Power and signal transmission drill stem
A signal transmission and drill pipe technology, which is applied in the direction of drill pipe, drill pipe, drilling equipment, etc., can solve the problems of joints occupying a large inner diameter space, poor reliability of electrical plugs, and failure to meet requirements, etc., to increase transmission efficiency and simple structure , low cost effect
Inactive Publication Date: 2012-05-16
CHINA PETROCHEMICAL CORP +1
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Problems solved by technology
However, with the continuous increase of drilling depth, drilling difficulty and drilling complexity, the signal transmission speed and reliability of these technologies can no longer meet the needs of modern rapid development of drilling technology
[0003] More importantly, there are more and more power-consuming hardware such as detection instruments and electric drive devices or tools used in underground mines, and more and more electric power needs to be provided. The original technical system only relies on batteries or mud turbine generators The power provided can no longer meet the requirements, and it is necessary to efficiently transmit s
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[0020] exist figure 1 and figure 2 The medium power and signal transmission drill pipe is composed of three parts: special drill pipe joint, electrical joint and power and signal transmission drill pipe body. Among them, the special drill pipe joint includes two parts: the special drill pipe male joint 2 and the special drill pipe female joint 3. The male electrical joint is installed at the special drill pipe male joint 2, and the female electrical joint is installed at the special drill pipe female joint 3. The special drill pipe male joint 2 and the special drill pipe female joint 3 are connected to the drill pipe body for power and signal transmission; the special drill pipe male joint 2 and the special drill pipe female joint 3 are threadedly connected during the working process of the power and signal transmission drill pipe, The male electrical connector and the female electrical connector are in close contact to transmit current and signal, and at the same time, the ...
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Abstract
The invention relates to a power and signal transmission drill stem for exploration and drilling of petroleum geology. The power and signal transmission drill stem can realize the real-time bidirectional transmission of signals and can transmit strong electricity to shaft bottoms. The technical scheme of the power and signal transmission drill stem is as follows: the transmission drill stem comprises a special connector of the drill stem, an electric connector and a power and signal transmission drill stem body, wherein the special connector of the drill stem comprises a special male connector of the drill stem and a special female connector of the drill stem; a male electrical connector is arranged at the special male connector of the drill stem, and a female electrical connector is arranged at the special female connector of the drill stem; the male electrical connector and the female electrical connector comprise conducting rings, insulation seal rings, metal baffle rings, connecting conductors, metal baffle ring sealing materials, insulation elastic bodies and locating pins; and an inner pipe, a body insulation material, a body transmission conductor and a drill stem body are arranged in the power and signal transmission drill stem body. The power and signal transmission drill stem has the characteristics of simple structure, low cost, high efficiency, long service life and the like and is used for wired real-time bidirectional high-rate data transmission of information and power transmission in the drilling.
Description
technical field [0001] The invention relates to a drilling tool used for petroleum geological exploration drilling, which is a power and signal transmission drill pipe with multiple functions. Background technique [0002] As far as signal transmission is concerned, a variety of signal transmission technologies have been developed, such as mud pulse technology, electromagnetic wave technology, and acoustic wave technology. Analysis and Control. However, with the continuous increase of drilling depth, drilling difficulty and drilling complexity, the signal transmission speed and reliability of these technologies can no longer meet the needs of modern rapid development of drilling technology. [0003] More importantly, there are more and more power-consuming hardware such as detection instruments and electric drive devices or tools used in underground mines, and more and more electric power needs to be provided. The original technical system only relies on batteries or mud tu...
Claims
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Login to view more IPC IPC(8): E21B17/00E21B17/02E21B17/042E21B47/12
Inventor 孙浩玉梁政吴仲华肖仕红马清明王智锋
Owner CHINA PETROCHEMICAL CORP
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