伊朗雅达油田区块，层位Gachsaran含有厚层的石膏地层，准确的卡取石膏层位是本井下步能否正常施工的关键，本文从现场录井角度论述石膏......

Minerals are deposited when evaporation is greater than atmospheric precipitation. Calcium sulfates are one of the most ......

Casing collapse is one of the costly incidents in the oil industry. In the oil fields of southwest Iran, most casing col......