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Vol 59 Iss. 1
Pages:
47-53
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RUS
Article

Method of taking into account the correction for the variability of the sound velocity at sounding survey of technical wells

Authors:
V. K. Chumak
Date submitted:
1968-07-23
Date accepted:
1968-09-06
Date published:
1969-09-12

Abstract

In the process of drilling and fixing technical wells of large diameter (1.0-3.6 m) there are a number of technical problems, the solution of which is possible if the geometry and dimensions of the borehole (curvature of the axis, the size of the wall development, etc.), as well as the position of the support during its construction are known. Wells are drilled vertically up to 1000 m deep. Drilling is carried out with the use of flushing fluid, as which is used clay solution with a specific gravity of up to 1.25 g/cm2 depending on the strength of the rock...

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References

  1. Aranovich V. B. et al. Technical errors of sounding measurements in surveying works. Journal of Mining Institute, vol. XLVI, iss. 2, 1963.
  2. Bergman L. Ultrasound. IL, 1957.
  3. Leibenzon B. I. Control of verticality of mine shafts by ultrasonic locating method. Mine Construction, No. 4, 1965.
  4. Tyurin A. M., Stashkevich A. P. P., Taranov E. S. Fundamentals of Hydroacoustics. Sudostroenie, 1966.

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