CN201221461Y - Double-plunger self-rotating oil well pump - Google Patents
Double-plunger self-rotating oil well pump Download PDFInfo
- Publication number
- CN201221461Y CN201221461Y CNU2008201087197U CN200820108719U CN201221461Y CN 201221461 Y CN201221461 Y CN 201221461Y CN U2008201087197 U CNU2008201087197 U CN U2008201087197U CN 200820108719 U CN200820108719 U CN 200820108719U CN 201221461 Y CN201221461 Y CN 201221461Y
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- plunger
- thruster
- pump
- pump barrel
- pump cylinder
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Abstract
The utility model discloses a double-plunger self-rotary defueling pump, comprising a plunger and a pump cylinder. The plunger consists of at least two segments, and each two segments are connected by plunger joints, and a thruster and a centering mechanism are successively connected with the upper end and the lower end of the overall plunger respectively; a main pump cylinder is coated outside the plunger, both ends of the main pump cylinder are provided with a joint and a centering mechanism respectively, the upper end of the main pump cylinder covers the whole plunger and the thruster and the centering mechanism thereof, and connected with the pump cylinder thruster above, the pump cylinder thruster is connected with the pumping rod through a rotation axis, and the delivery valve matching parts of the pump cylinder are arranged inside the pump cylinder thruster; an outer pump cylinder is coated on the main pump cylinder, respectively connected with the ports of the main cylinder pump by bell socket, the outer pump cylinder covers the whole pump cylinder and the thruster arranged at the upper part, etc.; an upper joint of the outer pump cylinder is coated on the head end of the pump cylinder; the lower end of the plunger is connected with the thruster and then connected with a standing valve component; the lower end of the outer pump cylinder is connected with the outer tube of the lower thruster of the plunger; at the lowest end, the standing valve component and the outer tube of the lower thruster are locked by the tail pipe standing-valve joint; and a plunger centering mechanism is arranged between each two plunger segments respectively.
Description
Technical field
The utility model relates to a kind of double-plunger self-rotating oil well pump.
Background technique
The international at present and domestic pump that is used for the sucker rod pumping well all is American plunger pump, be characterized in pumping unit pulling sucker rod, pump in pump barrel by sucker rod pulling plunger again, stoste in the well is drawn up, the pump of this kind structure all dominates international and domestic at present, yet all must come pumping with pump after our times various countries and even each oil field blowing of China.
The present ubiquitous problem of pumping well:
From current grand celebration, the situations that each elephant came out such as triumph, the Liaohe River: the problem that American oil well pump cann't be solved be sand card, rod sag cause to the oil pipe eccentric wear, make workover eration frequent, increased the cost for oil production in oil field, at this ubiquitous situation, the oil recovery research institute of each elephant, the technical study of each oil recovery factory the relevant personnel all address this problem trying every possible means of doing one's utmost, but all fail to work out more satisfactory product of dealing with problems.
Summary of the invention
The purpose of this utility model provides a kind of pump efficiency height and the effective double-plunger self-rotating oil well pump of sand control card.
For achieving the above object, the utility model is taked following design proposal:
A kind of double-plunger self-rotating oil well pump, include the pump barrel of plunger and overcoat, described plunger is at least more than two joints, be threaded mutually by plunger connector between each joint, the upper end of plunger has outlet valve, be associated with thruster respectively at the outer head end of plunger outlet valve and the following head end of plunger, there is centering machine in the outside of plunger upper and lower end thruster;
Described pump barrel is two-layer: the main pump jacket casing of internal layer is in the plunger outside, two ends have upper and lower joint of pump barrel and main pump tube centering machine, main pump tube upper end contains thruster and the centering machine that has covered full plunger and plunger, and continue upwards to connect a pump barrel thruster by the pump barrel upper connection, this pump barrel thruster is connected with the rod connector of external sucker rod through rotating shaft member, at the built-in pump barrel delivery valve matching parts of pump barrel thruster; Outer field outer pump barrel is placed in the main pump tube outside, connects with the upper/lower terminal muzzle of the main pump tube of internal layer respectively by upper and lower pump barrel joint, and outer pump barrel cover has contained pump barrel thruster, rotating shaft member and the rod connector of full main pump tube and main pump tube upper end; The outer pump barrel of one main pump tube upper connection cover envelope.
Described plunger lower end connects thruster, and following thruster lower end is connected to fixed valve assembly; The lower end of outer pump barrel is connected with the following thruster outer tube of plunger through outer pump barrel lower contact; By tail pipe standing valve joint fixed valve assembly is reached thruster outer tube locking down bottom;
Be arranged with worry beads between described each segmented column plug, the set position of worry beads can be set up plunger and be made and have only worry beads external diameter point to contact with main pump tube chamber internal diameter point in pump chamber.
The utility model double-plunger self-rotating oil well pump is mainly used in the oil district that oil is thick, sand heavy, sucker rod is easily curved, can improve the oil well pump efficiency, the protection oil well.
The utility model has the advantages that:
1, the rotating operation of pump barrel and plunger makes the stoste in pump chamber, the plunger cavity oil pipe be the eddy flow shape, the probability that sand scale all reduces accumulation, condenses, can effectively prevent sand card, dirt card, prolong the working life of pump, reduce the upkeep operation number of times, reduce cost for oil production, for the oil field increases benefit.
2, the pump barrel rotating operation is dissolved the descending and up resistance of stoste, reduces the load of pumping unit, reaches purpose of energy saving, reduces cost for oil production to the oil field equally, is the oil field create beneficial result.
3, pump efficiency height can improve more than 8% than American pump; Long service life, a pump can be equivalent to the life-span of the American pump of 2-3 platform;
4, protect oil well, can eliminate the disadvantage of sucker rod partial wear, reduce a large amount of operating costs.
5, the protection environment reduces pollution, and whether few or not of operation also useful to environmental protection.
Description of drawings
Fig. 1 is the utility model structural representation (a is the epimere part, and b is the hypomere part)
Fig. 2 is the utility model plunger body structural representation
Fig. 3 is the utility model plunger connector structural representation
Fig. 4 is plunger body centering machine structural representation (a is a plan view, and b is a side view)
Fig. 5 a is a upper plug thruster structural representation
Fig. 5 b is an A-A sectional drawing among Fig. 5 a
Fig. 6 a is a lower plunger thruster structural representation
Fig. 6 b is an A-A sectional drawing among Fig. 6 a
Fig. 7 is centering machine structural representation (a is a plan view, and b is a sectional view) under the plunger
Embodiment
As shown in Figure 1, the utility model double-plunger self-rotating oil well pump is made of the plunger (13,18) of central core and the two-layer pump barrel (outer pump barrel 16 and main pump tube 19) of overcoat, and the main pump tube is equivalent to the plunger in the outer pump barrel, so the utility model is referred to as double-plunger.
Described plunger is at least more than two joints, be spirally connected mutually by plunger connector between each joint, as shown in FIG., plunger shown in the present embodiment is to be made of 4 joint (being 2 groups) splits, the structure of plunger body 13 is referring to Fig. 2, plunger connector 18 is referring to Fig. 3, the plunger body two-port has internal thread, the plunger connector two-port has outside thread, and the two-port section of the intermediate section of plunger connector and interior receipts forms stage, the caliber of intermediate section is identical with the caliber of plunger body, according to a plunger body, a plunger connector again the order of a plunger body, a plunger connector connect successively.In the butt joint, make the nose end of plunger body and the stage of plunger connector leave spacing, be equipped with plunger body centering machine 17 in the spacing section.
Described plunger body centering machine can be referring to shown in Figure 4, centering machine support 171 and one group of worry beads 172 by annular constitute, have the ball hole of one group of corresponding worry beads number on the centering machine support, worry beads then is placed in wherein, both grind in reply, guarantee certain degree of finish, it is smooth and easy that worry beads is rotated; General one group of worry beads selects 3 ~ 10, evenly is distributed as good with 6.Integral installation timing, the set position of worry beads can be set up plunger body and be made and have only worry beads external diameter point to contact with main pump tube chamber internal diameter point in pump chamber.
The upper end of described whole plunger and lower end are associated with the upper and lower thruster 20,10 of plunger respectively.The structure of last thruster 20 constitutes can be referring to Fig. 5 a, Fig. 5 b, wherein the lower end is to be used for realizing the adaptor tube 201 be connected with plunger, the central shaft 203 of upper end is used to realize and being connected of upper part running shaft, function of tonic chord parts 202 are the propeller cavitations with revolving vane, adopt dextrorotation in the present embodiment, 30 ° of dextrorotation lift angles.The structure of following thruster 10 constitutes can be referring to Fig. 6 a, Fig. 6 b, principle of compositionality and last thruster roughly the same, function of tonic chord parts 102 also are the propeller cavitations with revolving vane, adopt dextrorotation in the present embodiment, 30 ° of dextrorotation lift angles.
As shown in fig. 1, in the upper end of plunger and adaptor tube inner chamber that last thruster 20 is realized being connected, be equipped with outlet valve 21.In the outside of upper and lower plunger thruster 20,10 plunger upper and lower end centering machine 11 is arranged respectively, plunger upper and lower end centering machine 11 can adopt identical mechanism, referring to Fig. 7, centering machine support 111 and one group of worry beads 112 by annular constitute, have the ball hole of one group of corresponding worry beads number on the centering machine support, can offer slotted eye 113 between each ball hole, worry beads then is placed in wherein, both grind in reply, and one group is 3 and gets final product.Upside at centering machine is stamped plunger centering machine pressure cap.The lower end of thruster is connected to fixed valve assembly 5 under plunger, and through one group of bearing unit transmission, this bearing unit comprises therebetween: a needle bearing 7, a thrust bearing 8 and a position-limited shaft 9.
Described internal layer main pump tube 19 is placed in the plunger outside, and two ends have upper and lower joint of pump barrel and centering machine 25, are stamped pressure cap 24 in the upper end of centering machine; Main pump tube centering machine 25 is analogous to the plunger body centering machine.
The upper end of main pump tube contains thruster and the centering machine that has covered full plunger and plunger, and continue upwards to connect a pump barrel thruster 26 by the pump barrel upper connection, this pump barrel thruster 26 is connected with the rod connector 31 of external sucker rod through running shaft 28 parts such as grade (making up needle bearing 29 and bearing housing 30 in addition), at pump barrel thruster 26 built-in pump barrel delivery valve matching partses 27.
Outer field outer pump barrel 16 is placed in the main pump tube outside, connect with the upper/lower terminal muzzle of the main pump tube of internal layer respectively by the upper and lower joint of pump barrel, outer pump barrel 16 covers have contained pump barrel thruster 26, rotating shaft member and the rod connector 31 of full main pump tube 19 and main pump tube upper end; The outer pump barrel of one outer pump barrel upper connection 32 cover envelopes; The lower end of outer pump barrel is connected with the following thruster outer tube of plunger through outer pump barrel lower contact; By tail pipe standing valve joint 1 fixed valve assembly is reached thruster outer tube 6 lockings down bottom, the structural type of standing valve can be same as the standing valve of American pump, adopts whole ball formula free fall.
The various embodiments described above can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit claim of the present utility model.
The working principle of the utility model double-plunger self-rotating oil well pump:
(why plunger can rotate the anticlockwise of plunger original place, be because of the worry beads of similar bearing is arranged at each joint of plunger and internode, the effect of worry beads is that plunger is set up, make plunger in pump chamber, have only the external diameter point of worry beads to contact with main pump tube internal diameter point, make main pump tube chamber and plunger outer diameter zerofriction force, have only liquid stream and plunger that frictional force is arranged.Minimum in the pump chamber like this with the frictional force of plunger, plunger can be rotated smoothly).
The plunger upper and lower end all has the dextrorotation thruster, and to anticlockwise, the plunger lowermost end has standing valve fixing with two handtailor bearings (needle bearing 7, thrust bearing 8) under the impact of liquid stream, so can freely rotate under the impact of liquid stream.
The main pump tube is under the affecting of sucker rod, drive to rotate up and down by the pump barrel thruster and move, the upper and lower end of main pump tube all has the pump barrel thruster, under the impact of liquid stream to right rotation, the worry beads external diameter that the upper and lower end of main pump tube has contacts with outer pump barrel point, and internal diameter contacts with main pump tube centered positions point.Rotating operation smoothly under the impact of liquid stream like this, upper and lower operation all screws the direction operation by screw thread.
The utility model is actual to be exactly a double-plunger self-rotating oil well pump.Plunger and a plunger (referring to the main pump tube) of going up rotating operation that an original place rotation is arranged.The utility model has changed present American oil pumping pump structure and the method for operation and operation characteristic, at first American oil well pump is plunger fluid of linear movement pumping up and down reciprocatingly in pump barrel, empty valve is contained on the pump barrel, and the plunger of the utility model double-plunger self-rotating oil well pump only rotates in the original place, pump barrel is rotating operation up and down, pumping stoste, standing valve are contained in the lower end of the following thruster of plunger.
American oil well pump is by sucker rod pulling plunger, and the utility model double-plunger self-rotating oil well pump is a sucker rod pulling pump barrel.
The working procedure of the utility model double-plunger self-rotating oil well pump: when pumping unit starts, sucker rod pulling main pump tube 19 is up, fixedly valve coupling 5 is opened the thruster 10 of through post plug lower end, the promotion plunger rotates, sense of rotation is left-handed, the left-handed fuel-displaced valve ball of pushing delivery valve matching parts 27 open until oil outlet in plunger original place enters pump chamber, plunger rotation this moment drives the worry beads of plunger outer diameter, worry beads power be transmitted to the pump barrel internal diameter because the conduction of power, pump barrel begins rotation, the sense of rotation plunger is left-handed, and worry beads dextrorotation is because worry beads is to rotate in pump barrel, so pump barrel is dextrorotation also, make screw thread screw direction; Two kinds of situations are arranged when stoste enters pump barrel by the outlet valve end, and when pump barrel was up, the standing valve of plunger lower end was opened, and stoste enters the thruster that plunger cavity promotes the plunger lower end, promoted the plunger rotation then, and stoste is constantly up, pushes outlet valve open and enters pump chamber.This moment, the thruster of plunger upper end carried out the rotation of relay-type drive plunger under the stoste that enters pump chamber promotes, the worry beads that the plunger rotation drives the plunger two ends rotates, sense of rotation: plunger original place anticlockwise, worry beads is turned right, the conduction of power is turned right pump barrel, pump barrel is rotating up (at the uniform velocity) like this, pump barrel runs to upper dead center and begins descending, this moment, standing valve cut out, the last outlet valve of plunger cuts out, stoste in oil inlet pipe and the pump chamber has only the outlet valve that promotes on the pump barrel from the oil outlet of pump barrel to enter oil pipe, when this moment the pump barrel upper end pump barrel thruster 26 under the impact of liquid stream, rotatablely moving drives the pump barrel rotation, the rotation of pump barrel drives the worry beads that the plunger two ends contact with the pump barrel inwall, because the conduction of power also begins to rotate, drive plunger again and rotate, rotate continuously by original left hand direction, when running to lower dead centre, pump barrel transfers when up, this moment, standing valve was opened, and began to repeat an action again, so this double-plunger self-rotating oil well pump can rotate in the crude oil pumping.
Claims (6)
1, a kind of double-plunger self-rotating oil well pump includes the pump barrel of plunger and overcoat, it is characterized in that:
Described plunger is at least more than two joints, is spirally connected mutually by plunger connector between each joint, is associated with the upper and lower thruster of plunger respectively in the upper end and the lower end of whole plunger; In the upper end of plunger and last thruster adaptor tube inner chamber, be equipped with outlet valve, centering machine arranged in the outside of upper and lower plunger thruster;
Described pump barrel is two-layer:
The main pump jacket casing of internal layer is in the plunger outside, two ends have upper and lower joint of pump barrel and main pump tube centering machine, main pump tube upper end contains thruster and the centering machine that has covered full plunger and plunger, and continue upwards to connect a pump barrel thruster by the pump barrel upper connection, this pump barrel thruster is connected with the rod connector of external sucker rod through rotating shaft member, at the built-in pump barrel delivery valve matching parts of pump barrel thruster;
Outer field outer pump barrel is placed in the main pump tube outside, connects with the upper/lower terminal muzzle of the main pump tube of internal layer respectively by upper and lower pump barrel joint, and outer pump barrel cover has contained pump barrel thruster, rotating shaft member and the rod connector of full main pump tube and main pump tube upper end; The outer pump barrel of one outer pump barrel upper connection cover envelope;
Described plunger lower end connects thruster, and following thruster lower end is connected to fixed valve assembly; The lower end of outer pump barrel is connected with the following thruster outer tube of plunger through outer pump barrel lower contact; By tail pipe standing valve joint fixed valve assembly is reached thruster outer tube locking down bottom;
Be arranged with the plunger body centering machine between described each segmented column plug.
2, double-plunger self-rotating oil well pump according to claim 1, it is characterized in that: described plunger body two-port has internal thread, the plunger connector two-port has outside thread, and the two-port section of the intermediate section of plunger body and interior receipts forms stage, and the caliber of plunger connector intermediate section is identical with the caliber of plunger body.
3, double-plunger self-rotating oil well pump according to claim 1 is characterized in that: described plunger body centering machine is constituted by the centering machine support of annular and one group of built-in ball.
4, double-plunger self-rotating oil well pump according to claim 3 is characterized in that: the worry beads of described centering machine the size and set position makes it can set up plunger body and have only worry beads external diameter point to contact with main pump tube chamber internal diameter point in pump chamber.
5, double-plunger self-rotating oil well pump according to claim 3 is characterized in that: described one group of worry beads is 3 ~ 10.
6, double-plunger self-rotating oil well pump according to claim 5 is characterized in that: described one group of worry beads is 6, evenly distributes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201087197U CN201221461Y (en) | 2008-06-18 | 2008-06-18 | Double-plunger self-rotating oil well pump |
| PCT/CN2008/001667 WO2009152652A1 (en) | 2008-06-18 | 2008-09-27 | A dual-plunger self-rotatable oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201087197U CN201221461Y (en) | 2008-06-18 | 2008-06-18 | Double-plunger self-rotating oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221461Y true CN201221461Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201087197U Expired - Fee Related CN201221461Y (en) | 2008-06-18 | 2008-06-18 | Double-plunger self-rotating oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221461Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608612A (en) * | 2008-06-18 | 2009-12-23 | 焦在魁 | A kind of double-plunger rotary oil well pump |
| CN108086956A (en) * | 2017-12-13 | 2018-05-29 | 沈阳新城石油机械制造有限公司 | A kind of novel submersible electrical plunger pump |
| CN108916010A (en) * | 2018-07-13 | 2018-11-30 | 西安石油大学 | A kind of rotation vortex oil-well pump |
-
2008
- 2008-06-18 CN CNU2008201087197U patent/CN201221461Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608612A (en) * | 2008-06-18 | 2009-12-23 | 焦在魁 | A kind of double-plunger rotary oil well pump |
| CN101608612B (en) * | 2008-06-18 | 2013-09-04 | 焦在魁 | Double-plunger rotary oil well pump |
| CN108086956A (en) * | 2017-12-13 | 2018-05-29 | 沈阳新城石油机械制造有限公司 | A kind of novel submersible electrical plunger pump |
| CN108086956B (en) * | 2017-12-13 | 2020-03-27 | 沈阳新城石油机械制造有限公司 | Novel submersible electric plunger pump |
| CN108916010A (en) * | 2018-07-13 | 2018-11-30 | 西安石油大学 | A kind of rotation vortex oil-well pump |
| CN108916010B (en) * | 2018-07-13 | 2019-11-05 | 西安石油大学 | A kind of rotation vortex oil-well pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090415 Termination date: 20120618 |