SANS investigation of natural shale swelling under oil-well conditions

Water-based drilling fluids are increasingly being used for oil and gas exploration. Unfortunately, their use leads to shale swelling of the exposed sedimentary rocks found in...水基钻井液（Water-based drilling fluids）正日益广泛地应用于油气勘探领域。遗憾的是，此类钻井液的使用会致使其所涉及区域内的裸露沉积岩发生页岩膨胀（shale swelling），该现象多见于……