Temperature/Stress Interaction for Thermal Recovery Wells
Casing damage is more and more serious especially in heavy oil reservoirs because of the thermally-generated strains and stresses in the casing and the surrounding formations. Considering the exploitation character of actual heavy oil reservoir, the casing thermo-mechanical interaction was studied in order to build up the analysis method of the casing stress and the casing intensity. In this way, the temperature/stress interaction for thermal recovery wells was depicted. The temperature site and the stress field of the casing-cement ring-formation’s 3D model were stimulated with ANSYS. The temperature distributions in the process of shutting in were studied. The thermal stress was also researched. Furthermore, temperature/stress interaction was studied for single wellbore. Based on those mentioned above, the theory of the casing intensity in the steam injection was built.
temperature/stress interaction thermal recovery steam injection casing intensity
LUO Yanyan CHENG Linsong DING Zupeng
College of Petroleum Engineering in China University of Petroleum, Beijing, China, 102249 MOE Key Laboratory of Petroleum Engineering in China University of Petroleum, Beijing, China, 102249
国际会议
成都
英文
382-386
2010-10-10（万方平台首次上网日期，不代表论文的发表时间）