CN201292939Y - Oil well pump for reducing suspension point load of advanced water injection drive block - Google Patents
Oil well pump for reducing suspension point load of advanced water injection drive block Download PDFInfo
- Publication number
- CN201292939Y CN201292939Y CNU2008201242366U CN200820124236U CN201292939Y CN 201292939 Y CN201292939 Y CN 201292939Y CN U2008201242366 U CNU2008201242366 U CN U2008201242366U CN 200820124236 U CN200820124236 U CN 200820124236U CN 201292939 Y CN201292939 Y CN 201292939Y
- Authority
- CN
- China
- Prior art keywords
- piston
- pump barrel
- well
- moves
- last
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 239000000725 suspension Substances 0.000 title abstract 3
- 238000002347 injection Methods 0.000 title abstract 2
- 239000007924 injection Substances 0.000 title abstract 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 239000010779 crude oil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides an oil-well pump that is used for leading water injection drive block to reduce suspension point load suitable for deep well, including last piston (3), by-pass hole (4), well piston (5), lower piston (6), well through-hole (7), lower seal (8) etc, it is connected with last pump barrel (1) to go up seal (2), go up piston (3), well piston (5), lower piston (6) are in proper order in the body inserts upper seal (2) after linking gradually, pack into lower seal (8) in last pump barrel (1), it is connected with lower seal (8) to go up pump barrel (1), be equipped with respectively in lower piston (6) and move about valve bonnet (10), valve ball (11) that moves about, disk seat (12) moves about, can reduce the suspension point load of beam-pumping unit, improve the stress situation of sucker rod, be favorable to reducing the energy consumption, reduction in production cost. The utility model discloses the oil-well pump both can be applied to the vertical well, also can be applied to directional well, and the range of application is extensive.
Description
Technical field
The utility model relates to a kind of downhole pump, and particularly a kind of downhole oil extraction device that is applicable to deep-well belongs to the oil recovery machiner class, specifically, is a kind of oil well pump that piece reduction polished rod load is driven in leading water filling that is used for.
Background technique
Along with the day of energy situation is becoming tight, bury dark oil reservoir in a large number and more and more employed, the depth of setting of oil well pump constantly increases; Simultaneously, after the oil field generally entered the middle and later periods mining phase, well water significantly rose, and made that the polished rod load of pumping unit is increasing, and is more and more higher to the requirement of strength of sucker rod.The increase of pumping unit load needs supporting powerful motor on the one hand, and the consumption that this has just strengthened electric energy has improved cost of production; On the other hand, the rod parting accident often takes place in oil well, causes oil well to stop well and workover eration, has a strong impact on the productivity effect of oil well.
Summary of the invention
The purpose of this utility model provides a kind of oil well pump that piece reduction polished rod load is driven in leading water filling that is used for, this oil well pump can reduce the pumping unit polished rod load, thereby reduces the consumption of pumping unit electric energy, the working life of improving sucker rod force-bearing situation, prolongation sucker rod.
The technical solution adopted in the utility model is:
Comprise pump barrel, last seal, upper piston, by-pass hole, middle piston, lower piston, middle through hole, lower seal body, reducer fitting, the valve bonnet that moves about, the valve ball that moves about, the valve seat that moves about, following pump barrel, standing valve cover, fixed valve ball, fixed valve base, last pump barrel is connected by reducer fitting with following pump barrel, last seal is connected with last pump barrel, insertion was gone up in the seal after upper piston, middle piston, lower piston were in turn connected into one by screw thread, the lower seal body of packing in last pump barrel, last pump barrel is connected with the lower seal body.The valve bonnet that moves about, the valve ball that moves about, the valve seat that moves about are housed respectively in the lower piston, and following pump barrel lower end is connected to standing valve cover, and the valve bonnet lower end is connected to fixed valve base, and fixed valve ball is housed in the fixed valve base.
On last pump barrel, be provided with by-pass hole.
Middle piston lower surface is provided with middle through hole.
Advantage of the present utility model is: can reduce pumping unit polished rod load, improve the force-bearing situation of sucker rod, help lowering energy consumption, reduce production costs.The utility model oil well pump both can be applicable to straight well, also can be applicable to directional well, had wide range of applications.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
As shown in drawings, the utility model mainly is made up of last pump barrel 1, last seal 2, upper piston 3, by-pass hole 4, middle piston 5, lower piston 6, middle through hole 7, lower seal body 8, reducer fitting 9, the valve bonnet 10 that moves about, the valve ball 11 that moves about, the valve seat 12 that moves about, following pump barrel 13, standing valve cover 14, fixed valve ball 15, fixed valve base 16.Its main feature is that the pump chamber that middle piston 5 will be gone up between seal 2, the lower seal body 8 separates, upper and lower two ends of middle piston 5 are among two different pressure systems: middle piston 5 upper-end surfaces communicate with oil pipe, sleeve pipe annular space by by-pass hole 4, make among its pressure system that is in oil pipe, sleeve pipe annular space; Middle piston 5 lower end surfaces communicate with oil pipe by middle through hole 7, make among its pressure system that is in oil pipe.Owing to there is a difference between oil pipe, sleeve pipe annular space pressure and the tubing pressure, and this pressure difference produces a power that makes progress on the upper and lower end face of piston 5 in acting on, and makes the pumping unit polished rod load reduce.During upstroke, fixed valve ball 15 is opened, and oil well pump sucks crude oil from well, and simultaneously, the valve ball 11 that moves about is closed, and piston will be lifted well head on the crude oil in the oil pipe above it; During down stroke, fixed valve ball 15 is closed and the valve ball 11 that moves about is opened, the crude oil below the piston by the valve ball 11 that moves about be discharged to it above.
Last pump barrel 1 is threaded by reducer fitting 9 usefulness with following pump barrel 13, last seal 2 is connected with last pump barrel 1 by screw thread, upper piston 3, middle piston 5, lower piston 6 are integral the back insertion and go up in the seal 2 by being threaded, the lower seal body 8 of packing in last pump barrel 1, last pump barrel 1 adopt with lower seal body 8 and are threaded.The valve bonnet 10 that moves about is housed in the lower piston 6, the valve ball 11 and the valve seat 12 that moves about move about.Reducer fitting 9 is connected with following pump barrel 13 by screw thread, and following pump barrel 13 lower ends are connected to standing valve cover 14, and valve bonnet 14 lower ends are connected to fixed valve base 16, and fixed valve ball 15 is housed in the fixed valve base 16.
Claims (3)
1. one kind is used for the oil well pump that piece reduction polished rod load is driven in leading water filling, comprise pump barrel (1), last seal (2), upper piston (3), by-pass hole (4), middle piston (5), lower piston (6), middle through hole (7), lower seal body (8), reducer fitting (9), valve bonnet (10) moves about, valve ball (11) moves about, valve seat (12) moves about, following pump barrel (13), standing valve cover (14), fixed valve ball (15), fixed valve base (16), it is characterized in that: go up pump barrel (1) and be connected by reducer fitting (9) with following pump barrel (13), last seal (2) is connected with last pump barrel (1), upper piston (3), middle piston (5), lower piston (6) is integral the back insertion successively in succession and goes up in the seal (2), the lower seal body (8) of in last pump barrel (1), packing into, last pump barrel (1) is connected with lower seal body (8), the valve bonnet that moves about (10) is housed respectively in the lower piston (6), valve ball (11) moves about, valve seat (12) moves about, following pump barrel (13) lower end is connected to standing valve cover (14), valve bonnet (14) lower end is connected to fixed valve base (16), and fixed valve ball (15) is housed in the fixed valve base (16).
2. a kind of oil well pump that piece reduction polished rod load is driven in leading water filling that is used for according to claim 1 is characterized in that: go up pump barrel (1) and be provided with by-pass hole (4).
3. a kind of oil well pump that piece reduction polished rod load is driven in leading water filling that is used for according to claim 1, it is characterized in that: middle piston (5) lower end surface is provided with middle through hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242366U CN201292939Y (en) | 2008-12-02 | 2008-12-02 | Oil well pump for reducing suspension point load of advanced water injection drive block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242366U CN201292939Y (en) | 2008-12-02 | 2008-12-02 | Oil well pump for reducing suspension point load of advanced water injection drive block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292939Y true CN201292939Y (en) | 2009-08-19 |
Family
ID=41006416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201242366U Expired - Lifetime CN201292939Y (en) | 2008-12-02 | 2008-12-02 | Oil well pump for reducing suspension point load of advanced water injection drive block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292939Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423147A (en) * | 2013-08-13 | 2013-12-04 | 镇江安达煤矿专用设备有限公司 | Continuous slurry discharge cylinder of grouting pump |
| WO2016009302A2 (en) | 2014-07-15 | 2016-01-21 | Yorio Pablo Martín | Load reduction device for deep well pumping systems and pumping system comprising said device |
| CN114576146A (en) * | 2020-11-30 | 2022-06-03 | 中国石油天然气股份有限公司 | Supercharging device |
-
2008
- 2008-12-02 CN CNU2008201242366U patent/CN201292939Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423147A (en) * | 2013-08-13 | 2013-12-04 | 镇江安达煤矿专用设备有限公司 | Continuous slurry discharge cylinder of grouting pump |
| WO2016009302A2 (en) | 2014-07-15 | 2016-01-21 | Yorio Pablo Martín | Load reduction device for deep well pumping systems and pumping system comprising said device |
| CN114576146A (en) * | 2020-11-30 | 2022-06-03 | 中国石油天然气股份有限公司 | Supercharging device |
| CN114576146B (en) * | 2020-11-30 | 2024-07-30 | 中国石油天然气股份有限公司 | Supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |
|
| CX01 | Expiry of patent term |