Peculiarities of geothermal well development technology
1993 Yu. M. Pariysky
Experimental study of the influence of penetrator shape on fusion drilling efficiency
1993 Vladimir S. Litvinenko, G. N. Soloviev
Temperature regime of the borehole being drilled and the surrounding frozen rock massif
1993 A. V. Kozlov, A. A. Yakovlev
Study of plugging compositions for artificial filters
1993 L. S. Strelenya, N. I. Slyusarev, Yu. G. Rudometov
Toward the design of optimal systems for percussion drilling
1993 I. G. Shelkovnikov
Evaluation of diamond drilling efficiency by mist blowing
1993 A. T. Alexandrov, M. Azam