CN109681163A - A kind of water injection well Retrievable underground power generator and method - Google Patents
A kind of water injection well Retrievable underground power generator and method Download PDFInfo
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- CN109681163A CN109681163A CN201810500392.6A CN201810500392A CN109681163A CN 109681163 A CN109681163 A CN 109681163A CN 201810500392 A CN201810500392 A CN 201810500392A CN 109681163 A CN109681163 A CN 109681163A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 9
- 210000002445 nipple Anatomy 0.000 claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 10
- 239000000411 inducer Substances 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 5
- 210000004209 hair Anatomy 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 11
- 238000010248 power generation Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 108091006146 Channels Proteins 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- 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
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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
- F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
-
- 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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Power Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of water injection well Retrievable underground power generator and methods, wherein device includes hollow orientation spool, retrievable type generating set, the retrievable type generating set is arranged in hollow orientation spool inner cavity, pipe nipple positive terminal is arranged in the hollow orientation spool inner wall, pipe nipple anode connector, retrievable type generating set lower end connects landing nipple, on the positioning step that the inner wall that the landing nipple outer wall is located in hollow orientation spool opens up, the landing nipple setting positions wet positive terminal, position wet anode connector, the wet positive terminal of positioning, position the anode of wet anode connector one side and retrievable type generating set, cathode is correspondingly connected with, another aspect and pipe nipple positive terminal, pipe nipple anode connector is correspondingly connected with.The present invention can provide long-term and stable electric power energy for downhole intelligent water injection tool.It ensure that downhole intelligent water filling device works normally for a long time.
Description
Technical field
The present invention relates to water flooding technical field, specifically a kind of water injection well Retrievable underground power generator
And method.
Background technique
In water flooding field, seperated layer water injection has become the main means for improving waterflooding development effect, layering note
The development of water technology successively experienced four-stage, and the first stage is fixed separate zone waterflooding technology, and water nozzle is fixed, and water injection rate can not
Allotment；Second stage is movable separate zone waterflooding technology, and movable water nozzle can be tested by way of multiple pulling water nozzle
Allotment；Phase III is to survey to adjust integrated type separate zone waterflooding technology, and water nozzle is built in injection well downhole flow regulator, it is only necessary to which tripping in one plows measurement and adjustment instrument
Device can complete each layer test allotment work in underground, which is also the technology that current each elephant is mainly applied and promoted；
Fourth stage is intelligent wireless separate zone waterflooding technology, realizes that underground real-time radio is surveyed by downhole intelligent injection well downhole flow regulator and adjusts, eliminates
The cumbersome and complicated workloads such as underground dropping-fishing test allotment, realize underground real-time monitoring and dynamic adaptation, at present the technology
Still in research and development and bench-scale testing stage.
Intelligent wireless the separate zone waterflooding technology either allotment of underground real-time monitoring or data wireless transmission require long-term
Stable power supply system.It powers using from charged pool, is limited by underground bulk, battery volume and battery capacity all compare
It is small, electric circuit in well system low-power consumption is designed and proposes requirements at the higher level；Secondly, under battery-powered state, underground real-time monitoring, intelligence
Allotment and data acquire real-time transmission, can generate persistently higher energy consumption, it will the service life of extreme influence battery；Underground supplies
Battery be expendable consumed product, can not cycle charging utilize, frequently replace battery then mean huge operation, be produced into
This.Currently, energy storage battery is highly developed, and the technology that utilizes water for producing electric power is relatively mature, and water injection well in oil fields has fluid
Injection of stablizing have the source of generation driving force, therefore intelligent wireless layering can be given by water injection well underground self-powered technology
Water filling provides long-term and stable electric power safeguard.
By retrieval, application number: 200810114632.5, publication date 2012-01-11 disclose a kind of generating power downhole dress
It sets, which is arranged in downhole drill system, and wherein well system includes the drive for driving drill bit to rotate
Moving axis and the guide support rotary sleeve being set in outside drive shaft, which includes generator, which is mounted on
In space between drive shaft and guide support rotary sleeve, and there is body and armature spindle, wherein the fixed peace of the body of generator
On guide support rotary sleeve, driver is connected between the armature spindle of the generator and the drive shaft of well system
Structure, the transmission mechanism are used to the rotational power of drive shaft passing to armature spindle.Down-hole electric generating apparatus of the invention is not only able to
Powerful electric energy is provided in downhole drill system, and can be timeless in underground with the progress of drillng operation
Work.
Although disclosing some down-hole electric generating apparatus, do not sent out with the open source literature of same technique scheme of the present invention
It is existing, and multiple technical problems to be solved by this invention, the open source literature retrieved also can not all solve.It is disclosed above simultaneously
Document does not have technical inspiration to the present invention yet.
Summary of the invention
The purpose of the present invention is to provide a kind of water injection well Retrievable underground power generator and methods, can be downhole intelligent
Water injection tool provides long-term and stable electric power energy.It ensure that downhole intelligent water filling device works normally for a long time.Underground pulling
Power generator is independent sector, and maintenance can be intended for single use, and can also be repeatedly used, and charging electricity every time can carry out
It salvages.
In order to achieve the above objectives, present invention employs following technical solution, a kind of water injection well Retrievable underground power generation dresses
It sets, including hollow orientation spool, retrievable type generating set, the retrievable type generating set is arranged in hollow orientation spool inner cavity,
Pipe nipple positive terminal, pipe nipple anode connector, the connection of retrievable type generating set lower end is arranged in the hollow orientation spool inner wall
Landing nipple, on the positioning step that the inner wall that the landing nipple outer wall is located in hollow orientation spool opens up, the positioning is connect
Head setting positions wet positive terminal, the wet anode connector of positioning, the wet positive terminal of the positioning, the wet anode connector of positioning on the one hand with
Anode, the cathode of retrievable type generating set are correspondingly connected with, on the other hand corresponding with pipe nipple positive terminal, pipe nipple anode connector to connect
It connects.
The retrievable type generating set includes generator unit, fishing head, landing nipple, and the fishing head lower end is connected to hair
The upper end without magnetic outer tube of electric unit, the landing nipple are connected to the lower end without magnetic outer tube of generator unit, and the power generation is single
One group of member setting or be sequentially connected in series two groups and more than two.
The generator unit includes no magnetic outer tube, central axis, internal magnet, copper wire line packet, magnet involucrum, rectification circuit, leads
Blade, interior magnetic rotation rotary impeller are flowed, internal magnet, copper wire envelope curve is arranged in the central axis on no magnetic outer tube center cavity, central axis,
Magnet involucrum is wherein set outside copper wire envelope curve, and the magnet involucrum is fixed on no magnetic outer tube wall, and the copper wire envelope curve is drawn
Rectification circuit is connected after positive wire, negative wire, the no magnetic outer tube outer wall installs guide vane, interior magnetic rotation rotary impeller,
In interior magnetic rotation rotary impeller and internal magnet be in height.
The anode of the rectification circuit is connect by circuit plug with wet positive terminal is positioned, the cathode of the rectification circuit
It is connect with wet anode connector is positioned.
The landing nipple opens up axial passage, and the axial direction of the axial passage corresponds to impeller inducer, interior magnetic rotation rotating vane
Wheel.
In order to achieve the above objectives, present invention employs following technical solution, a kind of water injection well Retrievable underground power generation sides
Method, connects hollow orientation spool on water injection string, and inside has central passage to meet later period test equipment tripping in requirement, underground intelligence
When energy gauging means electric power deficiency, retrievable type generating set is put into from water injection well, by self gravity and injection hydraulic impact
The downlink along tubing string is docked until being shorted position to positioning with retrievable type generating set, retrievable type generating set and orientation spool
Between formed annular cross hydrospace；When normal water filling, oil pipe water directly impacts the impeller of retrievable type generating set, provides power generation
Power, generating set are started to work, and fluid dynamic energy is converted into electric energy, are charged to underground energy storage battery, and fluid flows through generator
Central water flooding channel is back flowed back into after group, after charging, fishing tool is carried by steel wire or anti-flushing well fluid power helps fishing
Mode pulls underground retrievable type generating set out, and tubing string central passage reopens, and meets later period test equipment tripping in demand.
Compared with the prior art, the invention has the following beneficial effects:
1, the present invention provides a whole set of solution for the charging of water injection well underground energy storage battery, ensure that downhole intelligent is infused
Water installations work normally for a long time.
2, pulling power generator in underground of the invention is independent sector, and maintenance can be intended for single use, can also be multiple
It reuses, charging electricity every time can be salvaged.
3, there is waterflood path in hollow orientation spool of the invention, test equipment can be met by requiring, will not influence note
The normal production test of well.
4, the present invention is arranged using independent generating set, and generator impeller length and series can connect, and meets
The demand of different generated outputs.
5, apparatus of the present invention are simple and compact for structure, influenced by borehole size limitation small, meet the need that generate electricity under small flow rate
It asks, installation is simple, easy to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of water injection well Retrievable underground power generator of the present invention；
Fig. 2 is retrievable type generator unit structure schematic diagram.
In figure: hollow orientation spool 101, retrievable type generating set 102, landing nipple 103, pipe nipple positive terminal 104, short
Save anode connector 105；
Catch head 1, impeller inducer 2, interior magnetic rotation rotary impeller 3, internal magnet 4, copper wire line packet 5, magnet involucrum 6, negative wire
7, positive wire 8, central axis 9, rectification circuit 10, wet without magnetic outer tube 11, circuit plug 12, the wet positive terminal 13 of positioning, positioning
Anode connector 14.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to and say
It is bright to be used, it is not intended to limit the present invention.
According to Fig. 1, Fig. 2, a kind of water injection well Retrievable underground power generator, including hollow orientation spool 101, retrievable type hair
Motor group 102, in hollow orientation spool inner cavity, the hollow orientation spool inner wall setting is short for the retrievable type generating set setting
Positive terminal 104, pipe nipple anode connector 105 are saved, retrievable type generating set lower end connects landing nipple 103, the positioning
On the positioning step that the inner wall that connector outer wall is located in hollow orientation spool opens up, the landing nipple setting positions wet anode and connects
First 13, wet anode connector 14 is positioned, it is described to position wet positive terminal, the wet anode connector one side of positioning and retrievable type generating set
Anode, cathode be correspondingly connected with, be on the other hand correspondingly connected with pipe nipple positive terminal, pipe nipple anode connector.
The retrievable type generating set includes generator unit, fishing head 1, landing nipple 103, the fishing head lower end connection
In the upper end without magnetic outer tube of generator unit, the landing nipple is connected to the lower end without magnetic outer tube of generator unit, the hair
One group or be sequentially connected in series two groups and more than two are arranged in electric unit.
The generator unit includes no magnetic outer tube 11, central axis 9, internal magnet 4, copper wire line packet 5, magnet involucrum 6, rectified current
Road 10, guide vane 2, interior magnetic rotation rotary impeller 3, the central axis be arranged on no magnetic outer tube center cavity, central axis internal magnet,
Copper wire envelope curve, is wherein arranged magnet involucrum outside copper wire envelope curve, the magnet involucrum is fixed on no magnetic outer tube wall, the copper wire
Envelope curve connects rectification circuit after drawing positive wire, negative wire, and the no magnetic outer tube outer wall installs guide vane, interior magnetic rotation
Impeller, wherein interior magnetic rotation rotary impeller and internal magnet are in height.
The anode of the rectification circuit is connect by circuit plug 12 with wet positive terminal 13 is positioned, the rectification circuit
Cathode is connect with wet anode connector 14 is positioned.
The landing nipple opens up axial passage, and the axial direction of the axial passage corresponds to impeller inducer, interior magnetic rotation rotating vane
Wheel.
Hollow orientation spool 101, upper end is connect with oil pipe, and lower end is connect with oil pipe, and there is retrievable type generating set in inside
102, lower end landing nipple 103 is threadedly coupled with generating set sealing, there is positive and negative connector, landing nipple limit outside landing nipple
Position after with inside hollow orientation spool positive terminal 104 and anode connector 105 dock respectively, realize be conductively connected.
It is hollow bore inside hollow orientation spool, inner radius has variable diameter step, can be docked with retrievable type generator
Positioning, generating set is outer after positioning and orientation spool internal diameter forms annular and crosses hydrospace, provides hydrodynamic force for generating set work
Channel, water pass through from the landing nipple water hole of generating set lower end after flowing through turbine.Generator itself is independent removable
It unloads, multiple generator installations can be connected in the cavity according to the demand of different generated outputs.Generating set is docked with orientation spool
When, the anode of generating set is connected with orientation spool anode, and the anode of generating set is connected with orientation spool anode, is all made of wet
Joint sealing connection type guarantees that short circuit does not occur in water environment.
There is fishing head 1 in generating set upper end, and tripping in instrument is facilitated to be docked when salvaging, and fishing head lower part connects multistage whirlpool
Multistage is arranged in wheel drive electromagnetic induction part and regulator rectifier circuit, impeller inducer 2, and impeller inducers 2 at different levels are pasted onto nothings at different levels
Outside magnetic outer tube 11, multistage is arranged in interior magnetic rotation rotary impeller 3, and multistage is arranged in no magnetic outer tube 11, and interior 3 empty sets of magnetic rotation rotary impeller at different levels exist
Outside no magnetic outer tubes 11 at different levels, no magnetic outer tubes at different levels are inlaid with magnet.Copper wire line packets 5 at different levels with negative wire 7, anode
Lead 8 is connected, until end is connect with rectification circuit 10, the circuit exported from rectification circuit is divided into cathode and anode, and anode connects
Head is docked by circuit plug 12 with wet 13 anode of positive terminal of the positioning of landing nipple, and cathode automatic butt landing nipple is determined
The wet anode connector 14 in position.9 paste outside of central axis internal magnet 4 at different levels and copper wire line packet, series are consistent with internal magnet rotary blade.
When power generation, water directly impacts interior magnetic rotation rotary impeller after passing through impeller inducer, and impeller internal magnet and central axis internal magnet are attracted same
Step rotation, transmission magnetic torque to central axis, centre axis copper wire line packet rotation, in the magnet effect that no magnetic outer tube is inlayed
Lower formation electromagnetic induction power generation, imports rectification circuit by positive and negative lead wires for electric current.
Hollow orientation spool is connected on water injection string, inside has central passage to meet later period test equipment tripping in requirement,
When downhole intelligent gauging means electric power deficiency, small generator and retrievable type generating set are put into from water injection well, by itself
Gravity and injection hydraulic impact downlink along tubing string, until it is interfaced to be shorted position to positioning, generator and orientation spool it
Between formed annular cross hydrospace.When normal water filling, the direct surge generator impeller of oil pipe water provides generation driving force, generator
Group is started to work, and fluid dynamic energy is converted into electric energy, is charged to underground energy storage battery, and fluid back flows back into after flowing through generating set
To central water flooding channel, after charging, fishing tool is carried by steel wire or anti-flushing well fluid power helps fishing mode, pulls underground out
Generating set, tubing string central passage reopen, and meet later period test equipment tripping in demand.
Generating set is absolute construction, can arbitrarily dismantle, installs, replace, and multiple can also be used in series, meet different hairs
The demand of electrical power.Internal water flooding channel is opened after pulling generating set out, can be met passing through for test equipment, be will not influence water filling
The normal production test of well.
In short, maintenance can be intended for single use in pulling power generator in underground of the invention, can also repeatedly use,
Charging electricity every time can be salvaged.Generator impeller length and series can be adjusted, influenced by borehole size limitation it is small,
Meet power generation needs under small flow rate.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit the scope of the patents of the invention, other are with this
The equivalence changes of patent of invention spirit should all belong to the scope of the patents of the invention.
Claims (6)
1. a kind of water injection well Retrievable underground power generator, including hollow orientation spool, retrievable type generating set, feature exist
In the retrievable type generating set setting is in hollow orientation spool inner cavity, the hollow orientation spool inner wall setting pipe nipple anode
Connector, pipe nipple anode connector, retrievable type generating set lower end connect landing nipple, and the landing nipple outer wall is located in sky
On the positioning step that the inner wall of heart orientation spool opens up, the landing nipple setting positions wet positive terminal, the wet cathode of positioning connects
Head, the wet positive terminal of the positioning, the wet anode connector of positioning on the one hand company corresponding with the anode of retrievable type generating set, cathode
It connects, is on the other hand correspondingly connected with pipe nipple positive terminal, pipe nipple anode connector.
2. a kind of water injection well Retrievable underground power generator according to claim 1, which is characterized in that the retrievable type hair
Motor group include generator unit, fishing head, landing nipple, it is described fishing head lower end be connected to generator unit without the upper of magnetic outer tube
End, the landing nipple are connected to the lower end without magnetic outer tube of generator unit, and the generator unit is arranged one group or successively goes here and there
Connection two groups and it is more than two.
3. a kind of water injection well Retrievable underground power generator according to claim 2, which is characterized in that the generator unit
Including no magnetic outer tube, central axis, internal magnet, copper wire line packet, magnet involucrum, rectification circuit, guide vane, interior magnetic rotation rotary impeller,
Internal magnet, copper wire envelope curve is arranged in the central axis on no magnetic outer tube center cavity, central axis, wherein setting outside copper wire envelope curve
Magnet involucrum, the magnet involucrum are fixed on no magnetic outer tube wall, and the copper wire envelope curve connects after drawing positive wire, negative wire
Rectification circuit is connect, the no magnetic outer tube outer wall installs guide vane, interior magnetic rotation rotary impeller, wherein interior magnetic rotation rotary impeller and internal magnet
In same height.
4. a kind of water injection well Retrievable underground power generator according to claim 3, which is characterized in that the rectification circuit
Anode connect by circuit plug with wet positive terminal is positioned, cathode and the wet anode connector company of positioning of the rectification circuit
It connects.
5. a kind of water injection well Retrievable underground power generator according to claim 4, which is characterized in that the landing nipple
Axial passage is opened up, the axial direction of the axial passage corresponds to impeller inducer, interior magnetic rotation rotary impeller.
6. a kind of water injection well Retrievable underground electricity-generating method, which is characterized in that hollow orientation spool is connected on water injection string, it is interior
Portion has central passage to meet later period test equipment tripping in requirement, when downhole intelligent gauging means electric power deficiency, throws from water injection well
Enter retrievable type generating set, by self gravity and injection hydraulic impact downlink along tubing string, until to positioning be shorted position with
The docking of retrievable type generating set forms annular and crosses hydrospace between retrievable type generating set and orientation spool；When normal water filling, oil
Pipe water directly impacts the impeller of retrievable type generating set, provides generation driving force, and generating set is started to work, and fluid dynamic energy is turned
It changes electric energy into, charges to underground energy storage battery, fluid back flows back into central water flooding channel after flowing through generating set, and charging finishes
Afterwards, fishing tool is carried by steel wire or anti-flushing well fluid power helps fishing mode, pull underground retrievable type generating set, tubing string center out
Channel reopens, and meets later period test equipment tripping in demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500392.6A CN109681163B (en) | 2018-05-23 | 2018-05-23 | Water injection well throwing and fishing type underground power generation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500392.6A CN109681163B (en) | 2018-05-23 | 2018-05-23 | Water injection well throwing and fishing type underground power generation device and method |
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| Publication Number | Publication Date |
|---|---|
| CN109681163A true CN109681163A (en) | 2019-04-26 |
| CN109681163B CN109681163B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810500392.6A Active CN109681163B (en) | 2018-05-23 | 2018-05-23 | Water injection well throwing and fishing type underground power generation device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446853A (en) * | 2022-11-07 | 2023-07-18 | 中国石油天然气集团有限公司 | Side wall cabin type measurement and control system with active cooling function |
| CN116792067A (en) * | 2023-08-28 | 2023-09-22 | 山东大东联石油设备有限公司 | Underground cableless intelligent measurement and control system device and application method |
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2018
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| US4132269A (en) * | 1978-01-16 | 1979-01-02 | Union Oil Company Of California | Generation of electricity during the injection of a dense fluid into a subterranean formation |
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| CN102773582A (en) * | 2012-08-15 | 2012-11-14 | 哈尔滨工业大学（威海） | Submersible type digital underwater wet process welding power source and application thereof |
| CN105144568A (en) * | 2013-06-17 | 2015-12-09 | 哈利伯顿能源服务公司 | Downhole power generation system |
| CN104514666A (en) * | 2013-09-27 | 2015-04-15 | 中国石油天然气股份有限公司 | Water injection well underground power generation system and method |
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| CN116446853A (en) * | 2022-11-07 | 2023-07-18 | 中国石油天然气集团有限公司 | Side wall cabin type measurement and control system with active cooling function |
| CN116792067A (en) * | 2023-08-28 | 2023-09-22 | 山东大东联石油设备有限公司 | Underground cableless intelligent measurement and control system device and application method |
| CN116792067B (en) * | 2023-08-28 | 2023-10-24 | 山东大东联石油设备有限公司 | Underground cableless intelligent measurement and control system device and application method |
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