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苏北地区钻井井壁失稳原因与对策

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摘要 苏北地区石油钻井目的层位主要含有硬脆性灰黑色泥岩,地层稳定性差,地层剥落掉块、垮塌严重,划眼、卡钻等复杂情况频发,井壁失稳是影响苏北地区钻井施工效率的主要原因之一,故对井壁失稳的原因进行分析显得尤为重要,有针对性的提出应对之策具有重要意义,本文从力学角度结合泥页岩水化作用分析泥岩井壁稳定的影响因素,并从钻井工艺、钻井液等方面提出一些应对之策。
作者 袁毅
机构地区 中国石油大学
出处 《化工管理》 2016年第31期188-188,共1页 Chemical Engineering Management
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