CN109723425A - A kind of flowmeter for water injection well in oil fields oil pipe - Google Patents
A kind of flowmeter for water injection well in oil fields oil pipe Download PDFInfo
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- CN109723425A CN109723425A CN201811518437.9A CN201811518437A CN109723425A CN 109723425 A CN109723425 A CN 109723425A CN 201811518437 A CN201811518437 A CN 201811518437A CN 109723425 A CN109723425 A CN 109723425A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention discloses a kind of flowmeters for water injection well in oil fields oil pipe, including the full current-collecting device of end, oil pipe, mistake spool and the connector being sequentially connected from top to bottom, the full current-collecting device of oil pipe is for sealing obstruction oil pipe inner cavity, it crosses and is provided with flow detector in spool, the connector is connected with conditioning instrumentation.The flowmeter measurement precision is high, can be suitable for the measurement of the lesser fluid of flow, be advantageously implemented the synchronous adjustment of liquid parameter in oil pipe, effectively improve the accuracy of oil field stratum injection flow control.
Description
Technical field
The present invention relates to a kind of flowmeters, and in particular to a kind of flowmeter for water injection well in oil fields oil pipe.
Background technique
Traditional oil field operation, accurately to measure injection flow to stratum water filling, is needed using special when for flushing
Door is used for the packing formula flowmeter of oil pipe, and this flowmeter structure is usually afflux umbrella structure, since current collecting umbrella leakage causes
Measurement is inaccurate, especially fluid measurement lesser to flow when seem more inaccurate, when causing in oil field operation for stratum water filling
It is unable to accurately control flow, influences the development operation in oil field.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention discloses a kind of flowmeter for water injection well in oil fields oil pipe, the flow
Measurement precision height is counted, the measurement of the lesser fluid of flow can be suitable for, effectively improve the control of oil field stratum injection flow
Accuracy.
The present invention is achieved through the following technical solutions:
A kind of flowmeter for water injection well in oil fields oil pipe, including be sequentially connected from top to bottom end, oil pipe complete or collected works
It flows device, cross spool and connector, the full current-collecting device of oil pipe is crossed in spool for sealing obstruction oil pipe inner cavity and is provided with stream
Amount detecting device, the connector is for connecting all kinds of conditioning instrumentation.
In the present invention, by end, the full current-collecting device of oil pipe, spool and connector are crossed by arranging from high in the end, if
The full current-collecting device of the oil pipe of meter can effectively seal oil pipe runner, and influent is all imported inside flowmeter, is examined by flow
Device measuring flow is surveyed, measurement accuracy is improved, is particularly suitable for the measurement of the lesser fluid of flow, effectively improves oil field stratum
The accuracy of injection flow control.
Centralizer body on end can guarantee the stable centre position for being connected to oil pipe any part of entire flowmeter
It sets, can be improved the sealing effect of the full current-collecting device of oil pipe.
The full current-collecting device of oil pipe is equipped with a sealer, and sealer includes sealing drum and elasticity blockades ring, elasticity
It is cylindrical and be set in sealing drum periphery to blockade ring, elasticity is blockaded ring middle part under driving means promotion and convexed to form to periphery
One can blockade the sealing ring of oil pipe inner cavity.
The present invention using elasticity blockade ring under stress middle part convex to form sealing ring Seal Oil tube cavity, compare existing collection
For the collector for flowing umbrella-type, circular sealing ring can preferably be bonded tube inner wall, avoid leakage, good airproof performance,
Accuracy is high, and for the collector compared to existing leather bag filling type, structure is simpler, and at low cost, power consumption is low, and does not have to
Fill extra work liquid, more environmentally-friendly energy conservation.
The full current-collecting device of oil pipe above the sealer is equipped with inlet opening, is equipped in the full current-collecting device of oil pipe and feed liquor
The runner one of hole connection, the sealing drum are equipped with several pressure compensation openings, and pressure compensation opening connection runner one and elasticity are blockaded
The gap of ring and sealing drum.
Pressure compensation opening blockades the pressure of interannular for runner one and sealing drum and elasticity, and raising elasticity is blockaded ring and is changed into
Stability and crushing resistance after sealing ring.
Described cross is equipped with a runner two being connected to runner one in spool, the flow detector is set to runner two
In the mistake spool of periphery, flow detector is electromagnetic flowmeter, it is described cross spool lower end be equipped with a fluid hole, fluid hole with
Runner two is connected to, and the electric wire steel pipe for running through three is worn at the full current-collecting device of oil pipe, the excessively axis of spool and connector,
Signal wire is provided in electric wire steel pipe, signal wire top is connected in end.
The electromagnetic flowmeter for two periphery of runner crossed in spool exists for detecting the amount for flowing through fluid, the signal wire setting
In electric wire steel pipe, signal wire is made to be in low-pressure area always, completely cut off the pressure of highly pressurised liquid, played in instrument and protect signal wire against pressure
With etch-proof effect.
The full current-collecting device of oil pipe further includes casing, delivery device, transmission mechanism and liquid lower contact out, at the top of casing with
End connection, delivery device are fixed on casing inner cavity and the transmission mechanism of lower section are pushed to do linear reciprocating motion, transmission mechanism
It pushes the elasticity of the sealer of compression lower section to blockade ring, makes its Seal Oil tube cavity, the liquid lower contact top out is connected to close
Sealed tube bottom, bottom end are connected with connector.
The transmission mechanism includes push sleeve, and the elasticity blockades ring one end and is fixed on sealing drum outer wall, and the other end is solid
It is scheduled on push sleeve bottom end outer wall, push sleeve lining and sealing drum outer wall sliding contact.
The transmission mechanism further includes that push axis, push rod erection joint, intermediate connecting sleeve, intermediate connector and centre are fixed
Connector, the casing, push axis, push rod erection joint, intermediate connecting sleeve, intermediate connector, intermediate anchor tip, sealing drum,
Elasticity blockades ring and the axis of push sleeve is on the same straight line, and push rod erection joint and intermediate connecting sleeve are set in push
Axis periphery, and push rod erection joint, intermediate connecting sleeve and intermediate connector join end to end, wherein push rod erection joint and centre
Connector sleeve is fixedly connected, and intermediate connecting sleeve is connected with intermediate connector sliding, is equipped with limit hole in intermediate connector upper end, described
Push axis bottom end is placed in limit hole, and pushing axis can be free to slide in limit hole.
The intermediate anchor tip includes balancing pole, and balancing pole upper end is fixedly linked with intermediate connector, and bottom end passes through close
Sealed tube is connected with liquid lower contact out, and sealing drum upper end inner wall is connected with an annular link block, annular link block and balance
Bar upper end outer wall is fixedly connected, and on push sleeve, intermediate connecting sleeve upper end is equipped with several strip-shaped holes, institute for the inlet opening setting
State push sleeve upper end and be connected by several trundles with push axis, trundle across strip-shaped hole, the push sleeve lining and
It is equipped with gap between intermediate connecting sleeve, intermediate connector and intermediate anchor tip, states and is equipped with gap between sealing drum and balancing pole, annular
Link block is equipped with through-hole, and the gap of through-hole and two sides collectively forms runner one.
The liquid lower contact out is equipped with drainage hole, and drainage hole one end is connected to runner one, and the other end is connected to runner two,
The pressure compensation opening is set to sealing drum close to the side of push sleeve, and the balancing pole is equipped with a water conservancy diversion ball, water conservancy diversion
Bulb diameter is greater than balance shank diameter, and water conservancy diversion ball and pressure compensation opening are on same perpendicular.
Since balancing pole is equipped with a water conservancy diversion ball, water conservancy diversion bulb diameter is greater than balance shank diameter, and water conservancy diversion ball and pressure are flat
Hole weigh on same perpendicular, therefore in runner one, the fluid flowed into from water conservancy diversion ball upper end can be tilted towards pressure compensation opening
Direction flowing, promote fluid move quickly through pressure compensation opening enter elasticity blockade in the gap of ring and sealing drum, promote bullet
Property, which is blockaded, is quickly filled with fluid in ring, improve its stability, avoid elasticity blockade ring during being changed into sealing ring due to
Internal pressure is too small and tilts, it is difficult to seal oil pipe.
The elasticity is blockaded ring and is made using elastic rubber, and the thickness that elasticity blockades ring is incrementally increased from middle part to both ends,
And elasticity blockade ring under natural conditions its outer surface be horizontal plane, elasticity blockade ring maximum gauge be 2-5mm, minimum thickness be most
The 1/5-1/3 of big thickness.
In the present invention, elasticity is blockaded ring and is made using elastic rubber, therefore when it is changed into seal ring structure, Neng Gougeng
Well more strict to be bonded with tube inner wall, more preferably, elasticity blockades ring thick middle to leakproofness, and thickness of two sides incrementally increases, therefore
When elasticity, which blockades ring, is changed into sealing ring, middle part is more firm, improves the stability of sealing ring packing oil pipe, avoids sealing
Ring is toppled over or is deformed under pressure, causes to reveal.
The delivery device includes micromotor and push rod, and micromotor bottom is fixed on a connector, connector
It is connected to the upper end of casing inner cavity, the micromotor other end is connected with push rod, and push rod converts the rotary motion of micromotor to
Linear motion, and it is transferred to transmission mechanism.
The course of work of the invention is: micromotor driving push rod, and push rod is converted to the rotary motion of micromotor directly
Line movement, and push axis, push rod erection joint, push sleeve and intermediate connecting sleeve are pushed to lower end, wherein push sleeve lower end
Coupled elasticity is pushed to blockade ring, elasticity blockades ring, and its middle part outwardly convex formation sealing ring will be in oil pipe under pressure
Wall packing, after oil pipe is insulated, oily liquid in pipe enters runner one from inlet opening, then enters runner two through going out liquid lower contact
In, by the flow detector detection flows in spool, realizes the flow measurement of oil pipe, be finally discharged through fluid hole.
The sealing drum outer wall is fixed with the first snap ring, and push sleeve bottom end outer wall is fixed with the second snap ring, the elasticity
Ring both ends are blockaded to be separately fixed in the first snap ring and the second snap ring.
A centralizer body is arranged on the end outer wall, the connector is connected with conditioning instrumentation, the adjusting apparatus
Device is any one of pressure gauge, magnetic locator, concentric well regulating arm and eccentric well manipulator, and conditioning instrumentation can be examined according to flow
The flow for surveying device detection is adjusted in synchronism inherent parameters.
In the present invention, connector is connected by setting socket and circuit board with conditioning instrumentation, the liquid in measurement oil pipe
While flow, additionally it is possible to it is synchronized upon the pressure for adjusting liquid, flow parameter, achievees the effect that the tune when surveying, timeliness is high,
It is obviously improved degree of regulation, and then improves the accuracy of oil field stratum injection flow control.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of flowmeter for water injection well in oil fields oil pipe of the present invention by end, the full current-collecting device of oil pipe, crosses spool
With connector by arranging from high in the end, the full current-collecting device of the oil pipe of design can effectively seal oil pipe runner, by influent
Body all imports inside flowmeter, by flow detector measuring flow, improves measurement accuracy, it is smaller to be particularly suitable for flow
Fluid measurement, effectively improve oil field stratum injection flow control accuracy；
2, a kind of flowmeter for water injection well in oil fields oil pipe of the present invention, the elasticity of the full current-collecting device of oil pipe blockade ring use
Elastic rubber is made, therefore when it is changed into seal ring structure, more preferably more strict can be bonded with tube inner wall, seals
More preferably, elasticity blockades ring thick middle to property, and thickness of two sides incrementally increases, therefore when elasticity blockades ring and is changed into sealing ring, wherein
Portion is more firm, improves the stability of sealing ring packing oil pipe, avoids sealing ring from toppling over or deform under pressure, cause to let out
Dew, further increases flow rate test precision in oil pipe.
3, a kind of flowmeter for water injection well in oil fields oil pipe of the present invention, connector pass through setting socket and circuit board and tune
It saves instrument to be connected, while measuring the fluid flow in oil pipe, additionally it is possible to be synchronized upon the pressure for adjusting liquid, flow ginseng
Number achievees the effect that the tune when surveying, and timeliness is high, is obviously improved degree of regulation, and then improves the control of oil field stratum injection flow
Accuracy.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is transmission mechanism schematic diagram of the present invention；
Fig. 3 is sealer schematic diagram of the present invention.
Label and corresponding parts title in attached drawing:
1- end, 11- centralizer body, the full current-collecting device of 2- oil pipe, 21- inlet opening, 22- runner one, 23- casing, 24- are pushed away
Send mechanism, 241- micromotor, 242- push rod, 25- goes out liquid lower contact, 251- drainage hole, and 3- crosses spool, 31- flow detection dress
It sets, 32- runner two, 33- fluid hole, 4- connector, 5- sealer, 51- sealing drum, the first snap ring of 511-, 52- elasticity is blockaded
Ring, 53- sealing ring, 54- pressure compensation opening, 6- electric wire steel pipe, 7- transmission mechanism, 71- push sleeve, the second snap ring of 711-, 72-
Push axis, 73- push rod erection joint, 74- intermediate connecting sleeve, 741- strip-shaped hole, 75- intermediate connector, 751- limit hole, 76-
Anchor tip, 761- water conservancy diversion ball, 77- annular link block, 78- trundle, 79- through-hole, 8- conditioning instrumentation.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1-3, a kind of flowmeter for water injection well in oil fields oil pipe of the present invention, including be sequentially connected from top to bottom
End 1, the full current-collecting device 2 of oil pipe, cross spool 3 and connector 4, the full current-collecting device 2 of oil pipe is for sealing obstruction oil
Tube cavity is crossed in spool 3 and is provided with flow detector 31, and the connector 4 is for connecting all kinds of conditioning instrumentation.
The full current-collecting device 2 of oil pipe is equipped with a sealer 5, and sealer 5 includes that sealing drum 51 and elasticity blockade ring
52, elasticity blockades that ring 52 is cylindrical and be set in 51 periphery of sealing drum, and elasticity blockades the middle part under driving means promotion of ring 52
The sealing ring 53 that can blockade oil pipe inner cavity is convexed to form to periphery.
The full current-collecting device 2 of oil pipe of 5 top of sealer is equipped with inlet opening 21, is equipped in the full current-collecting device 2 of oil pipe
The runner 1 being connected to inlet opening 21, the sealing drum 51 are equipped with several pressure compensation openings 54, and pressure compensation opening 54 is connected to
Runner 1 and elasticity blockade the gap of ring 52 Yu sealing drum 51.
Described cross is equipped with a runner 2 32 being connected to runner 1 in spool 3, the flow detector 31 is arranged
In in the mistake spool 3 of 2 32 periphery of runner, flow detector 31 is electromagnetic flowmeter, and 3 lower end of spool of crossing is equipped with one
Fluid hole 33, fluid hole 33 are connected to runner 2 32, are worn at the full current-collecting device 2 of oil pipe, the excessively axis of spool 3 and connector 4
If one runs through the electric wire steel pipe 6 of three, it is provided with signal wire in electric wire steel pipe 6, signal wire top is connected in end 1.
The full current-collecting device 2 of oil pipe further includes casing 23, delivery device 24, transmission mechanism 7 and liquid lower contact 25 out, shield
23 top of cylinder is connect with end 1, and delivery device 24 is fixed on 23 inner cavity of casing and the transmission mechanism 7 of lower section is pushed to do back and forth directly
Line movement, transmission mechanism 7 push the elasticity of the sealer 5 of compression lower section to blockade ring 52, make its Seal Oil tube cavity, the liquid out
25 top of lower contact is connected to 51 bottom of sealing drum, and bottom end is connected with connector 4.
The transmission mechanism 7 includes push sleeve 71, and the elasticity blockades 52 one end of ring and is fixed on 51 outer wall of sealing drum, separately
One end is fixed on push 71 bottom end outer wall of sleeve, push 71 inner wall of sleeve and 51 outer wall sliding contact of sealing drum.
The transmission mechanism 7 further includes push axis 72, push rod erection joint 73, intermediate connecting sleeve 74, intermediate connector 75
With intermediate anchor tip 76, the casing 23, push axis 72, push rod erection joint 73, intermediate connecting sleeve 74, intermediate connector
75, intermediate anchor tip 76, sealing drum 51, elasticity blockade ring 52 and the axis of push sleeve 71 is on the same straight line, push rod
Erection joint 73 and intermediate connecting sleeve 74 are set in push 72 periphery of axis, and push rod erection joint 73,74 and of intermediate connecting sleeve
Intermediate connector 75 joins end to end, wherein push rod erection joint 73 is fixedly connected with intermediate connecting sleeve 74,74 He of intermediate connecting sleeve
The sliding of intermediate connector 75 is connected, and is equipped with limit hole 751 in 75 upper end of intermediate connector, 72 bottom end of push axis is placed in limit
In hole 751, and pushing axis 72 can be free to slide in limit hole 751.
The intermediate anchor tip 76 includes balancing pole, and balancing pole upper end is fixedly linked with intermediate connector 75, and bottom end is worn
It crosses sealing drum 51 to be connected with liquid lower contact 25 out, the 51 upper end inner wall of sealing drum is connected with an annular link block 77, annular
Link block 77 is fixedly connected with balancing pole upper end outer wall, and the setting of inlet opening 21 is on push sleeve 71, intermediate connecting sleeve 74
Upper end is equipped with several strip-shaped holes 741, and 71 upper end of push sleeve is connected by several trundles 78 with push axis 72, trundle
78 pass through strip-shaped hole 741,71 inner wall of push sleeve and intermediate connecting sleeve 74, intermediate connector 75 and intermediate anchor tip 76
Between be equipped with gap, state between sealing drum 51 and balancing pole be equipped with gap, annular link block 77 be equipped with through-hole 79, through-hole 79 and two sides
Gap collectively form runner 1.
Embodiment 2
As shown in Figure 1-3, a kind of flowmeter for water injection well in oil fields oil pipe of the present invention, including be sequentially connected from top to bottom
End 1, the full current-collecting device 2 of oil pipe, cross spool 3 and connector 4, the full current-collecting device 2 of oil pipe is for sealing obstruction oil
Tube cavity is crossed in spool 3 and is provided with flow detector 31, and the connector 4 is for connecting all kinds of conditioning instrumentation.
The full current-collecting device 2 of oil pipe is equipped with a sealer 5, and sealer 5 includes that sealing drum 51 and elasticity blockade ring
52, elasticity blockades that ring 52 is cylindrical and be set in 51 periphery of sealing drum, and elasticity blockades the middle part under driving means promotion of ring 52
The sealing ring 53 that can blockade oil pipe inner cavity is convexed to form to periphery.
The full current-collecting device 2 of oil pipe of 5 top of sealer is equipped with inlet opening 21, is equipped in the full current-collecting device 2 of oil pipe
The runner 1 being connected to inlet opening 21, the sealing drum 51 are equipped with several pressure compensation openings 54, and pressure compensation opening 54 is connected to
Runner 1 and elasticity blockade the gap of ring 52 Yu sealing drum 51.
Described cross is equipped with a runner 2 32 being connected to runner 1 in spool 3, the flow detector 31 is arranged
In in the mistake spool 3 of 2 32 periphery of runner, flow detector 31 is electromagnetic flowmeter, and 3 lower end of spool of crossing is equipped with one
Fluid hole 33, fluid hole 33 are connected to runner 2 32, are worn at the full current-collecting device 2 of oil pipe, the excessively axis of spool 3 and connector 4
If one runs through the electric wire steel pipe 6 of three, it is provided with signal wire in electric wire steel pipe 6, signal wire top is connected in end 1.
The full current-collecting device 2 of oil pipe further includes casing 23, delivery device 24, transmission mechanism 7 and liquid lower contact 25 out, shield
23 top of cylinder is connect with end 1, and delivery device 24 is fixed on 23 inner cavity of casing and the transmission mechanism 7 of lower section is pushed to do back and forth directly
Line movement, transmission mechanism 7 push the elasticity of the sealer 5 of compression lower section to blockade ring 52, make its Seal Oil tube cavity, the liquid out
25 top of lower contact is connected to 51 bottom of sealing drum, and bottom end is connected with connector 4.
The transmission mechanism 7 includes push sleeve 71, and the elasticity blockades 52 one end of ring and is fixed on 51 outer wall of sealing drum, separately
One end is fixed on push 71 bottom end outer wall of sleeve, push 71 inner wall of sleeve and 51 outer wall sliding contact of sealing drum.
The transmission mechanism 7 further includes push axis 72, push rod erection joint 73, intermediate connecting sleeve 74, intermediate connector 75
With intermediate anchor tip 76, the casing 23, push axis 72, push rod erection joint 73, intermediate connecting sleeve 74, intermediate connector
75, intermediate anchor tip 76, sealing drum 51, elasticity blockade ring 52 and the axis of push sleeve 71 is on the same straight line, push rod
Erection joint 73 and intermediate connecting sleeve 74 are set in push 72 periphery of axis, and push rod erection joint 73,74 and of intermediate connecting sleeve
Intermediate connector 75 joins end to end, wherein push rod erection joint 73 is fixedly connected with intermediate connecting sleeve 74,74 He of intermediate connecting sleeve
The sliding of intermediate connector 75 is connected, and is equipped with limit hole 751 in 75 upper end of intermediate connector, 72 bottom end of push axis is placed in limit
In hole 751, and pushing axis 72 can be free to slide in limit hole 751.
The intermediate anchor tip 76 includes balancing pole, and balancing pole upper end is fixedly linked with intermediate connector 75, and bottom end is worn
It crosses sealing drum 51 to be connected with liquid lower contact 25 out, the 51 upper end inner wall of sealing drum is connected with an annular link block 77, annular
Link block 77 is fixedly connected with balancing pole upper end outer wall, and the setting of inlet opening 21 is on push sleeve 71, intermediate connecting sleeve 74
Upper end is equipped with several strip-shaped holes 741, and 71 upper end of push sleeve is connected by several trundles 78 with push axis 72, trundle
78 pass through strip-shaped hole 741,71 inner wall of push sleeve and intermediate connecting sleeve 74, intermediate connector 75 and intermediate anchor tip 76
Between be equipped with gap, state between sealing drum 51 and balancing pole be equipped with gap, annular link block 77 be equipped with through-hole 79, through-hole 79 and two sides
Gap collectively form runner 1.
It is described go out liquid lower contact 25 be equipped with drainage hole 251,251 one end of drainage hole is connected to runner 1, the other end and
Runner 2 32 is connected to, and the pressure compensation opening 54 is set to sealing drum 51 on the side of push sleeve 71, the balancing pole
Equipped with a water conservancy diversion ball 761,761 diameter of water conservancy diversion ball is greater than balance shank diameter, and water conservancy diversion ball 761 with pressure compensation opening 54 same
On perpendicular.
The elasticity is blockaded ring 52 and is made using elastic rubber, and the thickness that elasticity blockades ring 52 gradually increases from middle part to both ends
Greatly, and elasticity blockades ring 52 its outer surface is horizontal plane under natural conditions, and it is 2-5mm that elasticity, which blockades 52 maximum gauge of ring, minimum
With a thickness of the 1/5-1/3 of maximum gauge.
The delivery device 24 includes micromotor 241 and push rod 242, and 241 bottom of micromotor is fixed on a connection
On first 4, connector 4 is connected to the upper end of 23 inner cavity of casing, and 241 other end of micromotor is connected with push rod 242, and push rod 242 will
The rotary motion of micromotor 241 is converted into linear motion, and is transferred to transmission mechanism 7.
51 outer wall of sealing drum is fixed with the first snap ring 511, and push 71 bottom end outer wall of sleeve is fixed with the second snap ring
711, the elasticity is blockaded 53 both ends of ring and is separately fixed at 711 in the first snap ring 511 and the second snap ring.
A centralizer body 11 is arranged on 1 outer wall of end, the connector 4 is connected with conditioning instrumentation 8, the tune
Section instrument 8 is any one of pressure gauge, magnetic locator, concentric well regulating arm and eccentric well manipulator, and conditioning instrumentation 8 can basis
The flow that flow detector 31 detects is adjusted in synchronism inherent parameters.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of flowmeter for water injection well in oil fields oil pipe, which is characterized in that including the end being sequentially connected from top to bottom
(1), the full current-collecting device of oil pipe (2), excessively spool (3) and connector (4), the full current-collecting device of oil pipe (2) is for sealing obstruction
Oil pipe inner cavity is crossed in spool (3) and is provided with flow detector (31).
2. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 1, which is characterized in that the oil pipe is complete
Current-collecting device (2) is equipped with a sealer (5), and sealer (5) includes that sealing drum (51) and elasticity are blockaded ring (52), elasticity envelope
Balk ring (52) is cylindrical and is set in sealing drum (51) periphery, and it is outside that elasticity blockades ring (52) middle part under driving means promotion
Convex to form the sealing ring (53) that can blockade oil pipe inner cavity week.
3. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 2, which is characterized in that the sealer
(5) the full current-collecting device of oil pipe (2) above is equipped with inlet opening (21), is equipped in the full current-collecting device of oil pipe (2) and inlet opening
(21) runner one (22) being connected to, the sealing drum (51) are equipped with several pressure compensation openings (54), and pressure compensation opening (54) is even
Passage flow duct one (22) and elasticity blockade the gap of ring (52) Yu sealing drum (51).
4. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 3, which is characterized in that described to cross spool
(3) runner two (32) being connected to runner one (22) is equipped in, the flow detector (31) is set to runner two
(32) in the mistake spool (3) of periphery, flow detector (31) is electromagnetic flowmeter, and spool (3) lower end of crossing is equipped with one
Fluid hole (33), fluid hole (33) are connected to runner two (32), in the full current-collecting device of oil pipe (2), cross spool (3) and connector
(4) electric wire steel pipe (6) for running through three is worn at axis, is provided with signal wire, signal wire top in electric wire steel pipe (6)
It is connected in end (1).
5. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 2, which is characterized in that the oil pipe is complete
Current-collecting device (2) further includes casing (23), delivery device (24), transmission mechanism (7) and liquid lower contact (25), casing (23) push up out
Portion is connect with end (1), and delivery device (24) is fixed on casing (23) inner cavity and the transmission mechanism (7) of lower section is pushed to do back and forth
Linear motion, transmission mechanism (7) push the elasticity of the sealer (5) of compression lower section to blockade ring (52), make its Seal Oil tube cavity,
Described liquid lower contact (25) top out is connected to sealing drum (51) bottom, and bottom end is connected with connector (4).
6. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 5, which is characterized in that the driver
Structure (7) includes push sleeve (71), and the elasticity blockades ring (52) one end and is fixed on sealing drum (51) outer wall, and the other end is fixed on
Push sleeve (71) bottom end outer wall, push sleeve (71) inner wall and sealing drum (51) outer wall sliding contact.
7. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 6, which is characterized in that the driver
Structure (7) further includes that push axis (72), push rod erection joint (73), intermediate connecting sleeve (74), intermediate connector (75) and centre are solid
Determine connector (76), the casing (23), push axis (72), push rod erection joint (73), intermediate connecting sleeve (74), intermediate connector
(75), intermediate anchor tip (76), sealing drum (51), elasticity blockade ring (52) and push the axis of sleeve (71) with always
On line, push rod erection joint (73) and intermediate connecting sleeve (74) are set in push axis (72) periphery, and push rod erection joint
(73), intermediate connecting sleeve (74) and intermediate connector (75) join end to end, wherein push rod erection joint (73) and intermediate connecting sleeve
(74) it is fixedly connected, intermediate connecting sleeve (74) is connected with intermediate connector (75) sliding, is equipped in intermediate connector (75) upper end
Limit hole (751), push axis (72) bottom end are placed in limit hole (751).
8. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 7, which is characterized in that the centre is solid
Determining connector (76) includes balancing pole, and balancing pole upper end is fixedly linked with intermediate connector (75), bottom end pass through sealing drum (51) with
Liquid lower contact (25) is connected out, and sealing drum (51) upper end inner wall is connected with an annular link block (77), annular link block
(77) it is fixedly connected with balancing pole upper end outer wall, inlet opening (21) setting is in push sleeve (71), intermediate connecting sleeve
(74) upper end is equipped with several strip-shaped holes (741), and the push sleeve (71) upper end passes through several trundles (78) and push axis
(72) it is connected, trundle (78) passes through strip-shaped hole (741), push sleeve (71) inner wall and intermediate connecting sleeve (74), centre
It is equipped with gap between connector (75) and intermediate anchor tip (76), states and is equipped with gap between sealing drum (51) and balancing pole, annular is even
It connects block (77) and is equipped with through-hole (79), the gap of through-hole (79) and two sides collectively forms runner one (22).
9. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 8, which is characterized in that under the liquid out
Connector (25) is equipped with drainage hole (251), and drainage hole (251) one end is connected to runner one (22), the other end and runner two (32)
Connection, the pressure compensation opening (54) are set to sealing drum (51) and set on the side of push sleeve (71), the balancing pole
There is a water conservancy diversion ball (761), water conservancy diversion ball (761) diameter is greater than balance shank diameter, and water conservancy diversion ball (761) and pressure compensation opening (54)
On same perpendicular, the elasticity is blockaded ring (52) and is made using elastic rubber, and elasticity blockades the thickness of ring (52) therefrom
Portion is incrementally increased to both ends, and elasticity blockades ring (52) its outer surface is horizontal plane under natural conditions, and elasticity blockades ring (52) most
Greatly with a thickness of 2-5mm, minimum thickness is the 1/5-1/3 of maximum gauge.
10. a kind of flowmeter for water injection well in oil fields oil pipe according to claim 1, which is characterized in that the cable
It is arranged with a centralizer body (11) on head (1) outer wall, the connector (4) is connected with conditioning instrumentation (8), the conditioning instrumentation
It (8) is any one of pressure gauge, magnetic locator, concentric well regulating arm and eccentric well manipulator, conditioning instrumentation (8) can be according to stream
The flow of amount detecting device (31) detection is adjusted in synchronism inherent parameters.
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