CN2740810Y - Plunger type oil well pump driven by linear motor - Google Patents
Plunger type oil well pump driven by linear motor Download PDFInfo
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- CN2740810Y CN2740810Y CN 200420092485 CN200420092485U CN2740810Y CN 2740810 Y CN2740810 Y CN 2740810Y CN 200420092485 CN200420092485 CN 200420092485 CN 200420092485 U CN200420092485 U CN 200420092485U CN 2740810 Y CN2740810 Y CN 2740810Y
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- cylinder
- oil
- well pump
- cylindrical body
- electric motor
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Abstract
The utility model relates to a linear electric motor driven plunger type oil-well pump relates to oil development equipment field. The utility model discloses mainly by the pipe, arrange linear electric motor, guide arm, control system and plunger type oil-well pump etc. in the pipe in and constitute. The linear motor mainly comprises a sealing cylinder, a cylinder arranged in the sealing cylinder, a cylinder in the cylinder and the like, wherein the lower end of the cylinder is connected with a guide rod, the other end of the guide rod penetrates through a sealing box at the lower end of the sealing cylinder to be connected with an oil well pump plunger, bosses with oil guide holes uniformly distributed are arranged in the guide pipe, a winding is embedded in the inner wall of the cylinder to serve as a primary motor, and a permanent magnet is embedded in the outer surface of the cylinder to serve as. The utility model discloses transmission system is simple, safe, reliable, has saved the energy consumption of overcoming sucker rod weight, therefore more energy-conserving to can change linear electric motor working parameter through control system, directly carry out infinitely variable control stroke, stroke and other swabbing working parameter, and examine operations such as pump convenient, be applicable to the oil recovery well of different well conditions.
Description
One, technical field
The utility model relates to a kind of oil exploration equipment, particularly the plunger oil-well pump that directly drives with linear electric motor.
Two, prior art
Plunger oil-well pump is widely used a kind of oil exploration equipment on the present oil field, is the capital equipment in the rod pumping system, and its rational structure makes it have very strong vitality.This system becomes the speed straight line to-and-fro motion to the high speed rotary motion of electric rotating machine by speed reducer and pumping unit, again power is passed to oil well pump by rod string, and the liquid in shaft bottom is lifted to ground.
But this oil pumping system by the work of electric rotating machine drive plunger oil-well pump, obviously there are the following problems:
1, the whole drive system parts are many, drive path is long, and transmission efficiency is low, and the possibility that system breaks down is big.
2, the rod string own wt is big, and recover the oil producing has in time institute's energy requirement more than 50% in order to overcome rod string weight, causes a large amount of quadergy losses.
For overcoming above-mentioned deficiency, it is that submersible electric pump carries out oil producing operation that people have adopted a kind of rodless pump again.It is to rely on the electric rotating machine in shaft bottom directly to drive multistage centrifugal pump, and well liquid is lifted to ground.But also there is following narrow limitation in this oil pumping system:
1, motor speed height, discharge capacity is bigger, is not suitable for the inadequate oil recovery well of shaft bottom feed flow;
2, for the more oil gas combined shaft of gassiness, pump efficiency is lower, and easily produces cavitation erosion, and centrifugal blade damages very fast.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art and plunger oil-well pump that the more energy-conservation linear motor driving of simple, applied widely and easy to operate, safe and reliable, the more conventional oil pumping mode of a kind of transmission is provided.
Realize that the technological scheme that the purpose of this utility model is taked is:
The utility model mainly by conduit, place linear electric motor, guide rod, control system and plunger oil-well pump etc. in the conduit to form.Conduit places in the sleeve pipe, and its upper end joins by conduit box cupling and oil pipe, and the working barrel of lower end and plunger oil-well pump joins.
Place in the conduit linear electric motor mainly by the upper end by seal, lower end by the sealing drum of sealing case, place cylinder in the sealing drum and the cylindrical body in the cylinder etc. to form, sealing drum internal diameter and outside diameter of cylinder size adapt, and barrel bore and cylindrical body external diameter size adapt.
The cylindrical body lower end links to each other with guide rod, and the sealing case that the guide rod the other end passes the sealing drum lower end links to each other with oil pump plunger piston.
Have boss to fix to make things convenient for sealing drum in the conduit, boss is provided with uniform oil guiding hole.
Cylinder inner wall studs with the winding as electric motor primary, and the cylindrical body outer surface studs with the permanent magnet as motor secondary.Be connected to control system described on elementary.
Cylinder inner wall also can be inlayed permanent magnet as motor secondary, and its corresponding cylindrical body outer surface edge winding is as electric motor primary.Be connected to control system described on elementary.
Cylinder is the cylinder of hollow, and the cylindrical body corresponding with it, sealing drum three adapt.
Cylinder also can be the polygonal body of hollow, and the cylindrical body corresponding with it, sealing drum three adapt.
Adopt the technical solution of the utility model, overcome the deficiency of prior art, transmission system is simple, safety, reliable, saved the energy consumption that overcomes rod weight, thereby more energy-conservation, and can change the linear electric motor running parameter by control system, directly carry out step-less adjustment stroke, jig frequency and other pumping running parameters, and operations such as inspection pump are convenient, are applicable to the oil recovery well of different well ' s conditions.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model.Each numbering is depicted as respectively among the figure: 1-well head, 2-oil pipe, 3-conduit, 4-sleeve pipe, the 5-sealing drum, 6-cylinder, 7-winding, 8-permanent magnet, the 9-cylindrical body, the 10-sealing case, 11-sets upright anchor, the 12-guide rod, the 13-plunger, 14-traveling valve, 15-working barrel, the 16-standing valve, 17-boss, 18-oil guiding hole, the 19-seal, 20-conduit box cupling, 21-control system.
Five, embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, the utility model mainly by conduit 3, place linear electric motor, guide rod 12, control system 21 and plunger oil-well pumps etc. in the conduit 3 to form.Conduit 3 places in the sleeve pipe 4, and its upper end joins by conduit box cupling 20 and oil pipe 2, and the working barrel 15 of lower end and plunger oil-well pump joins.Between conduit 3 and sleeve pipe 4, be provided with and set upright anchor 11, in order to A/C 3.
Place in the conduit 3 linear electric motor mainly by the upper end by seal 19, lower end by the sealing drum 5 of sealing case 10, place the cylinder 6 in the sealing drum 5, the cylindrical body 9 in the cylinder 6 etc. to form, sealing drum 5 internal diameters and cylinder 6 external diameter sizes adapt, to form drive fit, do not produce motion each other.Cylinder 6 internal diameters and cylindrical body 9 external diameter sizes adapt, and cylindrical body 9 can axial displacement in cylinder 6.
Sealing drum 5 upper ends rely on seal 19 sealings.
Boss 17 is arranged to make things convenient for sealing drum 5 fixing in the conduit 3, boss 17 is provided with uniform oil guiding hole 18.
Cylinder 6 inwalls stud with winding 7 as electric motor primary, and cylindrical body 9 outer surfaces stud with permanent magnet 8 as motor secondary.Be connected to control system 21 described on elementary.
Cylinder 6 inwalls also can be inlayed permanent magnet 8 as motor secondary, and its corresponding cylindrical body 9 outer surfaces edge winding 7 is as electric motor primary.Be connected to control system 21 described on elementary.
Cylinder 6 is the cylinder of hollow, and the cylindrical body 9 corresponding with it, sealing drum 5 threes adapt.
Cylinder 6 also can be the polygonal body of hollow, and the cylindrical body 9 corresponding with it, sealing drum 5 threes adapt.
Working principle of the present utility model:
When the elementary winding 7 that is cylinder 6 internal surfaces are inlayed of linear electric motor is switched on, winding 7 produces axial force with the secondary magnetic field that is the permanent magnet 8 on the cylindrical body 9 forms of linear electric motor to cylindrical body 9, and make its up (or descending), thereby finish upstroke (or down stroke) by guide rod 12 drive plunger 13; When cylindrical body 9 up (or descending) arrives cylinder 6 upper ends (or lower end), this moment, control system 21 provided the signal of electric current commutation, produce the opposing magnetic field between then elementary and secondary, at this moment the suffered power of cylindrical body 9 is opposite with the former, cylindrical body 9 descending (or up), and finish down stroke (or down stroke) by guide rod 12 drive plunger 13.In like manner, when cylindrical body 9 runs to cylinder 6 lower ends (or upper end), just commutate by control system 21.Pump thereby drive plunger 13, realize the oil pumping operation as the secondary cylindrical body 9 of linear electric motor.The fluid that comes out from oil well pump enters oil pipe 2 and well head 1 arrival surface pipeline network through annular space between sealing drum 5 and the conduit 3 and the oil guiding hole 18 on the boss 17.
Claims (3)
1, a kind of plunger oil-well pump of linear motor driving, mainly by conduit (3), place linear electric motor, guide rod (12), control system (21) and plunger oil-well pump etc. in the conduit (3) to form, conduit (3) places in the sleeve pipe (4), its upper end joins by conduit box cupling (20) and oil pipe (2), the working barrel of lower end and plunger oil-well pump (15) joins, and it is characterized in that:
Place sealing drum (5) that the linear electric motor in the conduit (3) mainly have seal (19), lower end to have to have sealing case (10) by the upper end, place the interior cylindrical body (9) of cylinder (6) in the sealing drum (5) and cylinder (6) etc. to form, sealing drum (5) internal diameter and cylinder (6) external diameter size adapt, and cylinder (6) internal diameter and cylindrical body (9) external diameter size adapt;
Cylindrical body (9) lower end links to each other with guide rod (12), and the sealing case (10) that guide rod (12) the other end passes sealing drum (5) lower end links to each other with oil pump plunger piston (13):
Boss (17) is arranged to make things convenient for sealing drum (5) fixing in the conduit (3), boss (17) is provided with uniform oil guiding hole (18);
Cylinder (6) is the cylinder of hollow, and its inwall studs with the winding (7) as electric motor primary, and cylindrical body (9) outer surface studs with the permanent magnet (8) as motor secondary, is connected to control system (21) described on elementary.
2, the plunger oil-well pump of a kind of linear motor driving according to claim 1, it is characterized in that: described cylinder (6) inwall studs with the permanent magnet (8) as motor secondary, its corresponding cylindrical body (9) outer surface studs with the winding (7) as electric motor primary, is connected to control system (21) described on elementary.
3, the plunger oil-well pump of a kind of linear motor driving according to claim 1 and 2 is characterized in that: described cylinder (6) is the polygonal body of hollow, and the cylindrical body corresponding with it (9), sealing drum (5) three adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092485 CN2740810Y (en) | 2004-09-20 | 2004-09-20 | Plunger type oil well pump driven by linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092485 CN2740810Y (en) | 2004-09-20 | 2004-09-20 | Plunger type oil well pump driven by linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740810Y true CN2740810Y (en) | 2005-11-16 |
Family
ID=35351100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092485 Expired - Fee Related CN2740810Y (en) | 2004-09-20 | 2004-09-20 | Plunger type oil well pump driven by linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740810Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062023A (en) * | 2013-01-30 | 2013-04-24 | 秦皇岛国能石油装备有限公司 | Intelligent linear-motor oil production system |
-
2004
- 2004-09-20 CN CN 200420092485 patent/CN2740810Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062023A (en) * | 2013-01-30 | 2013-04-24 | 秦皇岛国能石油装备有限公司 | Intelligent linear-motor oil production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HENAN NANYANG CITY OIL FIELD MACHINERY MANUFACTURI Free format text: FORMER NAME: SINOPEC GROUP HENAN PATROLEUM PETROLEUM EXPLORATION BUREAU MACHINERY FACTORY |
|
| CP03 | Change of name, title or address |
Address after: Eastern District, Daqing Road, Nanyang, Henan Province, China: 473132 Patentee after: Henan Nanyang Oilfield Machine Manufacture Co., Ltd. Address before: Nanyang City, Henan Province, postcode: 473132 Patentee before: Machinery Manufacturing Factoryk, Henan Petroleum Exploration Bureau, China Pet |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20091020 |