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埕子口2井三开井段钻井液技术

李志达,李希君,王宝田,郭建国,梁国昌

PETROLEUM DRILLING TECHNIQUES（2003）

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Abstract
埕子口2井上部地层易造浆,剥蚀掉块严重,泥岩地层易缩径.下部地层层理、裂缝发育,易出现井漏、井喷、井塌和卡钻等复杂事故,为此三开井段选用了可循环泡沫钻井液.现场应用表明,可循环泡沫钻井液防塌、抗污染能力、携岩能力强,堵漏和保护油气层效果好,满足了埕子口区块优快钻井的要求.
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