Provision of borehole wall stability while drilling through permafrost rocks
Abstract
When drilling through perennially frozen rocks the same flushing fluids can be used, which are usually used in rocks with positive temperatures. All requirements for flushing agents in these conditions apply to media designed for operation at negative temperatures.
Область исследования:
(Archived) Without section
References
- Gryaznov G. S. Features of Deep Drilling of Wells in Permafrost Areas. M., Nedra, 1969.
- Kudryashov B. B. Analysis, Calculation and Questions of Regulation of Temperature Regime of Drilling Well. Journal of Mining Institute, vol. 57, vol. 2, 1969.
- Kuznetsov V. V. Physical and Colloidal Chemistry. Moscow, Vysshaya Shkola, 1968.
- Maramzin A. V. Drilling of boreholes in permafrost. M., Gostopteh-1 edition, 1963.
- Maramzin A. V. V., Ryazanov A. A. Drilling of Exploration Wells in the Areas of Permafrost Spreading. M., Nedra, 1971.
- Strebig K.C., Schultz C.W., Selin A. A. How to effect: a cost reduction in diamond drilling. - Mining Engineering, v. 21, No. 10, 1969.