Committee of Petroleum Engineering of Shaanxi Petroleum Society. Electronic reproduction, distribution, or storage of  any part of this paper for commercial purposes without the written consent of Shaanxi Petroleum Society is prohibited.  Permission to reproduce in print is restricted to an abstract of not more than 300 words; illustrations may not be copied.  The abstract must contain conspicuous acknowledgment of IFEDC. Contact email: paper@ifedc.org.

原文下载