Characteristics, formation and evolution of pre-salt dolomite reservoirs in the fifth member of the Ordovician Majiagou Formation, mid-east Ordos Basin, NW China

• Published in: Petroleum exploration and development Vol. 46; no. 6; pp. 1153 - 1164
• Main Authors: FU, Siyi, ZHANG, Chenggong, CHEN, Hongde, CHEN, Anqing, ZHAO, Junxing, SU, Zhongtang, YANG, Shuai, WANG, Guo, MI, Wentian
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2019; KeAi Communications Co., Ltd
• Subjects: dissolution; dolomite; dolomitization; evaporites; Ordos Basin; Ordovician Majiagou Formation; dolomite; Ordos Basin; Ordovician Majiagou Formation; dolomitization; evaporites; dissolution

The characteristics and formation of the pre-salt dolomite reservoirs in the fifth member of Ordovician Majiagou Formation in the mid-east Ordos Basin are investigated through observation of cores and thin sections, and geochemical analysis. (1) The pre-salt dolomites can be divided into dolomicrite...