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重点提出了川东地区进一步提高钻井水平需解决的几个关键技术:①改进井身结构,有两种方案.技术套管均要下得深,封过自流井组,封过长兴、龙潭组.提出了419.10MM井眼或406.10MM井眼提高钻速的技术和措施,以及小井眼方案需考虑的问题.②提高全井钻井速度,重点是坚持喷射钻井三阶段,大力推广使用井下动力钻具钻井,以及提高特殊地层钻速问题.③综合治漏技术.④钻盐岩层问题.⑤气井套管密封与使用高抗挤套管问题.“,”After reviewing the technical progress in drilling in East Sichuan in recent years,several key techniques that must be solved for further raising the drilling level in this region are emphatically proposed in the paper.They are:about improving casing program to deeply run the casing to seal the Ziliujing Formation or to seal the Changxing Formation and Longtan Formation;putting forward the techniques and means of increasing drilling speed for the hole of 419...