玉北地区钻井难点分析与对策探讨
Drilling & Production Technology（2012）
Abstract
近年来通过大力进行外围勘探,中石化西北油田分公司相缝在玉北等地区实现了油气突破.但是外围地区地质条件复杂,高压盐水层、膏泥岩发育,在钻井中遇到了诸如井壁失稳、套管变形等复杂情况,导致探井成井慢,影响了勘探开发的步伐.文章针对前期钻井实践,全面系统总结了玉北地区的钻井难点,并提出了针对性技术对策.
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Key words
Yubei area,technical solutions,Gypsum mudstone,salaquifer,drilling problems
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