CN104514666B - Water injection well downhole power generation system and method - Google Patents
Water injection well downhole power generation system and method Download PDFInfo
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- CN104514666B CN104514666B CN201310450050.5A CN201310450050A CN104514666B CN 104514666 B CN104514666 B CN 104514666B CN 201310450050 A CN201310450050 A CN 201310450050A CN 104514666 B CN104514666 B CN 104514666B
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- turbine
- water injection
- permanent magnet
- injection well
- sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/02—Adaptations for drilling wells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a water injection well downhole power generation system and method, and belongs to the technical field of water injection well downhole dynamic power generation. An upper joint and a lower joint are used for connecting layered water injection pipelines, a power generation device is mounted in a sheath, the sheath is connected with the upper joint and the lower joint in a threaded manner, three sleeves are parallelly mounted in the sheath and sealed, each sleeve comprises a sealing ring, a pressing cap, a bearing, a generator coil, a permanent magnet rotor, a generator shaft, a water inlet, a water outlet, a turbine, a turbine shaft, a clamp spring and a permanent magnetic coupling, a turbine system is placed in the middle sleeve which is an eccentric sleeve, an axial circular hole is formed in a thick end of the middle sleeve and used for holding the turbine and the turbine shaft, two inclined holes are formed in the upper end and the lower end of the middle sleeve and serve as the water inlet and the water outlet respectively, a guide chamfer is formed in the middle sleeve, and a guide hole is formed in a thin end of the middle sleeve. The water injection well downhole power generation system has a water injection well downhole power generation function and has the advantages of simple and compact structure, fine sealing performance, reliable working performance, convenience in mounting and use and long-term usability.
Description
Technical field
The present invention relates to a kind of water injection well generating power downhole system and method, belong to water injection well well dynamic generation technology neck
Domain.
Background technology
It is often necessary to be monitored to water injection pressure, flow etc. in seperated layer water injection pipeline system.If work adopts people
Work monitors, and causes detection cycle long, and workload is big to wait difficulty, and the salvaging of measuring tool and installation all can cause monitoring result not have
Effective property, to be monitored according to automatic monitoring device with signal transmission although measurement apparatus power is less, but gives down-hole
Detection and means of communication are powered more difficulty, in order to electric power when providing long to downhole tool supplements, abroad commonly use
Downhole generator provides electric energy as the energy of downhole tool.
Patent 102953912a discloses a kind of rotating magnetic filed type downwell power generating device, its water conservancy diversion stator, winding coil with
Rotating body does not connect firmly, and turbine rotor forms rotating excitation field with permanent magnet combination, is provided with non-magnetic interior inside permanent magnet
Guard shield, carries insulation outer coating outside winding coil.There is less mud runner, hole is not got through, as electricity in rotating body center
System communication port.
Patent cn202545098u discloses a kind of down-hole turbogenerator system, and turbogenerator is located inside drill collar,
Fixed by tight latch mechanism and drill collar, drill collar and positioning sleeve are fixed by stop pin with fishing joint.
Patent 200620158603.5 discloses a kind of down-hole turbogenerator, and its turbogenerator is fixed in drill collar
Wall, electromotor is made up of stator coil and rotor magnet；Electricity generation system is made up of motor and turbine, fairing.
Content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of water injection well generating power downhole system and method.
The invention provides a kind of water injection well generating power downhole system, comprising: connect the upper and lower joint of seperated layer water injection pipeline,
TRT is installed in sheath, and sheath screw thread is connected with upper and lower joint, has been installed in parallel upper, middle and lower three set in sheath
Cylinder；Upper bush is made from an insulative material, and its sleeve wall is symmetrily processed with two axially extending bores, and one is shoulder hole, for pacifying
Dress generator coil, p-m rotor, generator shaft and permanent magnet clutch, another is pilot hole；Middle sleeve is eccentric adjusting sleeve, thick
Side and featheredge process two through holes respectively, and in order to install turbine and turbine wheel shaft, its upper and lower ends processes two to the through hole of webbing
Individual inclined hole is water inlet and outlet, and outputs guiding chamfering, and the through hole of featheredge is pilot hole；Symmetrically add on its barrel of lower sleeve
Work has a blind hole and a through hole, and as the radial support hole of turbine wheel shaft, through hole is pilot hole to blind hole.
A kind of water injection well generating power downhole method, containing following steps;
Three sleeves are installed by alignment pin and are positioned and connect, and wherein, pass through pressure cap, bearing by electromotor line in upper bush
Circle, p-m rotor, generator shaft and permanent magnet clutch driven end are fixed and are sealed with sealing ring；In middle sleeve, turbine is arranged on
On turbine wheel shaft, turbine wheel shaft is separately fixed in upper bush and lower sleeve by bearing, and turbine wheel shaft one end is provided with permanent magnet clutch
Drive end, turbine two ends hole wall is machined with water inlet and outlet respectively, and turbine apparatus using the current of filling pipe and enter
The mouth of a river drives turbine rotation with the pressure differential of outlet, and turbine drives turbine wheel shaft rotation, the permanent magnet clutch master of turbine wheel shaft one end
Moved end drives the permanent magnet clutch driven end rotation of generator shaft one end, and permanent magnet clutch driven end drives p-m rotor line of cut
The circle magnetic line of force produces electric current, and electric current leads to laminated distributor under well water flood monitoring system by binding post and provides electric power, and for charging
Battery charges.
The present invention has water injection well generating power downhole function, and this power generation system structure is simple, compact, good airproof performance, workability
Can be reliable, easy to install, can life-time service feature.
Brief description
When considered in conjunction with the accompanying drawings, by referring to detailed description below, can more completely more fully understand the present invention with
And easily learn the adjoint advantage of many of which, but accompanying drawing described herein is used for providing a further understanding of the present invention,
Constitute the part of the present invention, the schematic description and description of the present invention is used for explaining the present invention, does not constitute to this
Bright improper restriction, such as schemes wherein:
Fig. 1 is generating power downhole system structure diagram；
Fig. 2 is a-a profile；
The present invention is further described with reference to the accompanying drawings and examples.
Specific embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on the many modifications and variations that spirit of the invention is done
Shield scope.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of water injection well generating power downhole system, have for connecting underground water-injection pipeline
Top connection 1, lower contact 14, sheath 13 connects top connection 1 and lower contact 14；Be linked in sequence in sheath 13 inner chamber have upper bush 18,
Middle sleeve 17 and lower sleeve 16, the side of upper bush 18, middle sleeve 17 and lower sleeve 16 has alignment pin 15 to connect, the first sealing ring
2 are connected between top connection 1 and sheath 13, and the opposite side of upper bush 18, middle sleeve 17 and lower sleeve 16 has turbogenerator to fill
Put, in the opposite side wall of upper bush 18, have a upper bush die cavity, the pressure cap 3 of upper bush die cavity passes through the second sealing ring 4 and upper set
Cartridge type chamber connects, and second bearing 8, the centre bore of clutch shaft bearing 5 are connected with generator shaft 20, clutch shaft bearing 5, second bearing 8, line
Circle the 6, first jump ring 19 permanent magnet clutch driven end 21 and permanent magnet clutch drive end 22 are connected in upper bush die cavity, and permanent magnetism turns
Son 7 connection coil 6, one end of turbine wheel shaft 11 is connected to lower sleeve 16 by 3rd bearing 12, and turbine 10 is connected to middle sleeve 17
Opposite side wall in middle sleeve die cavity in, turbine 10 connect turbine wheel shaft 11, the second jump ring 23, the 3rd sealing ring 9 are connected to
Sleeve type intracavity, the side wall of middle sleeve 17 connects water inlet 24, outlet 25.
A kind of water injection well generating power downhole system, described electricity generation system includes: for connecting the top connection of underground water-injection pipeline
1st, lower contact 14, and it is connected to the sheath 13 of top connection 1, lower contact 14；Install in sheath 13 and be provided with the turbine of electric power and send out
Electric machine, provides the turbine apparatus of power to utilize the current of filling pipe and the pressure differential of water inlet 24 and outlet 25 to drive
Turbine rotates, and turbine wheel shaft drives p-m rotor cutting magnetic line to produce electric current by permanent magnet clutch, and electric current passes through binding post
Leading to laminated distributor under well water flood monitoring system provides electric power, and charges for rechargeable battery.The present invention has compact conformation, sealing
Good, reliable working performance, easy to install, can life-time service feature.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of water injection well generating power downhole system, comprising: for connecting layered water injection pipe
The top connection 1 in road, lower contact 14, TRT is installed in sheath 13, sheath 13 with threaded upper lower contact, in sheath 13
It has been installed in parallel lower sleeve 16, middle sleeve 17, upper bush 18, and sealed lower sleeve 16, middle sleeve 17, upper bush 18.
Lower sleeve 16, middle sleeve 17, upper bush 18 include: sealing ring, pressure cap, bearing, generator coil, permanent magnetism turn
Son, generator shaft, water inlet, outlet, turbine, turbine wheel shaft, jump ring, permanent magnet clutch.
Turbine system is placed in middle sleeve 17, and middle sleeve 17 is an eccentric adjusting sleeve, and thick end is machined with an axial circular hole,
For placing turbine and turbine wheel shaft, its upper and lower ends processes two inclined holes, water inlet and outlet, and outputs guiding chamfering,
Bao Duan is machined with pilot hole.
It is machined with shoulder hole, for installing power coil, p-m rotor and permanent magnet clutch, antimere in upper bush 18
It is machined with pilot hole.
Lower sleeve 17 is machined with a blind hole, and for installing turbine axle bearing, antimere is provided with pilot hole.
Turbine apparatus pass through the water flow velocity of filling pipe and water inlet drives turbine rotation, turbine with the pressure differential of outlet
Axle side is provided with permanent magnet clutch drive end.
P-m rotor is installed on generator shaft, and generator shaft one end is provided with permanent magnet clutch driven end.
Upper bush material has insulation effect.
When water filling current enter water inlet 24 by middle sleeve 17, turbine 10 rotates due to pushing on current,
And discharged by outlet 25.When turbine 10 rotates, turbine wheel shaft 11 also concomitant rotation under the radial support of bearing 3, turbine
The permanent magnet clutch drive end 22 of axle 11 one end also will rotate, and drive generator shaft 20 to revolve by permanent magnet clutch driven end 21
Turn, cutting magnetic line is produced electric current by the p-m rotor 7 on generator shaft 20, and electric current leads to laminated distributor under well by binding post
Water flood monitoring system provides electric power, and charges for rechargeable battery.
As described above, being explained to embodiments of the invention, but as long as essentially without depart from this
Bright inventive point and effect can have a lot of deformation, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (4)
1. a kind of water injection well generating power downhole system is it is characterised in that include: for connecting the upper and lower joint of seperated layer water injection pipeline,
TRT is installed in sheath, and sheath, with threaded upper and lower joint, has been installed in parallel three sleeves, and has sealed in sheath；
Three sleeves include: sealing ring, pressure cap, bearing, generator coil, p-m rotor, generator shaft, water inlet, outlet, whirlpool
Wheel, turbine wheel shaft, jump ring, permanent magnet clutch；Turbine system is placed in middle sleeve, and middle sleeve is an eccentric adjusting sleeve, the processing of thick end
There is an axial circular hole, for placing turbine and turbine wheel shaft, its upper and lower ends processes two inclined holes, water inlet and outlet,
And output guiding chamfering, thin end is machined with pilot hole.
2. a kind of water injection well generating power downhole system according to claim l is it is characterised in that be machined with ladder in upper bush
Hole, for installing generator coil, p-m rotor and permanent magnet clutch, antimere is machined with pilot hole；Lower sleeve is machined with
One blind hole, for installing turbine axle bearing, antimere is provided with pilot hole.
3. a kind of water injection well generating power downhole system according to claim l it is characterised in that: turbine apparatus pass through water injection pipe
The water flow velocity in road and water inlet drive turbine rotation with the pressure differential of outlet, and turbine wheel shaft side is provided with permanent magnet clutch actively
End；P-m rotor is installed on generator shaft, and generator shaft one end is provided with permanent magnet clutch driven end.
4. a kind of water injection well generating power downhole method is it is characterised in that contain following steps:
Three sleeves are installed by alignment pin and are positioned and connect, and wherein, the cartridge type intracavity in the side wall of upper bush passes through pressure cap, axle
Hold and generator coil, p-m rotor, generator shaft and permanent magnet clutch driven end are fixed and is sealed with sealing ring；Middle sleeve
Cartridge type intracavity in the wall of side, turbine is arranged on turbine wheel shaft, and turbine wheel shaft is separately fixed in the side wall of upper bush by bearing
In the blind hole of cartridge type intracavity and lower sleeve, turbine wheel shaft one end is provided with permanent magnet clutch drive end, on the hole wall of turbine two ends respectively
It is machined with water inlet and outlet, turbine apparatus utilize the current of filling pipe and water inlet to drive whirlpool with the pressure differential of outlet
Wheel rotation, turbine drives turbine wheel shaft rotation, and the permanent magnet clutch drive end of turbine wheel shaft one end drives the permanent magnetism of generator shaft one end
Shaft coupling driven end rotates, and permanent magnet clutch driven end drives the p-m rotor sectioned coil magnetic line of force to produce electric current, and electric current passes through
Binding post leads to laminated distributor under well water flood monitoring system and provides electric power, and charges for rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450050.5A CN104514666B (en) | 2013-09-27 | 2013-09-27 | Water injection well downhole power generation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450050.5A CN104514666B (en) | 2013-09-27 | 2013-09-27 | Water injection well downhole power generation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514666A CN104514666A (en) | 2015-04-15 |
| CN104514666B true CN104514666B (en) | 2017-01-25 |
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| CN201310450050.5A Active CN104514666B (en) | 2013-09-27 | 2013-09-27 | Water injection well downhole power generation system and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540012B (en) | 2018-03-23 | 2020-04-10 | 中国石油天然气股份有限公司 | Underground power generation device and separate-layer water injection device |
| CN109681163B (en) * | 2018-05-23 | 2021-08-17 | 中国石油化工股份有限公司 | Water injection well throwing and fishing type underground power generation device and method |
| CN112594116B (en) | 2020-12-15 | 2021-08-31 | 海洋动力(海南自贸区)新能源科技有限公司 | Tandem multi-shaft cone pulley supercharging power conversion machine |
| CN117432568B (en) * | 2023-12-21 | 2024-03-08 | 大庆市普罗石油科技有限公司 | Residual pressure power generation system based on oilfield high-pressure water injection and distribution single well pipeline water |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2110529A5 (en) * | 1970-10-13 | 1972-06-02 | Alsthom | |
| CN201448100U (en) * | 2009-08-13 | 2010-05-05 | 西安石油大学 | Automatic control device for down-hole flow of water injection well |
| CN101655008B (en) * | 2009-09-18 | 2012-07-04 | 哈尔滨工业大学 | Self-power generation type high-pressure impeller flowmeter of water injection well |
| US7938203B1 (en) * | 2010-10-25 | 2011-05-10 | Hall David R | Downhole centrifugal drilling fluid separator |
| CN102953912B (en) * | 2011-08-30 | 2015-05-13 | 中国石油化工股份有限公司 | Rotating magnetic field type underground generating set |
| CN102536152A (en) * | 2012-01-13 | 2012-07-04 | 天津哈德韦尔自控技术有限公司 | Underground digital intelligent water shutoff system of water injection well |
| CN102635486B (en) * | 2012-04-27 | 2014-04-30 | 中国石油集团西部钻探工程有限公司 | Turbine driven downhole slurry generator |
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