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Downhole power drilling tool capable of improving transmitting intensity of downhole signals

A technology of signal transmission strength and power drilling tools, applied in the directions of buildings, antenna supports/installation devices, etc., can solve the problems of short transmission distance of magnetic rod antennas, and achieve the effect of long signal transmission distance and less interference

Pending Publication Date: 2022-06-28
KINGDREAM PLC CO +1
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Problems solved by technology

[0006] The embodiment of the present application provides a downhole power drilling tool that improves the downhole signal transmission strength, so as to solve the problem of short transmission distance of the magnetic rod antenna of the downhole power drilling tool in the related art

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  • Downhole power drilling tool capable of improving transmitting intensity of downhole signals
  • Downhole power drilling tool capable of improving transmitting intensity of downhole signals
  • Downhole power drilling tool capable of improving transmitting intensity of downhole signals

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Embodiment Construction

[0040] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0041] The embodiments of the present application provide a downhole power drilling tool for improving the emission intensity of downhole signals, which can solve the problem of short transmission distance of the magnetic rod antenna of the downhole power drilling tool in the related art.

[0042] see Figure 1 to Figure 4 and Figure ...

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Abstract

The invention relates to an underground power drilling tool capable of improving underground signal emission intensity, and belongs to the technical field of underground power drilling tools for petroleum and natural gas drilling, the underground power drilling tool comprises a drilling tool shell which is in threaded connection in sequence, a plurality of grooves are formed in the outer wall of the drilling tool shell, and the grooves are long grooves; the wireless transmission unit comprises a circuit board, a magnetic bar antenna and a battery pack which are electrically connected with one another, the circuit board, the magnetic bar antenna and the battery pack are respectively fixed in the groove, and a cover plate for sealing the groove is arranged at the notch of the groove; the magnetic bar antenna comprises a magnetic bar and a wire, the wire is wound on the periphery of the magnetic bar and sequentially forms multiple sections of coils arranged at intervals, and at least one section of coil in the multiple sections of coils is an oblique coil formed by oblique winding. The oblique coil can be mixed and matched with a straight coil which is wound in the straight direction to increase the effective sectional area of the coil, so that the magnetic field intensity is enhanced, the direction is controllable, and the purpose of increasing the signal transmitting and receiving distance of the magnetic rod antenna is achieved.

Description

technical field [0001] The present application relates to the technical field of downhole power drilling tools for oil and natural gas drilling, and mainly uploads the collected signals to a designated location in time and transmits them to the ground, receives and analyzes to determine the abnormality in the well, and provides the most direct basis for the handling of drilling accidents, especially The invention relates to a downhole power drilling tool for improving the emission intensity of downhole signals. Background technique [0002] Modern drilling is gradually developing towards intelligent drilling. Automatic monitoring, automatic measurement, and intelligent well sites have been applied and popularized in well sites. Avoiding drilling accidents is an important factor to reduce drilling risks and improve drilling efficiency. Top priority. [0003] At present, the way of drilling downhole fault signals has broken through the bottleneck, but the information collecte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/13H01Q1/22
CPCE21B47/13H01Q1/22
Inventor 宋刚毅
Owner KINGDREAM PLC CO
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