S/D-2井欠饱和盐水钻井液技术
Exploration Engineering(Rock & Soil Drilling and Tunneling)（2011）
Abstract
S/D-2井在井深2480 m以后钻遇了大段复杂的盐膏层,由于盐的溶解而造成井径扩大及盐析而结晶造成卡钻。针对上述问题,应用了聚磺欠饱和盐水钻井液体系,解决了钻遇盐膏层后的井壁失稳、钻井液污染等技术问题。详细介绍了该井聚磺欠饱和盐水钻井液的应用技术。
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Key words
rock salt well,gypsum bed,under saturated salt water,drilling fluid
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