Quantification of Pore Type System in Carbonate Rocks for Rock Physics Modelling
J. Sharifi, M. Mirzakhanian, M.R. Saberi, M. Moradi and M. Sharifi
Event name: 80th EAGE Conference and Exhibition 2018
Session: Rock Physics I - Carbonates
Publication date: 11 June 2018
Info: Extended abstract, PDF ( 658.58Kb )
Price: € 20
Seismic responses of carbonate reservoirs are not well understood due to complex nature of pore system in these rocks. Therefore, it has been a challenge for researchers to develop an accurate rock physics model for carbonate rocks. In this study, a method was proposed for quantification of pore system in carbonate rocks for rock physics modeling purposes. Accordingly, Wyllie time-average equation (1956) and the methods introduced by Schlumberger (1974) and Lucia and Conti (1987) were used to obtain pore type in a given reservoir. With the aim of proposing a method for determining pore system, parameters of the rock physics model proposed by Xu and Payne (2009) were evaluated. Next, the results were verified based on core studies and thin section and SEM analyses, indicating a good agreement between estimated pore type from well log data and laboratory analysis results. The proposed methodology can help develop rock physics models for estimating continuous pore type logs in professional software packages.