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The stationary field of a buried non-symmetrical dipole

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Abstract

A new transmitting pattern, a buried non-symmetrical electric dipole in a conducting half space, is treated theoretically. A simple formula for the stationary current field of this pattern is derived from the Laplace equation and it is confirmed by the laboratory experiments and a well site experiment. This formula gives the upper limit of the electrical signal strength at the surface, transmitted from the bottom of a drill string.

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References

  • OGJ Report,Second-generation MWD Tool Passed Field Tests, Oil and Gas J.81(8), Feb. 1983.

  • Chen, Z. Y.,The Report for the Well Site Experiment, Series reports for the feasibility of the electromagnetic wave transmission channel for MWD, Institute of Electronics, Academia Sinica, Beijing, March 1988.

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Chen, Z.Y., Jin, X.Z. The stationary field of a buried non-symmetrical dipole. PAGEOPH 135, 577–587 (1991). https://doi.org/10.1007/BF01772407

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  • DOI: https://doi.org/10.1007/BF01772407

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