CN113187706A - Ultra-long stroke oil well pump - Google Patents
Ultra-long stroke oil well pump Download PDFInfo
- Publication number
- CN113187706A CN113187706A CN202110554189.9A CN202110554189A CN113187706A CN 113187706 A CN113187706 A CN 113187706A CN 202110554189 A CN202110554189 A CN 202110554189A CN 113187706 A CN113187706 A CN 113187706A
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- CN
- China
- Prior art keywords
- plunger
- valve
- oil
- pump
- joint
- 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.)
- Pending
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 210000002445 nipple Anatomy 0.000 claims 3
- 230000001681 protective effect Effects 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 29
- 238000007667 floating Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses an ultra-long stroke oil well pump which comprises a protective cap, an inner cone short section, a plunger upper valve cover, a moving valve ball, a moving valve seat, a plunger joint, a pump barrel, a plunger, a valve seat pipe plug, an oil pipe, a weighting rod connecting rod, an oil pipe coupling, a weighting rod, a fixed valve cover, a fixed valve ball, a fixed valve seat joint and a rubber protective cap. The invention provides a novel oil extraction system which is high in oil extraction efficiency, stable and reliable in work and capable of meeting various oil extraction scenes.
Description
Technical Field
The invention relates to the technical field of oil exploitation equipment, in particular to an ultra-long stroke oil well pump.
Background
At present, mechanical oil extraction commonly used in large oil fields at home and abroad is a rod oil extraction system, and as most of main oil fields in China enter the middle and later development stages, the water content of crude oil rises, the working fluid level falls, the corrosion of underground media is aggravated, the proportion of deep wells and ultra-deep wells in an oil well is increased, and an oil extraction device consisting of the conventional beam-pumping unit, the conventional steel sucker rod and the conventional oil well pump cannot adapt.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide an ultra-long stroke oil well pump to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ultra-long stroke oil well pump comprises a protective cap, an inner cone short section, a plunger upper valve cover, a traveling valve ball, a traveling valve seat, a plunger joint, a pump barrel, a plunger, a valve seat pipe plug, an oil pipe, a weighting rod connecting rod, an oil pipe coupling, a weighting rod, a fixed valve cover, a fixed valve ball, a fixed valve seat joint and a rubber protective cap, wherein one end of the pump barrel is connected with the oil pipe, the protective cap is in threaded connection with the inner wall of one end of the inner cone short section, the other end of the inner cone short section is in threaded connection with the outer wall of one end of the pump barrel, the plunger upper valve cover, the traveling valve ball, the traveling valve seat, the plunger joint, the pump barrel, the plunger, the valve seat pipe plug and the valve seat pipe plug are arranged in the pump barrel, one end of the plunger upper valve cover is connected with the plunger joint, the other end of the plunger joint is in threaded connection with one end of the plunger, and the other end of the plunger is connected with the plunger valve cover through threads, one end of the plunger closed valve cover is connected with a valve seat pipe plug, and a moving valve ball is arranged inside the plunger upper valve cover.
Furthermore, the plunger upper valve cover, the plunger closed valve cover and the valve seat pipe plug are cylindrical, and the center of the plunger upper valve cover, the center of the plunger closed valve cover and the center of the valve seat pipe plug are on the same straight line.
Furthermore, a traveling valve is formed by the plunger upper valve cover, the traveling valve ball and the traveling valve seat.
Furthermore, the fixed valve cover, the fixed valve ball, the fixed valve seat and the fixed valve seat joint form a fixed valve.
Furthermore, an oil pipe at the end part of the pump cylinder forms an auxiliary pump cylinder.
Furthermore, the weighting rod connecting rod is connected with one end of the valve seat pipe plug, the other end of the weighting rod connecting rod is connected with one end of the weighting rod positioned in the oil pipe, and the oil pipes are fixedly connected through oil pipe couplings.
Compared with the prior art, the invention has the following beneficial effects: the ultra-long stroke oil well pump provided by the invention forms a novel oil extraction system, has high oil extraction efficiency and stable and reliable work, and meets various oil extraction scenes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of an ultra-long stroke oil well pump according to the present invention.
Reference numerals:
1. a protective cap; 2. an inner cone short section; 3. a plunger upper valve cover; 4. a floating valve ball; 5. a traveling valve seat; 6. a plunger coupling; 7. a pump barrel; 8. a plunger; 9. a valve seat plug; 10. an oil pipe; 12. an oil pipe; 13. a weight bar connecting rod; 14. a tubing coupling; 15. a weight bar; 16. fixing the valve cover; 17. fixing the valve ball; 18. a fixed valve seat; 19. a fixed valve seat joint; 20. a rubber protective cap.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, an ultra-long stroke oil well pump according to an embodiment of the present invention includes a protective cap 1, an inner cone short section 2, a plunger upper valve cover 3, a traveling valve ball 4, a traveling valve seat 5, a plunger joint 6, a pump barrel 7, a plunger 8, a plunger closed valve cover 9, a valve seat plug 10, an oil pipe 12, a weighting rod connecting rod 13, an oil pipe coupling 14, a weighting rod 15, a fixed valve cover 16, a fixed valve ball 17, a fixed valve seat 18, a fixed valve seat joint 19, and a rubber protective cap 20, one end of the pump barrel 7 is connected with the oil pipe 12, the protective cap 1 is in threaded connection with an inner wall of one end of the inner cone short section 2, the other end of the inner cone short section 2 is in threaded connection with an outer wall of one end of the pump barrel 7, the pump barrel 7 is internally provided with the plunger upper valve cover 3, the traveling valve ball 4, the traveling valve seat 5, the plunger joint 6, the pump barrel 7, the plunger 8, the plunger closed valve cover 9, and the valve seat plug 10, one end of a plunger upper valve cover 3 is connected with a plunger joint 6, the other end of the plunger joint 6 is in threaded connection with one end of a plunger 8, the other end of the plunger 8 is in threaded connection with a plunger closed valve cover 9 through threads, one end of the plunger closed valve cover 9 is connected with a valve seat pipe plug 10, a floating valve ball 4 is arranged inside the plunger upper valve cover 3, the plunger 8, the plunger closed valve cover 9 and the valve seat pipe plug 10 are cylindrical, the center of the plunger upper valve cover 3, the center of the plunger 8, the center of the plunger closed valve cover 9 and the center of the valve seat pipe plug 10 are on the same straight line, the plunger upper valve cover 3, the floating valve ball 4 and the floating valve seat 5 form a floating valve, a fixed valve 16, a fixed valve ball 17, a fixed valve seat 18 and a fixed valve seat joint 19 form a fixed valve, and an oil pipe 12 at the end of a pump barrel 7 forms an auxiliary pump barrel, the weighting rod connecting rod 13 is connected with one end of the valve seat pipe plug 10, the other end of the weighting rod connecting rod 13 is connected with one end of a weighting rod positioned in the oil pipe 12, and the oil pipes 12 are fixedly connected through oil pipe couplings 14.
The specific principle is as follows: when the up stroke starts, the plunger 8 and the weighting rod 15 at the lower part move upwards, the floating valve therein is closed, the liquid above the plunger 8 is lifted, and meanwhile, when the pressure in the pump cylinder 7 and the auxiliary pump cylinder is reduced to be less than the pressure in the external oil jacket space, the fixed valve is jacked open, and the external liquid enters the pump cylinder 7 and the auxiliary pump cylinder. When the up stroke is finished and the down stroke is started, the plunger 8 and the weighting rod 15 move downwards, so that the pressure in the pump cylinder 7 is increased until the pressure is greater than the external pressure of the pump cylinder 7, the fixed valve is closed, when the pressure in the pump cylinder 7 is continuously increased to be greater than the pressure in an oil pipe column at the upper part of the pump, the floating valve is jacked open, and the liquid at the lower part of the plunger 8 enters the oil pipe at the upper part of the pump. And the liquid at the bottom of the oil well is lifted to the ground in such a way. When the pump hanging depth is more than 2000 m, the pump is a double-layer pump cylinder, and the annular space between the inner pump cylinder and the outer pump cylinder is communicated with the inner space of the upper oil pipe.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an overlength stroke oil-well pump, its characterized in that, including protecting cap (1), interior awl nipple joint (2), plunger upper portion valve bonnet (3), valve ball (4) move about, disk seat (5) move about, plunger connects (6), pump barrel (7), plunger (8), plunger closed valve bonnet (9), disk seat stopcock (10), oil pipe (12), weighting rod connecting rod (13), oil pipe coupling (14), weighting rod (15), fixed valve bonnet (16), fixed valve ball (17), fixed disk seat (18), fixed disk seat connects (19) and rubber protecting cap (20), the one end of pump barrel (7) is connected with oil pipe (12), protect cap (1) and the one end inner wall threaded connection of the nipple joint of interior awl nipple joint (2), the other end of interior awl (2) with the one end threaded connection of pump barrel (7), the inside of pump barrel (7) is equipped with plunger upper portion valve bonnet (3), Move about valve ball (4), disk seat (5), plunger joint (6), pump barrel (7), plunger (8), plunger closed valve bonnet (9) and disk seat stopcock (10) move about, plunger upper portion valve bonnet (3) one end is connected with plunger joint (6), and the other end and plunger (8) one end threaded connection of plunger joint (6), plunger (8) other end sees through threaded connection and has plunger closed valve bonnet (9), plunger closed valve bonnet (9) one end is connected with disk seat stopcock (10), the inside of plunger upper portion valve bonnet (3) is equipped with valve ball (4) move about.
2. The ultra-long stroke oil well pump according to claim 1, wherein the plunger upper valve cover (3), the plunger (8), the plunger closed valve cover (9) and the valve seat pipe plug (10) are cylindrical, and the center of the plunger upper valve cover (3), the center of the plunger (8), the center of the plunger closed valve cover (9) and the center of the valve seat pipe plug (10) are on the same straight line.
3. The ultra-long stroke oil well pump as claimed in claim 1, wherein the plunger upper valve cover (3), the traveling valve ball (4) and the traveling valve seat (5) form a traveling valve.
4. The ultra-long stroke oil well pump as claimed in claim 1, wherein the fixed valve cover (16), the fixed valve ball (17), the fixed valve seat (18) and the fixed valve seat joint (19) form a fixed valve.
5. The ultra-long stroke oil pump according to claim 1, wherein the oil pipe (12) at the end of the pump cylinder (7) constitutes a secondary pump cylinder.
6. The ultra-long stroke oil well pump according to claim 1, characterized in that the weight rod connecting rod (13) is connected with one end of the valve seat pipe plug (10), the other end of the weight rod connecting rod (13) is connected with one end of a weight rod (15) positioned in the oil pipe (12), and the oil pipes (12) are fixedly connected through a pipe coupling (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554189.9A CN113187706A (en) | 2021-05-20 | 2021-05-20 | Ultra-long stroke oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110554189.9A CN113187706A (en) | 2021-05-20 | 2021-05-20 | Ultra-long stroke oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113187706A true CN113187706A (en) | 2021-07-30 |
Family
ID=76982755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110554189.9A Pending CN113187706A (en) | 2021-05-20 | 2021-05-20 | Ultra-long stroke oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113187706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749701A (en) * | 2022-12-06 | 2023-03-07 | 山东威马泵业股份有限公司 | Blowout-preventing pipe type oil well pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728098A (en) * | 2013-12-19 | 2015-06-24 | 鄂德刚 | Multistage plunger super-long-stroke oil well pump |
| CN206319864U (en) * | 2016-12-26 | 2017-07-11 | 胜利油田金岛实业有限责任公司 | Anti-sand oil pump |
| CN206319865U (en) * | 2016-12-26 | 2017-07-11 | 胜利油田金岛实业有限责任公司 | Negative pressure suction pump |
| CN110700796A (en) * | 2019-09-17 | 2020-01-17 | 大庆市汇成科技开发有限公司 | Intelligent carbon fiber continuous flexible sucker rod long-stroke large-pump deep pumping oil production system |
| CN214944877U (en) * | 2021-05-20 | 2021-11-30 | 大庆市汇成科技开发有限公司 | Ultra-long stroke oil well pump |
-
2021
- 2021-05-20 CN CN202110554189.9A patent/CN113187706A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728098A (en) * | 2013-12-19 | 2015-06-24 | 鄂德刚 | Multistage plunger super-long-stroke oil well pump |
| CN206319864U (en) * | 2016-12-26 | 2017-07-11 | 胜利油田金岛实业有限责任公司 | Anti-sand oil pump |
| CN206319865U (en) * | 2016-12-26 | 2017-07-11 | 胜利油田金岛实业有限责任公司 | Negative pressure suction pump |
| CN110700796A (en) * | 2019-09-17 | 2020-01-17 | 大庆市汇成科技开发有限公司 | Intelligent carbon fiber continuous flexible sucker rod long-stroke large-pump deep pumping oil production system |
| CN214944877U (en) * | 2021-05-20 | 2021-11-30 | 大庆市汇成科技开发有限公司 | Ultra-long stroke oil well pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749701A (en) * | 2022-12-06 | 2023-03-07 | 山东威马泵业股份有限公司 | Blowout-preventing pipe type oil well pump |
| CN115749701B (en) * | 2022-12-06 | 2023-11-17 | 山东威马泵业股份有限公司 | Blowout prevention pipe type oil pump |
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