A. G. Vakhromeev
Institute of the Earth's Crust, Siberian Branch of RAS; Irkutsk Branch of LLC RN-Burenie; Irkutsk National Research Technical University
Russian Federation

Andrei G. Vakhromeev - Doctor of Geology and Mineralogy, Head of Laboratory.

128 Lermontov street, Irkutsk 664033; 257 Lermontov street, Irkutsk 664033; 83 Lermontov street, Irkutsk 664074.

V. M. Ivanishin
Irkutsk Branch of LLC RN-Burenie
Russian Federation

Vladimir M. Ivanishin – Director.

257 Lermontov street, Irkutsk 664033.

S. A. Sverkunov
Institute of the Earth's Crust, Siberian Branch of RAS ; Irkutsk Branch of LLC RN-Burenie; Irkutsk National Research Technical University; Irkutsk Scientific Center, Siberian Branch of RAS
Russian Federation

Sergei A. Sverkunov - Candidate of Geology and Mineralogy.

128 Lermontov street, Irkutsk 664033; Office 909, 257 Lermontov street, Irkutsk 664033; 83 Lermontov street, Irkutsk 664074; 134 Lermontov street, Irkutsk 664033.

V. N. Polyakov
Institute of Oil and Gas Technologies and New Materials of the Republic of Bashkortostan
Russian Federation

Vladimir N. Polyakov - Doctor of Technical Sciences, Professor.

129/3 Oktyabr' ave., Ufa 450075.

R. K. Razyapov
LLC Sorovskneft
Russian Federation

Radiy K. Razyapov - Candidate of Geology and Mineralogy, Chief Geologist.

5 Ordzhonikidze street, Tyumen 625002.