A scientific study at University of Basrah examines the stratigraphic succession of the Mishrif Formation in Zubair Oil Field in southern Iraq
A scientific study at University of Basrah prepared by the lecturer Dr. Maher Mandeel Mahdi at College of Science at University of Basrah with two researchers from the Basra Oil Company, Mr. Maher Jassim Ismail and Mr. Ayman Adel Lazem at University of Basrah, entitled High-resolution stratigraphic succession of the early Cenomanian-Turonian Mishrif Formation in Zubair Oil Field (Qubbat Al-Rafidiya) in southern Iraq.
The study, which was published in the Petroleum Research journal classified within the Q1 Scopus and Clarift containers, included a detailed study of the sedimentology and stratigraphy of the Mishrif Formation in the Zubair Field, based on a large group of sensors and more than 220 models.
The results of the study concluded that the standard sedimentary environments show a gradual decline, this decline began with a short period from the outer slope, then passed through a steady period from the middle slope, and the environment ended with the tidal environment. In addition, the study recorded two regional maximum flood surfaces: K-135 and K-140. The former is located in the lower part of the formation, while the latter is located in the middle. This study shows a close relationship between environments and hydrocarbon accumulation. This increased accumulation is concentrated in the lower part of the formation, and appears to be somewhat less in the upper part of the formation as a result of changes in the depositional environment.
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