Open Access

ARTICLE

Integrity and Failure Analysis of Cement Sheath Subjected to Coalbed Methane Fracturing

Lingyun Zhao^1,2, Heng Yang^3,4,*, Yuanlong Wei^1,2,*, Yuhuan Bu^3,4, Shaorui Jing^3,4, Peiming Zhou^1,2

1 Key Laboratory of Unconventional Natural Gas Evaluation and Development in Complex Tectonic Areas, Ministry of Natural Resources, Guiyang, 550081, China
2 Guizhou Engineering Research Institute of Oil & Gas Exploration and Development, Guiyang, 550081, China
3 School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
4 Shandong Key Laboratory of Oilfield Chemistry, Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Qingdao, 266580, China

* Corresponding Authors: Heng Yang. Email: ; Yuanlong Wei. Email: