CN202850958U - Jet flow pressure regulating device of injection well - Google Patents
Jet flow pressure regulating device of injection well Download PDFInfo
- Publication number
- CN202850958U CN202850958U CN 201220437748 CN201220437748U CN202850958U CN 202850958 U CN202850958 U CN 202850958U CN 201220437748 CN201220437748 CN 201220437748 CN 201220437748 U CN201220437748 U CN 201220437748U CN 202850958 U CN202850958 U CN 202850958U
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- China
- Prior art keywords
- pressure
- pipe
- injection well
- high pressure
- pressure water
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- Expired - Lifetime
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Abstract
The utility model relates to a jet flow pressure regulating device of an injection well. The jet flow pressure regulating device of the injection well is characterized by comprising a pump body, a high pressure spraying nozzle, a mixed pressure water output pipe, a low pressure water input pipe, a high pressure water input pipe and a controlling system. The pump body is in the shape of a cylinder, a channel communicated with the mixed pressure water output pipe is arranged inside the pump body, a telescopic hemispheric liquid input cavity is arranged at the lower portion of the channel, a throat pipe is arranged in the middle of the channel, and a buffering cavity expanding gradually is arranged on the upper portion of the channel. The top portion of the buffering cavity is connected with the mixed pressure water output pipe in a radial direction, and the liquid input cavity is connected with the low pressure water input pipe in the vertical direction. The high pressure spraying nozzle is hollow-cylinder-shaped, and the upper portion of the high pressure spraying nozzle is provided with a liquid spraying mouth, wherein the liquid spraying mouth gradually shrinks and is in match with the liquid input cavity. The lower portion of the high pressure spraying nozzle is connected with the high pressure water input pipe. A pressure regulating valve and a sensor are respectively arranged on the mixed pressure water output pipe, the high pressure water input pipe and the low pressure water input pipe, and each pressure regulating valve and each sensor are connected with the controlling system through wires. The jet flow pressure regulating device of the injection well is capable of regulating water injection pressure accurately, energy-saving and capable of being widely applied to water injection pressure regulating process of all kinds of offshore platform injection wells.
Description
Technical field
The utility model relates to a kind of water injection well pressure-regulating device, particularly about a kind of water injection well jet regulator that is applicable to offshore platform.
Background technology
The offshore platform flood pattern is only used the water filling water source of a pressure usually at present, and when carrying out the water filling operation, the needed actual water injection pressure of each water injection well is different, therefore, for the water injection pressure that can make each water injection well all meets the requirements, just need to reduce in the mode of the well head place of each water injection well employing throttling the hydraulic pressure in the Injection Well, thereby obtain to satisfy the water filling water source that this water injection well pressure rating requires, but the control accuracy of this step-down method is lower, and has caused a large amount of energy wastes.
Summary of the invention
The purpose of this utility model provides a kind ofly to be made based on the jet pump principle design, and easy accessibility is saved energy consumption, and can require according to the pressure rating of each water injection well the water injection well jet regulator of fine adjustment water injection pressure.
For achieving the above object, the utility model is taked following technical scheme: a kind of water injection well jet regulator is characterized in that: it comprises the pump housing, high pressure nozzle, mixed pressure outlet pipe, low pressure water inlet pipe, high-pressure intake pipe and control system; It is one cylindrical that the described pump housing is, and its inside is provided with a passage that is communicated with described mixed pressure outlet pipe, and the bottom of described passage is that hemispherical admission chamber, the middle part of a convergent is that a trunnion, top are the cushion chamber of a flaring; The top axle of described cushion chamber is to connecting described mixed pressure outlet pipe, the described low pressure water inlet pipe of the radial communication of described admission chamber; Described high pressure nozzle is the cylindrical of a hollow, and its top and described admission chamber are equipped with a tapered mouth spray, and the bottom is connected with described admission chamber, and the bottom connects described high-pressure intake pipe; Be respectively arranged with pressure-regulating valve on described mixed pressure outlet pipe, low pressure water inlet pipe and the high-pressure intake pipe and be used for monitoring pressure and the sensor of flow, and each pressure-regulating valve is connected by wire with sensor and is connected described control system.
The bottom of described high pressure nozzle is provided with a flange, and described flange is threaded connection in described admission chamber import department.
Described high pressure nozzle bottom is provided with a flange, and described flange is bolted in described admission chamber import department.
Adopt being connected of described high-pressure intake pipe and described high pressure nozzle a kind of with during flange is connected of being threaded.
Adopt being connected of described mixed pressure outlet pipe and low pressure water inlet pipe and the described pump housing a kind of with during flange is connected of being threaded.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is owing to being provided with a pump housing and a high pressure nozzle, in the pump housing, be provided with the cushion chamber of admission chamber, a trunnion and a flaring of a convergent, make the water under high pressure that enters from high pressure nozzle behind trunnion, form a negative pressuren zone at admission chamber, enter water injection well after making the low-pressure water that is inhaled into and water under high pressure mixing in cushion chamber, therefore realize the utility model based on the jet pump principle, regulated the purpose of water injection pressure.2, the utility model is owing to all being provided with sensor and the pressure-regulating valve of connection control system on high-pressure intake pipe, low pressure water inlet pipe and mixed pressure outlet pipe, therefore, by control system in can each water pipe of Real-time Obtaining pressure and the feedback signal of flow, and by analytical calculation, realization is to the control of each pressure-regulating valve, and then realization is satisfied the pressure rating requirement of different injection well to the accurate control of injection pressure.3, the utility model is owing to being connected high and low pressure water inlet pipe, mixed pressure outlet pipe or mode that flange connects is connected on the pump housing with high pressure nozzle, so the installation and removal process is simple, and cleans and repair also very convenient.4, the utility model device has avoided carrying out at the well head place in the prior art voltage regulating mode of well head throttling, having reduced water injecting pump provides the water supply volume of high-pressure water, thereby reduced the energy consumption of whole flood pattern, realize the purpose of harmless pressure regulation on ground, therefore can effectively reduce the water injecting consumption of water injection well.The utility model can the fine adjustment water injection pressure, and easy accessibility is saved energy consumption, and it can be widely used in the water injection pressure adjustment process of various offshore platform water injection wells.
Description of drawings
Fig. 1 is cross-sectional view of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model is based on the water injection well regulator that the jet pump principle design is made, and comprises the pump housing 1, high pressure nozzle 2, mixed pressure outlet pipe 3, low pressure water inlet pipe 4, high-pressure intake pipe 5 and control system 6.
It is one cylindrical that the pump housing 1 is, and the pump housing 1 top axle is to connecting mixed pressure outlet pipe 3, is provided with a passage that is communicated with mixed pressure outlet pipe 3 in the pump housing 1, and the bottom of passage is the hemispherical admission chamber 11 of convergent, and the middle part is a trunnion 12, and top is the cushion chamber 13 of a flaring.The radial communication one low pressure water inlet pipe 4 of admission chamber 11.
Arrange respectively by a pressure-regulating valve 7 on mixed pressure outlet pipe 3, low pressure water inlet pipe 4 and the high-pressure intake pipe 5 and be used for monitoring pressure and the sensor 8 of flow.Each pressure-regulating valve 7 and sensor 8 be channel wire connection control system 6 respectively.
In above-described embodiment, high pressure nozzle 2 bottoms can be adopted in high pressure nozzle 2 bottoms with being connected of admission chamber 11 one flange is set, be connected with admission chamber 11 imports by flange, one diameter also can be set in the bottom of high pressure nozzle 2 in the corresponding flange 22 of admission chamber 11 inlet diameters, flange 22 is connected to admission chamber 11 import departments by external screw thread.
In above-described embodiment, high-pressure intake pipe 5 is threaded or the various connected modes such as flange connection with can adopting being connected of high pressure nozzle 2,
In above-described embodiment, mixed pressure outlet pipe 3 is connected with the low pressure water inlet pipe and is threaded or the various connected modes such as flange connection with also can adopting being connected of the pump housing 1.
In above-described embodiment, various connections also can be adopted welding manner, but when adopting aforementioned variety of way, dismounting is more convenient.
During the utility model work, may further comprise the steps:
1) the water injection pressure value that satisfies water injection well is set in control system 6, high-pressure intake pipe 5 and low pressure water inlet pipe 4 are communicated with respectively corresponding water filling water source, mixed pressure outlet pipe 3 is communicated with water injection well;
2) beginning water filling, water under high pressure sprays in the pump housing 1 after high-pressure intake pipe 5 enters high pressure nozzle 2, at the high pressure nozzle 2 peripheral negative pressuren zones that form, make the low-pressure water in the low pressure water inlet pipe 4 be inhaled into admission chamber 11, enter cushion chamber 13 with water under high pressure through trunnion 12, in cushion chamber, form mixed pressure water, and flow into water injection well from mixed pressure outlet pipe 3;
3) control system 6 gathers pressure and the flow signal of mixed pressure outlet pipe 3 upper sensors 8, and compare with water injection pressure value that step 1) is set, pressure and flow signal according to low, high-pressure intake pipe 4,5 upper sensors 8 carries out analytical calculation again, and according to result of calculation each pressure-regulating valve 7 is regulated, to satisfy the water injection pressure value that enters water injection well of setting.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts and connected mode etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (6)
1. water injection well jet regulator, it is characterized in that: it comprises the pump housing, high pressure nozzle, mixed pressure outlet pipe, low pressure water inlet pipe, high-pressure intake pipe and control system;
It is one cylindrical that the described pump housing is, and its inside is provided with a passage that is communicated with described mixed pressure outlet pipe, and the bottom of described passage is that hemispherical admission chamber, the middle part of a convergent is that a trunnion, top are the cushion chamber of a flaring; The top axle of described cushion chamber is to connecting described mixed pressure outlet pipe, the described low pressure water inlet pipe of the radial communication of described admission chamber;
Described high pressure nozzle is the cylindrical of a hollow, and its top and described admission chamber are equipped with a tapered mouth spray, and the bottom is connected with described admission chamber, and the bottom connects described high-pressure intake pipe;
Be respectively arranged with pressure-regulating valve on described mixed pressure outlet pipe, low pressure water inlet pipe and the high-pressure intake pipe and be used for monitoring pressure and the sensor of flow, and each pressure-regulating valve is connected by wire with sensor and is connected described control system.
2. a kind of water injection well jet regulator as claimed in claim 1, it is characterized in that: the bottom of described high pressure nozzle is provided with a flange, and described flange is threaded connection in described admission chamber import department.
3. a kind of water injection well jet regulator as claimed in claim 1 is characterized in that: described high pressure nozzle bottom is provided with a flange, and described flange is bolted in described admission chamber import department.
4. such as claim 1 or 2 or 3 described a kind of water injection well jet regulators, it is characterized in that: adopt being connected of described high-pressure intake pipe and described high pressure nozzle a kind of with during flange is connected of being threaded.
5. such as claim 1 or 2 or 3 described a kind of water injection well jet regulators, it is characterized in that: adopt being connected of described mixed pressure outlet pipe and low pressure water inlet pipe and the described pump housing a kind of with during flange is connected of being threaded.
6. a kind of water injection well jet regulator as claimed in claim 4 is characterized in that: adopt being connected of described mixed pressure outlet pipe and low pressure water inlet pipe and the described pump housing a kind of with during flange is connected of being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437748 CN202850958U (en) | 2012-08-30 | 2012-08-30 | Jet flow pressure regulating device of injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437748 CN202850958U (en) | 2012-08-30 | 2012-08-30 | Jet flow pressure regulating device of injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850958U true CN202850958U (en) | 2013-04-03 |
Family
ID=47982168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220437748 Expired - Lifetime CN202850958U (en) | 2012-08-30 | 2012-08-30 | Jet flow pressure regulating device of injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202850958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817600A (en) * | 2012-08-30 | 2012-12-12 | 中国海洋石油总公司 | Jet flow pressure regulating device of water injection well |
| CN112253063A (en) * | 2020-09-15 | 2021-01-22 | 广州大学 | Annular flow generator |
-
2012
- 2012-08-30 CN CN 201220437748 patent/CN202850958U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817600A (en) * | 2012-08-30 | 2012-12-12 | 中国海洋石油总公司 | Jet flow pressure regulating device of water injection well |
| CN102817600B (en) * | 2012-08-30 | 2016-02-17 | 中国海洋石油总公司 | A kind of water injection well jet regulator |
| CN112253063A (en) * | 2020-09-15 | 2021-01-22 | 广州大学 | Annular flow generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |