Influential Factors of CBM Horizontal Well Productivity in Qinshui Basin

Abstract

Abstract: Horizontal multi-branch well technology is a newly developed one for CBM development. It has been applied to more than 60 horizontal wells in southern Qinshui Basin, which shows that single well production varies a lot. Based on horizontal well development in Fanzhuang Block, gas content, drilling footage, branch spread and drainage continuity are considered to be major factors influencing production of horizontal wells, through comprehensively analyzing geological conditions, drill project and drainage control of individual wells. It is critical to increase CBM production of horizontal wells by optimizing well location and branch trajectory, and protecting reservoirs during drilling.

Key words: Fanzhuang Block, gas content, structure, drilling project, drainage control, Qinshui Basin

CLC Number:

P618.11

Zhang Jianguo, Miao Yao, Li Mengxi, Zhang Junting and Zhang Lingyan. Influential Factors of CBM Horizontal Well Productivity in Qinshui Basin[J]. China Petroleum Exploration, 2010, 15(2): 49-54,85.

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Influential Factors of CBM Horizontal Well Productivity in Qinshui Basin

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