Drilling of wells in conditions of change of aggregate state of passed rocks

References

1. Afanasyev I.S., Beresneva D.N., Chistyakov V.K. About improvement of quality of sampling on the basis of drilling with freezing (in relation to phosphate deposits of Estonia and Leningrad region). – Journal of Mining Institute, 1973, vol. 66, iss. 1.
2. Kudryashov B.B., Yakovlev A.M. New technology of borehole drilling in frozen rocks. L., Nedra, 1973.
3. Kudryashov B.B., Chistyakov V.K., Bobin N.E. Drilling of wells by thermal method in the glacial cover of Antarctica. M., PH ONTI VIEMS, 1977.
4. Thermal drilling of ice sheets / I.A.Zotikov, A.P.Kapitsa, E.V.Kudryavtsev, A.A.Sukhanov. - In the book: Antarctica, M., Nauka, 1972, iss. 11.
5. Chistyakov V.K. Research of the method of borehole drilling with simultaneous freezing of the passed rocks. Cand. dissertation, L., PH LMI, 1970.
6. Sims D.L. Petroleum engineer, 1974, July.