东濮地区前第三系钻井液体系优选方案研究
Enterprise Science And Technology & Development(2017)
Abstract
东濮地区前第三系地质条件复杂,中生界属低压裂缝致密砂岩油气藏,油气显示级别普遍较低,古生界属正常—偏低的压力系统,受上部高压地层的影响,钻井液密度较高,决定了钻井施工中会遇到各种工程事故,一般井漏事故最多,其次为卡钻、落井及井涌等,针对不同的地质条件和钻井现场实际开展钻井液技术对策,可有效地防止钻井事故的发生.
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