CN110094317B - Oil field water injection pump economizer system - Google Patents
Oil field water injection pump economizer system Download PDFInfo
- Publication number
- CN110094317B CN110094317B CN201910298481.1A CN201910298481A CN110094317B CN 110094317 B CN110094317 B CN 110094317B CN 201910298481 A CN201910298481 A CN 201910298481A CN 110094317 B CN110094317 B CN 110094317B
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- CN
- China
- Prior art keywords
- water injection
- hydraulic
- section
- oil
- hydraulic pump
- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 62
- 239000007924 injection Substances 0.000 title claims abstract description 62
- 239000002332 oil field water Substances 0.000 title claims abstract description 30
- 239000003921 oil Substances 0.000 claims abstract description 56
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004134 energy conservation Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 31
- 238000005265 energy consumption Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
Abstract
The invention belongs to the technical field of oilfield water injection engineering, in particular to an oilfield water injection pump energy-saving system, which mainly aims to provide an oilfield water injection pump energy-saving system and greatly reduce energy consumption in the oilfield water injection process and production cost of enterprises in the oilfield water injection process, and provides an oilfield water injection pump energy-saving system, wherein the energy-saving system comprises a hydraulic pump station and a driving hydraulic pump assembly which are independently arranged, the hydraulic pump station is connected with a hydraulic pump body through a hydraulic oil inlet pipeline and a hydraulic oil return pipeline respectively, and a flow regulating device is further arranged on the hydraulic oil inlet pipeline; the oil field water injection pump energy-saving system provided by the invention effectively improves the exploitation yield of oil fields and effectively improves the economic benefit of enterprises in the oil field development process.
Description
Technical Field
The invention belongs to the technical field of oilfield water injection engineering; in particular to an energy-saving system of an oilfield water injection pump.
Background
Petroleum is an important energy resource in the modern society, and plays an extremely important role in the production and life of people, and in the petroleum exploitation process, after the petroleum field is put into development, the energy of the oil layer is continuously consumed along with the increase of exploitation time, so that the pressure of the oil layer is continuously reduced, underground crude oil is largely degassed, the viscosity is increased, the oil well yield is greatly reduced, even the blowout and production stopping are caused, and a large amount of dead oil remains in the underground and cannot be exploited; in order to compensate for the underground defect caused by crude oil extraction, maintain or increase the oil layer pressure, realize the high and stable yield of the oil field, obtain higher recovery ratio, the oil field must be injected with water; along with the continuous deep petroleum exploitation, the oil field also enters a development period with high water content, the water injection quantity of the oil field is greatly increased, and the energy consumption of water injection is also greatly increased when the oil field is injected with water, so that the tension problems of the oil field such as electric power and the like are caused; in the prior oilfield flooding process, the oilfield flooding mostly adopts a flooding mode that a high-power motor drives a flooding pump to flood the oilfield, and the daily power consumption of a single flooding pump can reach tens of thousands DEG, so that the energy consumption is huge; meanwhile, the water injection pump body adopted by the common oil field is single in connection mode, the displacement adjustment range of the water injection pump is small, the water discharge of the water injection pump cannot be effectively reduced under the condition of small water injection workload, and huge waste of industrial productivity is caused.
Disclosure of Invention
The invention aims at:
the energy-saving system for the oilfield water injection pump is mainly used for greatly reducing the energy consumption in the oilfield water injection process and greatly reducing the production cost of enterprises in the oilfield water injection development process through a novel transmission energy-saving system; and the reasonable control of the displacement of the water injection pump is effectively realized through the arrangement of the multistage power device, so that the energy consumption process is matched with the water injection workload, the energy consumption level in the water injection process of the oil field is further reduced, the production standard of high and stable production of the oil field is effectively realized, the exploitation yield of the oil field is effectively improved, and the economic benefit in the development process of the oil field of enterprises is effectively improved.
The technical scheme of the invention is as follows:
the energy-saving system comprises a hydraulic pump station and a driving hydraulic pump assembly which are independently arranged, wherein the driving hydraulic pump assembly comprises a pump body base, a power motor and a hydraulic pump body are respectively arranged on the upper part of the pump body base, and the power motor and the hydraulic pump body are connected through a transmission device; the hydraulic pump station is connected with the hydraulic pump body through a hydraulic oil inlet pipeline and a hydraulic oil return pipeline respectively, and a flow regulating device is further arranged on the hydraulic oil inlet pipeline; the output end of the hydraulic pump body is provided with a booster-type hydraulic oil cylinder, the booster-type hydraulic oil cylinder is connected with the power output device through a booster pipeline, and the power output device is also connected with a water injection pump body.
The flow regulating device arranged on the hydraulic oil inlet pipeline adopts an electromagnetic flow regulating valve.
The supercharged hydraulic cylinder comprises a supercharged compression section and a supercharged jet flow section, a supercharged buffer section is further arranged between the supercharged compression section and the supercharged jet flow section, an oil filling port is arranged on the supercharged buffer section, and the oil filling port is communicated with a hydraulic pump station through an oil filling pipeline.
The section of the oil cylinder of the pressurizing compression section is gradually reduced along the cylinder body, the section of the oil cylinder of the pressurizing jet section is gradually enlarged along the cylinder body, and the section of the oil cylinder of the pressurizing buffer section is kept unchanged along the cylinder body.
The output end of the hydraulic pump body is also provided with a pressure pushing block, and the section size of the pressure pushing block is matched with the section of the pressurizing compression section in the pressurizing hydraulic cylinder.
An oiling switch valve and an oiling check valve are respectively arranged on the oiling pipeline.
The power output device adopts a hydraulic motor, and the hydraulic motor is connected with the water injection pump body through a backrest wheel.
The backrest wheel adopts an elastic movable backrest wheel.
The hydraulic pump body adopts a plunger type hydraulic pump.
The beneficial effects of the invention are as follows:
the energy-saving system of the oilfield water injection pump provided by the invention not only greatly reduces the energy consumption in the oilfield water injection process through the novel transmission energy-saving system, but also greatly reduces the production cost of enterprises in the oilfield water injection development process; and the reasonable control of the displacement of the water injection pump is effectively realized through the arrangement of the multistage power device, so that the energy consumption process is matched with the water injection workload, the energy consumption level in the water injection process of the oil field is further reduced, the production standard of high and stable production of the oil field is effectively realized, the exploitation yield of the oil field is effectively improved, and the economic benefit in the development process of the oil field of enterprises is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an oilfield water injection pump energy saving system of the present invention;
fig. 2 is a schematic structural view of a supercharged hydraulic cylinder according to the present invention.
In the figure; 1 is a hydraulic pump station; 2 is a driving hydraulic pump assembly; 3 is a pump body base; 4 is a power motor; 5 is a hydraulic pump body; 6 is a transmission device; 7 is a hydraulic oil inlet pipeline; 8 is a hydraulic oil return pipeline; 9 is a flow regulating device; 10 is a supercharged hydraulic cylinder; 11 is a pressurizing pipeline; 12 is a power output device; 13 is a water injection pump body; 14 is a booster compression stage; 15 is a pressurized jet section; 16 is a pressurizing buffer section; 17 is an oil filling port; 18 is an oil injection pipeline; 19 is a pressure pushing block; 20 is an oiling switch valve; 21 is an oiling one-way valve; and 22 is a back wheel.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-2, an energy-saving system of an oilfield water injection pump is provided, the energy-saving system comprises a hydraulic pump station 1 and a driving hydraulic pump assembly 2 which are independently arranged, the energy-saving system of the oilfield water injection pump adopts the hydraulic pump station which is independently designed as a primary power source in the working and running process of the water injection pump, the defect that a high-power motor system is adopted to directly drive the water injection pump to work in the traditional oilfield water injection process is effectively avoided, and the hydraulic pump station is connected with the driving hydraulic pump assembly to serve as a primary power device; the hydraulic pump assembly comprises a pump body base 3, a power motor 4 and a hydraulic pump body 5 are respectively arranged on the upper part of the pump body base, the power motor and the hydraulic pump body are connected through a transmission device 6, the hydraulic pump body is used as a power element of a hydraulic system and is driven by an engine or a motor, oil is sucked from a hydraulic oil tank to form a pressure oil to be discharged and sent to an element of an executing element, the transmission device mainly adopts a transmission executing element of the hydraulic pump body driven by the power motor in the traditional sense, the power motor can drive a pump body cam structure to reciprocate through a belt pulley, when a plunger is pushed by a cam to move upwards, the sealing volume formed by the plunger and the cylinder body is reduced, and the oil is extruded from the sealing volume and is discharged to a needed place through a one-way valve. When the cam rotates to the descending part of the curve, the spring forces the plunger downwards to form a certain vacuum degree, and oil in the oil tank enters the sealing volume under the action of atmospheric pressure; the cam enables the plunger to continuously lift, the sealing volume is periodically reduced and increased, and the pump continuously absorbs oil and discharges oil; the arranged driving hydraulic pump assembly can effectively complete the high-efficiency output process of the hydraulic pump body through the operation of the low-power motor; the hydraulic pump station is connected with the hydraulic pump body through a hydraulic oil inlet pipeline 7 and a hydraulic oil return pipeline 8 respectively, a flow regulating device 9 is further arranged on the hydraulic oil inlet pipeline, and the arranged flow regulating device can effectively control the conveying power of the hydraulic pump body; the output end of the hydraulic pump body is provided with a booster-type hydraulic cylinder 10 which is connected with a power output device 12 through a booster pipeline 11; the booster-type hydraulic cylinder and the power output device form a secondary power output structure of the energy-saving system, the pressure potential energy and the output kinetic energy are further adjustable and efficiently transmitted to the water injection pump body to do work, the water injection process of the oil field is realized through the water injection pump body, and the water injection pump body 13 is further connected to the power output device.
Further, an electromagnetic flow regulating valve can be adopted as the flow regulating device arranged on the hydraulic oil inlet pipeline.
Furthermore, the supercharged hydraulic cylinder comprises a supercharged compression section 14 and a supercharged jet flow section 15, a supercharged buffer section 16 is arranged between the supercharged compression section and the supercharged jet flow section, an oil filling port 17 is arranged on the supercharged buffer section, and the oil filling port is communicated with a hydraulic pump station through an oil filling pipeline 18; the supercharged hydraulic cylinder structure that this structure set up can be effectual the hydraulic oil in the hydraulic power unit that independently sets up, in injecting this supercharged hydraulic cylinder with the hydraulic pressure way, does work through the output of the hydraulic pump body, and on the effectual pressure of hydraulic oil was sent the power device of drive water injection pump body through supercharged compression section and supercharged efflux section to the high efficient power mode of low acting high output has realized the secondary energy saving process in the water injection pump body operation process.
Further, the section of the oil cylinder of the pressurizing compression section is gradually reduced along the cylinder body, the section of the oil cylinder of the pressurizing jet section is gradually enlarged along the cylinder body, and the section of the oil cylinder of the pressurizing buffer section is kept unchanged along the cylinder body.
Furthermore, in order to match the working process of the booster-type hydraulic cylinder, a pressure pushing block 19 is further arranged at the output end of the hydraulic pump body, and the section size of the pressure pushing block is matched with the section of the booster-type compression section in the booster-type hydraulic cylinder; the pushing block structure with the trapezoid structure surface can be specifically adopted, and in order to ensure the sealing performance in the pushing process, a rubber pad body matched with the section of the pressurizing and compressing section can be arranged on the pushing block.
Further, an oil filling switch valve 20 and an oil filling check valve 21 are provided in the oil filling pipe, respectively.
Further, the power output device adopts a hydraulic motor, and the hydraulic motor is connected with the water injection pump body through a backrest wheel 22; the power output device of the water injection pump body can adopt a hydraulic motor structure, and the backrest wheel is used as an important component in a mechanical transmission system and used for connecting two shafts or the motion process of the shafts and the rotating member to transmit torque.
Further, the backrest wheel adopts an elastic movable backrest wheel; the elastic movable backrest wheel mainly utilizes the elastic deformation of the elastic element to compensate the deflection and displacement of the two shafts, and meanwhile, the elastic element also has buffering and vibration damping properties, so that the hydraulic motor is more stable and reliable in the process of driving the water injection pump body to operate, and the noise in the operation process of system equipment is effectively reduced; specifically, a serpentine spring back wheel or a rubber sleeve back wheel, etc. may be employed.
Furthermore, the hydraulic pump body adopts a plunger type hydraulic pump.
The energy-saving system of the oilfield water injection pump provided by the invention not only greatly reduces the energy consumption in the oilfield water injection process through the novel transmission energy-saving system, but also greatly reduces the production cost of enterprises in the oilfield water injection development process; and the reasonable control of the displacement of the water injection pump is effectively realized through the arrangement of the multistage power device, so that the energy consumption process is matched with the water injection workload, the energy consumption level in the water injection process of the oil field is further reduced, the production standard of high and stable production of the oil field is effectively realized, the exploitation yield of the oil field is effectively improved, and the economic benefit in the development process of the oil field of enterprises is effectively improved.
Claims (6)
1. An oil field water injection pump economizer system which characterized in that: the energy-saving system comprises a hydraulic pump station and a driving hydraulic pump assembly which are independently arranged, wherein the driving hydraulic pump assembly comprises a pump body base, a power motor and a hydraulic pump body are respectively arranged on the upper part of the pump body base, and the power motor is connected with the hydraulic pump body through a transmission device; the hydraulic pump station is connected with the hydraulic pump body through a hydraulic oil inlet pipeline and a hydraulic oil return pipeline respectively, and a flow regulating device is further arranged on the hydraulic oil inlet pipeline; the output end of the hydraulic pump body is provided with a booster-type hydraulic oil cylinder, the booster-type hydraulic oil cylinder is connected with the power output device through a booster pipeline, and the power output device is also connected with a water injection pump body;
the flow regulating device arranged on the hydraulic oil inlet pipeline adopts an electromagnetic flow regulating valve;
the supercharged hydraulic cylinder comprises a supercharged compression section and a supercharged jet flow section, a supercharged buffer section is arranged between the supercharged compression section and the supercharged jet flow section, an oil filling port is arranged on the supercharged buffer section, and the oil filling port is communicated with a hydraulic pump station through an oil filling pipeline;
the section of the oil cylinder of the pressurizing compression section is gradually reduced along the cylinder body, the section of the oil cylinder of the pressurizing jet section is gradually enlarged along the cylinder body, and the section of the oil cylinder of the pressurizing buffer section is kept unchanged along the cylinder body.
2. An oilfield water injection pump energy conservation system as defined in claim 1, wherein: the output end of the hydraulic pump body is also provided with a pressure pushing block, and the section size of the pressure pushing block is matched with the section of the pressurizing compression section in the pressurizing hydraulic cylinder.
3. An oilfield water injection pump energy conservation system as defined in claim 1, wherein: an oiling switch valve and an oiling check valve are respectively arranged on the oiling pipeline.
4. An oilfield water injection pump energy conservation system as defined in claim 1, wherein: the power output device adopts a hydraulic motor, and the hydraulic motor is connected with the water injection pump body through a backrest wheel.
5. The oilfield water injection pump energy conservation system of claim 4, wherein: the backrest wheel adopts an elastic movable backrest wheel.
6. An oilfield water injection pump energy conservation system as defined in claim 2, wherein: the hydraulic pump body adopts a plunger type hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298481.1A CN110094317B (en) | 2019-04-15 | 2019-04-15 | Oil field water injection pump economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298481.1A CN110094317B (en) | 2019-04-15 | 2019-04-15 | Oil field water injection pump economizer system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094317A CN110094317A (en) | 2019-08-06 |
| CN110094317B true CN110094317B (en) | 2023-12-15 |
Family
ID=67444922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910298481.1A Active CN110094317B (en) | 2019-04-15 | 2019-04-15 | Oil field water injection pump economizer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110094317B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287648B (en) * | 2020-03-24 | 2021-06-25 | 江苏天频植保科技有限公司 | Low-noise environment-friendly hydraulic power driven mechanical drilling equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319701A (en) * | 1964-05-13 | 1967-05-16 | Buehler Ag Geb | Pressure casting machine having a hydraulically loadable shot unit |
| US5993174A (en) * | 1994-08-23 | 1999-11-30 | Nikkiso Co., Ltd. | Pulsation free pump |
| CN101275571A (en) * | 2007-02-17 | 2008-10-01 | 普拉德研究及开发股份有限公司 | Submersible pumping system |
| CN101865103A (en) * | 2010-06-23 | 2010-10-20 | 徐正国 | Hydraulic reciprocating water injection pump and using method |
| CN209925158U (en) * | 2019-04-15 | 2020-01-10 | 刘锋 | Energy-saving system for water injection pump of oil field |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2511254C (en) * | 2005-08-04 | 2007-04-24 | Westport Research Inc. | High-pressure gas compressor and method of operating a high-pressure gas compressor |
-
2019
- 2019-04-15 CN CN201910298481.1A patent/CN110094317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319701A (en) * | 1964-05-13 | 1967-05-16 | Buehler Ag Geb | Pressure casting machine having a hydraulically loadable shot unit |
| US5993174A (en) * | 1994-08-23 | 1999-11-30 | Nikkiso Co., Ltd. | Pulsation free pump |
| CN101275571A (en) * | 2007-02-17 | 2008-10-01 | 普拉德研究及开发股份有限公司 | Submersible pumping system |
| CN101865103A (en) * | 2010-06-23 | 2010-10-20 | 徐正国 | Hydraulic reciprocating water injection pump and using method |
| CN209925158U (en) * | 2019-04-15 | 2020-01-10 | 刘锋 | Energy-saving system for water injection pump of oil field |
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| Publication number | Publication date |
|---|---|
| CN110094317A (en) | 2019-08-06 |
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