The concept of oil migration and dynamic accumulation and its application in petroleum exploration of the cratonic areas of the Tarim Basin, Xinjiang, China

Zhou, D.

Shiyou Kantan Yu Kaifa = Petroleum Exploration and Development 27(1): 2-6, 11

2000


Accession: 020307813

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Abstract
The concept of "oil migration and dynamic accumulation" is proposed. The dynamic charging condition is characterized by first and secondary accumulation, and research proceeded on four levels. The major features of the particular petroleum geological conditions in the cratonic areas of the Tarim Basin include the following: 1) The distribution of favorable sedimentary facies belt controls the quality of Paleozoic sources and the percentage of oil-generating organic matter; 2) paleouplift, deep-burial, and heating events occurred, which led to the limited distribution of Cambrian and Ordovician effective source rocks, so the oil source must be determined by the dynamic evolution of the source rock; and 3) the regular migration of multi-cycle tectonics and deposition controls the superposition of petroleum systems.