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元坝探区是继普光气田之后中石化天然气增储上产的又一重点探区,由于该地区钻井工程地质环境极为复杂,尤其是陆相下部地层钻井机械钻速低,导致钻井周期长。应用孕镶金刚石钻头+高速涡轮复合钻井技术,综合利用涡轮的高转速和孕镶金刚石钻头的高抗磨性和长寿命的特性,以提高须家河组高研磨性高强度陆相地层的机械钻速。
The Yuanba exploration area is another key exploration area following the Puguang gas field. Since the drilling engineering geological environment in this area is extremely complicated, especially the drilling speed of drilling machines in the lower continental continental bottom is low, resulting in a long drilling cycle. Application of pregnant diamond drill bit + high-speed turbine composite drilling technology, the comprehensive utilization of high-speed turbine and impregnated diamond drill high wear resistance and long life characteristics to improve Xujiahe Formation high abrasive high-strength continental formation machinery ROP.