CN110318720B - Water distributor of wide-range orifice plate flowmeter - Google Patents
Water distributor of wide-range orifice plate flowmeter Download PDFInfo
- Publication number
- CN110318720B CN110318720B CN201910656634.5A CN201910656634A CN110318720B CN 110318720 B CN110318720 B CN 110318720B CN 201910656634 A CN201910656634 A CN 201910656634A CN 110318720 B CN110318720 B CN 110318720B
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- Prior art keywords
- square
- small
- flowmeter
- water
- flow
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 21
- 239000007924 injection Substances 0.000 abstract description 21
- 239000002332 oil field water Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Flow Control (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention belongs to the technical field of oilfield water injection, and in particular relates to a wide-range orifice plate flowmeter water distributor, which comprises: the device comprises a water inlet connector, a body connector, a large square flowmeter, a small square flowmeter and a flow regulating mechanism; a small square inlet, a large square inlet and an outlet are arranged in the body joint; the water inlets of the large square flowmeter and the small square flowmeter are connected with the water inlet joint; the water outlet of the large square flowmeter is connected with the large square inlet of the body joint; the water outlet of the small square flowmeter is connected with the small square inlet of the body joint; the flow regulating mechanism is arranged in the body joint. Has the advantages of simple structure and large measuring range of the flowmeter.
Description
Technical Field
The invention belongs to the technical field of oilfield water injection, and particularly relates to a wide-range orifice plate flowmeter water distributor.
Background
The fine separate layer water injection technology is one of core technologies for improving the recovery ratio of an oil field, and in recent years, in order to improve the development level of the oil field and realize the efficient development of oil reservoirs, petroleum workers are forced to develop separate layer water injection technology attack research, so that the oil reservoir development requirement is met to a certain extent, the problem of uneven water absorption caused by the difference between layers and in layers is solved, and the separate layer balanced injection and production development of the oil field is realized. In the implementation process of the separate layer water injection technology, the injection allocation amounts of all the oil layers are often quite different, and the flow measurement and adjustment range of the water distributor is matched with the injection allocation amounts of all the oil layers. The measuring range ratio of the orifice plate flowmeter used on the water distributor is 1:7, and the single-model water distributor cannot simultaneously meet the injection quantity requirement of each water injection layer in the same water injection well.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a wide-range orifice flowmeter water distributor. The technical problems to be solved by the invention are realized by the following technical scheme:
A wide range orifice flowmeter water distributor comprising: the device comprises a water inlet connector, a body connector, a large square flowmeter, a small square flowmeter and a flow regulating mechanism;
a small square inlet, a large square inlet and an outlet are arranged in the body joint; the water inlets of the large square flowmeter and the small square flowmeter are connected with the water inlet joint; the water outlet of the large square flowmeter is connected with the large square inlet of the body joint; the water outlet of the small square flowmeter is connected with the small square inlet of the body joint; the flow regulating mechanism is arranged in the body joint.
In one embodiment of the invention, the massive flowmeter comprises a massive flow tube and a massive orifice plate; the water inlet end of the large-square flow pipe is connected with the large-square orifice plate; the large number of square hole plates are connected with the water inlet joint; the water outlet of the large-square flow pipe is connected with the body joint.
In one embodiment of the invention, the small volume flow meter comprises a small volume flow tube and a small Fang Liang orifice plate; the water inlet end of the small square flow tube is connected with the small square orifice plate; the small square hole plate is connected with the water inlet joint; and the water outlet of the small square flow tube is connected with the body joint.
In one embodiment of the invention, the flow regulating mechanism comprises a motor, a travel control switch, a transmission structure, a sealing structure and a regulating valve core;
the motor is connected with one end of the transmission structure, the other end of the transmission structure is connected with the regulating valve core, and the regulating valve core is arranged in the sealing structure; and the travel control switch is connected with the regulating valve core.
In one embodiment of the invention, the transmission structure comprises a screw and a nut;
The screw rod and the nut form a screw rod nut pair, the screw rod is connected with the motor, and the nut is connected with the adjusting valve core.
The invention has the beneficial effects that:
the invention adopts the flow measuring part and the flow regulating part, the flow measuring part comprises a large flow meter and a small flow meter which independently work, the flow measuring part is controlled by the flow regulating part, and the measuring range of the flow meter is increased.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of a wide range orifice flowmeter water distributor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a wide-range orifice flowmeter water distributor according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a wide-range orifice flowmeter water distributor with a large-scale flowmeter in an open state according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a wide range orifice flowmeter water distributor with a small square flowmeter in an open state according to an embodiment of the present invention;
reference numerals:
1-a metal joint; 2-a large square volume flow meter; 21-large square flow tube; 22-large square-volume orifice plates; 3-small Fang Liang flow meter; 31-small square flow tube; 32-small Fang Liang well plates; 4-a flow regulating mechanism; 41-an electric motor; 42-travel control switch; 43-transmission structure; 44-sealing structure; 45-adjusting the valve core; 5-body joint.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but embodiments of the present invention are not limited thereto.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wide-range orifice flowmeter water distributor according to an embodiment of the present invention, including: the water inlet joint 1, the body joint 5, the large square flowmeter 2, the small square flowmeter 3 and the flow regulating mechanism 4;
A small square inlet, a large square inlet and an outlet are arranged in the body joint 5; the water inlets of the large square flowmeter 2 and the small square flowmeter 3 are connected with the water inlet joint 1; the water outlet of the large square flowmeter 2 is connected with the large square inlet of the body joint 5; the water outlet of the small square flowmeter 3 is connected with the small square inlet of the body joint 5; the flow regulating mechanism 4 is arranged in the body joint 5.
Specifically, the flow measurement range of the small-volume flowmeter 2 is 30-180m 3/d, the measurement range of the large-volume flowmeter 3 is 140-800m 3/d, the flow measurement range of the combined water distributor is 30-800m 3/d, and the range ratio of the water distributor is 1:27.
In one embodiment of the invention, the massive flowmeter comprises a massive flow tube 21 and a massive orifice plate 22; the water inlet end of the large-square flow pipe 21 is connected with the large-square orifice plate 22; the large square orifice plate 22 is connected with the water inlet joint 1; the water outlet of the large-square flow pipe 21 is connected with the body joint 5.
In one embodiment of the invention, the small volume flow meter comprises a small volume flow tube 31 and a small Fang Liangkong plate 32; the water inlet end of the small square flow tube 31 is connected with the small square pore plate 32; the small Fang Liangkong plate 32 is connected with the water inlet joint 1; the water outlet of the small square flow tube 31 is connected with the body joint 5.
Further, in other embodiments, a host computer is further included, where a pressure drop is generated when water flows through the large orifice plate 22 or the small orifice plate 32, and a differential pressure sensor on the large orifice plate 22 or the small orifice plate 32 measures the pressure drop and calculates the flow rate of water flowing through the large orifice plate 22 or the small orifice plate 32 by an algorithm, and sends the obtained flow rate of water to the host computer.
In one embodiment of the invention, the flow regulating mechanism comprises a motor 41, a travel control switch 42, a transmission structure 43, a sealing structure 44 and a regulating valve core 45;
The motor 41 is connected with one end of the transmission structure 43, the other end of the transmission structure 43 is connected with the regulating valve core 45, and the regulating valve core 45 is arranged in the sealing structure 44; the travel control switch 42 is connected to the regulator valve element 45.
Further, the sealing structure 44 is mounted on the adjusting valve core 45, when the sealing structure 44 moves under the drive of the transmission structure 43, the switching of the large-square-volume flowmeter and the small-square-volume flowmeter can be realized through different positions; the travel control switch 42 is connected to the regulating valve core 45, and the position of the regulating valve core 45 is limited by regulating the travel control switch 42 to prevent the regulating valve core from being separated.
In one embodiment of the invention, the transmission structure 43 comprises a screw and a nut;
The screw and the nut form a screw-nut pair, the screw is connected with the motor 41, and the nut is connected with the regulating valve core 45.
Specifically, referring to fig. 2, fig. 2 is a schematic diagram of an internal structure of a wide-range orifice flowmeter water distributor according to an embodiment of the present invention, in which a motor 41 drives a screw to rotate, a screw nut pair converts a rotational motion of the motor 41 into a linear motion of a nut, and the nut drives an adjusting valve core 45 to perform a linear motion.
The specific explanation is as follows:
The motor 41 drives the screw-nut pair to do linear motion, and the nut arranged on the adjusting valve core 45 drives the adjusting valve core 45 to move; when water injection operation is not needed, the motor 41 drives the regulating valve core 45 to move, and the sealing structure 44 sleeved on the regulating valve core 45 blocks the water outlet of the large-square flow tube 21 and the water outlet of the small-square flow tube 31, so that water cannot flow out; referring to fig. 3, fig. 3 is a schematic structural diagram of an open state of a large-square flow meter of a water distributor of a large-scale orifice plate flow meter, when large-scale water injection is needed, a motor 41 drives an adjusting valve core 45 to move leftwards, at this time, a water outlet of a small-square flow tube 31 is closed by a structure composed of the adjusting valve core 45 and a sealing structure 44, and a large-scale flow tube 21 is communicated with a water outlet of a body joint 5, so that large-scale water injection operation is realized; referring to fig. 4, fig. 4 is a schematic structural diagram of an open state of a small square flow meter of a wide-range orifice plate flowmeter water distributor, when small square water injection is needed, a motor 41 drives an adjusting valve core 45 to move rightwards, at this time, a water outlet of a large square flow tube 21 is closed by a structure formed by the adjusting valve core 45 and a sealing structure 44, and the small square flow tube 31 is communicated with a water outlet of a body joint 5, so that large square water injection operation is realized; when the water injection quantity is required to be regulated no matter the water injection quantity is large-volume water injection quantity or small-volume water injection quantity, the motor 41 can be controlled to drive the regulating valve core to move, and the purpose of changing the water injection quantity can be realized by changing the water outlet area of the large-volume flow pipe 21 or the small-volume flow pipe 31.
Still further, in other embodiments, the system may further include an upper computer, a control unit and a signal transmission unit, wherein an operator operates the upper computer to obtain downhole information, and sends an operation command to the control unit through the signal transmission unit, and the control unit sends the operation command to the motor 41 to control the switch and the rotation direction of the motor 41, so as to control the movement of the regulating valve core 45; at the same time, the travel control switch 42 may also be controlled to prevent the regulator spool from falling off.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (2)
1. A wide range orifice flowmeter water distributor, comprising: a water inlet joint (1), a body joint (5), a large square flowmeter (2), a small Fang Liang flowmeter (3) and a flow regulating mechanism (4);
a small square inlet, a large square inlet and an outlet are arranged in the body joint (5); the water inlets of the large square flowmeter (2) and the small Fang Liang flowmeter (3) are connected with the water inlet joint (1); the water outlet of the large square flowmeter (2) is connected with the large square inlet of the body joint (5); the water outlet of the small Fang Liang flowmeter (3) is connected with the small square inlet of the body joint (5); the flow regulating mechanism (4) is arranged in the body joint (5);
The large-square flow meter comprises a large-square flow pipe (21) and a large-square orifice plate (22), and the small-square flow meter comprises a small-square flow pipe (31) and a small Fang Liangkong plate (32); -a differential pressure sensor is included on the large square orifice plate (22) or the small Fang Liangkong plate (32); the differential pressure sensor is used for calculating the water flow rate passing through the large square orifice plate (22) or the small Fang Liangkong plate (32) and sending the obtained water flow rate of the large square orifice plate (22) or the small Fang Liangkong plate (32) to an upper computer;
The flow regulating mechanism (4) is used for changing the water outlet area of the large-square-flow pipe (21) or the small-square-flow pipe (31);
the water inlet end of the large-square flow pipe (21) is connected with the large-square pore plate (22); the large number of hole plates (22) are connected with the water inlet joint (1); the water outlet of the large-square flow tube (21) is connected with the body joint (5);
the water inlet end of the small square flow tube (31) is connected with the small Fang Liangkong plate (32); the small Fang Liangkong plate (32) is connected with the water inlet joint (1); the water outlet of the small square flow tube (31) is connected with the body joint (5);
the flow regulating mechanism comprises a motor (41), a travel control switch (42), a transmission structure (43), a sealing structure (44) and a regulating valve core (45);
The motor (41) is connected with one end of the transmission structure (43), the other end of the transmission structure (43) is connected with the adjusting valve core (45), and the adjusting valve core (45) is arranged in the sealing structure (44); the travel control switch (42) is connected with the regulating valve core (45).
2. The wide range orifice flowmeter water distributor of claim 1, wherein said drive structure (43) comprises a screw and a nut;
The screw and the nut form a screw-nut pair, the screw is connected with the motor (41), and the nut is connected with the regulating valve core (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656634.5A CN110318720B (en) | 2019-07-19 | 2019-07-19 | Water distributor of wide-range orifice plate flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656634.5A CN110318720B (en) | 2019-07-19 | 2019-07-19 | Water distributor of wide-range orifice plate flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318720A CN110318720A (en) | 2019-10-11 |
| CN110318720B true CN110318720B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910656634.5A Active CN110318720B (en) | 2019-07-19 | 2019-07-19 | Water distributor of wide-range orifice plate flowmeter |
Country Status (1)
| Country | Link |
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| CN (1) | CN110318720B (en) |
Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1627843A2 (en) * | 1987-05-25 | 1991-02-15 | Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им.Ленинского Комсомола | Partial hot-wire anemometer |
| JPH04299220A (en) * | 1991-03-28 | 1992-10-22 | Asahi Organic Chem Ind Co Ltd | Flowmeter |
| JPH08159321A (en) * | 1994-12-05 | 1996-06-21 | Fuji Koki Seisakusho:Kk | Motor-driven flow control valve |
| JP2001049709A (en) * | 1999-08-12 | 2001-02-20 | Kunihiro Mizuta | Activated water saving and regulating device in water faucet |
| JP2001108121A (en) * | 1999-10-13 | 2001-04-20 | Tgk Co Ltd | Mixing valve |
| CN2639857Y (en) * | 2003-08-28 | 2004-09-08 | 上海天信仪表有限公司 | Wide range flow control device |
| JP2008536114A (en) * | 2005-04-06 | 2008-09-04 | マイクロ・モーション・インコーポレーテッド | A compact vibratory flow meter for measuring the flow rate of multiphase flow materials |
| JP2010266208A (en) * | 2009-05-12 | 2010-11-25 | Morita Holdings Corp | Restriction type flowmeter |
| CN102116142A (en) * | 2011-03-17 | 2011-07-06 | 王志杰 | Water injection flow controller |
| CN102589623A (en) * | 2012-02-29 | 2012-07-18 | 秦武 | High-accuracy wide-range flow meter |
| CN103362486A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气股份有限公司 | Digital underground layering water injection testing and adjusting process pipe column and operation method thereof |
| CN203559889U (en) * | 2013-10-28 | 2014-04-23 | 中国石油化工股份有限公司 | Automatic adjustable water distributor |
| RU2548286C1 (en) * | 2014-03-19 | 2015-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный нефтяной технический университет" | Device to force fluid into injection well |
| CN204371265U (en) * | 2014-12-05 | 2015-06-03 | 中国石油天然气股份有限公司 | A kind of digital intelligent injection well downhole flow regulator |
| WO2016118913A1 (en) * | 2015-01-23 | 2016-07-28 | Cameron International Corporation | System and method for fluid injection |
| CN206246101U (en) * | 2016-11-18 | 2017-06-13 | 中国石油化工股份有限公司 | A kind of long-acting injection well downhole flow regulator of bridge type mechanism low discharge |
| CN107013194A (en) * | 2017-06-16 | 2017-08-04 | 南京叁拾壹度机电设备有限公司 | A kind of intelligent watering device and its remote auto survey allotment water system |
| CN206816240U (en) * | 2017-06-16 | 2017-12-29 | 南京叁拾壹度机电设备有限公司 | A kind of intelligent watering device |
| CN207377548U (en) * | 2017-09-27 | 2018-05-18 | 武汉三江航天远方科技有限公司 | The adjustable injection well downhole flow regulator of downhole flow |
| CN108071377A (en) * | 2016-11-18 | 2018-05-25 | 中国石油化工股份有限公司 | The long-acting injection well downhole flow regulator of the small flow of bridge type mechanism |
| CN108166958A (en) * | 2017-12-26 | 2018-06-15 | 四川省科学城久利电子有限责任公司 | A kind of shunting intelligent watering device for oil field big flow water filling |
| CN108180000A (en) * | 2017-12-29 | 2018-06-19 | 中国石油大学(华东) | A kind of anti-return automatically controlled spits one way entrapped water valve |
| CN108240207A (en) * | 2016-12-23 | 2018-07-03 | 中国石油天然气股份有限公司 | The seperated layer water injection injection well downhole flow regulator and method of self-balancing |
| CN108915651A (en) * | 2018-07-27 | 2018-11-30 | 中国石油天然气股份有限公司 | A kind of concentric constant pressure injection well downhole flow regulator of bridge-type |
| EP3470953A1 (en) * | 2017-10-12 | 2019-04-17 | Xiamen Solex High-tech Industries Co., Ltd. | Low-pressure high-flow shower |
| CN210460613U (en) * | 2019-07-19 | 2020-05-05 | 西安思坦仪器股份有限公司 | Wide-range orifice plate flowmeter water distributor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8984961B2 (en) * | 2012-02-21 | 2015-03-24 | Halliburton Energy Services, Inc. | Pressure differential flow meter including a constriction device that can create multiple areas of constriction |
-
2019
- 2019-07-19 CN CN201910656634.5A patent/CN110318720B/en active Active
Patent Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1627843A2 (en) * | 1987-05-25 | 1991-02-15 | Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им.Ленинского Комсомола | Partial hot-wire anemometer |
| JPH04299220A (en) * | 1991-03-28 | 1992-10-22 | Asahi Organic Chem Ind Co Ltd | Flowmeter |
| JPH08159321A (en) * | 1994-12-05 | 1996-06-21 | Fuji Koki Seisakusho:Kk | Motor-driven flow control valve |
| JP2001049709A (en) * | 1999-08-12 | 2001-02-20 | Kunihiro Mizuta | Activated water saving and regulating device in water faucet |
| JP2001108121A (en) * | 1999-10-13 | 2001-04-20 | Tgk Co Ltd | Mixing valve |
| CN2639857Y (en) * | 2003-08-28 | 2004-09-08 | 上海天信仪表有限公司 | Wide range flow control device |
| JP2008536114A (en) * | 2005-04-06 | 2008-09-04 | マイクロ・モーション・インコーポレーテッド | A compact vibratory flow meter for measuring the flow rate of multiphase flow materials |
| JP2010266208A (en) * | 2009-05-12 | 2010-11-25 | Morita Holdings Corp | Restriction type flowmeter |
| CN102116142A (en) * | 2011-03-17 | 2011-07-06 | 王志杰 | Water injection flow controller |
| CN102589623A (en) * | 2012-02-29 | 2012-07-18 | 秦武 | High-accuracy wide-range flow meter |
| CN103362486A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气股份有限公司 | Digital underground layering water injection testing and adjusting process pipe column and operation method thereof |
| CN203559889U (en) * | 2013-10-28 | 2014-04-23 | 中国石油化工股份有限公司 | Automatic adjustable water distributor |
| RU2548286C1 (en) * | 2014-03-19 | 2015-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный нефтяной технический университет" | Device to force fluid into injection well |
| CN204371265U (en) * | 2014-12-05 | 2015-06-03 | 中国石油天然气股份有限公司 | A kind of digital intelligent injection well downhole flow regulator |
| WO2016118913A1 (en) * | 2015-01-23 | 2016-07-28 | Cameron International Corporation | System and method for fluid injection |
| CN108071377A (en) * | 2016-11-18 | 2018-05-25 | 中国石油化工股份有限公司 | The long-acting injection well downhole flow regulator of the small flow of bridge type mechanism |
| CN206246101U (en) * | 2016-11-18 | 2017-06-13 | 中国石油化工股份有限公司 | A kind of long-acting injection well downhole flow regulator of bridge type mechanism low discharge |
| CN108240207A (en) * | 2016-12-23 | 2018-07-03 | 中国石油天然气股份有限公司 | The seperated layer water injection injection well downhole flow regulator and method of self-balancing |
| CN206816240U (en) * | 2017-06-16 | 2017-12-29 | 南京叁拾壹度机电设备有限公司 | A kind of intelligent watering device |
| CN107013194A (en) * | 2017-06-16 | 2017-08-04 | 南京叁拾壹度机电设备有限公司 | A kind of intelligent watering device and its remote auto survey allotment water system |
| CN207377548U (en) * | 2017-09-27 | 2018-05-18 | 武汉三江航天远方科技有限公司 | The adjustable injection well downhole flow regulator of downhole flow |
| EP3470953A1 (en) * | 2017-10-12 | 2019-04-17 | Xiamen Solex High-tech Industries Co., Ltd. | Low-pressure high-flow shower |
| CN108166958A (en) * | 2017-12-26 | 2018-06-15 | 四川省科学城久利电子有限责任公司 | A kind of shunting intelligent watering device for oil field big flow water filling |
| CN108180000A (en) * | 2017-12-29 | 2018-06-19 | 中国石油大学(华东) | A kind of anti-return automatically controlled spits one way entrapped water valve |
| CN108915651A (en) * | 2018-07-27 | 2018-11-30 | 中国石油天然气股份有限公司 | A kind of concentric constant pressure injection well downhole flow regulator of bridge-type |
| CN210460613U (en) * | 2019-07-19 | 2020-05-05 | 西安思坦仪器股份有限公司 | Wide-range orifice plate flowmeter water distributor |
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| Publication number | Publication date |
|---|---|
| CN110318720A (en) | 2019-10-11 |
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