ROP acceleration technology for poor drillability formation at Beibuwan Basin in the west of South China Sea Oilfield

HUANG Kaiwen; XU Yilong; LI Lei; ZHANG Chao; LU Chuanshi
September 2013
Oil Drilling & Production Technology / Shiyou Zuancai Gongyi;2013, Vol. 35 Issue 5, p20
Trade Publication
According to the analysis on the geology characteristics and drilling history of Beibuwan Basin in the west of South China Sea, the paper analyzed the reasons for poor dillability, and summarized the exploration and practice in ROP acceleration technology in the west of South China Sea. Combined with the experiences acquired from several newly drilled wells in Beibuwan Basin, a ROP acceleration strategy which is suitable for the poor drillability formation in this basin was introduced, meanwhile a new type of bit was developed to deal with these formations, therefore a set of ROP acceleration technology for Beibuwan poor drllability formation was formed. Field experience witnessed the significant improvement of ROP in poor drillability formation in Beibuwan Basin. This new technology has played a striking role in drilling cost control in the west of South China Sea, and can be a good reference for field drilling job on similar type of formations.


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