SE-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 clay swelling which occurs in exposed sedimentary rocks...水基钻井液（water-based drilling fluids）正日益广泛应用于油气勘探领域。然而，此类钻井液的使用会导致裸露沉积岩中出现黏土膨胀（clay swelling）现象……