CN200993072Y - Underground turbo generator - Google Patents
Underground turbo generator Download PDFInfo
- Publication number
- CN200993072Y CN200993072Y CNU2006201586035U CN200620158603U CN200993072Y CN 200993072 Y CN200993072 Y CN 200993072Y CN U2006201586035 U CNU2006201586035 U CN U2006201586035U CN 200620158603 U CN200620158603 U CN 200620158603U CN 200993072 Y CN200993072 Y CN 200993072Y
- Authority
- CN
- China
- Prior art keywords
- stator coil
- stator
- turbine generator
- flow tube
- main shaft
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 abstract description 51
- 239000012530 fluid Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 241001247986 Calotropis procera Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本实用新型公开了一种井下涡轮发电机，安装于空心钻杆的内部，包括定子线圈、转子磁铁，定子线圈通过流筒固定于钻杆的内壁上，转子磁铁固定于主轴上，主轴的上端连接有涡轮，在钻井过程中，高压循环钻井液通过钻杆的内部空腔并经过固定在流筒上的定子流筒改变方向后冲击涡轮转动，带动转子磁铁在定子线圈内转动，定子线圈切割磁力线实现发电。还包括整流装置，可为钻井仪器提供交流电或直流电。结构简单、性能可靠、功率高，适用于各种井下随钻设置，为井下随钻设备提供可靠的动力。
The utility model discloses an underground turbine generator, which is installed inside a hollow drill rod and includes a stator coil and a rotor magnet. The stator coil is fixed on the inner wall of the drill rod through a flow tube, the rotor magnet is fixed on the main shaft, and the upper end of the main shaft It is connected with a turbine. During the drilling process, the high-pressure circulating drilling fluid passes through the inner cavity of the drill pipe and changes direction through the stator flow tube fixed on the flow tube, and then impacts the turbine to rotate, driving the rotor magnet to rotate in the stator coil, and the stator coil cuts The lines of magnetic force realize power generation. Also included are rectifiers to provide AC or DC power to drilling tools. With simple structure, reliable performance and high power, it is suitable for various downhole drilling settings and provides reliable power for downhole drilling equipment.
Description
Technical field
The utility model relates to a kind of generator, relates in particular to a kind of turbogenerator of down-hole with the power supply of brill instrument that be.
Background technique
Along with the technological innovation of borehole instruments equipment, along with the extensive use of stepout well technologies such as horizontal well, cluster well, lateral well, wireless drilling equipment just becoming improve drilling efficiency indispensable key equipment.And the core technology of wireless drilling equipment is exactly how to provide reliable power source for underground equipment.
That uses always at present, has two kinds for underground equipment provides the method for power:
A kind of is to provide power with the well dynamic battery, present with the most well dynamic batteries that adopt of rig, but factor can not satisfy the demand of machinery instrument combination because well dynamic battery volume is excessive, outputting power is discontinuous, output power is limited etc.Make with rig and can't use when deep-well and the complicated well drillng operation.
Another kind is to adopt the down-hole to provide power with boring generator.
A kind of down-hole is the machine power generating that utilizes drilling well with boring generator, and this generation mode will consume certain mechanical energy on the one hand, is complex structure on the other hand, provides power discontinuous, unstable.
A kind of down-hole is a turbogenerator with boring generator, utilizes the pressure of the drilling fluid in the drilling process and impact force to generate electricity for power, for providing power with rig.This is the main flow direction of present down-hole with the development of brill generator, but present down-hole turbine generation machine technology is immature, complex structure, unstable properties, and also power is lower, and being difficult to provides reliable power for the down-hole of day by day popularizing with rig.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, reliable performance, down-hole turbogenerator that power is high.
The purpose of this utility model is achieved through the following technical solutions:
Down-hole of the present utility model turbogenerator, it is installed on the inside of hollow drill, comprises stator coil, rotor magnet, and described stator coil is fixed on the inwall of drilling rod;
Described rotor magnet is fixed on the main shaft, and is arranged at the inside of stator coil, can rotate at the internal freedom of stator coil;
The upper end of described main shaft is connected with turbine.
Also comprise stator stream tube, described stator stream tube is located at the top of turbine, and is fixed on the inwall of drilling rod, and described stator stream tube is provided with the stator chute, and described stator chute rises along the axis spiral of drilling rod.
Described turbine is provided with blade, and described blade rises along the axis spiral of drilling rod, and rotation direction is opposite with the rotation direction of described stator chute.
Also comprise the water conservancy diversion cover, be located at the below of stator coil, and be fixed on the inwall of drilling rod, be provided with guiding gutter in the described water conservancy diversion cover, the direction of described guiding gutter is consistent with the axial direction of drilling rod.
Also comprise the stream tube, described stream wound packages fits on the inwall of drilling rod, and described stator coil, stator stream tube and water conservancy diversion cover are fixed on the stream tube.
The upper end of described main shaft is connected by magnetic coupling with turbine, and described turbine inside is provided with drive magnet; The upper end of described main shaft is provided with from moving magnet.
Also comprise rectifying device, described rectifying device is fixed on the stator stream tube, and is electrically connected with stator coil.
At least one end in the lower end of described down-hole turbogenerator and upper end is provided with electrical plug, and described stator coil and rectifying device are electrically connected with electrical plug.
Described main shaft is a hollow shaft, and the inside of main shaft is provided with mandrel, and the electrical connecting wire between described stator coil, rectifying device and the electrical plug lays by mandrel.
The outer wall of one end of described hollow drill is provided with outside thread, and the inwall of the other end is provided with internal thread;
Described outside thread or internal thread just can mesh with the internal thread or the outside thread of other drilling rod one end.
The technological scheme that is provided by above-mentioned the utility model as can be seen, down-hole described in the utility model turbogenerator, owing to be installed on the inside of hollow drill, drilling fluid in the drilling process impacts turbine rotation after changing direction by the internal cavities of drilling rod and through stator stream tube, drive rotor magnet and rotate in stator coil, the stator coil cutting magnetic line is realized generating.Simple in structure, reliable performance, power height are applicable to that various down-holes put with being drilled with, for the down-hole provides reliable power with rig.
Can provide Ac or direct current for borehole instruments as required by rectifying device owing to also comprising again.
Description of drawings
Fig. 1 is the structural representation of the utility model down-hole turbogenerator.
Embodiment
The preferable embodiment of down-hole of the present utility model turbogenerator as shown in Figure 1,
Be installed on the inside of hollow drill 1, comprise stator coil 2, rotor magnet 3, described stator coil 2 is fixed on the inwall of drilling rod 1.
Described rotor magnet 3 is fixed on the main shaft 4, and is arranged at the inside of stator coil 2, can rotate at the internal freedom of stator coil 2.Main shaft 4 can be connected by bearing with the two ends of stator coil 2.
Can magnet frame be set at first on main shaft 4, then rotor magnet 3 be contained on the magnet frame, also can adopt other means of fixation.Like this, when main shaft 4 drive rotor magnets 3 rotated in stator coil 2, coil cutting magnetic line produced electromotive force, exportable threephase AC.
The upper end of described main shaft 4 is connected with turbine 5, and drilling rod 1 is in drilling process, and drilling fluid rotates by the internal cavities impulse turbine 5 of drilling rod 1 from top to bottom, drives rotor magnet 3 and rotates in stator coil 2, and stator coil 2 cutting magnetic lines are realized generating.The mode of generating can also adopt other mode except above-mentioned stator coil 2 and rotor magnet 3 in relative rotation the mode.
Also comprise stator stream tube 6, described stator stream tube 6 is located at the top of turbine 5, and be fixed on the inwall of drilling rod 1, described stator stream tube 6 is provided with the stator chute, and described stator chute rises along the axis spiral of drilling rod 1, after described drilling fluid changes direction through the stator chute, impulse turbine 5 rotates again, increasing the impact force of drilling fluid to turbine 5, the stator chute is along the axis spiral ascent direction and the angle of drilling rod 1, can determine according to conditions such as the flow velocity of drilling fluid, pressure.
Described turbine 5 is provided with blade, and described blade rises along the axis spiral of drilling rod 1, and rotation direction is opposite with the rotation direction of stator chute.Angle of elevation can be determined according to the conditions such as angle of the rising of the pressure of drilling fluid and stator chute.
Also comprise water conservancy diversion cover 7, be located at the below of stator coil 2, and be fixed on the inwall of drilling rod 1 that be provided with guiding gutter in the described water conservancy diversion cover 7, the direction of described guiding gutter is consistent with the axial direction of drilling rod 1.After drilling fluid is by stator stream tube 6 and turbine 5, can change direction, change into the direction of rotation by direction straight down.Because the direction of the guiding gutter on the water conservancy diversion cover 7 is consistent with the axial direction of drilling rod 1, the drilling fluid of rotation is through changing into direction straight down again behind the guiding gutter.
Also comprise stream tube 8, described stream tube 8 is assemblied on the inwall of drilling rod 1, and described stator coil 2, stator stream tube 6 and water conservancy diversion cover 7 are fixed on the stream tube 8.
The upper end of described main shaft 4 and turbine 5 are connected by magnetic coupling, and described turbine 5 inside are provided with drive magnet; The upper end of described main shaft 4 is provided with from moving magnet, rotates by drive magnet and couple drive main shaft 4 from moving magnet when turbine 5 rotates.Also can adopt modes such as mechanical connection, fluid power connection, friction clutch to connect.
Be provided with rubber bush bearing 15 between turbine 5 and the stator coil 2, turbine 5 is connected by rubber bush bearing 15 with stator coil 2 and can relatively rotates on the one hand.Rubber bush bearing 15 plays seal action on the other hand, prevents that drilling fluid from entering between rotor magnet 3 and the stator coil 2.
Also comprise rectifying device 9, described rectifying device 9 is fixed on the stator stream tube 6, and is electrically connected with stator coil 2.Stator stream tube 6 is fixed on the inwall of drilling rod 1 by stream tube 8 again, and therefore, rectifying device 9 is relative static, fixing with drilling rod 1.
Described stator coil 2 exportable Ac, and can pass through rectifying device 9 rectification output DCs.
The lower end and the upper end of described down-hole turbogenerator are provided with electrical plug 10, can only at one end establish electrical plug as required, also can establish electrical plug at two ends.
Described stator coil 2 can be electrically connected with electrical plug 10 by rectifying device 9, also can directly be electrically connected with electrical plug 10, and can pass through electrical plug 10 outside output AC electricity or direct currents, also simultaneously output AC electricity and direct current as required, need for the borehole instruments electricity consumption, the borehole instruments here comprises that down-holes such as logging instrument, rotary steering instrument, geosteering instrument are with rig.
Described main shaft 4 is a hollow shaft, and the inside of main shaft 4 is provided with mandrel 11, and the electrical connecting wire 14 between described stator coil 2, rectifying device 9 and the electrical plug 10 lays by mandrel 11.
The outer wall of one end of described hollow drill 1 is provided with outside thread 12, and the inwall of the other end is provided with internal thread 13; Described outside thread 12 just can with the engagement of the internal thread of other drilling rod one end, described internal thread 13 and just can meshing with the outside thread of other drilling rod one end.Can realize installing with other drilling rod very easily, dismantle, change.
In the drilling process, start slurry pump, the cycle of higher pressure drilling fluid by drill string has formed the medium of the continous-stable in ground to shaft bottom, and this medium has the hydraulic pressure energy.Drilling fluid flows in the stream pipe, by stator stream tube, make the direction of liquid stream change an angle, high pressure liquid stream rushes at wind generator turbines, drives Magnmet rotor and stator coil relative movement, the stator coil cutting magnetic line, make coil produce induction electromotive force, form the three-phase high-frequency alternating current, supply with the equipment that needs electric energy, can also be after rectification output DC, use for the latter.
The utility model can be converted to electric energy by generator with hydraulic pressure, and energy-conserving and environment-protective utilize the down-hole continuous drilling fluid generating that circulates, and replace battery.The down-hole output power is big, does not have high temperature decay and time decay.Can uninterruptedly and stably provide electric energy continuously for downhole instrument.
The utility model compact structure, volume are little.That each parts adopts is high temperature resistant, high pressure resistant, acid resistant alkali, corrosion-resistant design.Be applicable to that various down-holes put with being drilled with, for the down-hole provides reliable power with rig.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201586035U CN200993072Y (en) | 2006-11-28 | 2006-11-28 | Underground turbo generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201586035U CN200993072Y (en) | 2006-11-28 | 2006-11-28 | Underground turbo generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993072Y true CN200993072Y (en) | 2007-12-19 |
Family
ID=38946149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201586035U Expired - Lifetime CN200993072Y (en) | 2006-11-28 | 2006-11-28 | Underground turbo generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993072Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082530A (en) * | 2011-02-19 | 2011-06-01 | 北京天形精钻科技开发有限公司 | Magnetic suspension underground generator |
| CN102158011A (en) * | 2011-02-18 | 2011-08-17 | 中国海洋石油总公司 | Power supply device for guide well drilling tool |
| CN102251908A (en) * | 2011-06-07 | 2011-11-23 | 中国石油天然气股份有限公司 | Special water turbine power generation device for oil and water wells in oil fields |
| 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 |
| WO2013029524A1 (en) * | 2011-08-30 | 2013-03-07 | 中国石油化工股份有限公司 | Rotating magnetic field downhole power generation device |
| CN107075928A (en) * | 2014-12-09 | 2017-08-18 | 哈里伯顿能源服务公司 | Downhole Turbine Components |
| CN110486211A (en) * | 2019-09-24 | 2019-11-22 | 无锡量子感知研究所 | A kind of underground high-power turbogenerator |
| CN111794673A (en) * | 2020-05-29 | 2020-10-20 | 中石化石油工程技术服务有限公司 | A power drilling tool with power generation function |
| CN113719243A (en) * | 2021-07-29 | 2021-11-30 | 光力科技股份有限公司 | Power generation drill rod section and drilling tool |
| CN116104448A (en) * | 2021-11-11 | 2023-05-12 | 中国石油天然气集团有限公司 | Wide-range displacement self-adaptive downhole mud generator |
-
2006
- 2006-11-28 CN CNU2006201586035U patent/CN200993072Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158011A (en) * | 2011-02-18 | 2011-08-17 | 中国海洋石油总公司 | Power supply device for guide well drilling tool |
| CN102082530A (en) * | 2011-02-19 | 2011-06-01 | 北京天形精钻科技开发有限公司 | Magnetic suspension underground generator |
| CN102251908B (en) * | 2011-06-07 | 2013-06-26 | 中国石油天然气股份有限公司 | Special water turbine power generation device for oil and water wells in oil fields |
| CN102251908A (en) * | 2011-06-07 | 2011-11-23 | 中国石油天然气股份有限公司 | Special water turbine power generation device for oil and water wells in oil fields |
| RU2613353C2 (en) * | 2011-08-30 | 2017-03-16 | Чайна Петролеум Энд Кемикал Корпорейшн | Downhole generator of rotating magnetic field |
| US9598937B2 (en) | 2011-08-30 | 2017-03-21 | China Petroleum & Chemical Corporation | Rotating magnetic field downhole power generation device |
| GB2513988B (en) * | 2011-08-30 | 2017-11-01 | China Petroleum & Chem Corp | Downhole rotating magnetic field generator |
| GB2513988A (en) * | 2011-08-30 | 2014-11-12 | China Petroleum & Chemical | Rotating magnetic field downhole power generation device |
| WO2013029524A1 (en) * | 2011-08-30 | 2013-03-07 | 中国石油化工股份有限公司 | Rotating magnetic field downhole power generation device |
| 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 |
| 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 |
| CN107075928A (en) * | 2014-12-09 | 2017-08-18 | 哈里伯顿能源服务公司 | Downhole Turbine Components |
| US10280717B2 (en) | 2014-12-09 | 2019-05-07 | Halliburton Energy Services, Inc. | Downhole turbine assembly |
| CN107075928B (en) * | 2014-12-09 | 2020-06-16 | 哈里伯顿能源服务公司 | Downhole Turbine Components |
| CN110486211A (en) * | 2019-09-24 | 2019-11-22 | 无锡量子感知研究所 | A kind of underground high-power turbogenerator |
| CN111794673A (en) * | 2020-05-29 | 2020-10-20 | 中石化石油工程技术服务有限公司 | A power drilling tool with power generation function |
| CN113719243A (en) * | 2021-07-29 | 2021-11-30 | 光力科技股份有限公司 | Power generation drill rod section and drilling tool |
| CN113719243B (en) * | 2021-07-29 | 2024-10-29 | 光力科技股份有限公司 | Power generation drill rod section and drilling tool |
| CN116104448A (en) * | 2021-11-11 | 2023-05-12 | 中国石油天然气集团有限公司 | Wide-range displacement self-adaptive downhole mud generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGTIANQIMING PETROLEUM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING ZHONGTIANQIMING TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20100525 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100097 BUILDING 30, YUQUANHUIGU, QSINGHUA SCIENCE PARK, NO.3 MINZHUANG ROAD, HAIDIAN DISTRICT, BEIJING TO: 510730 UNIT 717, 7/F, COMPREHENSIVE SERVICE BUILDING, NO.80 LANYUE ROAD, SCIENCE CITY, HIGH-TECH INDUSTRIAL DEVELOPMENT AREA, GUANGZHOU |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100525 Address after: 510730 Guangzhou high tech Industrial Development Zone, science city moon Road No. 80 comprehensive service building 7 Building 717 unit Patentee after: Goaltech Co., Ltd. Address before: 100097 Beijing city Haidian District minzhuang Road No. 3, Tsinghua Science Park building 30 Yuquan Huigu Patentee before: Beijing Zhongtian Qiming Sci. & Tech. Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071219 |
|
| EXPY | Termination of patent right or utility model |