CN110318720A - A kind of wide range orifice flowmeter injection well downhole flow regulator - Google Patents
A kind of wide range orifice flowmeter injection well downhole flow regulator Download PDFInfo
- Publication number
- CN110318720A CN110318720A CN201910656634.5A CN201910656634A CN110318720A CN 110318720 A CN110318720 A CN 110318720A CN 201910656634 A CN201910656634 A CN 201910656634A CN 110318720 A CN110318720 A CN 110318720A
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- Prior art keywords
- flowmeter
- small side
- generous
- orifice
- connector
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 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
- 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 oil-field flooding technical fields, and in particular to a kind of wide range orifice flowmeter injection well downhole flow regulator, comprising: water supply connector, ontology connector, generous amount flowmeter, small side measure flowmeter, flow control device；Small side's entrance, generous entrance and exit are equipped in the ontology connector；The generous amount flowmeter is connect with the water supply connector with the water inlet that small side measures flowmeter；The water outlet of the generous amount flowmeter connects the generous entrance of the ontology connector；The water outlet that the small side measures flowmeter connects small side's entrance of the ontology connector；The flow control device is arranged in ontology connector.The beneficial effect simple with structure, flowmeter range is big.
Description
Technical field
The invention belongs to oil-field flooding technical fields, and in particular to a kind of wide range orifice flowmeter injection well downhole flow regulator.
Background technique
Fine separate zone waterflooding technology is one of agent for improving oilfield recovery core technology, in recent years, in order to improve oil field development
Level realizes oil reservoir Efficient Development, and petroleum worker puts forth effort to carry out separate zone waterflooding technology tackling key problem research, meets oil to a certain degree
Exploitation demand is hidden, the uneven problem that absorbs water caused by interlayer and intraformational differentiation is alleviated, reaches oil field layered equilibrium development of injection-production.?
In stratified injection water technology implementation process, each oil reservoir often differs greatly with fluence, and the flow measuring and adjusting range of injection well downhole flow regulator should be with each oil
Layer matches with fluence.Used orifice flowmeter range ratio is 1:7 on injection well downhole flow regulator, and single model injection well downhole flow regulator cannot expire simultaneously
Foot is required with the fluence of matching for respectively filling the water layer in a bite water injection well.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of wide range orifice flowmeter water distributions
Device.The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of wide range orifice flowmeter injection well downhole flow regulator, comprising: water supply connector, ontology connector, generous amount flowmeter, small side amount
Flowmeter, flow control device；
Small side's entrance, generous entrance and exit are equipped in the ontology connector；The generous amount flowmeter and small side, which measure, to flow
The water inlet of meter is connect with the water supply connector；The water outlet of the generous amount flowmeter connects the big of the ontology connector
Square entrance；The water outlet that the small side measures flowmeter connects small side's entrance of the ontology connector；The flow control device is set
It sets in ontology connector.
In one embodiment of the invention, the generous amount flowmeter includes generous amount flowtube and generous orifice；
The water intake end of the generous amount flowtube is connect with the generous orifice；The generous orifice and the water supply connector connect
It connects；The water outlet of the generous amount flowtube is connect with ontology connector.
In one embodiment of the invention, it includes that small side measures flowtube and small side's orifice that the small side, which measures flowmeter,；
The water intake end that the small side measures flowtube is connect with small side's orifice；Small side's orifice and the water supply connector connect
It connects；The water outlet that the small side measures flowtube is connect with the ontology connector.
In one embodiment of the invention, the flow control device includes motor, travel control switch, transmission knot
Structure, sealing structure and adjusting spool；
The motor is connect with one end of the drive mechanism, and the other end of the drive mechanism and the adjusting spool connect
It connects, the adjusting spool is mounted in sealing structure；The travel control switch is connect with the adjusting spool.
In one embodiment of the invention, the drive mechanism includes lead screw and nut；
The lead screw and the nut form screw pair, and the lead screw is connect with the motor, the nut and institute
State adjusting spool connection.
Beneficial effects of the present invention:
For the present invention using flow measurement section and flow control division point, flow measurement section includes small one and large one two kinds of independences
The flowmeter of work controls flow measurement section by flow control division point, increases flowmeter range.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of internal structure of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention；
Fig. 3 is the generous amount flowmeter opening state of a kind of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention
Structural schematic diagram；
Fig. 4 is that a kind of small side of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention measures flowmeter opening state
Structural schematic diagram；
Appended drawing reference:
1- metal joint；The generous amount flowmeter of 2-；The generous amount flowtube of 21-；The generous orifice of 22-；The small side of 3- measures flow
Meter；The small side of 31- measures flowtube；The small side's orifice of 32-；4- flow control device；41- motor；42- travel control switch；43- is passed
Dynamic structure；44- sealing structure；45- adjusting spool；5- ontology connector.
Specific embodiment
Further detailed description is done to the present invention combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
Referring to Figure 1, Fig. 1 is a kind of structural representation of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention
Figure, comprising: water supply connector 1, ontology connector 5, generous amount flowmeter 2, small side measure flowmeter 3, flow control device 4；
Small side's entrance, generous entrance and exit are equipped in the ontology connector 5；The generous amount flowmeter 2 is measured with small side
The water inlet of flowmeter 3 is connect with the water supply connector 1；The water outlet of the generous amount flowmeter 2 connects the ontology and connects
First 5 generous entrance；The water outlet that the small side measures flowmeter 3 connects small side's entrance of the ontology connector 5；The flow tune
Mechanism 4 is saved to be arranged in ontology connector 5.
Specifically, the flow measurement range that small side measures flowmeter 2 is 30-180m3/ d, the measurement model of generous amount flowmeter 3
It encloses for 140-800m3/ d, the injection well downhole flow regulator flow measurement range after combination are 30-800m3/ d, the range ratio of injection well downhole flow regulator are 1:27.
In one embodiment of the invention, the generous amount flowmeter includes generous amount flowtube 21 and generous orifice
22；The water intake end of the generous amount flowtube 21 is connect with the generous orifice 22；The generous orifice 22 with it is described into
Water swivel 1 connects；The water outlet of the generous amount flowtube 21 is connect with ontology connector 5.
In one embodiment of the invention, it includes that small side measures flowtube 31 and small side's orifice that the small side, which measures flowmeter,
32；The water intake end that the small side measures flowtube 31 is connect with small side's orifice 32；Small side's orifice 32 with it is described into
Water swivel 1 connects；The water outlet that the small side measures flowtube 31 is connect with the ontology connector 5.
It further, in other embodiments further include a host computer, when water flow passes through generous orifice 22 or small side
When orifice 32, pressure drop is generated, the differential pressure pick-up on generous orifice 22 or small side's orifice 32 measures the pressure drop and passes through
Algorithm calculates, and can calculate the water flow by generous orifice 22 or small side's orifice 32, and the water flow stream that will be obtained
Amount is sent to host computer.
In one embodiment of the invention, the flow control device includes motor 41, travel control switch 42, transmission
Structure 43, sealing structure 44 and adjusting spool 45；
The motor 41 is connect with one end of the drive mechanism 43, the other end of the drive mechanism 43 and the adjusting
Spool 45 connects, and the adjusting spool 45 is mounted in sealing structure 44；The travel control switch 42 and the adjusting spool
45 connections.
Further, sealing structure 44 is mounted in adjusting spool 45, when sealing structure 44 is due to the band of drive mechanism 43
When dynamic lower mobile, it can realize that closing or generous amount flowmeter and small side measure the switching of flowmeter by locating different location；
Travel control switch 42 is connect with adjusting spool 45, limits the position of adjusting spool 45 by adjusting travel control switch 42,
Prevent adjusting spool from deviating from.
In one embodiment of the invention, the drive mechanism 43 includes lead screw and nut；
The lead screw and the nut form screw pair, and the lead screw is connect with the motor 41, the nut and
The adjusting spool 45 connects.
Specifically, referring to Fig. 2, Fig. 2 is a kind of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention
Schematic diagram of internal structure, motor 41 drive lead screw rotation, and the rotary motion of feed screw nut adjutant motor 41 is converted to the straight of nut
Line movement, nut drive adjusting spool 45 to move in a straight line.
It needs to illustrate:
Motor 41 drives screw pair for linear motion, and the nut being mounted in adjusting spool 45 drives adjusting spool 45
Movement；When not needing water flood operations, motor 41 drives adjusting spool 45 to move, the sealing knot being sleeved in adjusting spool 45
Structure 44 blocks the water outlet of generous amount flowtube 21 and the water outlet of small side amount flowtube 31, and water flow can not flow out at this time；It please join
See that Fig. 3, Fig. 3 are the generous amount flowmeter opening state of a kind of wide range orifice flowmeter injection well downhole flow regulator provided in an embodiment of the present invention
Structural schematic diagram, when needing to carry out the water filling of generous amount, motor 41 drives adjusting spool 45 to move downward, at this point, small side measures stream
The water outlet of buret 31 is conditioned 44 composed structures of spool 45 and sealing structure and closes, generous amount flowtube 21 and ontology connector
5 water outlet connection, thereby realizes large amount of water flood operations；Fig. 4 is referred to, Fig. 4 is provided in an embodiment of the present invention
A kind of small side of wide range orifice flowmeter injection well downhole flow regulator measures the structural schematic diagram of flowmeter opening state, measures note when needing to carry out small side
When water, motor 41 drive adjusting spool 45 move right, at this point, the water outlet of generous amount flowtube 21 be conditioned spool 45 with it is close
44 composed structures of seal structure are closed, and small side measures flowtube 31 and is connected to the water outlet of ontology connector 5, are thereby realized generous
The water flood operations of amount；It either carries out generous amount water filling or small side measures when filling the water, such as need to adjust water injection rate, then can pass through
It controls motor 41 and drives adjusting spool movement, the water outlet open area for changing generous amount flowtube 21 or small side amount flowtube 31 can
To realize the purpose for changing water injection rate.
It further, in other embodiments can also include host computer, control unit and signal transmission unit, operation
Personnel operate host computer and obtain down-hole information, and operational order is sent to control unit by signal transmission unit, and control is single
Operational order is sent to motor 41 by member, to control switch and the direction of rotation of motor 41, controls to adjust spool 45 with this
Movement；At the same time it can also control travel control switch 42 to prevent adjusting spool from falling off.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (5)
1. a kind of wide range orifice flowmeter injection well downhole flow regulator characterized by comprising water supply connector (1), ontology connector (5), generous
Measure flowmeter (2), small side measures flowmeter (3), flow control device (4)；
Small side's entrance, generous entrance and exit are equipped in the ontology connector (5)；The generous amount flowmeter (2) and small side measure
The water inlet of flowmeter (3) is connect with the water supply connector (1)；Described in the water outlet connection of the generous amount flowmeter (2)
The generous entrance of ontology connector (5)；The small side that the water outlet that the small side measures flowmeter (3) connects the ontology connector (5) enters
Mouthful；Flow control device (4) setting is in ontology connector (5).
2. wide range orifice flowmeter injection well downhole flow regulator according to claim 1, which is characterized in that the generous amount flowmeter packet
Include generous amount flowtube (21) and generous orifice (22)；The water intake end and the generous metering-orifice of the generous amount flowtube (21)
Plate (22) connection；The generous orifice (22) connect with the water supply connector (1)；The water outlet of the generous amount flowtube (21)
Mouth is connect with ontology connector (5).
3. wide range orifice flowmeter injection well downhole flow regulator according to claim 1, which is characterized in that the small side measures flowmeter packet
It includes small side and measures flowtube (31) He little Fang orifice (32)；The small side measures the water intake end and small side's metering-orifice of flowtube (31)
Plate (32) connection；Small side's orifice (32) connect with the water supply connector (1)；The small side measures the water outlet of flowtube (31)
Mouth is connect with the ontology connector (5).
4. wide range orifice flowmeter injection well downhole flow regulator according to claim 3, which is characterized in that the flow control device packet
Include motor (41), travel control switch (42), drive mechanism (43), sealing structure (44) and adjusting spool (45)；
The motor (41) connect with one end of the drive mechanism (43), the other end and the tune of the drive mechanism (43)
Spool (45) connection is saved, the adjusting spool (45) is mounted in sealing structure (44)；The travel control switch (42) and institute
State adjusting spool (45) connection.
5. wide range orifice flowmeter injection well downhole flow regulator according to claim 4, which is characterized in that drive mechanism (43) packet
Include lead screw and nut；
The lead screw and the nut form screw pair, and the lead screw is connect with the motor (41), the nut and institute
State adjusting spool (45) connection.
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 true CN110318720A (en) | 2019-10-11 |
| CN110318720B CN110318720B (en) | 2024-04-30 |
Family
ID=68124143
Family Applications (1)
| 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) |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110318720B (en) | 2024-04-30 |
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