Currently, foams are used when drilling wells for solid minerals in frozen rocks, in conditions of difficult water supply, at low formation pressures in permeable, fractured and cavernous, but relatively stable rocks.
How to cite:
Yakovlev A.M., Kryuchkov A.F. Pressure in the foam flow at water penetrations in a borehol // Journal of Mining Institute. 1985. Vol. 105. p. 31-33.
