Mechanical analysis and optimization design of oilfield workover derricks
YANG Xiaohong; ZHANG Bangcheng and CHEN Zhaofeng
. 2007, (4): 1509 -0 . 

Copyright © Petroleum Exploration and Development
Address:P. O. Box 910, No.20 Xueyuan Road, Haidian District, Beijing 100083, China
Powered by Beijing Magtech Co. Ltd.