CN110345068B - Submersible electric pump integrated valve - Google Patents
Submersible electric pump integrated valve Download PDFInfo
- Publication number
- CN110345068B CN110345068B CN201910602628.1A CN201910602628A CN110345068B CN 110345068 B CN110345068 B CN 110345068B CN 201910602628 A CN201910602628 A CN 201910602628A CN 110345068 B CN110345068 B CN 110345068B
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- China
- Prior art keywords
- cylinder barrel
- inner cavity
- valve
- valve core
- liquid outlet
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
Images
Classifications
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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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- 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
- E21B43/128—Adaptation of pump systems with down-hole electric drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/008—Pumps for submersible use, i.e. down-hole pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
- F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an integrated valve of an electric submersible pump in the technical field of electric submersible pumps, which comprises an upper cylinder barrel, a lower cylinder barrel and a cylinder head, wherein shear nails are embedded in the side wall of the top end of the cylinder barrel, a liquid outlet is formed in the side wall of the upper cylinder barrel, a movable valve core is movably sleeved in an inner cavity of the upper cylinder barrel, a liquid outlet screen pipe is movably sleeved in the inner cavity of the movable valve core, a controllable valve core is sleeved at the top of the inner cavity of the liquid outlet screen pipe and matched with the shear nails, a valve seat is fixedly arranged in the inner cavity of the movable valve core, a check valve is arranged at the top of the valve seat, an energy accumulator, a push rod and a spring are arranged in the inner cavity of the lower cylinder barrel, an oil passing screen pipe is fixedly arranged at the top of the push rod, and the bottom of the push rod is connected with the energy accumulator The working efficiency is improved, and the heat preservation cost of the wellhead in winter is reduced.
Description
Technical Field
The invention relates to the technical field of electric submersible pumps, in particular to an integrated valve of an electric submersible pump.
Background
The existing direct-drive submersible screw pump is basically mature in technology (more than 300 wells are applied nationwide, the power saving rate is 42%, the deep thickened oil in the Ji7 well area is successfully applied to 16 wells, the shale oil JHW003 is successfully applied to 1 well, and the power saving rate is 45% at 2 wells in the exploratory well operation area), and has scale popularization conditions. The Xinjiang oil field combines a new two-method, actively responds to the requirements of large platforms, large well clusters and industrial construction of the stock company to develop the project, takes the core of industrial drilling, rodless pump oil production, integrated construction and intelligent management, creates a new development mode of a lifting process, and creates a technical mode of a rodless electric pump.
At present, the lower electric submersible pump has no controllable valve, is easy to cause environmental pollution influence, can not realize positive circulation well washing, and increases the heat preservation cost of a well mouth in winter.
Based on the above, the invention designs an integrated valve of an electric submersible pump, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an integrated valve of an electric submersible pump, and aims to solve the problems that the existing lower electric submersible pump is provided with no controllable valve, is easy to cause environmental pollution influence, cannot realize positive circulation well washing and increases the heat preservation cost of a wellhead in winter.
In order to achieve the purpose, the invention provides the following technical scheme: an oil-submersible electric pump integrated valve comprises an upper cylinder barrel, a lower cylinder barrel and a cylinder head, wherein the top of the upper cylinder barrel is provided with an upper connector, the bottom of the cylinder head is provided with a lower joint, the side wall of the top end of the upper cylinder barrel is embedded with a shear pin, the side wall of the upper cylinder barrel is provided with a liquid discharge port, the inner cavity of the upper cylinder barrel is movably sleeved with a movable valve core, the inner cavity of the movable valve core is movably sleeved with a liquid outlet sieve tube, the top of the inner cavity of the liquid outlet sieve tube is sleeved with a controllable valve core, the controllable valve core is matched with the shear pin, a valve seat is fixedly arranged in the inner cavity of the movable valve core, a check valve is arranged at the top of the valve seat, an energy accumulator, a push rod and a spring are arranged in the inner cavity of the lower cylinder barrel, an oil screen pipe is fixedly arranged at the top of the push rod, the oil-passing sieve tube is connected with the valve seat, the bottom of the push rod is connected with the energy accumulator, and the spring is sleeved on the outer wall of the push rod.
Preferably, the lower cylinder barrel is connected with the upper cylinder barrel and the cylinder head in a clamping mode.
Preferably, the check valve is arranged as a movable steel ball.
Preferably, the side wall of the middle section of the liquid outlet sieve tube is uniformly provided with small holes matched with the liquid outlet.
Preferably, the shear pins are symmetrically arranged in two groups.
Compared with the prior art, the invention has the beneficial effects that: the device solves the problems that the prior submersible electric pump has no controllable valve and is easy to cause environmental pollution influence, can wash the well normally, reduces the liquid quantity for washing the well by hot washing and well repairing, automatically balances the liquid level of the oil jacket after the pump is stopped, improves the working efficiency and reduces the heat preservation cost of the well mouth in winter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a main view of the present invention;
FIG. 2 is a schematic side view of the corner structure of the present invention;
FIG. 3 is a schematic top view of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-upper joint, 2-controllable valve core, 3-shear pin, 4-liquid outlet sieve tube, 5-movable valve core, 6-upper cylinder barrel, 7-check valve, 8-valve seat, 9-oil passing sieve tube, 10-spring, 11-push rod, 12-lower cylinder barrel, 13-energy accumulator, 14-cylinder head and 15-lower joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an electric submersible pump integrated valve comprises an upper cylinder barrel 6, a lower cylinder barrel 12 and a cylinder head 14, wherein the top of the upper cylinder barrel 6 is provided with an upper joint 1, the bottom of the cylinder head 14 is provided with a lower joint 15, the side wall of the top end of the upper cylinder barrel 6 is embedded with a shear pin 3, the side wall of the upper cylinder barrel 6 is provided with a liquid discharge port, the inner cavity of the upper cylinder barrel 6 is movably sleeved with a movable valve core 5, the inner cavity of the movable valve core 5 is movably sleeved with a liquid outlet sieve tube 4, the top of the inner cavity of the liquid outlet sieve tube 4 is sleeved with a controllable valve core, the controllable valve core 2 and the shear pin 3 are matched with each other, a valve seat 8 is fixedly installed in an inner cavity of the movable valve core 5, a check valve 7 is arranged at the top of the valve seat 8, an energy accumulator 13, a push rod 11 and a spring 10 are installed in an inner cavity of the lower cylinder 12, an oil-passing sieve pipe 9 is fixedly installed at the top of the push rod 11, the oil-passing sieve pipe 9 is connected with the valve seat 8, the bottom of the push rod 11 is connected with the energy accumulator 13, and the spring 10 is sleeved on the outer wall of the push rod.
The lower cylinder 12 is connected with the upper cylinder 6 and the cylinder head in a clamping manner, the check valve 7 is a movable steel ball, small holes matched with the liquid discharge port are uniformly formed in the side wall of the middle section of the liquid outlet sieve tube 4, and two groups of shear pins 3 are symmetrically arranged.
One specific application of this embodiment is: the invention relates to a pressurizing process, which is characterized in that the pressurizing process is arranged above an electric submersible pump, after the work procedure of descending the electric submersible pump is finished and the detection is qualified, an oil pipe injects pressurizing liquid from an upper joint 1 to pressurize, so that a shear pin 3 is cut off, a controllable valve core 2 falls into the bottom of a liquid outlet sieve tube 4, the pressurizing liquid pushes a check valve 7 to seal the pressurizing liquid, meanwhile, a movable valve core 5 is pushed to move downwards, a spring 10 is pushed to compress, an energy accumulator 13 stores energy, when the movable valve core 5 moves downwards to a certain height, the pressurizing liquid in the liquid outlet sieve tube 4 is discharged from a liquid outlet on the side wall of an upper cylinder 6, the pressurizing liquid pressure is reduced, after the pressurizing is stopped, the energy accumulator 13 and the spring 10 push the movable valve core 5 to move upwards to seal the liquid outlet, and the pressurizing is finished;
oil pump working oil pumping flow: starting the submersible pump, enabling liquid discharged by the submersible pump to enter the device from the lower connector 15, pushing the check valve 7 to move upwards, opening the check valve 7, passing through the liquid outlet sieve tube 4, and flowing out from the upper connector 1 by pressing, so as to finish oil pumping;
a cleaning process: and (3) injecting the cleaning liquid in the pressurizing direction, pushing the movable valve core 5 to move downwards by the cleaning liquid, closing the check valve 7, moving to the cleaning liquid and discharging from the liquid discharging port, and finishing the oil well cleaning process.
The device solves the problems that the prior submersible electric pump has no controllable valve and is easy to cause environmental pollution influence, can wash the well normally, reduces the liquid quantity for washing the well by hot washing and well repairing, automatically balances the liquid level of the oil jacket after the pump is stopped, improves the working efficiency and reduces the heat preservation cost of the well mouth in winter.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an oily charge pump integration valve dives, includes cylinder (6), lower cylinder (12) and cylinder head (14), its characterized in that: an upper joint (1) is installed at the top of the upper cylinder barrel (6), a lower joint (15) is installed at the bottom of the cylinder head (14), shear nails (3) are inlaid in the side wall of the top end of the upper cylinder barrel (6), a liquid discharge port is formed in the side wall of the upper cylinder barrel (6), a movable valve core (5) is movably sleeved in an inner cavity of the upper cylinder barrel (6), a liquid outlet sieve tube (4) is movably sleeved in the inner cavity of the movable valve core (5), a controllable valve core (2) is sleeved at the top of the inner cavity of the liquid outlet sieve tube (4), the controllable valve core (2) is matched with the shear nails (3), a valve seat (8) is fixedly installed in the inner cavity of the movable valve core (5), a valve (7) is arranged at the top of the valve seat (8), an energy accumulator (13), a push rod (11) and a spring (10) are installed in the inner cavity of the lower cylinder barrel (12), and an oil, the oil-passing sieve tube (9) is connected with the valve seat (8), the bottom of the push rod (11) is connected with the energy accumulator (13), and the spring (10) is sleeved on the outer wall of the push rod (11).
2. The integrated valve of the electrical submersible pump according to claim 1, characterized in that: the lower cylinder barrel (12) is connected with the upper cylinder barrel (6) and the cylinder head in a clamping manner.
3. The integrated valve of the electrical submersible pump according to claim 1, characterized in that: the check valve (7) is set as a movable steel ball.
4. The integrated valve of the electrical submersible pump according to claim 1, characterized in that: and small holes matched with the liquid discharge port are uniformly formed in the side wall of the middle section of the liquid outlet sieve tube (4).
5. The integrated valve of the electrical submersible pump according to claim 1, characterized in that: two groups of shear pins (3) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602628.1A CN110345068B (en) | 2019-07-05 | 2019-07-05 | Submersible electric pump integrated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602628.1A CN110345068B (en) | 2019-07-05 | 2019-07-05 | Submersible electric pump integrated valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110345068A CN110345068A (en) | 2019-10-18 |
| CN110345068B true CN110345068B (en) | 2020-10-09 |
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ID=68178283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910602628.1A Active CN110345068B (en) | 2019-07-05 | 2019-07-05 | Submersible electric pump integrated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345068B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107865A (en) * | 2021-04-18 | 2021-07-13 | 深圳景嘉机电科技有限公司 | Multifunctional submersible pump ground control device |
| CN113464076A (en) * | 2021-07-21 | 2021-10-01 | 深圳景嘉机电科技有限公司 | Oil-submersible pump well flushing valve and well flushing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2210003C1 (en) * | 2002-04-02 | 2003-08-10 | Открытое Акционерное Общество "Алнас" | Submersible electric-hydraulic drive plant |
| CN101144377B (en) * | 2007-10-26 | 2011-04-20 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Oil well sucker rod pump oil pumping completion tubular pile plugging device with pressure |
| CN202250744U (en) * | 2011-10-27 | 2012-05-30 | 彭经武 | Blowout prevention oil well pump |
| CN203948282U (en) * | 2013-10-29 | 2014-11-19 | 中国石油天然气股份有限公司 | Gas-liquid replacement type anti-gas pump |
| CN204941451U (en) * | 2015-08-11 | 2016-01-06 | 中国石油化工股份有限公司 | One is unidirectional suppresses valve |
| CN207145198U (en) * | 2017-09-15 | 2018-03-27 | 山东名流泵业科技股份有限公司 | Oil immersion line motor oil well pump |
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2019
- 2019-07-05 CN CN201910602628.1A patent/CN110345068B/en active Active
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| CN110345068A (en) | 2019-10-18 |
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