CN110607996A - Turbine drilling tool underground friction nanometer power generation nipple - Google Patents
Turbine drilling tool underground friction nanometer power generation nipple Download PDFInfo
- Publication number
- CN110607996A CN110607996A CN201910817580.6A CN201910817580A CN110607996A CN 110607996 A CN110607996 A CN 110607996A CN 201910817580 A CN201910817580 A CN 201910817580A CN 110607996 A CN110607996 A CN 110607996A
- Authority
- CN
- China
- Prior art keywords
- power generation
- impeller
- friction
- drilling tool
- friction plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000010248 power generation Methods 0.000 title claims abstract description 43
- 210000002445 nipple Anatomy 0.000 title claims description 13
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002086 nanomaterial Substances 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/021—Devices for subsurface connecting or disconnecting by rotation
-
- 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
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a turbine drilling tool downhole friction nanometer power generation short section which comprises an upper connector, a circuit cabin and a lower connector, wherein a fluid inlet is arranged at the upper part of the upper connector, the upper end of the circuit cabin is connected with the upper connector, a containing cavity is arranged between the upper connector and the lower connector, the fluid inlet is communicated with the containing cavity, the containing cavity is provided with a plurality of fluid outlets, a support and a magnetic impeller are arranged in the containing cavity, the support is fixedly arranged, the impeller is rotatably fixed on the support, the lower end of the circuit cabin is connected with the lower connector, a closed power generation cavity is arranged between the lower connector and the lower connector, a magnetic upper friction plate, a nanometer material lower friction plate and a circuit board are arranged in the power generation cavity, the lower friction plate is fixedly arranged right below the impeller, an annular groove is arranged on the. The invention has the beneficial effects that: the real-time power supply reduces the complexity of the drilling process and improves the efficiency; the sealing ring is not directly contacted with fluid, so that fine sealing can be realized, and the reliability is improved.
Description
Technical Field
The invention relates to the technical field of drilling instruments and meters, in particular to a turbine drilling tool underground friction nanometer power generation nipple.
Background
In recent years, with the accelerated advance of industrialization, urbanization and agricultural modernization in China, the contradiction between supply and demand of mineral resources in China is increasingly prominent, the demand for the mineral resources is in a rigid rising situation, and due to the gradual exhaustion of shallow mineral resources, the schedule for exploiting deep mineral resources is advanced. For deep geological exploration and development, a turbine drilling tool is generally adopted for drilling.
For the turbine drilling tool, relevant parameters of the turbine drilling tool during the underground operation are important parameters for establishing a drilling process, so that the turbine drilling tool is required to be measured in real time by using a measurement while drilling system of the turbine drilling tool.
For the turbine drilling tool underground measurement while drilling system, three main power supply modes are available at the present stage, one mode adopts cable power supply, but the cable power supply mode increases the construction difficulty, reduces the drilling efficiency and increases the drilling cost; secondly, the turbine drilling tool is powered by a battery, but the capacity of the battery is limited, and the turbine drilling tool measurement while drilling system needs to be taken out from the underground frequently to replace the battery, so that the drilling efficiency is reduced; and thirdly, the underground working condition is directly utilized to generate electricity, so that uninterrupted power supply is realized, the method has the highest efficiency, but the current underground power generation mode is to utilize fluid to impact an impeller to rotate for generating electricity, the power generation mode needs to carry out dynamic sealing on power generation equipment, and as the turbine drilling tool is mostly used in a deep well environment, larger fluid pressure exists, and the sealing design is difficult to guarantee. Therefore, a new power generation device suitable for a turbine drilling tool downhole measurement while drilling system needs to be developed.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a turbine drilling tool downhole friction nanometer power generation pup joint.
The embodiment of the invention provides a turbine drilling tool downhole friction nanometer power generation short section which comprises an upper connector, a circuit cabin and a lower connector, wherein a fluid inlet is arranged at the upper part of the upper connector, the upper end of the circuit cabin is connected with the upper connector, a containing cavity is arranged between the upper connector and the circuit cabin, the fluid inlet is communicated with the containing cavity, a plurality of fluid outlets are arranged on the side wall of the containing cavity, a support and a magnetic impeller are arranged in the containing cavity, the support is fixedly arranged, the impeller is rotatably fixed on the support, the lower end of the circuit cabin is connected with the lower connector, a closed power generation cavity is arranged between the upper connector and the lower connector, a magnetic upper friction plate, a nanometer material lower friction plate and a circuit board are arranged in the power generation cavity, the lower friction plate is fixedly arranged right below the impeller, an annular groove is arranged on the upper surface of the lower friction plate, the upper friction, the circuit board is connected with the upper friction plate and the lower friction plate respectively, the impeller is used for receiving fluid impact to rotate, the upper friction plate is attracted to rotate and generates electricity with the lower friction plate in a friction mode, and the circuit board is used for storing electric energy.
Furthermore, the upper friction plate is a circular ring plate, the upper friction plate is arranged in the groove and is positioned below the outer circumferential edge of the impeller, and the axis of the upper friction plate coincides with the axis of the impeller.
Furthermore, the upper joint is a round table with a thin upper end and a thick lower end, a vertically arranged step through hole is arranged in the upper joint, the upper part of the step through hole is the fluid inlet, and the lower part of the step through hole is the accommodating cavity.
Further, the support is a hollow stepped boss, the lower end of the support is a boss shaft, the upper end of the support is fixed on the upper wall of the accommodating cavity, the middle of the support is communicated with the fluid inlet, and the impeller is sleeved on the boss shaft.
Further, the impeller comprises a hollow wheel shaft and a plurality of spiral blades, all the spiral blades are fixed on the outer wall of the wheel shaft and are uniformly distributed around the wheel shaft, and the wheel shaft is rotatably sleeved on the boss shaft.
Furthermore, the circuit cabin is a cylinder, the upper end of the circuit cabin is closed, a cylindrical power generation cavity extending downwards is arranged inside the circuit cabin, the lower end of the circuit cabin is connected with the lower joint, the lower joint seals the power generation cavity, the lower friction plate is disc-shaped, and the outer wall of the lower friction plate is fixedly attached to the inner wall of the power generation cavity.
Further, still be equipped with the fixing base in the electricity generation intracavity, the fixing base is the disc, the fixing base outer wall with electricity generation intracavity wall laminating is fixed, the circuit board is fixed in through the fastener on the fixing base.
Further, the impeller is a magnetized steel impeller or an iron impeller, and the upper friction plate is a magnetized steel circular ring plate.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: compared with the traditional cable power supply and battery power supply, the power supply mode is real-time power supply, so that the complexity of a drilling process is reduced, and the efficiency is improved; compared with the traditional mode of generating power by impacting the impeller to rotate by the underground fluid, the mode is designed by utilizing the friction electrification principle of the nano material, so that the power generation equipment is not directly contacted with the fluid, the fine sealing can be realized, the sealing difficulty is simplified, and the reliability is improved.
Drawings
FIG. 1 is a front view of a turbine drilling tool downhole friction nanometer power generation nipple of the present invention;
FIG. 2 is a top view of a turbine drilling tool downhole friction nanometer power generation nipple of the present invention;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic diagram of the working principle of the turbine drilling tool downhole friction nanometer power generation nipple joint.
In the figure: 1-upper joint, 2-circuit cabin, 3-lower joint, 4-containing cavity, 5-support, 6-impeller, 7-fluid inlet, 8-fluid outlet, 9-screw, 10-nut, 11-power generation cavity, 12-upper friction plate, 13-lower friction plate, 14-circuit board, 15-fixing seat and 16-bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a turbine drilling tool downhole friction nanometer power generation nipple, including an upper joint 1, a circuit cabin 2, and a lower joint 3.
The upper joint 1 is a round table with a thin upper end and a thick lower end, a vertically arranged step through hole is arranged in the upper joint, the radius of the upper part of the step through hole is small, the radius of the lower part of the step through hole is large, the upper part of the step through hole is a cylindrical fluid inlet 7, and the lower part of the step through hole is a cylindrical accommodating cavity 4. Hold and be equipped with support 5 and magnetic impeller 6 in the chamber 4, support 5 is hollow ladder cylinder boss, the lower extreme of support 5 is boss axle 10, the terminal surface of support 5 upper end with the upper wall that holds chamber 4 laminates mutually, and the terminal surface of support 5 upper end is equipped with a plurality of screws 9, will through these screws 9 support 5 is fixed in hold on the upper wall of chamber 4. The axis of the support 5 coincides with the axis of the accommodating cavity 4, and the middle part of the support 5 is communicated with the fluid inlet 7 and the accommodating cavity 4.
The impeller 6 comprises a hollow wheel shaft and a plurality of spiral blades, all the spiral blades are welded on the outer wall of the wheel shaft, all the spiral blades are uniformly distributed around the wheel shaft, and the wheel shaft is rotatably sleeved on the boss shaft 10. The number of the helical blades is two, the two helical blades are positioned on a straight line, the wheel shaft is sleeved on the boss shaft 10, the lower end of the boss shaft 10 is provided with a nut 10 in threaded connection, the impeller 6 is restrained on the boss shaft 10 by the nut 10, and the impeller 6 can rotate under the action of external force. The side wall of the accommodating cavity 4 is provided with a plurality of fluid outlets 8, in this embodiment, the fluid outlets 8 are circular holes extending along the radial direction of the accommodating cavity 4, and all the fluid outlets 8 are uniformly arranged around the impeller 6.
The upper end of the circuit cabin 2 is connected with the lower end of the upper joint 1. The circuit cabin is 2 cylinders, and the upper end is sealed, and inside is equipped with downwardly extending's cylindrical power generation chamber 11, power generation chamber 11 with hold the coincidence of chamber 4 axis. In this embodiment, the lower end of the upper joint 1 is provided with an internal thread, the upper end of the circuit cabin 2 is provided with an external thread, the lower end of the circuit cabin is provided with an internal thread, and the lower end of the upper joint 1 is in threaded connection with the upper end of the circuit cabin 2.
Referring to fig. 1 and 3, a magnetic upper friction plate 12, a nanomaterial lower friction plate 13, and a circuit board 14 are disposed in the power generation cavity 11. The lower friction plate 13 is fixedly arranged under the impeller 6, the lower friction plate 13 is disc-shaped, the outer wall of the lower friction plate 13 is fixedly attached to the inner wall of the power generation cavity 11, an annular groove is formed in the upper surface of the lower friction plate 13, and the upper friction plate 12 is arranged in the groove and can slide. In this embodiment, the upper friction plate 12 is a circular ring plate, and is located below the outer circumferential edge of the impeller 6, and the axis thereof coincides with the axis of the impeller 6. The impeller 6 has magnetism, and the magnetic force of the helical blade of the impeller 6 can penetrate through the upper end surface of the circuit compartment 2 and act on the upper friction plate 12 to attract the upper friction plate 12 to slide in the groove. Still be equipped with fixing base 15 in the electricity generation chamber 11, fixing base 15 is the disc, fixing base 15 set up in the below of lower friction disc 13, fixing base 15 outer wall with the laminating of electricity generation chamber 11 inner wall is fixed, circuit board 14 is fixed in through the fastener on the fixing base 15, here the fastener is bolt 16. The inner wall of the power generation cavity 11 is provided with an internal thread, the outer wall of the lower friction plate 13 and the outer wall of the fixing seat 15 are both provided with an external thread, and the two threads are connected with the power generation cavity 11.
The lower joint 3 is cylindrical, an external thread is arranged at the upper end of the lower joint 3, the lower end of the circuit cabin 2 is connected with the upper end of the lower joint 3, and the lower joint 3 seals the lower end of the power generation cavity 11.
The circuit board 14 is respectively connected with the upper friction plate 12 and the lower friction plate 13 through conducting wires, and the circuit board 14 can store electric energy generated by friction of the upper friction plate 12 and the lower friction plate 13.
It should be noted that, in order to ensure that the magnetic action of the impeller 6 on the upper friction plate 12 is not affected by the outside, the upper joint 1, the circuit cabin 2 and the lower joint 3 are all made of nonmagnetic stainless steel, the impeller 6 is made of a steel impeller or an iron impeller made of common steel or iron, and after the manufacturing is completed, the impeller 6 is made to have magnetism through a magnetization process, that is, the impeller 6 is changed into a magnet through the magnetization process. The upper friction plate 12 is made of magnetic steel, and the lower friction plate 13 is made of non-metal nano materials.
Referring to fig. 3, the working principle of the downhole friction nano power generation nipple of the turbine drilling tool provided in this embodiment is as follows: will top connection 1 or lower clutch 3 connect the drilling rod of turbo drilling tool or turbo drilling tool when the turbo drilling tool rotates work, fluid (mud) in the pit flows in along fluid entry 7 hold chamber 4, and by fluid export 8 flows out, fluid promotes at the flow in-process impeller 6 rotates, impeller 6 is right the magnetic force effect of last friction disc 12 attracts go up friction disc 12 slides, causes go up friction disc 12 with produce relative slip between friction disc 13 down, and the electric energy transport to circuit board 14 storage can supply power for turbo drilling tool measurement while drilling system in the pit in real time.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a turbine drilling tool is friction nanometer electricity generation nipple joint in pit which characterized in that: including top connection, circuit cabin and lower clutch, top connection upper portion is equipped with the fluid entry, circuit cabin upper end is connected the top connection and be equipped with between the two and hold the chamber, the fluid entry with hold the chamber intercommunication, it is equipped with a plurality of fluid outlets to hold the chamber lateral wall, it is equipped with support and magnetic impeller to hold the intracavity, the support is fixed to be set up, the impeller is rotatable to be fixed in on the support, circuit cabin lower extreme is connected the lower clutch and is equipped with inclosed electricity generation chamber between the two, be equipped with magnetism upper friction piece, nano-material lower friction piece and circuit board in the electricity generation chamber, lower friction piece is fixed to be set up under the impeller, lower friction piece upper surface is equipped with the annular groove, upper friction piece is arranged in the recess and slidable, the circuit board is connected respectively upper friction piece with lower friction piece, the impeller is used for receiving fluid impact to rotate, so that the upper friction plate is attracted to rotate and generates electricity with the lower friction plate in a friction mode, and the circuit board is used for storing electric energy.
2. The turbine drilling tool downhole friction nanometer power generation nipple of claim 1, wherein: the upper friction plate is a circular ring plate, the upper friction plate is arranged in the groove and is positioned below the outer circumferential edge of the impeller, and the axis of the upper friction plate coincides with the axis of the impeller.
3. The turbine drilling tool downhole friction nanometer power generation nipple of claim 1, wherein: the upper joint is a round table with a thin upper end and a thick lower end, a vertically arranged step through hole is arranged in the upper joint, the upper part of the step through hole is the fluid inlet, and the lower part of the step through hole is the accommodating cavity.
4. The downhole friction nanometer power generation sub of a turbine drilling tool as claimed in claim 3, wherein: the support is a hollow stepped boss, the lower end of the support is a boss shaft, the upper end of the support is fixed on the upper wall of the accommodating cavity, the middle of the support is communicated with the fluid inlet, and the impeller is sleeved on the boss shaft.
5. The downhole friction nanometer power generation sub of a turbine drilling tool as claimed in claim 4, wherein: the impeller comprises a hollow wheel shaft and a plurality of spiral blades, all the spiral blades are fixed on the outer wall of the wheel shaft, all the spiral blades are uniformly distributed around the wheel shaft, and the wheel shaft is rotatably sleeved on the boss shaft.
6. The turbine drilling tool downhole friction nanometer power generation nipple of claim 1, wherein: the circuit cabin is a cylinder, the upper end of the circuit cabin is closed, a cylindrical power generation cavity extending downwards is arranged in the circuit cabin, the lower end of the circuit cabin is connected with the lower joint, the lower joint seals the power generation cavity, the lower friction plate is disc-shaped, and the outer wall of the lower friction plate is fixedly attached to the inner wall of the power generation cavity.
7. The downhole friction nanometer power generation sub of a turbine drilling tool as claimed in claim 6, wherein: the power generation cavity is internally provided with a fixing seat, the fixing seat is disc-shaped, the outer wall of the fixing seat is fixedly attached to the inner wall of the power generation cavity, and the circuit board is fixed on the fixing seat through a fastening piece.
8. The turbine drilling tool downhole friction nanometer power generation nipple of claim 1, wherein: the impeller is a magnetized steel impeller or an iron impeller, and the upper friction plate is a magnetized steel annular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817580.6A CN110607996B (en) | 2019-08-30 | 2019-08-30 | Turbine drilling tool underground friction nanometer power generation nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817580.6A CN110607996B (en) | 2019-08-30 | 2019-08-30 | Turbine drilling tool underground friction nanometer power generation nipple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110607996A true CN110607996A (en) | 2019-12-24 |
| CN110607996B CN110607996B (en) | 2021-11-05 |
Family
ID=68890848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910817580.6A Active CN110607996B (en) | 2019-08-30 | 2019-08-30 | Turbine drilling tool underground friction nanometer power generation nipple |
Country Status (1)
| Country | Link |
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| CN (1) | CN110607996B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619542A (en) * | 2020-12-30 | 2021-04-09 | 宜春万申制药机械有限公司 | Device for adjusting discharging speed of mixing machine |
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| CN201013526Y (en) * | 2007-03-01 | 2008-01-30 | 中国海洋石油总公司 | Down-hole turbogenerator |
| CN101725338A (en) * | 2008-10-15 | 2010-06-09 | 中国石化集团胜利石油管理局钻井工艺研究院 | Underground generation device |
| CN202545098U (en) * | 2012-03-19 | 2012-11-21 | 中国石油天然气集团公司 | Downhole turbine generator system |
| WO2016039748A1 (en) * | 2014-09-11 | 2016-03-17 | Halliburton Energy Services, Inc. | Electricity generation within a downhole drilling motor |
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| US10337557B1 (en) * | 2018-05-01 | 2019-07-02 | Upwing Energy, LLC | Rotodynamically isolated magnetic coupling |
| CN209067162U (en) * | 2018-09-03 | 2019-07-05 | 中国石油天然气股份有限公司 | Underground intelligent switch device |
-
2019
- 2019-08-30 CN CN201910817580.6A patent/CN110607996B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013526Y (en) * | 2007-03-01 | 2008-01-30 | 中国海洋石油总公司 | Down-hole turbogenerator |
| CN101725338A (en) * | 2008-10-15 | 2010-06-09 | 中国石化集团胜利石油管理局钻井工艺研究院 | Underground generation device |
| CN202545098U (en) * | 2012-03-19 | 2012-11-21 | 中国石油天然气集团公司 | Downhole turbine generator system |
| WO2016039748A1 (en) * | 2014-09-11 | 2016-03-17 | Halliburton Energy Services, Inc. | Electricity generation within a downhole drilling motor |
| CN205666727U (en) * | 2016-06-07 | 2016-10-26 | 兆钲企业有限公司 | Magnetic force is axle variable speed generator module even |
| US10337557B1 (en) * | 2018-05-01 | 2019-07-02 | Upwing Energy, LLC | Rotodynamically isolated magnetic coupling |
| CN209067162U (en) * | 2018-09-03 | 2019-07-05 | 中国石油天然气股份有限公司 | Underground intelligent switch device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619542A (en) * | 2020-12-30 | 2021-04-09 | 宜春万申制药机械有限公司 | Device for adjusting discharging speed of mixing machine |
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| Publication number | Publication date |
|---|---|
| CN110607996B (en) | 2021-11-05 |
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