CN108166958B - A shunting intelligence injection mandrel for large-traffic water injection in oil field - Google Patents
A shunting intelligence injection mandrel for large-traffic water injection in oil field Download PDFInfo
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- CN108166958B CN108166958B CN201711433254.2A CN201711433254A CN108166958B CN 108166958 B CN108166958 B CN 108166958B CN 201711433254 A CN201711433254 A CN 201711433254A CN 108166958 B CN108166958 B CN 108166958B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 238000002347 injection Methods 0.000 title claims abstract description 58
- 239000007924 injection Substances 0.000 title claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement 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
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Hydraulic Turbines (AREA)
- Flow Control (AREA)
Abstract
The invention discloses a split-flow type intelligent water distributor for large-flow water injection in an oil field, which comprises a main body, a motor, a limiting device, an adjustable water nozzle and an electromagnetic flow meter body, wherein the motor, the limiting device and the water nozzle are arranged on a main body mounting hole, a water flow ring groove channel with a water dividing hole is formed in the main body, a water inlet of the water nozzle is communicated with the water flow ring groove channel with the water dividing hole, the electromagnetic flow meter is arranged on a main water inlet hole reserved in the main body in advance, injected liquid flow enters the water nozzle through the main water inlet hole and a plurality of water dividing holes and enters the stratum from the water outlet hole in the main body, and large-flow water injection.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation, in particular to a split-flow type intelligent water distributor for large-flow water injection in an oilfield.
Background
The traditional intelligent water distributor generally has smaller injection amount during water injection, a smaller water flow passage can generate high flow resistance and pressure difference, and single-layer injection amount and test precision are limited, for example, in offshore oil fields and oil wells with higher difficulty, single operation time of water injection is long, the difficulty is high, the cost is high, the water injection requirement is also high, the water injection amount is required to be high, the working reliability and the precision are also required to be high, the water injection amount required by construction operation is difficult to achieve due to the small flow passage of the traditional intelligent water distributor, the water injection precision is not required to be achieved, and a large-flow split-flow water distributor similar to the mature water injection flow is not available in the market at present, so that the requirements of large-flow, reliability and high-precision test of water injection during oil field construction operation.
Disclosure of Invention
The invention provides a flow-dividing type intelligent water distributor for large-flow water injection in an oil field, which adopts an electric-drive adjustable water nozzle structure with a water flow ring groove flow channel with a water dividing hole and capable of automatically adjusting the injection amount of a stratum, solves the problem that the intelligent water distributor cannot meet the injection amount when a water injection well injects water at a large flow rate in the oil field in the prior art, and ensures the requirements of large-flow, reliability and high-precision tests of the water injection during the construction operation of the oil field.
The invention provides a split-flow type intelligent water distributor for large-flow water injection in an oil field, which comprises a main body, a motor, a limiting device, an adjustable water nozzle and an electromagnetic flowmeter, wherein the main body is provided with a water inlet and a water outlet; the motor, the limiting device and the adjustable water nozzle are sequentially installed in the inner installation hole of the main body, the main body is provided with a water flow ring groove channel, the bottom of the water flow ring groove channel is provided with a water dividing hole, the side face of the water flow ring groove channel is connected with a main water inlet with an electromagnetic flowmeter, and meanwhile, the water flow ring groove channel is connected with a liquid channel of the adjustable water nozzle.
Furthermore, the main body is also provided with a water outlet hole, and liquid flowing through the main flow channel enters the water nozzle along the water flow ring groove channel through the main water inlet and the water inlet holes and flows into the stratum through the water nozzle and the water outlet holes.
Further, an electromagnetic coil former is included to mount the exterior of the electromagnetic flow meter.
Furthermore, the motor, the limiting device, the adjustable water nozzle, the electromagnetic flowmeter and the electromagnetic coil rack are respectively positioned on two sides of the water outlet hole on the main body and are positioned in the same plane.
Furthermore, a plurality of water inlet holes are formed in the bottom of the water flow ring groove channel.
Further, the inner mounting hole is a mounting hole with steps.
Furthermore, the motor and the limiting device form a whole and are connected with the adjustable water nozzle.
Furthermore, the motor drives the adjusting part of the adjustable water nozzle to move through the limiting device, and the water injection amount is automatically adjusted.
Further, still include urceolus, end, wire passing pipe, cutting ferrule subassembly.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention designs the overflowing ring groove and a plurality of water separating holes which are directly communicated with the overflowing ring groove on the basis of the existing intelligent water distributor, so that more injected liquid can pass through the inflow adjustable water nozzle, and simultaneously, the flow velocity of the fluid passing through the main water inlet of the electromagnetic flowmeter is controlled by adopting a flow separating mode, so that the flow testing precision is ensured, the application of large flow on the intelligent water distributor is realized, the water injection efficiency is improved, and the intelligent water distributor can meet the requirement of large flow operation in an oil field.
2. The water nozzle driving structure of the invention is that the motor and the limiting structure form a whole and then are connected with the adjustable water nozzle, the motor, the limiting structure and the adjustable water nozzle are fixed in a mounting hole with steps of the main body and form a water injection flow channel, the motor is driven to rotate through a program and an instruction and is driven to a driving shaft in the adjustable water nozzle through the limiting device to drive the water nozzle adjusting part to move, the water injection amount can be accurately controlled through program control, the efficiency is improved, and the operation time and the number of people are reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is an overall structure diagram of a split-flow intelligent water distributor for large-flow water injection.
Reference numbers and corresponding part names in the drawings:
1. an electric motor; 2. a limiting device; 3. a water nozzle; 4 a main body; 5. an electromagnetic flow meter; 6. an electromagnetic coil former; 7. an outer cylinder; 8. a lower end head; 9. a ferrule assembly; 10. a wire passing pipe.
Fig. 2 is an axial cross-sectional view of the overall structure of fig. one.
Fig. 3 is a structure diagram of an internal flow passage of the split-flow intelligent water distributor for large-flow water injection.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1-3, the invention relates to a split-flow intelligent water distributor for large-flow water injection in an oil field, which comprises a main body 4, wherein the main body 4 is a body, a motor 1, a limiting device 2 and an adjustable water nozzle 3 are sequentially installed on an internal mounting hole of the main body 4, the motor 1, the limiting device 2 and the water nozzle 3 are installed in an installation hole of the main body 4 after being assembled, and the motor 1 drives a valve core of the water nozzle 3 to move through the limiting device 2 so as to adjust the injection amount. A water flow ring groove channel 13 is formed on the main body 4, and a plurality of water inlet flow dividing channels 17 are formed on the water flow ring groove channel 13 to ensure large flow.
Rivers annular channel 13 is for having opened an annular channel on main part 4, it has a plurality of branch water inlets 12 (corresponding a plurality of branch water inlet runner 17) to open in the bottom of annular channel, the side has connect a main water inlet (the runner 15 that corresponds main water inlet) with electromagnetic flowmeter 5, also the flowmeter detects the runner, the liquid channel of annular channel and adjustable water injection mouth 3 is connected simultaneously, the part is joined in marriage notes liquid and is poured into adjustable water injection mouth 3 through a plurality of branch water inlets 12 into, the water injection rate has been improved, through increaseing the volume that flows through liquid, realize that the control is joined in marriage the purpose of annotating large-traffic liquid, realize large-traffic water injection.
According to the invention, the bottom of the fluid passing ring groove is provided with the plurality of water inlet holes 12 and the main water inlet with the electromagnetic flowmeter 5 for simultaneously feeding water, so that the flow velocity of the main water inlet of the electromagnetic flowmeter 5 is reduced, and the flow testing precision is ensured.
Adjustable water injection well choke links together in stop device 2 and motor 1, constitute a whole, be connected with adjustable water injection well choke 3 again, adjustable water injection well choke 3 and stop device 2 and motor 1 are all installed on an installation through-hole of main part 4, this through-hole communicates with each other with the rivers annular on the main part 4, form water injection runner 14, the water injection runner that forms links to each other with adjustable water injection well choke 3's liquid flow channel again, the rivers that are about to a plurality of minute water inlet 12 and main water inlet all concentrate adjustable water injection well choke 3 departments through the rivers annular, then adjust the back through the adjustable water injection well choke of electric drive, again by the apopore 11 of main part 4, pour into the stratum.
The main water inlet channel of the main water inlet on the main body 4, the branch water inlet channel of the branch water inlet hole, the water flow ring groove channel 13 and the water injection channel of the adjustable water nozzle 3 are all in a communicated state, so that the liquid flow of the main water inlet channel and the branch water inlet channel can enter the water injection channel along the water flow ring groove channel, then enters the water nozzle 3 through the water injection channel, and enters the stratum through the water outlet hole 11 of the water nozzle 3.
The electromagnetic flowmeter 5 and the electromagnetic coil rack 6 are sequentially installed outside the water inlet hole of the main body 4, the electromagnetic flowmeter 5 is installed on a flow channel of the main water inlet hole of the main body 4, the electromagnetic coil rack 6 is installed outside the electromagnetic flowmeter 5, the flow is measured through an electromagnetic technology, when the water distributor works normally, the electromagnetic flowmeter 5 measures the flow of the main water inlet flow channel, the injection amount can be directly obtained through full-flow-concentration calibration, and the direct measurement of the single-layer injection flow of the oil field can be realized.
The water tap comprises a motor 1, a limiting device 2, an adjustable water nozzle 3 and an electromagnetic flowmeter 5, wherein an electromagnetic coil rack 6 is respectively positioned on two sides of a water outlet hole on a main body 4 and is positioned on the same plane.
As shown in fig. 1-2, the water distributor further comprises an outer cylinder 7, a lower end 8, a wire passing pipe 10 and a ferrule assembly 9; the main part 4 is the tubular structure, and the main part outside still is provided with urceolus 7, and the main part tip is provided with down end 8, is provided with the spool through the cutting ferrule subassembly on the lower end 8.
The working principle of the split-flow intelligent water distributor for single-layer large-flow water injection of the oil field is as follows:
the main body 4 is provided with an annular groove channel 13 with a plurality of water inlet holes 12, the annular groove channel 13 is communicated with the adjustable water nozzle 3, the limiting device 2 and an inner mounting hole arranged on the motor 1 through water injection, namely, the water flow ring groove channel 13 is communicated with the liquid flow channel of the adjustable water nozzle 3, the flow channel 17 of the water inlet and the flow channel 15 of the main water inlet (also the flow detection flow channel of the electromagnetic flowmeter 5) are communicated with the water flow ring groove channel 13, therefore, the injection liquid which is prepared through the main flow passage 16 injects more liquid into the injection flow passage of the adjustable water nozzle 3 through the water inlet, the main water inlet and the annular groove passage through such a flow passage system, the motor 1 is controlled to rotate, through stop device 2, on the drive shaft of transmission in adjustable water injection well choke 3, drive the case motion of water injection well choke, realize the water yield of accurate control injection water injection runner, the apopore that sends to on the main part 4 after the regulation is arranged to the stratum.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A split-flow intelligent water distributor for large-flow water injection in oil fields is characterized by comprising a main body, a motor, a limiting device, an adjustable water nozzle and an electromagnetic flowmeter; the inner mounting hole of the main body is internally provided with a motor, a limiting device and an adjustable water nozzle in sequence, the main body is provided with a water flow ring groove channel, the bottom of the water flow ring groove channel is provided with a water inlet, the side surface of the water flow ring groove channel is connected with a main water inlet with an electromagnetic flowmeter, and the water flow ring groove channel is connected with a liquid channel of the adjustable water nozzle; the main part is also provided with a water outlet hole, and liquid flowing through the main flow channel enters the water nozzle along the water flow ring groove channel through the main water inlet and the branch water outlet hole and flows into the stratum through the water nozzle and the water outlet hole.
2. The water distributor of claim 1, further comprising an electromagnetic coil former mounting an exterior of the electromagnetic flow meter.
3. The water distributor according to claim 2, wherein the motor, the limiting device, the adjustable water nozzle, the electromagnetic flow meter and the electromagnetic coil rack are respectively positioned on two sides of the water outlet hole on the main body and are positioned in the same plane.
4. The water distributor according to claim 1, wherein a plurality of water inlet branch holes are formed in the water flow ring groove passage.
5. The water distributor as defined in claim 1, wherein the inner mounting hole is a stepped mounting hole.
6. The water distributor as claimed in claim 1, wherein the motor is integral with the stop means and is connected to the adjustable nozzle.
7. The water distributor as claimed in claim 6, wherein the motor drives the adjusting part of the adjustable water nozzle to move through a limiting device, so as to automatically adjust the water injection amount.
8. The water distributor as defined in claim 1, further comprising an outer barrel, a tip, a conduit and a ferrule assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711433254.2A CN108166958B (en) | 2017-12-26 | 2017-12-26 | A shunting intelligence injection mandrel for large-traffic water injection in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711433254.2A CN108166958B (en) | 2017-12-26 | 2017-12-26 | A shunting intelligence injection mandrel for large-traffic water injection in oil field |
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| Publication Number | Publication Date |
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| CN108166958A CN108166958A (en) | 2018-06-15 |
| CN108166958B true CN108166958B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711433254.2A Active CN108166958B (en) | 2017-12-26 | 2017-12-26 | A shunting intelligence injection mandrel for large-traffic water injection in oil field |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236251A (en) * | 2018-08-14 | 2019-01-18 | 中国海洋石油集团有限公司 | Remote control seperated layer water injection system |
| CN109083623B (en) * | 2018-08-23 | 2021-01-05 | 东北石油大学 | Intelligent underground layered water injection flow adjusting system |
| CN109723425B (en) * | 2018-12-12 | 2023-08-18 | 四川省科学城久利电子有限责任公司 | Flowmeter for oil pipe of oilfield water injection well |
| CN110107265B (en) * | 2019-05-09 | 2021-07-16 | 新疆华隆油田科技股份有限公司 | Intelligent water distributor |
| CN110318720B (en) * | 2019-07-19 | 2024-04-30 | 西安思坦仪器股份有限公司 | Water distributor of wide-range orifice plate flowmeter |
| CN110671083A (en) * | 2019-10-28 | 2020-01-10 | 中国海洋石油集团有限公司 | Multi-ultrasonic redundant flow measurement type intelligent water distributor |
| CN110685654B (en) * | 2019-10-29 | 2021-11-26 | 中国石油化工股份有限公司 | Small-diameter intelligent injection allocation device and use method thereof |
| CN111322042A (en) * | 2020-04-17 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution system for flow control and water injection measurement of first-level double strata of oil field |
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| CN2661920Y (en) * | 2003-10-12 | 2004-12-08 | 张真 | High displacement water distributor of oil field water injection well |
| CN2677609Y (en) * | 2003-12-16 | 2005-02-09 | 中国海洋石油总公司 | Multi-nozzle large displacement integral bridge type hollow water distributor |
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| CN108166958A (en) | 2018-06-15 |
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