Open Access

ARTICLE

Numerical Analysis of Residual Strength in the Perforated Casing of Ultra Deep Wells

Yanxian Wu¹, Shouming Zhong¹, Zhigang Guan¹, Lin Song¹, Kun Li², Jiarui Sun², Yuqiang Xu^2,*, Maochuan Tu³, Chaobin Fan³, Jinbin Yang⁴

1 Engineering Technology Research Institute of Petro China Xinjiang Oilfield Company, Karamay, 834000, China
2 School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
3 SINOPEC Xinan Oilfield Service Corporation, Deyang, 618000, China
4 SINOPEC Southwest China Oil & Gas Company, Chengdu, 610041, China

* Corresponding Author: Yuqiang Xu. Email: