CN104514666A - Water injection well underground power generation system and method - Google Patents
Water injection well underground power generation system and method Download PDFInfo
- Publication number
- CN104514666A CN104514666A CN201310450050.5A CN201310450050A CN104514666A CN 104514666 A CN104514666 A CN 104514666A CN 201310450050 A CN201310450050 A CN 201310450050A CN 104514666 A CN104514666 A CN 104514666A
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- Prior art keywords
- turbine
- permanent magnet
- water
- water injection
- shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010248 power generation Methods 0.000 title abstract description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- 235000020681 well water Nutrition 0.000 claims description 4
- 239000002349 well water Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
A water injection well underground power generation system and a method belong to the technical field of underground power generation of water injection wells. The power generation device is arranged in a sheath which is connected with the upper joint and the lower joint by threads, and three sleeves are arranged in the sheath in parallel and are sealed; three sleeves include: the device 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 shaft, a clamp spring and a permanent magnet coupler; the turbine system is arranged in a middle sleeve, the middle sleeve is an eccentric sleeve, an axial round hole is formed in the thick end of the middle sleeve and used for placing a turbine and a turbine shaft, two inclined holes, a water inlet and a water outlet are formed in the upper end and the lower end of the middle sleeve, a guide chamfer is formed in the upper end and the lower end of the middle sleeve, and a guide hole is formed in the thin end of the middle sleeve. The underground water injection well power generation system has the underground water injection well power generation function, and has the characteristics of simple and compact structure, good sealing performance, reliable working performance, convenience in installation and use and long-term use.
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 technical field of power generation.
Background technique
In layered water injection pipeline system, often need to monitor water injection pressure, flow etc.If work adopts manual monitoring, cause sense cycle long, workload is large waits difficulty, and it is ageing that the salvaging of measuring tool and installation all can cause monitoring result not have, carry out monitoring and Signal transmissions according to automatic monitoring device, although measuring device power is less, to downhole detection and means of communication to carry out powering comparatively difficult, electric power during in order to provide long to downhole tool supplements, and generally uses downhole generator to provide electric energy as the energy of downhole tool abroad.
Patent 102953912A discloses a kind of rotating magnetic filed type downwell power generating device, its water conservancy diversion stator, winding coil and non rotating body connect firmly, turbine rotor and permanent magnet combination form rotating magnetic field, and permanent magnet inside is provided with non-magnetic interior guard shield, and winding coil is outer with insulation overcoating.Have less mud runner, non rotating body central gets through hole, as electric system communication port.
Patent CN202545098U discloses a kind of down-hole turbogenerator system, and turbogenerator is positioned at drill collar inside, is fixed by tight latch mechanism and drill collar, and drill collar and setting sleeve and fishing joint are fixed by stop pin.
Patent 200620158603.5 discloses a kind of down-hole turbogenerator, and its turbogenerator is fixed on drill collar inwall, and generator is made up of stator coil and rotor magnet; Power generation system is made up of motor and turbine, rectifying device.
Summary of the invention
In order to overcome the deficiencies in the prior art, the 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: the upper and lower joint connecting layered water injection pipeline, electricity generating device is installed in sheath, and sheath screw thread is connected with upper and lower joint, has been installed in parallel three, upper, middle and lower sleeve in sheath; Upper bush insulating material is made, and its sleeve wall is symmetrily processed with two axial holes, and one is shoulder hole, and for installing generator coil, p-m rotor, generator shaft and permanent magnet clutch, another is pilot hole; Middle sleeve is eccentric adjusting sleeve, and webbing and featheredge process two through holes respectively, and the through hole of webbing is in order to install turbine and turbine shaft, and it is water intake and water outlet that its upper and lower two ends process two inclined holes, and outputs guiding chamfering, and the through hole of featheredge is pilot hole; Its barrel of lower sleeve is symmetrily processed with a blind hole and a through hole, blind hole is as the radial support hole of turbine shaft, and through hole is pilot hole.
A kind of water injection well generating power downhole method, containing following steps;
Three sleeves are installed by locating stud and are located and connect, and wherein, by pressure cap, bearing, generator coil, p-m rotor, generator shaft and permanent magnet clutch driven end are fixed and are sealed with seal ring in upper bush, in middle sleeve, turbine is arranged on turbine shaft, turbine shaft is separately fixed in upper bush and lower sleeve by bearing, turbine shaft one end is provided with permanent magnet clutch drive end, turbine two ends hole wall is processed with water intake and water outlet respectively, turbine device utilizes the current of filling pipe and the pressure difference of water intake and water outlet to drive turbine to rotate, turbine drives turbine shaft to rotate, the permanent magnet clutch driven end of permanent magnet clutch drive end drive electrical generators axle one end of turbine shaft one end rotates, permanent magnet clutch driven end drives p-m rotor sectioned coil magnetic line of force generation current, electric current leads to laminated distributor under well water flood monitoring system by tenminal block and provides electric power, and be chargeable cell charging.
The present invention has water injection well generating power downhole function, and this power generation system structure is simple, compact, good airproof performance, and reliable working performance is easy to install, can the feature of Long-Time Service.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is generating power downhole system architecture schematic diagram;
Fig. 2 is A-A sectional drawing;
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of water injection well generating power downhole system, and have for the upper connection 1 of connecting downhole filling pipe, lower contact 14, sheath 13 connects upper connection 1 and lower contact 14, be linked in sequence in sheath 13 inner chamber upper bush 18, middle sleeve 17 and lower sleeve 16, upper bush 18, middle sleeve 17 and the side of lower sleeve 16 have locating stud 15 to be connected, first seal ring 2 is connected between upper connection 1 and sheath 13, upper bush 18, the opposite side of middle sleeve 17 and lower sleeve 16 has turbo-generator installation, upper bush die cavity is had in another sidewall of upper bush 18, the pressure cap 3 of upper bush die cavity is connected with upper bush die cavity by the second seal ring 4, second bearing 8, the center hole of clutch shaft bearing 5 is connected with generator shaft 20, clutch shaft bearing 5, second bearing 8, coil 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, p-m rotor 7 connecting coil 6, one end of turbine shaft 11 is connected to lower sleeve 16 by the 3rd bearing 12, turbine 10 is connected in the middle sleeve die cavity in another sidewall of middle sleeve 17, turbine 10 connects turbine shaft 11, second jump ring 23, 3rd seal ring 9 is connected in upper bush die cavity, the sidewall of middle sleeve 17 connects water intake 24, water outlet 25.
A kind of water injection well generating power downhole system, described power generation system comprises: for upper connection 1, the lower contact 14 of connecting downhole filling pipe, and be connected to the sheath 13 of upper connection 1, lower contact 14; The turbo-generator installation providing electric power is installed in sheath 13, the current providing the turbine device of power to utilize filling pipe and water intake 24 drive turbine to rotate with the pressure difference of water outlet 25, turbine shaft drives p-m rotor cutting magnetic line generation current by permanent magnet clutch, electric current leads to laminated distributor under well water flood monitoring system by tenminal block and provides electric power, and is chargeable cell charging.The present invention has compact structure, good airproof performance, and reliable working performance is easy to install, can the feature of Long-Time Service.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of water injection well generating power downhole system, comprise: for connecting upper connection 1, the lower contact 14 of layered water injection pipeline, electricity generating device is installed in sheath 13, the sheath 13 upper lower contact that is threaded, be installed in parallel lower sleeve 16, middle sleeve 17, upper bush 18 in sheath 13, and seal lower sleeve 16, middle sleeve 17, upper bush 18.
Lower sleeve 16, middle sleeve 17, upper bush 18 comprise: seal ring, pressure cap, bearing, generator coil, p-m rotor, generator shaft, water intake, water outlet, turbine, turbine shaft, jump ring, permanent magnet clutch.
Turbine system is placed in middle sleeve 17, and middle sleeve 17 is eccentric adjusting sleeves, and thick end is processed with an axial circular hole, for placing turbine and turbine shaft, its upper and lower two ends process two inclined holes, water intake and water outlet, and output guiding chamfering, thin end is processed with pilot hole.
Be processed with shoulder hole in upper bush 18, for installing power coil, p-m rotor and permanent magnet clutch, antimere is processed with pilot hole.
Lower sleeve 17 is processed with a blind hole, and for installing turbine shaft bearing, antimere is provided with pilot hole.
Turbine device drives turbine to rotate by the water flow velocity of filling pipe and the pressure difference of water intake and water outlet, and turbine shaft 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 intake 24 by middle sleeve 17, turbine 10 rotates due to current pressing down, and is discharged by water outlet 25.When turbine 10 rotates, turbine shaft 11 also rotates under the radial support of bearing 3 thereupon, the permanent magnet clutch drive end 22 of turbine shaft 11 one end also will rotate, rotated by permanent magnet clutch driven end 21 drive electrical generators axle 20, p-m rotor 7 on generator shaft 20 is by cutting magnetic line generation current, electric current leads to laminated distributor under well water flood monitoring system by tenminal block and provides electric power, and is chargeable cell charging.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (4)
1. a water injection well generating power downhole system, is characterized in that comprising: for connecting the upper and lower joint of layered water injection pipeline, electricity generating device is installed in sheath, and the sheath upper and lower joint that is threaded has been installed in parallel three sleeves, and has sealed in sheath; Three sleeves comprise: seal ring, pressure cap, bearing, generator coil, p-m rotor, generator shaft, water intake, water outlet, turbine, turbine shaft, jump ring, permanent magnet clutch; Turbine system is placed in middle sleeve, and middle sleeve is an eccentric adjusting sleeve, and thick end is processed with an axial circular hole, and for placing turbine and turbine shaft, its upper and lower two ends process two inclined holes, water intake and water outlet, and output guiding chamfering, and thin end is processed with pilot hole.
2. a kind of water injection well generating power downhole system according to claim 1, it is characterized in that being processed with shoulder hole in upper bush, for installing power coil, p-m rotor and permanent magnet clutch, antimere is processed with pilot hole; Lower sleeve is processed with a blind hole, and for installing turbine shaft bearing, antimere is provided with pilot hole.
3. a kind of water injection well generating power downhole system according to claim 1, is characterized in that; Turbine device drives turbine to rotate by the water flow velocity of filling pipe and the pressure difference of water intake and water outlet, and turbine shaft 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.
4. a water injection well generating power downhole method, is characterized in that containing following steps;
Three sleeves are installed by locating stud and are located and connect, and wherein, by pressure cap, bearing, generator coil, p-m rotor, generator shaft and permanent magnet clutch driven end are fixed and are sealed with seal ring in upper bush, in middle sleeve, turbine is arranged on turbine shaft, turbine shaft is separately fixed in upper bush and lower sleeve by bearing, turbine shaft one end is provided with permanent magnet clutch drive end, turbine two ends hole wall is processed with water intake and water outlet respectively, turbine device utilizes the current of filling pipe and the pressure difference of water intake and water outlet to drive turbine to rotate, turbine drives turbine shaft to rotate, the permanent magnet clutch driven end of permanent magnet clutch drive end drive electrical generators axle one end of turbine shaft one end rotates, permanent magnet clutch driven end drives p-m rotor sectioned coil magnetic line of force generation current, electric current leads to laminated distributor under well water flood monitoring system by tenminal block and provides electric power, and be chargeable cell charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450050.5A CN104514666B (en) | 2013-09-27 | 2013-09-27 | Water injection well underground 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 underground power generation system and method |
Publications (2)
| Publication Number | Publication Date |
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| CN104514666A true CN104514666A (en) | 2015-04-15 |
| CN104514666B CN104514666B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310450050.5A Active CN104514666B (en) | 2013-09-27 | 2013-09-27 | Water injection well underground power generation system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681163A (en) * | 2018-05-23 | 2019-04-26 | 中国石油化工股份有限公司 | A kind of water injection well Retrievable underground power generator and method |
| CN111917207A (en) * | 2020-08-31 | 2020-11-10 | 大福泵业有限公司 | A miniature integrated permanent magnet rotor |
| US10890052B2 (en) | 2018-03-23 | 2021-01-12 | Petrochina Company Limited | Downhole power generation device and separate-zone waterflooding device |
| WO2022126834A1 (en) * | 2020-12-15 | 2022-06-23 | 海洋动力(海南自贸区)新能源科技有限公司 | Longitudinal multi-shaft cone pulley supercharging power converter |
| CN117432568A (en) * | 2023-12-21 | 2024-01-23 | 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 |
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| GB1309350A (en) * | 1970-10-13 | 1973-03-07 | Alsthom Cgee | Labyrinth sealing devices for drilling turbines and to drilling turbines fitted therewith |
| CN101655008A (en) * | 2009-09-18 | 2010-02-24 | 哈尔滨工业大学 | Self-power generation type high-pressure impeller flowmeter of water injection well |
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| US7984772B1 (en) * | 2010-10-25 | 2011-07-26 | Hall David R | Downhole centrifugal drilling fluid separator |
| 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 |
| CN102635486A (en) * | 2012-04-27 | 2012-08-15 | 中国石油集团西部钻探工程有限公司 | Turbine driven downhole slurry generator |
| CN102953912A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | Rotating magnetic field type underground generating set |
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2013
- 2013-09-27 CN CN201310450050.5A patent/CN104514666B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1309350A (en) * | 1970-10-13 | 1973-03-07 | Alsthom Cgee | Labyrinth sealing devices for drilling turbines and to drilling turbines fitted therewith |
| CN201448100U (en) * | 2009-08-13 | 2010-05-05 | 西安石油大学 | Water injection well downhole flow automatic control device |
| CN101655008A (en) * | 2009-09-18 | 2010-02-24 | 哈尔滨工业大学 | Self-power generation type high-pressure impeller flowmeter of water injection well |
| US7984772B1 (en) * | 2010-10-25 | 2011-07-26 | Hall David R | Downhole centrifugal drilling fluid separator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10890052B2 (en) | 2018-03-23 | 2021-01-12 | Petrochina Company Limited | Downhole power generation device and separate-zone waterflooding device |
| CN109681163A (en) * | 2018-05-23 | 2019-04-26 | 中国石油化工股份有限公司 | A kind of water injection well Retrievable underground power generator and method |
| CN111917207A (en) * | 2020-08-31 | 2020-11-10 | 大福泵业有限公司 | A miniature integrated permanent magnet rotor |
| WO2022126834A1 (en) * | 2020-12-15 | 2022-06-23 | 海洋动力(海南自贸区)新能源科技有限公司 | Longitudinal multi-shaft cone pulley supercharging power converter |
| US11971007B2 (en) | 2020-12-15 | 2024-04-30 | Marine Dynamic (Hainan Free Trade Zone) New Energy Technology Limited | Power converter having boosting mechanism with multi-shaft vertically stepped turbine |
| CN117432568A (en) * | 2023-12-21 | 2024-01-23 | 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 |
| 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 |
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| CN104514666B (en) | 2017-01-25 |
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