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苏北地区是中石化华东分公司在十二五期间增储上产的重点区域,也是华东钻井工程公司提速提效工作的实践区域,通过在该地区蔡家堡区块进行六口定向井的研究与实践,采用四合一钻井技术、双驱钻进、近平衡钻井、优选喷嘴组合提高水力破岩等技术,使得平均机械钻速提高1倍以上,钻进周期缩短了近一半,提速提效工作取得了较为显著的成果。
North Jiangsu is the key area where Huashong Branch of SINOPEC will increase production and increase output during the 12th Five-Year Plan Period, and is also a practical area for Huadong Drilling Engineering Company to speed up and improve efficiency. Through the study of six directional wells in Caijiapu block in this area In practice, four-in-one drilling technology, dual-drive drilling and near-balanced drilling are used, and the combination of nozzle optimization with hydraulic rock breaking technology is improved. The average ROP is increased by more than 1 time, the drilling cycle is shortened by nearly half, The work has made remarkable achievements.