CN101976758A - Electromagnetic wave transmitting antenna - Google Patents
Electromagnetic wave transmitting antenna Download PDFInfo
- Publication number
- CN101976758A CN101976758A CN2010102504936A CN201010250493A CN101976758A CN 101976758 A CN101976758 A CN 101976758A CN 2010102504936 A CN2010102504936 A CN 2010102504936A CN 201010250493 A CN201010250493 A CN 201010250493A CN 101976758 A CN101976758 A CN 101976758A
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- transmitting antenna
- electromagnetic wave
- wave transmitting
- antenna
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- 238000009413 insulation Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000005553 drilling Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses an electromagnetic wave transmitting antenna, relating to an antenna for underground transmission of measuring signals. The electromagnetic wave transmitting antenna solves the problems that insulating short sections with large processing difficulty and expensive materials are needed to connect when the traditional electromagnetic wave transmitting antenna is connected with a drill column. The electromagnetic wave transmitting antenna comprises a transmission antenna (3), wherein the transmission antenna (3) is pipe-shaped, a through hole for embedding a cable sealing head (4) is arranged on the transmission antenna (3), and an insulating connection layer (2) connected with the drill column (1) is fixed at the inside of the transmission antenna (3); and a cable (5) is fixed at one end of the cable sealing head (4). The invention has the advantages of simple processing technique and low cost.
Description
Technical field
The invention belongs to the oil drilling technical field, be specifically related to a kind of antenna that is used for down-hole emission measurement signal.
Background technology
In the oil drilling technical field, it is a new technology that electromagnetic wave while-drilling is measured (being called for short EM-MWD), has characteristics such as signal transmission rate height, Measuring Time is short, cost is low, not influenced by circulatory mediator.It is not only applicable to the measurement while drilling in the conventional drilling liquid, also be applicable in the circulatory mediators such as gas, foam, atomizing, air, inflation and use, being to solve the method that mud pulse system can't be used a difficult problem both at home and abroad, also is extremely one of valid approach that well track is monitored in the drilling well of gas level well in real time.
Existing downhole electromagnetic ripple transmitting antenna is the important component part of electromagnetic wave while-drilling measuring system, and it mainly acts on is that data transmission that underground survey is gone out is to ground.At present, both at home and abroad transmitting antennas that adopt the insulating short section form are about to drill string, insulating short section and transmitting antenna and are connected in turn more.Because subsurface environment complexity, inclement condition, this just requires insulating short section then the good insulation performance performance should be arranged, and has tension, torsional property preferably again, and its difficulty of processing is big, needs expensive insulating material.
Summary of the invention
The objective of the invention is when being connected, need adopt the problem that difficulty of processing is big, the insulating short section of material expensive is connected, and a kind of electromagnetic wave transmitting antenna is provided with drill string in order to solve existing electromagnetic wave transmitting antenna.
This electromagnetic wave transmitting antenna comprises transmitting antenna, and described transmitting antenna is a tubulose, has a through hole that can embed the cable seal head on it, and its inboard is fixed with and is used for the insulation articulamentum that is connected with drill string; One end of described cable seal head is fixed with cable.
The present invention has following beneficial effect:
The mounting means of this electromagnetic wave transmitting antenna is enclosed within transmitting antenna in the outside of drill string, adopt the insulation articulamentum to fix and insulation between the two, adopt said structure, because transmitting antenna and firm being fixed together of drill string, thereby the drill string favorable rigidity has guaranteed transmitting antenna and can not be subjected to the destruction of pulling force or torsion, saved big, the material expensive insulating short section of the used difficulty of processing of traditional connected mode simultaneously, reduced difficulty of processing, save cost, guaranteed good insulation between the two simultaneously; Transmitting antenna is connected with electronics tube in the drill string by cable seal head and cable, adopts said structure, has guaranteed that the electromagnetic wave signal of electronics tube can conduct to transmitting antenna effectively, and has sent to ground.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
1-drill string; 2-insulation articulamentum; 3-transmitting antenna; 4-cable seal head; 5-cable; 6-electronics tube.
Embodiment
The present invention will be further described below in conjunction with Fig. 1:
The transmitting antenna 3 of this electromagnetic wave transmitting antenna is a tubulose, and its internal diameter is slightly larger than the external diameter of drill string 1, adopts this structure, is to make transmitting antenna 3 can be enclosed within the outside of drill string 1, and gap between the two is used to fill fixed insulation articulamentum 2 simultaneously; Have a through hole that can embed cable seal head 4 on the transmitting antenna 3; The inboard of transmitting antenna 3 is fixed with and is used for the insulation articulamentum 2 that is connected with drill string 1, described insulation articulamentum 2 can adopt solid particle packing material or the coating that is used for metal-insulator, adopt this structure, adopt insulation articulamentum 2 to fix and insulation between transmitting antenna 3 and the drill string 1, make transmitting antenna 3 and drill string 1 firm being fixed together, and drill string 1 favorable rigidity has guaranteed that simultaneously transmitting antenna 3 can not be subjected to the destruction of pulling force or torsion, it is big to have saved the used difficulty of processing of traditional connected mode, the material expensive insulating short section, reduced difficulty of processing, save cost, guaranteed good insulation between the two simultaneously; One end of described cable seal head 4 is fixed with cable 5, electronics tube 6 in the other end of cable 5 and the drill string 1 is connected, adopt this structure, cable seal head 4 can couple together electronics tube 6 and transmitting antenna 3 with cable 5, thereby the electromagnetic wave signal of electronics tube 6 can be conducted effectively to transmitting antenna 3, and send to ground.
The mounting means of this electromagnetic wave transmitting antenna is as follows: at first need the place of stube cable 5 to open a through hole with respect to the electronics tube 6 in it on drill string 1, this through hole is used to pass cable 5, the diameter of its through hole should have any contact and produce interference with cable 5 to prevent drill string 1 greater than the diameter of cable 5; Then transmitting antenna 3 is enclosed within the outside of drill string 1, and both is fixed, through hole on the transmitting antenna 3 and the through hole on the drill string 1 are aligned by insulation articulamentum 2; Transmitting antenna 3 and drill string 1 are firm be fixed together after, cable 5 is passed through hole, and keep excellent contact with electronics tube 6, then cable seal head 4 is embedded in the through hole on the transmitting antenna 3 also fixing, guarantee that cable seal head 4 and transmitting antenna 3 have excellent contact, electromagnetic wave transmitting antenna promptly of the present invention installation.
The present invention has saved big, the material expensive insulating short section of the used difficulty of processing of traditional connected mode, has reduced difficulty of processing, has saved cost, has guaranteed the good insulation between transmitting antenna 3 and the drill string 1 simultaneously again.
Claims (1)
1. electromagnetic wave transmitting antenna, comprise transmitting antenna (3), it is characterized in that: described transmitting antenna (3) is a tubulose, has a through hole that can embed cable seal head (4) on it, and its inboard is fixed with and is used for the insulation articulamentum (2) that is connected with drill string (1); One end of described cable seal head (4) is fixed with cable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102504936A CN101976758A (en) | 2010-08-11 | 2010-08-11 | Electromagnetic wave transmitting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102504936A CN101976758A (en) | 2010-08-11 | 2010-08-11 | Electromagnetic wave transmitting antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101976758A true CN101976758A (en) | 2011-02-16 |
Family
ID=43576617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102504936A Pending CN101976758A (en) | 2010-08-11 | 2010-08-11 | Electromagnetic wave transmitting antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101976758A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536204A (en) * | 2012-01-11 | 2012-07-04 | 中国地质大学（武汉） | Method for increasing transmitting efficiency of electromagnetic wave wireless measurement-while-drilling system by aid of multiple insulation short pieces |
| CN103573259A (en) * | 2012-08-07 | 2014-02-12 | 中国石油化工股份有限公司 | Dipole antenna short section of electromagnetic measurement while drilling system |
| CN103899292A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | Method used for measuring impact vibration state of downhole instrument while drilling |
| WO2015058359A1 (en) * | 2013-10-22 | 2015-04-30 | 信远达石油服务有限公司 | Drilling auxiliary system |
| CN111335884A (en) * | 2020-03-04 | 2020-06-26 | 中国地质大学（武汉） | A Bidirectional Electromagnetic MWD Signal Transmission Aid Method |
| WO2025015377A1 (en) * | 2023-07-20 | 2025-01-23 | QTEQ IQ Pty Ltd | Improved systems, methods and apparatus for downhole monitoring of production conditions using em telemetry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4766442A (en) * | 1986-06-12 | 1988-08-23 | Geoservices | Antenna structure for use with a transmitter located at a great depth |
| CN201018002Y (en) * | 2007-03-16 | 2008-02-06 | 中国地质大学（武汉） | A Downhole Antenna for Wireless Transmission of Electromagnetic Waves While Drilling |
| CN201233961Y (en) * | 2008-06-04 | 2009-05-06 | 中国石油集团钻井工程技术研究院 | Insulation dipole wireless transmission antenna in conjunction with drill |
-
2010
- 2010-08-11 CN CN2010102504936A patent/CN101976758A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4766442A (en) * | 1986-06-12 | 1988-08-23 | Geoservices | Antenna structure for use with a transmitter located at a great depth |
| CN201018002Y (en) * | 2007-03-16 | 2008-02-06 | 中国地质大学（武汉） | A Downhole Antenna for Wireless Transmission of Electromagnetic Waves While Drilling |
| CN201233961Y (en) * | 2008-06-04 | 2009-05-06 | 中国石油集团钻井工程技术研究院 | Insulation dipole wireless transmission antenna in conjunction with drill |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536204A (en) * | 2012-01-11 | 2012-07-04 | 中国地质大学（武汉） | Method for increasing transmitting efficiency of electromagnetic wave wireless measurement-while-drilling system by aid of multiple insulation short pieces |
| CN102536204B (en) * | 2012-01-11 | 2015-02-18 | 中国地质大学（武汉） | Method for increasing transmitting efficiency of electromagnetic wave wireless measurement-while-drilling system by aid of multiple insulation short pieces |
| CN103573259A (en) * | 2012-08-07 | 2014-02-12 | 中国石油化工股份有限公司 | Dipole antenna short section of electromagnetic measurement while drilling system |
| CN103573259B (en) * | 2012-08-07 | 2016-01-13 | 中国石油化工股份有限公司 | A kind of dipole antenna pipe nipple of electromagnetic measurement while drilling system |
| CN103899292A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | Method used for measuring impact vibration state of downhole instrument while drilling |
| CN103899292B (en) * | 2012-12-26 | 2017-06-16 | 中国石油化工股份有限公司 | For the method for the impact shock state of measurement while drilling downhole instrument |
| WO2015058359A1 (en) * | 2013-10-22 | 2015-04-30 | 信远达石油服务有限公司 | Drilling auxiliary system |
| CN111335884A (en) * | 2020-03-04 | 2020-06-26 | 中国地质大学（武汉） | A Bidirectional Electromagnetic MWD Signal Transmission Aid Method |
| CN111335884B (en) * | 2020-03-04 | 2020-11-27 | 中国地质大学（武汉） | A Bidirectional Electromagnetic MWD Signal Transmission Aid Method |
| WO2025015377A1 (en) * | 2023-07-20 | 2025-01-23 | QTEQ IQ Pty Ltd | Improved systems, methods and apparatus for downhole monitoring of production conditions using em telemetry |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110216 |