China Petroleum risk exploration wells drilled Newport a practice: the Bohai Bay Basin ultra-deep directional drilling technology(Chinese Edition)

by DA GANG YOU TIAN GONG SI . BO HAI ZUAN TAN GONG SI Paperback details (USA). ISBN: 978-7-5021-9539-7 ISBN-10: 7-5021-9539-4 Petroleum Industry Press · 2012