Sergey Kuzmichev
Instructor
#Drilling and we...
#Drilling and we...
Артур Диндарьянов
Instructor
#Geology, Petrop...
#Drilling and we...
Борис Дмитриев
Instructor
#Geology, Petrop...
#Geology, Petrop...
Георгий Рубан
Instructor
#Geology, Petrop...
#Geology, Petrop...
Ильсур Валиуллин
Instructor
#Geology, Petrop...
#Drilling and we...
Кирилл Богачев
Instructor
#Drilling and we...
#Drilling and we...