Practical application cases of the reservoir fracture heterogeneity accounting on the example of Mishrif carbonate reservoir oil recover optimization in the southern fields of the Republic of Iraq
https://doi.org/10.51890/2587-7399-2022-7-3-70-78
Abstract
The purpose. The purpose of the studies presented in the article is to approve the possibility of implementing the recommendations formed as a result of previous studies of a large highly productive fractured carbonate object with dual permeability, characterized by a change in permeability due to pressure.
Materials and methods. In the process of research, the method of analyzing the parameters of the object, and their influence on the filtration characteristics; analysis of geological and field data; evaluation of water displacement of oil by Bakley and Leverett; material balance method was used. For the conditions of the researched object, a method for oil recovery factor increasing in account with well pattern and fracturing is proposed.
The possibility of reservoir pressure recovery according to the variant that takes into account the previously developed recommendations was also evaluated.
Results and сonclusion. The results of the evaluation at the analytical level showed the relevance of the previously issued recommendations for optimizing the development of a large regional carbonate object in the Republic of Iraq, including the possibility of well pattern configuration, taking into account the heterogeneity of permeability over the area. In addition, the possibility of reservoir pressure recovery up to 210 atm and higher was confirmed, which will allow using fractured reservoir productivity.
About the Author
R. A. Sablin
National University of Oil and Gas “Gubkin University“
Russian Federation
Russian Federation
Roman A. Sablin — applicant for the degree of Cand. Sci. (Tech.), Department of Development and Operation of Oil Fields
AuthorID 584890
65, building 1, Leninsky Prospekt, 119991, Moscow
References
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Review
For citations:
Sablin R.A. Practical application cases of the reservoir fracture heterogeneity accounting on the example of Mishrif carbonate reservoir oil recover optimization in the southern fields of the Republic of Iraq. PROneft. Professionally about Oil. 2022;7(3):70-78. (In Russ.) https://doi.org/10.51890/2587-7399-2022-7-3-70-78
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