Peculiarities of drilling and sampling during exploration of phosphorite-bearing deposits of Estonian SSR
Authors:
Abstract
Drilling for phosphorite exploration in the ESSR is characterized by the lack of a reliable method for obtaining cores of shell sandstones composing the phosphorite-bearing strata. A typical geologic section of Estonian phosphate deposits is as follows ...
Область исследования:
(Archived) Without section
Funding:
None
References
- Amelin B.A., Vasiliev V.D., Glinsky E.S. New methods of non-metallic fastening of boreholes. L., Nedra, 1964.
- Kudryashov B.B., Chistyakov V.K. Principles of Calculation of Drilling Parameters with Simultaneous Freezing of Passable Rocks. Journal of Mining Institute, 1969, vol. 57, iss. 2.
- Vorotintsev V.T. Double Core Pipes. Ugletekhizdat, 1953.
Similar articles
On the role and main directions of technical progress in geological exploration drilling
1976 Yu. M. Parijsky
Heat-exchange processes during sterile ice core sampling for microbiological studies
1976 B. B. Kudryashov, N. E. Bobin
Prospects of development of technology and technique of geological exploration drilling for solid minerals
1976 F. A. Shamshev