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Scales and Characteristics of Heterogeneity in Sandstone Reservoirs, Miri Field, Sarawak

Barat, Junnyaruin (2011) Scales and Characteristics of Heterogeneity in Sandstone Reservoirs, Miri Field, Sarawak. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Reservoir is a porous and permeable underground formation containing an individual and separate natural accumulation of producible hydrocarbons, oil or gas, which is confined by impermeable rock or water barriers and is characterized by a subsurface, porous, permeable rock body in which oil and gas are stored (Oil Gas Glossary, 2007). A good reservoir is influenced by two important factors. These are the porosity to host oil or gas and the permeability to allow the movement of fluids in the reservoir rock (Allen, 1982). Most reservoir rocks are limestone, dolomites, sandstones, or a combination of these three types of rocks. Dan and Edward (2000) stated that sandstone and carbonate are the dominant reservoir rocks. In particular, sandstone is commonly porous and permeable and therefore a likely type of rock in which to find a petroleum reservoir. The quality of reservoir is determined by interrelationship between porosity, permeability, thickness, mineral composition, lateral distribution of rock. Therefore, a detailed study on reservoir properties must be derived from the characteristics of reservoir heterogeneity and interpretation of geological and petrophysical data. Reservoir heterogeneity is a formation with different specific and relative permeability characteristics (Ambastha, 1995). Reservoir heterogeneity is variation in rock properties within a single reservoir that affuct the flow of hydrocarbons. A number of factors such as pore size distribution, core-scale heterogeneity and the geological structure of rock are known to affect the measured petrophysical properties in core plug samples.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Production and Completion Engineering - Completion and prevention - Sand control
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 13 Nov 2013 17:16
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10590

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