CN110455355A - Downhole internal flow type electromagnetic flowmeter for water injection well - Google Patents
Downhole internal flow type electromagnetic flowmeter for water injection well Download PDFInfo
- Publication number
- CN110455355A CN110455355A CN201910716428.9A CN201910716428A CN110455355A CN 110455355 A CN110455355 A CN 110455355A CN 201910716428 A CN201910716428 A CN 201910716428A CN 110455355 A CN110455355 A CN 110455355A
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- Prior art keywords
- connector
- cable
- cavity
- circuit board
- water injection
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 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
- E21B47/00—Survey of boreholes or wells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides an underground internal flow type electromagnetic flowmeter of a water injection well, which comprises an upper connector body, an upper cable connector cavity, a pin body, a circuit board cavity, an upper connector, a lower connector, a cable connector assembly and a flowmeter main body, wherein the upper connector body is connected with the upper cable connector cavity; the upper cable joint cavity, the pin body and the circuit board cavity are sequentially spliced together and positioned outside the upper connecting body, and a circuit board is arranged in the circuit board cavity; the upper end of the upper connector is connected with the upper connector body, the lower end of the upper connector is connected with the lower connector body, and the other end of the lower connector is connected with the lower connector body; the flowmeter main body is positioned in the lower connector and is respectively connected with the upper connector and the lower connector; the lower cable joint cavity is connected with the lower connector in an inserting mode, and cable joint assemblies are arranged in the upper cable joint cavity and the lower cable joint cavity. The invention can realize direct detection of the downhole flow of the water injection well and accurately reflect the condition of the downhole fluid flow.
Description
Technical field
The present invention relates to downhole flow detection technique fields, particularly relate to a kind of water injection well underground in-flow Electromagnetic Flow
Meter, belongs to technical field of petroleum extraction.
Background technique
With going deep into for oil field development, water injection well dispenses the increase year by year of the number of plies, and the difficulty of zonal testing also increases year by year
Greatly, test job amount significantly improves.Water injection well layering measuring technology is improved, waterflooding development effect can be effectively improved, is into one
Step selects reasonable DP technology measure, and multilayer injection allocation scheme provides foundation.
The most common oil well flow measurement device in oil field is turbine flowmeter, pushes turbine to rotate using downhole fluid
Flow value is extrapolated with tachometer value.The characteristics of turbine flowmeter is that subsequent electronic circuit is simple, the water filling for monophasic fluid
The output well (oil well) of well and heterogeneous fluid.However, the environment due to underground is complicated, the fine sand and crude oil in some stratum are mixed in
Flow through turbine together, cause turbine stuck, thus success log ratio is lower, flows through turbine, causes turbine stuck, thus log well at
Power is lower, and in some serious oil wells husky out, turbine flowmeter is not available.Furthermore the mechanical rolling bearing of turbine is easily ground
Damage, maintenance workload is big, and service life is shorter and cannot constantly effectively be monitored to underground working.Ultrasonic flowmeter:
It is only used for measuring clean liquids and gases, underground medium oil mixing with water is unevenly to influence test effect.Therefore, it selects
With more flow test units of the electromagnetic flowmeter as multi-zone flow regulating equipment of underground working applicable performance.
Downhole flowmeter directly affects the quality of flood effectiveness to the accuracy of injection allocation water testing, therefore for high-precision
Degree downhole flow measuring and adjusting system has carried out developmental research.
Summary of the invention
In order to overcome the problems, such as that memory-type downhole flowmeter cannot detect downhole fluid flow in time, the present invention provides one
Kind water injection well underground in-flow electromagnetic flowmeter, the present invention can be realized the direct real-time detection to water filling downhole flow, accurately
Reflect the situation of down-hole liquid flow and the durable underground working for being suitble to various complexity.Flowmeter provided by the invention is according to electromagnetism
Induction is former, and liquid flows through electromagnetic flowmeter, forms electromotive force by cutting magnetic line, so that conversion obtains the flow of measured medium
Size.
The technical solution adopted by the present invention are as follows:
A kind of water injection well underground in-flow electromagnetic flowmeter, including upper joint body, upper cable connector cavity, pin body, circuit board
Cavity, upper connector, lower connector, lower joint body, cable connector assembly and flow meter body；The upper cable connector chamber
Body, pin body and circuit board room are successively plugged in together and are located at outside upper connector, are provided with circuit board in circuit board cavity body；
Upper connector upper end is connect with upper joint body, and upper connector lower end is connect with lower connector, the lower connector other end with
Lower joint body connection；The flow meter body is located in lower connector, and connect respectively with upper connector and lower joint body；It states
Lower cable connector cavity connect by way of grafting with lower connector, and lower cable connector cavity is located at outside lower joint body；
Cable connector assembly is equipped in the upper cable connector cavity and lower cable connector cavity；It is equipped in cable connector assembly
Steel armored cable, the steel armored cable are electrically connected with flow meter body.
The circuit board that the intracorporal steel armored cable of upper cable connector chamber passes through setting in pin body and circuit board cavity body
It connects, the electric wire on circuit board passes through the circular hole reserved in upper connector and connect with flow meter body one end, and flow meter body is another
One end is connect by the reserved circular hole on lower connector with the intracorporal steel armored cable of lower cable connector chamber.
The upper connector is threadedly coupled with flow meter body, and lower connector and upper joint body are threadedly coupled.
The lower cable connector cavity is equipped with cable connector pressure-pad, and cable connector pressure-pad is by cable connector assembly pressure
It fastens in lower cable connector cavity.
The circuit board room is equipped with the circuit board of flow meter body circuit board and control circuit.
The pin body is connect with circuit board room by pin bridge piece and contact pin locking nut.
The lower connector is threadedly coupled with lower joint body.
The lower connector and upper connector axial direction are equipped with corresponding preformed hole.
The lower connector is connected with upper connector by O-ring seal.
The invention has the benefit that
The present invention is connect by steel armored cable with flow meter body, and steel armored cable gives internal magnetization downhole flowmeter provided by the invention
Power supply makes its steady operation, and for the data of underground monitoring by steel armored cable real-time Transmission to ground, the present invention can be intuitive in real time
Downhole fluid flow-data is monitored, the difficulty of downhole fluid flow cannot be detected in time by overcoming memory-type downhole flowmeter.
The present invention realizes the direct detection to down-hole flow of water injection well, accurately reflects the situation of downhole fluid flow.
It is further detailed below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure, appended drawing reference are as follows: 1, upper joint body；2, upper cable connector cavity；3, pin body；4, pin bridge piece；5,
Contact pin locking nut；6, circuit board room；7, upper connector；8, lower connector；9, lower cable connector cavity；10, lower joint body；
11, cable connector pressure-pad；12, cable connector assembly；13, flow meter body.
Specific embodiment
Embodiment 1:
In order to overcome the problems, such as that memory-type downhole flowmeter cannot detect downhole fluid flow in time, the present invention provides such as Fig. 1
Shown in a kind of water injection well underground in-flow electromagnetic flowmeter, the present invention can be realized to water filling downhole flow direct real-time inspection
It surveys, accurately reflects the situation of down-hole liquid flow and the durable underground working for being suitble to various complexity.Flowmeter provided by the invention
According to electromagnetic induction original, liquid flows through electromagnetic flowmeter, forms electromotive force by cutting magnetic line, so that conversion obtains tested Jie
The uninterrupted of matter.
A kind of water injection well underground in-flow electromagnetic flowmeter, including upper joint body 1, upper cable connector cavity 2, pin body 3,
Circuit board room 6, upper connector 7, lower connector 8, lower joint body 10, cable connector assembly 12 and flow meter body 13；It is described
Upper cable connector cavity 2, pin body 3 and circuit board room 6 be successively plugged in together and be located at upper connector 7 outside, circuit board
Circuit board is provided in cavity 6；Upper 7 upper end of connector is connect with upper joint body 1, and upper 7 lower end of connector and lower connector 8 connect
It connects, 8 other end of lower connector is connect with lower joint body 10；The flow meter body 13 is located in lower connector 8, and
It is connect respectively with upper connector 7 and lower joint body 10；The lower cable connector cavity 9 and lower connector 8 stated are by way of grafting
Connection, and lower cable connector cavity 9 is located at outside lower joint body 10；The upper cable connector cavity 2 and lower cable connector cavity 9
Inside it is equipped with cable connector assembly 12；Steel armored cable, the steel armored cable and flowmeter are equipped in cable connector assembly 12
Main body 13 is electrically connected.
The course of work of the invention is as follows:
It goes into the well in operation process, the steel armored cable in lower part steel armored cable and upper cable connector cavity 2 is passed through into upper cable first
Lower part steel armored cable, is secondly connect with the steel armored cable in lower connector 8 by lower cable connector by connector connection.Upper joint body
1 is connected with oil pipe by corresponding pipe thread, and lower contact 10 is connected with oil pipe by corresponding pipe thread, the G.I.H together with oil pipe
Scheduled position.It is powered by steel armored cable to internal magnetization downhole flowmeter, makes its steady operation, the data of underground monitoring pass through
Steel armored cable real-time Transmission is to ground.
The present invention can directly monitoring downhole fluid flow-data in real time, overcoming memory-type downhole flowmeter cannot be timely
Detect the difficulty of downhole fluid flow.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, the steel armored cable in the upper cable connector cavity 2 passes through contact pin
The circuit board being arranged in body 3 and circuit board room 6 connect, the electric wire on circuit board pass through the circular hole reserved in upper connector 7 and
The connection of 13 one end of flow meter body, 13 other end of flow meter body pass through the reserved circular hole and lower cable connector on lower connector 8
Steel armored cable connection in cavity 9.
The upper connector 7 is threadedly coupled with flow meter body 13, and lower connector 8 and upper joint body 1 are threadedly coupled.
The lower cable connector cavity 9 is equipped with cable connector pressure-pad 11, and cable connector pressure-pad 11 is by cable connector
Component 12 is pressed abd fixed in lower cable connector cavity 9.
The circuit board room 6 is equipped with the circuit board of flow meter body circuit board and control circuit.
The pin body 3 is connect with circuit board room 6 by pin bridge piece 4 and contact pin locking nut 5.
The lower connector 8 is threadedly coupled with lower joint body 10.
The lower connector 8 and 7 axial direction of upper connector is equipped with corresponding preformed hole.
The lower connector 8 is connected with upper connector 7 by O-ring seal.
A kind of water injection well underground in-flow electromagnetic flowmeter provided by the invention, overall length are 1.1 meters, upper joint body 1
It is for connection to oil pipe with lower joint body 10, upper cable connector cavity 2 is for carrying pin body 3 and cable connector assembly
12.Circuit board room 6 is the circuit board for installing flow meter body circuit board and control circuit.Upper connector 7 and lower connection
Flow meter body 13 is connected and fixed by body 8.Lower cable connector cavity 9 is for carrying cable connector assembly 12, and cable connects
Head pressure-pad 11 be cable connector assembly 12 is pressed abd fixed on, lower cable connector cavity 9.Respective model is respectively adopted between each section
O-ring seal realize radial seal.
The seal protection and pin bridge piece 4 that steel armored cable passes through the cable connector assembly 12 in upper cable connector cavity 2
One end connection, the circuit board of 4 other end of pin bridge piece and flow meter body circuit board and control circuit in circuit board room 6
Connection, cross electric wire by upper connector 7 reserve circular hole connect with one end of flow meter body 13, flow meter body 13 it is another
One end is connect by the reserved circular hole on lower connector 8 with one end of the pin bridge piece 4 in lower cable connector cavity 9 again, under
The other end of 9 needle bridgeware 4 of cable connector cavity is connect with 9 steel armored cable of lower cable connector cavity.Upper cable connects in the present invention
Head cavity body 2, pin body 3, circuit board room 6, upper connector 7 are linked together by way of grafting, upper connector 7
Both ends are connect with upper joint body 1, flow meter body 13, lower connector 8 by the connection type of screw thread respectively.Lower connector 8 with
Lower cable connector cavity 9 is connected by way of grafting, and the external screw thread and lower joint body 10 of lower 8 one end of connector pass through screw thread
Connection type connection.The O-ring seal that respective model is respectively adopted between each section realizes radial seal.
The present invention goes into the well in operation process, first by the steel armored cable in lower part steel armored cable and upper cable connector cavity 2
It is connected by upper cable connector, secondly connects the steel armored cable in lower part steel armored cable and lower connector 8 by lower cable connector
It connects.Upper joint body 1 is connected with oil pipe by corresponding pipe thread, and lower contact 10 is connected with oil pipe by corresponding pipe thread, with oil pipe
The scheduled position of G.I.H together.It is powered by steel armored cable to internal magnetization downhole flowmeter, makes its steady operation, underground prison
The data of survey pass through steel armored cable real-time Transmission to ground.A kind of water injection well underground in-flow Electromagnetic Flow provided by the invention
Meter realizes the direct detection to down-hole flow of water injection well, accurately reflects the situation of downhole fluid flow.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.It is the device of detailed description in the present invention
Component and method are the prior art, will be no longer further detailed in the present invention.
Claims (9)
1. a kind of water injection well underground in-flow electromagnetic flowmeter, it is characterised in that: including upper joint body (1), upper cable connector chamber
Body (2), pin body (3), circuit board room (6), upper connector (7), lower connector (8), lower joint body (10), cable connector group
Part (12) and flow meter body (13)；Upper cable connector cavity (2), pin body (3) and the circuit board room (6) is successively inserted
It is connected together and is located at connector (7) outside, be provided with circuit board in circuit board room (6)；Upper connector (7) upper end with above connect
Head body (1) connects, and upper connector (7) lower end is connect with lower connector (8), lower connector (8) other end and lower contact
Body (10) connection；The flow meter body (13) is located in lower connector (8), and respectively with upper connector (7) and lower contact
Body (10) connection；The lower cable connector cavity (9) stated is connect by way of grafting with lower connector (8), and lower cable connector
Cavity (9) is located at lower joint body (10) outside；It is equipped in the upper cable connector cavity (2) and lower cable connector cavity (9)
Cable connector assembly (12)；Steel armored cable, the steel armored cable and flow meter body are equipped in cable connector assembly (12)
(13) it is electrically connected.
2. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: described powers on
Steel armored cable in cable joint cavity (2) is connect by pin body (3) with the circuit board being arranged in circuit board room (6), circuit
Electric wire on plate passes through the circular hole reserved in upper connector (7) and connect with flow meter body (13) one end, flow meter body (13)
The other end is connect by the reserved circular hole on lower connector 8 with the steel armored cable in lower cable connector cavity (9).
3. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the upper company
Junctor (7) is threadedly coupled with flow meter body (13), and lower connector (8) and upper joint body (1) are threadedly coupled.
4. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the lower electricity
Cable joint cavity (9) is equipped with cable connector pressure-pad (11), and cable connector pressure-pad (11) is to compress cable connector assembly (12)
It is fixed in lower cable connector cavity (9).
5. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the circuit
Plate cavity (6) is equipped with the circuit board of flow meter body circuit board and control circuit.
6. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the contact pin
Body (3) is connect with circuit board room (6) by pin bridge piece (4) and contact pin locking nut (5).
7. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the lower company
Junctor (8) is threadedly coupled with lower joint body (10).
8. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the lower company
Junctor (8) and upper connector (7) axial direction are equipped with corresponding preformed hole.
9. a kind of water injection well underground in-flow electromagnetic flowmeter according to claim 1, it is characterised in that: the lower company
Junctor (8) is connected with upper connector (7) by O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716428.9A CN110455355A (en) | 2019-08-05 | 2019-08-05 | Downhole internal flow type electromagnetic flowmeter for water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910716428.9A CN110455355A (en) | 2019-08-05 | 2019-08-05 | Downhole internal flow type electromagnetic flowmeter for water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455355A true CN110455355A (en) | 2019-11-15 |
Family
ID=68484828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910716428.9A Pending CN110455355A (en) | 2019-08-05 | 2019-08-05 | Downhole internal flow type electromagnetic flowmeter for water injection well |
Country Status (1)
| Country | Link |
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| CN (1) | CN110455355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977613A (en) * | 2022-11-28 | 2023-04-18 | 中国航天科工集团有限公司 | Method for calculating liquid production coefficient of intelligent separate mining device |
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|---|---|---|---|---|
| US20080293997A1 (en) * | 2005-05-26 | 2008-11-27 | Philippe Buhlmann | Chemical Sensor |
| CN204851206U (en) * | 2015-07-27 | 2015-12-09 | 中国石油天然气股份有限公司 | Flow direct-reading type underground electric control polymer injection device |
| CN105464642A (en) * | 2015-12-16 | 2016-04-06 | 中国石油天然气股份有限公司 | Flow monitoring device of intelligent water distributor of integrated vortex shedding flowmeter |
| CN209197813U (en) * | 2018-11-15 | 2019-08-02 | 西安秦油隆昌电子科技有限公司 | A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure |
-
2019
- 2019-08-05 CN CN201910716428.9A patent/CN110455355A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080293997A1 (en) * | 2005-05-26 | 2008-11-27 | Philippe Buhlmann | Chemical Sensor |
| CN204851206U (en) * | 2015-07-27 | 2015-12-09 | 中国石油天然气股份有限公司 | Flow direct-reading type underground electric control polymer injection device |
| CN105464642A (en) * | 2015-12-16 | 2016-04-06 | 中国石油天然气股份有限公司 | Flow monitoring device of intelligent water distributor of integrated vortex shedding flowmeter |
| CN209197813U (en) * | 2018-11-15 | 2019-08-02 | 西安秦油隆昌电子科技有限公司 | A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure |
Non-Patent Citations (1)
| Title |
|---|
| 廖英泰,徐爱舫,姚美兰,钱玉宝,王运洪,于清秀: "注入井流量测井仪综述", 《石油仪器》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977613A (en) * | 2022-11-28 | 2023-04-18 | 中国航天科工集团有限公司 | Method for calculating liquid production coefficient of intelligent separate mining device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
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