Microwave equipment for MWD front-end radiolink in the borehole pipes

O. V. Stukach, A. B. Mirmanov, A. S. Goponenko

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

In this paper the X-band Gunn diode hybrid-integrated power amplifier-transmitter is proposed for the measurement-while-drilling (MWD) or logging-while-drilling (LWD) telemetry systems. This systems is a modern equipment for geophysics due transition from vertical to horizontal drilling. A review is presented of work on MWD, explaining the current high degree of interest in these subjects. The amplifier-transmitter operates in a new communication channel between drilling point to surface. This channel is characterized by high attenuation of signal. So main attention is paid to efficiently and low bias current. The transmitter design, simulated performances, and realized current-efficiently results are presented. The pulse output power is about 15-25 Watt in short-pulse mode, at 9 GHz central lobe. Measurement results are provided. Relation between measured output power and frequency of the center lobe as function of voltage and current of transmitter is determined. The aim of experiments is to test the effectiveness of the known voltage and current in order to increase output power. This work is carried out within a Microwave borehole project #13-02-98002 funded by the Russian Foundation for Basic Researches.

Original languageEnglish
Title of host publication2014 12th International Conference on Actual Problems of Electronic Instrument Engineering, APEIE 2014 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages427-430
Number of pages4
ISBN (Print)9785778225060
DOIs
Publication statusPublished - 11 Feb 2015
Event2014 12th International Conference on Actual Problems of Electronic Instrument Engineering, APEIE 2014 - Novosibirsk, Russian Federation
Duration: 2 Oct 20144 Oct 2014

Other

Other2014 12th International Conference on Actual Problems of Electronic Instrument Engineering, APEIE 2014
CountryRussian Federation
CityNovosibirsk
Period2.10.144.10.14

Keywords

  • Gunn diode generator
  • LWD
  • measurement-while-drilling
  • microwave pulse generator
  • MWD
  • power transmitter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering

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