FINITE ELEMENT NUMERICAL SIMULATION OF NEW TESTING STRING CONNECTION FOR HIGH PRESSURE WELLS
The pressure is high and varies greatly during testing operation in high pressure wells. The scalability and joint strength of testing string plays an important role in reliability of testing operation. In this study the sealability and joint strength was analyzed from conditions of make-up loading, tension loading and compression loading by finite element method. The contact pressure distributions of internal metal seal and external metal seal along the axis and the stress distributions of threaded connection are given. The results show that the contact pressures of internal and external metal seals both maintain relatively high level of contact pressures. Under tension loading and compression loading, the overall stress level of threaded connection is lower than of pipe. The anti-compression performance and joint strength of threaded connection is greater than of pipe.
Ji Bingyin Yang Xi Wang Shuanglai Shi Jiaoqi Han Yong
Xian Maurer Petroleum Engineering Laboratory Xian,Shaanxi,China Xian Maurer Petroleum Engineering Laboratory Xian. Shaanxi. China
国际会议
The 3rd World Conference on Safety of Oil and Gas Industry(第三届世界石油天然气工业安全会议 WCOGI 2010)
北京
英文
628-631
2010-09-27（万方平台首次上网日期，不代表论文的发表时间）