Analysis of errors in historical use of Archie’s parameters

F. Awolusi, O. Fasesan, P. Adisoemarta, L. R. Heinze

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

While it is common knowledge that the values of Archie’s parameters ‘a’, ‘m’ and ‘n’ may vary for sandstone reservoirs at different conditions – consolidated/unconsolidated, water-wet/oil-wet, pore geometry, degree of sphericity, clay content and in-situ depositional environment – the values of a=1, m=2 and n=2 has been linked historically with Archie’s equations. Statistically, these values were assumed as the population mean when used in calculations but the magnitude of errors associated with their use is often neglected. This study shows how a sample of data drawn from experimental and analytical methods of determining Archie’s parameters and well log from a sandstone reservoir are used to draw statistical inference about the population characteristics of Archie’s parameters in sandstone reservoirs and shows the magnitude of relative error possible when m=2 and n=2 is used to compute water saturation and formation resistivity factor.

Original languageEnglish
Title of host publicationCanadian International Petroleum Conference 2005, CIPC 2005
PublisherPetroleum Society of Canada (PETSOC)
ISBN (Print)9781613991121
StatePublished - 2005
Event6th Canadian International Petroleum Conference 2005, CIPC 2005 - Calgary, United States
Duration: Jun 7 2005Jun 9 2005

Publication series

NameCanadian International Petroleum Conference 2005, CIPC 2005

Conference

Conference6th Canadian International Petroleum Conference 2005, CIPC 2005
CountryUnited States
CityCalgary
Period06/7/0506/9/05

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