CN203702140U - Near-bit communication system for measurement while drilling - Google Patents
Near-bit communication system for measurement while drilling Download PDFInfo
- Publication number
- CN203702140U CN203702140U CN201320704593.0U CN201320704593U CN203702140U CN 203702140 U CN203702140 U CN 203702140U CN 201320704593 U CN201320704593 U CN 201320704593U CN 203702140 U CN203702140 U CN 203702140U
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- nearly
- drill bit
- drilling
- communication system
- coil
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- Expired - Lifetime
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- 238000004891 communication Methods 0.000 title claims abstract description 28
- 238000005553 drilling Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000005684 electric field Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000001465 metallisation Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 239000012212 insulator Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A near-bit communication system for measurement while drilling comprises a power source, a data processing circuit, a near-bit measuring device, a signal emission coil, an insulator ring, a signal receiving coil, a signal receiving instrument and the like; when an underground instrument is connected, the lower end of the instrument is connected with a drill bit, the middle of the instrument is connected with a screw drill tool, and the upper end of the instrument is connected with a drilling tool such as a drill collar and the like; according to the communication system, a perpendicular electric field method is adopted for designing an antenna coil, the drilling tool and slurry liquid are used for forming channel transmission data, screw rod crossing wireless communication between the near-bit measuring device and a while-drilling instrument can be achieved, and real-time collection and in-time transmission to data of the near-bit measuring device can be ensured.
Description
Technical field
The utility model belongs to drilling engineering field in oil, colliery and geological prospecting, is a kind of nearly drill bit measurement-while-drilling communication system.
Background technology
At present, in known oil drilling logging while drilling technology field, what mainly use is wireless drilling inclinometers, steering tool, single multiple shot tool etc., but it has a common feature, its measuring apparatus is positioned at screw rod upper end, has certain distance apart from drill bit, and investigative range is reduced, detection accuracy declines, and measured data is crept into position lag.And the nearly bit measuring instrument that can measure near " drill bit " is subject to connected helicoid hydraulic motor (power-equipment that creep into down-hole) structural limitations, need to carry out complicated structural modification and could realize the transmission of survey data, structure is very complicated.
Summary of the invention
The utility model provides nearly drill bit measurement-while-drilling communication system, this communication system can realize nearly bit measuring instrument and with bore between instrument across screw rod radio communication, guarantee the Real-time Collection of nearly bit measuring instrument data and transmission in time.
This product adopts vertical electric field method designing antenna coil, utilizes drilling tool and mud liquid composition channel transmission data, and coil is outer can not occur metallic(return) circuit, therefore in one end of coil external metallization sheath, nonmetallic dead ring is installed, is made it form small gap communication port, thereby realize transfer of data.
The utility model solves the technical scheme that its technical problem adopts: nearly drill bit measurement-while-drilling communication system, this system comprises power supply, data processing circuit, nearly bit measuring instrument, signal transmitting coil, dead ring, signal receiving coil, signal receiver device.
Described power supply and data processing circuit, be arranged on respectively on nearly bit measuring instrument and signal receiver device, and cover plate protection is installed.
Described signal transmitting coil is arranged on nearly bit measuring instrument, interior ring installing insulating stock support, and outer shroud is provided with metal protection protector.
Described signal receiving coil is arranged on signal receiver device, interior ring installing insulating stock support, and outer shroud is provided with metal protection protector.
Described nearly bit measuring instrument main body is that stub boring is endured, and the instrument for measuring nearly drill bit data is installed on it; When down-hole connects, bottom connects drill bit, top connecting screw rod.
Described signal receiver device main body is without magnetic stub boring very; When down-hole connects, bottom connecting screw rod, top connects the drilling tools such as non magnetic drill collar.
Described dead ring is special nonmetal isolator, is arranged on respectively one end of signal transmitting coil and signal receiving coil, respectively one end of signal transmitting coil and signal receiving coil and hardware is kept apart.
The beneficial effect of this utility model is: realize nearly bit measuring instrument across screw rod communication, reduced difficulty and the cost of design fab communications circuit; Small gap communication design, is ensureing, under the prerequisite of communication, farthest to ensure pressure-bearing and the anti-wear performance of instrument in down-hole; Adopt the communication mode of vertical electric field method, nearly drill bit survey data can be transferred to constantly with boring instrument, particularly important to drillng operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Accompanying drawing 1 is nearly drill bit measurement-while-drilling communication system schematic diagram.
Accompanying drawing 2 is that the utility model instrument down-hole connects and structural representation.
1. power supplys in figure, 2. data processing circuit, 3. nearly bit measuring instrument, 4. signal transmitting coil, 5. dead ring, 6. signal receiving coil, 7. signal receiver device.
Detailed description of the invention
The utility model adopts vertical electric field method designing antenna coil, utilizes drilling tool and mud liquid composition channel transmission data.One end of communication coil external metallization sheath, installs nonmetallic dead ring, can not occur metallic(return) circuit, makes it form small gap communication port, thereby realizes transfer of data.
Referring to accompanying drawing 2; power supply 1; data processing circuit 2 is arranged on nearly bit measuring instrument 3; and protect with cover plate; signal transmitting coil 4; dead ring 5 installs to nearly bit measuring instrument 3 from one end cover, and protects with sleeve pipe and end cap, and assembling entirety is together nearly drill bit data acquisition and signal transmitting terminal.
Power supply 1, data processing circuit 2 is arranged on signal receiver device 7, and with cover plate protection, signal receiving coil 6, dead ring 5 installs to signal receiver device 7 from one end cover, and with sleeve pipe and end cap protection, the entirety of assembling is together signal receiving end.
When downhole instrument connects, nearly drill bit data acquisition is connected drill bit with signal transmitting terminal lower end, upper end connecting screw rod drilling tool; Helicoid hydraulic motor upper end docking signal receiving end lower end, the drilling tool such as termination drill collar on signal receiving end.
Claims (6)
1. nearly drill bit measurement-while-drilling communication system, this system comprises power supply, data processing circuit, nearly bit measuring instrument, signal transmitting coil, dead ring, signal receiving coil, signal receiver device; It is characterized in that: power supply and data processing circuit, be arranged on respectively on nearly bit measuring instrument and signal receiver device; Signal transmitting coil is arranged on nearly bit measuring instrument, and signal receiving coil is arranged on signal receiver device; Dead ring is special nonmetal isolator, is arranged on respectively one end of signal transmitting coil and signal receiving coil; When down-hole connects, nearly bit measuring instrument bottom connects drill bit, top connecting screw rod, and screw rod top connects signal receiver device.
2. nearly drill bit measurement-while-drilling communication system according to claim 1, is characterized in that: adopt vertical electric field method designing antenna coil, utilize drilling tool and mud liquid composition channel transmission data.
3. nearly drill bit measurement-while-drilling communication system according to claim 1, is characterized in that: one end of communication coil external metallization sheath, nonmetallic dead ring is installed, and can not there is metallic(return) circuit, make it form small gap communication port, thereby realize transfer of data.
4. nearly drill bit measurement-while-drilling communication system according to claim 1, is characterized in that: power supply, data processing circuit; signal transmitting coil; dead ring is arranged on nearly bit measuring instrument, and with sleeve pipe and end cap protection, is assembled into nearly drill bit data acquisition and signal transmitting terminal.
5. nearly drill bit measurement-while-drilling communication system according to claim 1, is characterized in that: power supply, and data processing circuit, signal transmitting coil, dead ring installs on signal receiver device, and with sleeve pipe and end cap protection, is assembled into signal receiving end.
6. nearly drill bit measurement-while-drilling communication system according to claim 1, is characterized in that: nearly drill bit data acquisition is connected drill bit with signal transmitting terminal lower end, upper end connecting screw rod drilling tool; Docking signal receiving end lower end, helicoid hydraulic motor upper end; Realize nearly bit measuring instrument across screw rod radio communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704593.0U CN203702140U (en) | 2013-11-08 | 2013-11-08 | Near-bit communication system for measurement while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704593.0U CN203702140U (en) | 2013-11-08 | 2013-11-08 | Near-bit communication system for measurement while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702140U true CN203702140U (en) | 2014-07-09 |
Family
ID=51052596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320704593.0U Expired - Lifetime CN203702140U (en) | 2013-11-08 | 2013-11-08 | Near-bit communication system for measurement while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702140U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275465A (en) * | 2015-09-23 | 2016-01-27 | 中国石油大学(北京) | Nuclear magnetic resonance logging system |
| CN106223937A (en) * | 2016-08-31 | 2016-12-14 | 中国科学院地质与地球物理研究所 | A kind of reception device being applicable to the down-hole wireless short pass of nearly drill bit |
| CN106639898A (en) * | 2017-01-04 | 2017-05-10 | 北京赛诺凤凰能源科技有限公司 | Line-passing screw drilling tool |
| WO2018018712A1 (en) * | 2016-07-26 | 2018-02-01 | 奥瑞拓能源科技股份有限公司 | Near-bit measurement while drilling system |
| CN108222923A (en) * | 2017-12-19 | 2018-06-29 | 中国石油天然气集团公司 | Electrically conduct device and application method |
| CN108798644A (en) * | 2018-06-04 | 2018-11-13 | 北京六合伟业科技股份有限公司 | A kind of brill survey deviational survey data QC check methods |
| CN109577961A (en) * | 2018-12-28 | 2019-04-05 | 东莞市德克韦尔能源技术有限公司 | A kind of across screw rod data communication apparatus in underground |
| CN110273677A (en) * | 2019-07-18 | 2019-09-24 | 北京六合伟业科技股份有限公司 | A kind of short radius directional tool |
| CN114033361A (en) * | 2021-10-22 | 2022-02-11 | 中国石油大学(华东) | Near-bit multi-parameter underground measurement and control system while drilling |
-
2013
- 2013-11-08 CN CN201320704593.0U patent/CN203702140U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275465B (en) * | 2015-09-23 | 2018-06-19 | 中国石油大学(北京) | Nuclear magnetic resonance logging system |
| CN105275465A (en) * | 2015-09-23 | 2016-01-27 | 中国石油大学(北京) | Nuclear magnetic resonance logging system |
| WO2018018712A1 (en) * | 2016-07-26 | 2018-02-01 | 奥瑞拓能源科技股份有限公司 | Near-bit measurement while drilling system |
| US10465497B2 (en) | 2016-07-26 | 2019-11-05 | Orient Energy & Technologies Co., Ltd. | Near-bit measurement while drilling system |
| CN106223937A (en) * | 2016-08-31 | 2016-12-14 | 中国科学院地质与地球物理研究所 | A kind of reception device being applicable to the down-hole wireless short pass of nearly drill bit |
| CN106639898B (en) * | 2017-01-04 | 2019-05-24 | 北京赛诺凤凰能源科技有限公司 | It is a kind of to cross line helicoid hydraulic motor |
| CN106639898A (en) * | 2017-01-04 | 2017-05-10 | 北京赛诺凤凰能源科技有限公司 | Line-passing screw drilling tool |
| CN108222923A (en) * | 2017-12-19 | 2018-06-29 | 中国石油天然气集团公司 | Electrically conduct device and application method |
| CN108798644A (en) * | 2018-06-04 | 2018-11-13 | 北京六合伟业科技股份有限公司 | A kind of brill survey deviational survey data QC check methods |
| CN109577961A (en) * | 2018-12-28 | 2019-04-05 | 东莞市德克韦尔能源技术有限公司 | A kind of across screw rod data communication apparatus in underground |
| CN109577961B (en) * | 2018-12-28 | 2022-06-14 | 广东普洛测控科技有限公司 | Underground cross-screw data communication device |
| CN110273677A (en) * | 2019-07-18 | 2019-09-24 | 北京六合伟业科技股份有限公司 | A kind of short radius directional tool |
| CN110273677B (en) * | 2019-07-18 | 2023-01-17 | 北京六合伟业科技股份有限公司 | Short-radius inclinometer while drilling |
| CN114033361A (en) * | 2021-10-22 | 2022-02-11 | 中国石油大学(华东) | Near-bit multi-parameter underground measurement and control system while drilling |
| WO2023065739A1 (en) * | 2021-10-22 | 2023-04-27 | 中国石油大学(华东) | Near-bit multi-parameter downhole measurement while drilling and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |