CN106468257A - A kind of Novel oil well pump - Google Patents
A kind of Novel oil well pump Download PDFInfo
- Publication number
- CN106468257A CN106468257A CN201510516616.9A CN201510516616A CN106468257A CN 106468257 A CN106468257 A CN 106468257A CN 201510516616 A CN201510516616 A CN 201510516616A CN 106468257 A CN106468257 A CN 106468257A
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- well
- oil
- pump
- check valve
- pump chamber
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Abstract
The present invention relates to a kind of Novel oil well pump, the varistructure of oil well pump axial direction pump chamber in oil rig in more particularly, to a kind of well, be particularly well-suited to wellhead ground locus compared with the inclined shaft under subenvironment, horizontal well, " S " well extracting device of oil, belong to oil recovery technique field.It by pump barrel, connecting tube of surging, upper check valve, transfiguration piston, lower check valve, pump chamber form.It is the method changing transfiguration piston volume using high frequency, and the high frequency to realize pump chamber internal volume changes, thus changing the pressure in pump chamber, reaches the purpose that downhole crude is extracted out well head.It is little that the present invention has a floor space, and oil pumping mode is unique, the advantages of applicable well shape is wide.
Description
Technical field
The present invention relates to a kind of Novel oil well pump, the varistructure of oil well pump axial direction pump chamber in oil rig in more particularly, to a kind of well, be particularly well-suited to wellhead ground locus compared with the inclined shaft under subenvironment, horizontal well, " S " well extracting device of oil, belong to oil recovery technique field.
Figure viewed from behind technology
Known oil pumping mode typically adopts sucker rod to drive oil well pump oil pumping, not only need substantial amounts of wellhead installation, and the reciprocating motion of sucker rod, on the one hand make the part being in contact with it produce larger abrasion because of friction, on the other hand even more cannot be suitable under inclined shaft, horizontal well, the less environment of " S " well and wellhead ground locus.Simultaneously because down-hole adverse circumstances lead to the oil well pump life-span extremely short.Thus design a kind of product moment formula oil well pump being adapted to no sucker rod and down-hole adverse circumstances, it is the key solving the above problems.It had both extended oil well pump service life, solved that adjacent well head space is little, neritic area is filled out sea and concentrated the unconformable problem using sucker rod oil pumping under the occasions such as drilling because inclined shaft, horizontal well, " S " well and land are concentrated during well spacing again.
Content of the invention
It is an object of the invention to provide a kind of Novel oil well pump, by changing pump chamber axial volume, thus realizing changing the downhole pumping installation of intracavity oil pressure, it achieves no bar oil pumping, and greatly extends the service life of oil well pump.
To achieve these goals, the technical scheme is that：It by pump barrel, connecting tube of surging, upper check valve, transfiguration piston, lower check valve, pump chamber constitute.It is characterized in that inner chamber one end of transfiguration piston is provided with connecting tube of surging；The shell body of described transfiguration piston is telescopic material；Described transfiguration piston volume is variable.On described pump chamber, lower bottom part is respectively equipped with check valve, lower check valve.
It is little that the present invention has a floor space, and oil pumping mode is unique, the advantages of applicable well shape is wide.
Brief description
Accompanying drawing is cross section structure diagram of the present invention
In accompanying drawing, connecting tube of 1. surging, 2. the upper screw thread of pump housing connection, 3. goes up check valve, 4. pump chamber, 5. transfiguration piston, 6. spring, 7. pump barrel, 8. plays check valve, and 9. the pump housing connects lower screw thread.
Specific embodiment
In the present invention, connecting tube of surging 1 is connected with transfiguration piston 5 inner chamber, under ground hydraulic systemic effect, 1 power liquid of connecting tube of surging（As hydraulic oil）Under be pressed in transfiguration piston 5, so that hydraulic pressure is increased（The spring being simultaneously internally provided with is stretched）, because transfiguration piston 5 is that telescopic material is made, transfiguration piston 5 extends and volume becomes big, the space of the pump chamber 4 of compression pump barrel 1, pressure in pump chamber 4 increases volume and diminishes, and lower check valve 8 is closed, and the crude oil in pump chamber 4 is discharged by upper check valve 3 and is admitted to oil pipe.When surging connecting tube 1 under ground hydraulic systemic effect, when power liquid is suctioned out transfiguration piston 5, transfiguration piston 5 shrinks in the presence of inner chamber negative pressure and contained spring 6 contraction elasticity, volume diminishes, in pump chamber 4, space becomes big and forms moment negative pressure, upper check valve 3 is closed, lower check valve 8 is opened, and downhole crude is drawn in pump chamber 4 from lower check valve 8.So pass through the effect of ground hydraulic-control system, realize high-frequency expansion and the contraction of transfiguration piston 5, thus continuously crude oil is discharged ground from down-hole through oil pipe.Pump barrel 1 connects upper screw thread 2 by the pump housing and the pump housing is connected lower screw thread 9 and is connected with box cupling.
Claims (3)
1. a kind of Novel oil well pump, it by pump barrel, connecting tube of surging, upper check valve, transfiguration piston, lower check valve, pump chamber constitute.
2. it is characterized in that inner chamber one end of variable displacement piston type is provided with connecting tube of surging；The shell body of described transfiguration piston is telescopic material, and described transfiguration piston volume is variable.
3. a kind of Novel oil well pump according to claim 1 it is characterised in that on described pump chamber lower bottom part be respectively equipped with check valve, lower check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516616.9A CN106468257A (en) | 2015-08-21 | 2015-08-21 | A kind of Novel oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516616.9A CN106468257A (en) | 2015-08-21 | 2015-08-21 | A kind of Novel oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106468257A true CN106468257A (en) | 2017-03-01 |
Family
ID=58229761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510516616.9A Pending CN106468257A (en) | 2015-08-21 | 2015-08-21 | A kind of Novel oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106468257A (en) |
-
2015
- 2015-08-21 CN CN201510516616.9A patent/CN106468257A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170301 |