coils (8) are all fixedly connected with and are set in above-mentioned oil pumping barrel (11) outer wall with magnetic suspension bearing (20) axially spaced-apart, and electromagnetic coil (8) is topmost connected with electricity cable (2).
CN201320636405.5U 2013-10-16 2013-10-16 Magnetic suspension pump integration underground oil extraction device Expired - Fee Related CN203499650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320636405.5U CN203499650U (en) 2013-10-16 2013-10-16 Magnetic suspension pump integration underground oil extraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320636405.5U CN203499650U (en) 2013-10-16 2013-10-16 Magnetic suspension pump integration underground oil extraction device

Publications (1)

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CN203499650U true CN203499650U (en) 2014-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103510923A (en) * 2013-10-16 2014-01-15 大庆九方石油仪器设备有限公司 Magnetic suspension machine-pump integrated underground oil extraction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103510923A (en) * 2013-10-16 2014-01-15 大庆九方石油仪器设备有限公司 Magnetic suspension machine-pump integrated underground oil extraction device

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GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Yu Xiuhai

Inventor before: Yu Xiuhai

Inventor before: Bao Xijun

CB03 Change of inventor or designer information
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20191016

CF01 Termination of patent right due to non-payment of annual fee