CN201241671Y - High-efficiency liquid lifting device - Google Patents
High-efficiency liquid lifting device Download PDFInfo
- Publication number
- CN201241671Y CN201241671Y CNU2008203018774U CN200820301877U CN201241671Y CN 201241671 Y CN201241671 Y CN 201241671Y CN U2008203018774 U CNU2008203018774 U CN U2008203018774U CN 200820301877 U CN200820301877 U CN 200820301877U CN 201241671 Y CN201241671 Y CN 201241671Y
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- Prior art keywords
- piston
- liquid
- lifting
- centerbody
- liquid piston
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 125
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 18
- 238000000605 extraction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a device for lifting liquid in the well during oil extraction production, which is a high-efficiency liquid lifting device and comprises a liquid lifting cylinder, a liquid lifting piston central body and a liquid lifting piston cylindrical body; the liquid lifting cylinder is internally provided with a liquid lifting piston central body and a liquid lifting piston cylindrical body, the liquid lifting piston central body can move up and down in the liquid lifting cylinder along with the sucker rod, the liquid lifting piston central body comprises a piston rod body and a piston head, the diameter of the piston head is larger than that of the piston rod body, the lower end of the piston rod body is connected with the upper end of the piston head, the upper end surface of the piston head is inclined and forms a lower sealing surface, and the piston rod body is provided with an upper centralizer. The utility model has reasonable and compact structure and convenient use, and can be lowered to any depth, thereby greatly improving the lower working efficiency of the liquid lifter; because can lift liquid through reciprocating sealed and opening between upper seal face and the lower seal face, consequently also very big improvement lift the work efficiency of liquid.
Description
One, technical field
The utility model relates to recovering the oil produces the device of liquid under the gug of passing the imperial examinations at the provincial level, and is a kind of efficient act liquid device.
Two, background technology
At present, there is following problem in common act liquid device: the first, common act liquid device when lifting fluid cylinder, is lifted oil pipe the external diameter of liquid piston and the internal diameter of oil pipe and is more or less the same, if wax or other impurity are arranged in the oil pipe, just be difficult to lift under the liquid device put in place, if just full well oil pipe need be changed down.The second, to lift liquid efficient low, bad easily for common act liquid piston; Very easily badly cause the inspection pump because lift the liquid device, so the use cost height; If having wax to lift the liquid device, the 3rd oil pipe just is stuck bad putting forward easily; If four, the act liquid piston liquid outlet channel of common act liquid device will reduce the intensity of piston too greatly; If the act liquid piston liquid outlet channel of common act liquid device is too little will to be caused oil pumper the upstroke load is excessive at work, the down stroke load is too small.
Three, summary of the invention
The utility model provides a kind of efficient act liquid device, has overcome the deficiency of above-mentioned prior art, and it can effectively solve lifts that the liquid piston is difficult to put in place down and the inefficient problem of common act liquid piston act liquid.
The technical solution of the utility model realizes by following measure: a kind of efficient act liquid device comprises and lifts fluid cylinder, lifts liquid piston centerbody and lift liquid piston cylindrical body; The liquid of act piston centerbody is arranged in lifting fluid cylinder and lift liquid piston cylindrical body, lifting liquid piston center physical efficiency moves up and down in lifting fluid cylinder with sucker rod, lift liquid piston centerbody and comprise the piston body of rod and piston head, the diameter of piston head is greater than the diameter of the piston body of rod, the lower end of the piston body of rod and the upper end of piston head link together, the upper surface of piston head is skewed and forms lower sealing surface, centralizer on having on the piston body of rod, the outside of the piston body of rod below last centralizer is set with lifts liquid piston cylindrical body, lift liquid piston tubular physical efficiency and move up and down in lifting fluid cylinder, the bottom energy seat of lifting liquid piston cylindrical body is on lower sealing surface.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
On the above-mentioned piston head following centralizer can be arranged.
It is conical that above-mentioned lower sealing surface can be from bottom to top.
The absolute altitude of the external wall of above-mentioned act liquid piston tubular bottom can be lower than the absolute altitude of lifting liquid piston cylindrical body inwall bottom, lifts liquid piston tubular external wall bottom and lift the last sealing surface that forms between the liquid piston cylindrical body inwall bottom to be conical from bottom to top.
Can there be external screw thread the upper end of above-mentioned act liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread is arranged.
The outside, lower end of the above-mentioned piston body of rod can link together by the inboard, upper end of screw thread and piston head.
The utility model reasonable and compact in structure, easy to use, owing to can descend any degree of depth, therefore improved greatly and lifted the next operating efficiency of liquid device; Owing to can lift liquid by reciprocal sealing and unlatching between last sealing surface and the lower sealing surface, therefore also improve the operating efficiency of lifting liquid greatly.
Four, description of drawings
Accompanying drawing 2 is looked broken section structure for amplifying schematic diagram for the pass the imperial examinations at the provincial level master of liquid piston centerbody of the utility model most preferred embodiment.
Accompanying drawing 3 is that the A-A of accompanying drawing 2 is to the sectional structure schematic diagram.
Accompanying drawing 4 is that the B-B of accompanying drawing 2 is to the sectional structure schematic diagram.
Coding in the accompanying drawing is respectively: 1 for lifting fluid cylinder, and 2 for lifting liquid piston cylindrical body, and 3 be the piston body of rod, and 4 be piston head, and 5 is lower sealing surface, and 6 is last centralizer, 7 be under centralizer, 8 is last sealing surface.
Five, the specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2,3,4, this is efficiently lifted the liquid device and comprises act fluid cylinder 1, lifts liquid piston centerbody and lift liquid piston cylindrical body 2; The liquid of act piston centerbody is arranged in lifting fluid cylinder 1 and lift liquid piston cylindrical body 2, lifting liquid piston center physical efficiency moves up and down in lifting fluid cylinder 1 with sucker rod, lift liquid piston centerbody and comprise the piston body of rod 3 and piston head 4, the diameter of piston head 4 is greater than the diameter of the piston body of rod 3, the upper end of the lower end of the piston body of rod 3 and piston head 4 links together, the upper surface of piston head 4 is skewed and forms lower sealing surface 5, centralizer 6 on having on the piston body of rod 3, the outside of the piston body of rod 3 below last centralizer 6 is set with lifts liquid piston cylindrical body 2, lifting liquid piston cylindrical body 2 can move up and down in lifting fluid cylinder 1, the bottom energy seat of lifting liquid piston cylindrical body 2 is on lower sealing surface 5, like this, when act liquid piston centerbody moved upward, the base part seat of lifting liquid piston cylindrical body 2 was on lower sealing surface 5; When act liquid piston centerbody down moved, last centralizer 6 can press act liquid piston cylindrical body 2 to move down.
Can according to actual needs above-mentioned efficient act liquid device be made further optimization and/or improvements:
Shown in accompanying drawing 1,2,3, when working, bump with lifting fluid cylinder 1 for fear of lifting liquid piston centerbody, be installed with centralizer 7 down in the outside of piston head 4.
Shown in accompanying drawing 1,2, in order to seal, it is conical that lower sealing surface 5 is from bottom to top.
As shown in Figure 1, in order to seal, the absolute altitude of lifting liquid piston cylindrical body 2 outer walls bottom is lower than the absolute altitude of lifting liquid piston cylindrical body 2 inwalls bottom, lift liquid piston cylindrical body 2 outer walls bottom and lift the last sealing surface 8 that forms between the liquid piston cylindrical body 2 inwalls bottom and be conical from bottom to top, like this, last sealing surface 8 with regard to can seat on lower sealing surface 5 and reach the purpose of sealing.
Shown in accompanying drawing 1,2, for the ease of installation and removal, external screw thread is arranged in the upper end of lifting liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread is arranged.
As shown in Figure 2, for the ease of installation and removal, the outside, the lower end of the piston body of rod 3 can link together by the inboard, upper end of screw thread and piston head 4.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment: at first will lift the outside, upper end of fluid cylinder 1 and the inboard, lower end of oil pipe and link together, lifting the upper end of liquid piston centerbody and the lower end of sucker rod links together, to lift fluid cylinder 1 and be lowered into the shaft bottom, and lift liquid piston center physical efficiency and in lifting fluid cylinder 1, move up and down with sucker rod; When lifting liquid piston centerbody and move upward: 8 of last sealing surfaces lifting liquid piston cylindrical body 2 are on lower sealing surface 5, and suction and act liquid are realized in two sealing surfaces contact backs; When act liquid piston centerbody moved downward: two sealing surfaces did not contact, and liquid was realized liquid by the annular space of lifting liquid piston cylindrical body 2 and lift between the liquid piston centerbody.Work so repeatedly and realize lifting liquid.
Claims (10)
- [claim 1] 1, a kind of efficient act liquid device is characterized in that comprising and lift fluid cylinder, lift liquid piston centerbody and lift liquid piston cylindrical body; The liquid of act piston centerbody is arranged in lifting fluid cylinder and lift liquid piston cylindrical body, lifting liquid piston center physical efficiency moves up and down in lifting fluid cylinder with sucker rod, lift liquid piston centerbody and comprise the piston body of rod and piston head, the diameter of piston head is greater than the diameter of the piston body of rod, the lower end of the piston body of rod and the upper end of piston head link together, the upper surface of piston head is skewed and forms lower sealing surface, centralizer on having on the piston body of rod, the outside of the piston body of rod below last centralizer is set with lifts liquid piston cylindrical body, lift liquid piston tubular physical efficiency and move up and down in lifting fluid cylinder, the bottom energy seat of lifting liquid piston cylindrical body is on lower sealing surface.
- [claim 2] 2, efficient act liquid device according to claim 1 is characterized in that following centralizer is arranged on the piston head.
- [claim 3] 3, efficient act liquid device according to claim 1 and 2 is characterized in that lower sealing surface is conical from bottom to top.
- [claim 4] 4, efficient act liquid device according to claim 1 and 2, the absolute altitude that it is characterized in that lifting the external wall of liquid piston tubular bottom is lower than the absolute altitude of lifting liquid piston cylindrical body inwall bottom, lifts the external wall of liquid piston tubular bottom and lifts the last sealing surface that forms between the liquid piston cylindrical body inwall bottom and be taper shape from bottom to top.
- [claim 5] 5, efficient act liquid device according to claim 3, the absolute altitude that it is characterized in that lifting the external wall of liquid piston tubular bottom is lower than the absolute altitude of lifting liquid piston cylindrical body inwall bottom, lifts the external wall of liquid piston tubular bottom and lifts the last sealing surface that forms between the liquid piston cylindrical body inwall bottom and be taper shape from bottom to top.
- [claim 6] 6, efficient act liquid device according to claim 1 and 2 is characterized in that there is external screw thread the upper end of lifting liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread are arranged.
- [claim 7] 7, efficient act liquid device according to claim 3 is characterized in that there is external screw thread the upper end of lifting liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread are arranged.
- [claim 8] 8, efficient act liquid device according to claim 4 is characterized in that there is external screw thread the upper end of lifting liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread are arranged.
- [claim 9] 9, efficient act liquid device according to claim 5 is characterized in that there is external screw thread the upper end of lifting liquid piston centerbody, in the lower end of lifting liquid piston centerbody internal thread are arranged.
- [claim 10] 10, efficient act liquid device according to claim 9, the lower end outside that it is characterized in that the piston body of rod links together by the inboard, upper end of screw thread and piston head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203018774U CN201241671Y (en) | 2008-08-20 | 2008-08-20 | High-efficiency liquid lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203018774U CN201241671Y (en) | 2008-08-20 | 2008-08-20 | High-efficiency liquid lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201241671Y true CN201241671Y (en) | 2009-05-20 |
Family
ID=40714967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203018774U Expired - Fee Related CN201241671Y (en) | 2008-08-20 | 2008-08-20 | High-efficiency liquid lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201241671Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839924A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气股份有限公司 | Sucker rod centralizer lubricated by high-pressure well fluid |
| CN105484983A (en) * | 2016-01-05 | 2016-04-13 | 新疆克拉玛依市采丰实业有限责任公司 | Segmental lifting pump |
-
2008
- 2008-08-20 CN CNU2008203018774U patent/CN201241671Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839924A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气股份有限公司 | Sucker rod centralizer lubricated by high-pressure well fluid |
| CN105484983A (en) * | 2016-01-05 | 2016-04-13 | 新疆克拉玛依市采丰实业有限责任公司 | Segmental lifting 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: 20090520 Termination date: 20090921 |