CN220378419U - Energy-saving normal pressure water injection pump system device for oil field - Google Patents
Energy-saving normal pressure water injection pump system device for oil field Download PDFInfo
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- CN220378419U CN220378419U CN202322095728.4U CN202322095728U CN220378419U CN 220378419 U CN220378419 U CN 220378419U CN 202322095728 U CN202322095728 U CN 202322095728U CN 220378419 U CN220378419 U CN 220378419U
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- pump
- water injection
- injection pump
- normal pressure
- pressure water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002332 oil field water Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses an energy-saving oilfield normal pressure water injection pump system device, which comprises a water storage big tank and a serial pump set, wherein the serial pump set is provided with a front-mounted pump connected with the water storage big tank and a normal pressure water injection pump connected with the front-mounted pump, and the output end of the front-mounted pump is provided with an electric regulating valve; a bypass line connected in parallel with the pre-pump; an electromagnetic flowmeter arranged between the normal pressure water injection pump and the front-end pump; the first pressure sensor and the second pressure sensor are respectively arranged on the pipeline at the input end and the pipeline at the output end of the pre-pump; the third pressure sensor is arranged on the pipeline at the output end of the normal pressure water injection pump; the first, second and third pressure sensors, the pre-pump, the electric regulating valve and the electromagnetic flowmeter are connected with the pre-pump frequency conversion cabinet; the normal pressure water injection pump is connected with the water injection pump control cabinet. The utility model can ensure that the operation of the water injection pump is safer, more reliable and more energy-saving.
Description
Technical Field
The utility model relates to the technical field of energy conservation, in particular to an energy-saving oilfield normal pressure water injection pump system device.
Background
Oilfield flooding is an important effective measure for maintaining high and stable yield and obtaining higher income in oilfield development, and is one of the most important works in oil extraction production. At present, the power consumption of oilfield flooding generally accounts for more than 30-40% of the total power consumption of oilfield production, and the production cost of crude oil is greatly increased.
Because of the influence of factors such as the underground geological condition change of the oil field, flushing, insufficient water supply and the like, the injection allocation amount of the water injection system is different in different development periods, and the daily injection amount has larger fluctuation. Therefore, the oilfield water injection pump is designed and selected according to larger parameters, has a large margin, and needs to adjust the operation parameters to adapt to the exploitation requirements during operation. In general, there are the following disadvantages:
1. the traditional adjusting means is to manually control the opening degree of the outlet valve to adjust the operation parameters, so that the throttle control loss is large, the system operation efficiency is low, and the energy consumption is high.
2. The normal pressure water injection pump has large water injection flow and high pressure, the motor is a high-voltage motor with the speed of more than 1000kw, and the investment cost and the maintenance cost of the direct-added high-voltage frequency conversion device are high.
Disclosure of Invention
The utility model aims to provide an energy-saving normal pressure water injection pump system device for an oil field, which can reduce unnecessary throttling loss and ensure that a water injection pump runs more safely, reliably and energy-saving.
In order to solve the technical problems, the embodiment of the utility model provides an energy-saving oilfield normal pressure water injection pump system device, which comprises a water storage large tank, and further comprises:
the water storage tank comprises a serial pump set, a water storage tank and a water storage tank, wherein the serial pump set is provided with a pre-pump connected with the water storage tank and a normal pressure water injection pump connected with the pre-pump, the input end and the output end of the pre-pump are respectively provided with a control valve, and the output end of the pre-pump is provided with an electric control valve;
a bypass line connected in parallel with the pre-pump and provided with a control valve;
an electromagnetic flowmeter arranged between the normal pressure water injection pump and the front-end pump or at the inlet of the front-end pump;
the first pressure sensor and the second pressure sensor are respectively arranged on the pipeline at the input end and the pipeline at the output end of the pre-pump;
the third pressure sensor is arranged on the pipeline at the output end of the normal pressure water injection pump;
the first pressure sensor, the second pressure sensor, the pre-pump, the electric regulating valve, the electromagnetic flowmeter and the third pressure sensor are connected to the pre-pump frequency conversion cabinet;
the normal pressure water injection pump is connected to the water injection pump control cabinet.
Furthermore, the bypass pipeline adopts a U-shaped structure, one end of the bypass pipeline is distributed close to the large water storage tank, and the other end of the bypass pipeline is close to the normal pressure water injection pump.
Further, the control valves arranged at the input end and the output end of the pre-pump are mechanical control valves, and the mechanical control valve positioned at the output end of the pre-pump is positioned at the output end of the electric regulating valve.
Further, the output end of the normal pressure water injection pump is provided with a check valve and a mechanical control valve in sequence.
Further, the device formed by the first pressure sensor, the pre-pump, the electric regulating valve, the second pressure sensor, the electromagnetic flowmeter, the normal pressure water injection pump, the third pressure sensor, the pre-pump frequency conversion cabinet, the water injection pump control cabinet and the bypass pipeline is an integrated module.
The beneficial effects of the utility model are as follows:
1. the utility model can ensure that the operation of the water injection pump is safer, more reliable and more energy-saving.
2. The whole system can reduce unnecessary throttling loss.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving oilfield normal pressure water injection pump system device.
Detailed Description
The utility model is further described in connection with the following embodiments in order to make the technical means, the creation features, the achievement of the purpose and the effect of the utility model easy to understand.
The utility model also provides an energy-saving oilfield normal pressure water injection pump system device, which comprises a water storage large tank 1, and pumps water from the water storage large tank 1 to oilfield water injection. It should be noted that the energy-saving oilfield normal pressure water injection pump system device also comprises a tandem pump set consisting of a front pump and a normal pressure water injection pump, wherein the front pump 3 of the tandem pump set is connected with the water storage large tank, and the normal pressure water injection pump 7 is connected with the front pump in series. The utility model provides a water storage tank, including the pump, the pump is connected to the pump, has the pump input water supply pipeline of leading between pump and the water storage tank, and the control valve (including but not limited to mechanical control valve) is installed to the pump input water supply pipeline of leading, is provided with pump output water supply pipeline of leading in the output of pump, and pump output water supply pipeline of leading is connected to ordinary pressure water injection pump 7, check valve and mechanical control valve are installed in proper order to the output of ordinary pressure water injection pump 7, and the check valve can avoid the condition such as back flow to appear in the system. The water supply pipeline at the output end of the pre-pump is sequentially provided with an electric regulating valve 4 and a control valve (including but not limited to a mechanical control valve). The control valve that the input and the output of pre-pump set up is mechanical control valve to do benefit to manual regulation, and the mechanical control valve that is located the pre-pump output is then located the output of electric control valve 4, through add a mechanical control valve at the output of electric control valve, increases human intervention's ability, avoids electric control valve inefficacy to lead to the disorder of system.
It should be noted that, the pump inlet and outlet water supply lines are provided with a bypass line 11 connected in parallel with the pump, and a filtering device, such as a built-in filter screen, may be provided in the bypass line, and the built-in filter screen structure may be provided with a plug-in filter screen in the bypass line, and the plug-in filter screen is provided with flanges at both ends, and is mounted on the matched bypass line through the flange structure, and the bypass line is mounted with a bypass line control valve, such as a mechanical control valve or an electric control valve. When the preposed pump is in fault maintenance, the front and rear valves of the preposed pump are closed, the bypass valve is opened, and the water injection pump is independently added with water injection, so that the influence on production is avoided. The bypass pipeline adopts a U-shaped structure, the left end of the bypass pipeline is close to the water storage large tank and the right end of the bypass pipeline is close to the normal pressure water injection pump, so that the pipeline is beneficial to nearby water taking, and the interference of intermediate equipment is also beneficial to reduction.
With continued reference to fig. 1, to improve the intelligence of the system, an electromagnetic flowmeter 6 is installed between the normal pressure water injection pump 7 and the pre-pump 3 or at the inlet of the pre-pump 3, so as to measure the water supply flow in real time. The first pressure sensor 2 is installed on the pipeline at the input end of the pre-pump, the second pressure sensor 5 is installed on the pipeline at the output end of the pre-pump, the first pressure sensor 2 detects the inlet pressure of the pre-pump 3 (the liquid level of the large water storage tank 1) in real time, the first pressure sensor 2 aims at realizing the water shortage protection function, and the second pressure sensor 5 detects the outlet pressure of the pre-pump 3 (the inlet pressure of the normal-pressure water injection pump 7) in real time. The output end pipeline of the normal pressure water injection pump 7 is provided with a third pressure sensor 8, and the third pressure sensor 8 detects the outlet pressure of the normal pressure water injection pump 7 in real time. The electromagnetic flowmeter 6, the first pressure sensor, the second pressure sensor and the third pressure sensor are all connected to a pre-pump frequency conversion cabinet 9. The pre-pump variable frequency cabinet 9 is also connected with the pre-pump 3 and the electric regulating valve 4.
The water supply pipeline at the output end of the normal pressure water injection pump 7 is provided with a control valve, and the normal pressure water injection pump 7 is connected with a water injection pump control cabinet 10.
The whole system transmits the pressure and flow data detected in real time to the pre-pump frequency conversion cabinet 9. The control modes of manual, automatic, remote control and the like can be adopted. The control system compares the detection data with the setting data, adopts the control adjustment of which the frequency conversion adjustment is mainly and the electric adjusting valve 4 is auxiliary for the front-mounted pump, adapts to the characteristic change of a pipe network according to the water injection requirement, and reduces the pressure of the pump outlet to be as close as possible to the back pressure of the system, thereby achieving the maximum energy-saving state.
Of course, the devices formed by the first pressure sensor 2, the pre-pump 3, the electric control valve 4, the second pressure sensor 5, the electromagnetic flowmeter 6, the normal pressure water injection pump 7, the third pressure sensor 8, the pre-pump variable frequency cabinet 9, the water injection pump control cabinet 10 and the bypass pipeline 11 can be used as integrated modules for being supplied to the site, and at the moment, the whole device is an integrated module product, and the links can be installed in sections on the site according to the requirement.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (5)
1. Energy-saving oil field normal pressure water injection pump system device, it includes the big jar of water storage, its characterized in that, it still includes:
the water storage tank comprises a serial pump set, a water storage tank and a water storage tank, wherein the serial pump set is provided with a pre-pump connected with the water storage tank and a normal pressure water injection pump connected with the pre-pump, the input end and the output end of the pre-pump are respectively provided with a control valve, and the output end of the pre-pump is provided with an electric control valve;
a bypass line connected in parallel with the pre-pump and provided with a control valve;
an electromagnetic flowmeter arranged between the normal pressure water injection pump and the front-end pump or at the inlet of the front-end pump;
the first pressure sensor and the second pressure sensor are respectively arranged on the pipeline at the input end and the pipeline at the output end of the pre-pump;
the third pressure sensor is arranged on the pipeline at the output end of the normal pressure water injection pump;
the first pressure sensor, the second pressure sensor, the pre-pump, the electric regulating valve, the electromagnetic flowmeter and the third pressure sensor are connected to the pre-pump frequency conversion cabinet;
the normal pressure water injection pump is connected to the water injection pump control cabinet.
2. The energy-saving oilfield normal pressure water injection pump system device according to claim 1, wherein the bypass pipeline adopts a U-shaped structure, one end of the bypass pipeline is distributed near the water storage large tank, and the other end of the bypass pipeline is near the normal pressure water injection pump.
3. The energy-saving oilfield normal pressure water injection pump system device according to claim 1, wherein the control valves arranged at the input end and the output end of the pre-pump are mechanical control valves, and the mechanical control valve positioned at the output end of the pre-pump is positioned at the output end of the electric control valve.
4. The energy-saving oilfield normal pressure water injection pump system device according to claim 1, wherein the output end of the normal pressure water injection pump is sequentially provided with a check valve and a mechanical control valve.
5. The energy-saving oilfield normal pressure water injection pump system device according to any one of claims 1-4, wherein the device formed by the first pressure sensor, the pre-pump, the electric regulating valve, the second pressure sensor, the electromagnetic flowmeter, the normal pressure water injection pump, the third pressure sensor, the pre-pump variable frequency cabinet, the water injection pump control cabinet and the bypass pipeline is an integrated module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095728.4U CN220378419U (en) | 2023-08-04 | 2023-08-04 | Energy-saving normal pressure water injection pump system device for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095728.4U CN220378419U (en) | 2023-08-04 | 2023-08-04 | Energy-saving normal pressure water injection pump system device for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378419U true CN220378419U (en) | 2024-01-23 |
Family
ID=89562314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095728.4U Active CN220378419U (en) | 2023-08-04 | 2023-08-04 | Energy-saving normal pressure water injection pump system device for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378419U (en) |
-
2023
- 2023-08-04 CN CN202322095728.4U patent/CN220378419U/en active Active
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