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Geological Society, London, Special Publications; 1992; v. 61; p. 471-496;
DOI: 10.1144/GSL.SP.1992.061.01.24
© 1992 Geological Society of London

The petrophysical characteristics of the Brent sandstones

Brian Moss

Moss Petrophysical Ltd, 1 Swaynes Lane, Merrow, Guildford, Surrey, UK

The commonly occurring ranges and the principal controlling factors of the porosity, permeability, capillary characteristics and fluid saturations of the Brent sandstones are presented. Whilst there is insufficient space to discuss these parameters in specific detail, their variability and the degree to which they are influenced by the geological characteristics of the Brent sandstones is reviewed. The paper shows, through the use of examples, that a thorough understanding of the petrophysical characteristics of a reservoir rock requires the integration of several types of data into a single model. The wireline log and laboratory core analyses provide a quantitative input, whilst geological factors such as mineralogy, diagenetic history, and sedimentary fabric provide a most necessary framework within which the pore geometry variability, detected by log and core data, can be examined. An appendix summarizes the principal quantitative techniques involved.





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D. J. Prosser and R. R. Carter
Permeability heterogeneity within the Jerudong Formation: an outcrop analogue for subsurface Miocene reservoirs in Brunei
Geological Society, London, Special Publications, 1997; 126: 195 - 235.
[Abstract] [PDF]