新型防塌水基钻井液技术研究
China Petroleum and Chemical Standard and Quality(2018)
Abstract
利用新型聚胺抑制剂的化学抑制泥页岩水化作用和铝基封堵剂的封堵泥页岩裂缝作用,研制了可有效提高泥页岩井壁稳定性的新型防塌水基钻井液体系.评价实验表明,钻井液泥页岩岩屑回收率高达90% 以上,并且具有良好的流变性和滤失性.该钻井液在新疆准格尔盆地一口探井成功开展了现场试验,有效抑制了泥页岩的水化分散,避免了井壁坍塌及卡钻等事故,提高了机械钻速.
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