Advanced Concepts in Naturally Fractured Reservoirs with Analysis of Field Data
Mehrdad Alemi1, Hossein Jalalifar2
1Dr. Mehrdad Alemi, Department of Petroleum & Mining Engineering, Shahid Bahonar University of Kerman-Iran.
2Hossein Jalalifar, Department of Petroleum & Mining Engineering, Shahid Bahonar University of Kerman-Iran.
Manuscript received on 02 May 2022 | Revised Manuscript received on 10 May 2022 | Manuscript Accepted on 15 May 2022 | Manuscript published on 30 May 2022 | PP: 1-5 | Volume-2 Issue-1 May 2022 | Retrieval Number: 100.1/ijpe.B1912113223 | DOI: 10.54105/ijpe.B1912.052122
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Abstract: Dual porosity reservoir is mainly defined as fractured reservoir. The Two porosities are included for fracture and matrix, Flow in the fractures, oil storage in the matrix. Dual Permeability reservoir are those pay zones with flow in both the fracture and matrix systems. Single porosity means matrix, dual porosity means both matrix and fractures and triple porosity means matrix, fractures and vugs. The description of displacement mechanisms in fractured reservoirs can be construed as: oil expansion, gravity forces, capillary forces, balance of gravity and capillary forces, diffusion and convection. Fractures are usually found in limestone and dolomites due to solution, re-crystallization. Two categories of fractures are available such as: Open Fractures and Closed Fractures which depend mainly on circulation water and precipitation. Fractures which are closed at surface conditions may be open in reservoir conditions. Fractures related to folding axis are such as: longitudinal fractures, along the folding axis and transverse fractures, perpendicular to the folding axis and diagonal fractures, in relation with the folding axis. There are some pivotal issues and expressions in fractured reservoirs that in this paper, an approach to the advanced concepts in Naturally Fractured Reservoirs has been studied.
Keywords: Naturally Fractured Reservoirs, Dual porosity reservoir, Dual Permeability reservoir, fracture and matrix, Open Fractures and Closed Fractures, expressions in fractured reservoirs.
Scope of the Article: Petroleum Geology