Projects(51074135,51274170,51004084)supported by the National Natural Science Foundation of China
Failure data from oilfield showed that casings which were designed according to API standards were deformed and collapsed in salt formations. The main reason for decrease in strength may be caused by non-uniform loadi...
co-financed by the China National Natural Science Foundation and Shanghai Baosteel Group Corporation (No. 51074135);Program for New Century Excellent Talents in University (No. NCET-08-0907);Jilin Oilfield Company Project (No. JS10-W-14-JZ-32-51)
Sustained casing pressure (SCP) in gas wells brings a serious threat to worker safety and environmental protection. According to geological conditions, wellbore structure and cement data of gas wells in the Sichuan-...
supported by the National Nature Science Foundation of China (Grant No. 51074135);supported by the Fundamental Research Funds for the Southwest Petroleum University (Grant No. 2010xjz133)
Drillpipe failure is an outstanding issue in drilling engineering, often involving great financial losses. In view of the special features of the flow channel in the high failure zone, this article analyzes the drillp...