SYSTEM OF DEVICE FOR CONTROLLING FLUID INJECTION IN A WELL

by Rustem A. Ismakov, Ekaterina V. Denisova, Marina A. Chernikova, Sergey P. Sidorov
Published 2019-11-01

GRAPHIC METHOD OF SELECTING DRILL BITS

by Anatoliy N. Popov, Rustem A. Ismakov, Gennadiy V. Konesev, Ginijat G. Ishbaev
Published 2019-11-01