CHARACTERIZATION OF RESERVOIR ROCK TYPES IN A HETEROGENEOUS CLASTIC AND CARBONATE RESERVOIR

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BAGHERI A.M.; BEIRANVAND B.

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Paper Information

Journal: JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT) Year:2006 | Volume:32 | Issue:2 (SECTION GEOLOGY 1) Page(s): 29-38

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Title

CHARACTERIZATION OF RESERVOIR ROCK TYPES IN A HETEROGENEOUS CLASTIC AND CARBONATE RESERVOIR

Author(s)

BAGHERI A.M. | BEIRANVAND B. | Issue Writer Certificate

Keywords

ROCK TYPES

CAPILLARY PRESSURE

PERMEABILITY

PETROPHYSICAL LOGS

FUZZY LOGIC

Abstract

Identifying reservoir ROCK TYPES and their most significant vertical and horizontal heterogeneities is an essential component of reservoir characterization process, which are among the key input parameters in to a three-dimensional geological and flow simulation models. A reservoir classification and rock typing study were carried out on the Asmari formation of a mixed siliciclastic and carbonate reservoir in Iran. Detailed core analysis data including CAPILLARY PRESSURE, core porosity, core PERMEABILITY and core description supplemented by well logs revealed a complete vertical sequence of seven distinct clastic and carbonate reservoir ROCK TYPES. Identification of the reservoir intervals and pay zones was carried out by means of the above results. Core based reservoir ROCK TYPES were examined for each cored wells and log based reservoir ROCK TYPES were selected and assigned in the uncured wells. The above data were applied as input parameters in a method based on FUZZY LOGIC inference. The FUZZY LOGIC technique was calibrated in 4 cored wells and blind tested in the other cored wells to determine the reservoir ROCK TYPES. After the secondary calibration of the FUZZY LOGIC against the core data, this technique was applied on 28 wells without any core data. The results reveal a very good match between the core data analyses and the FUZZY LOGIC determination of the reservoir ROCK TYPES. This technique can be applied to reduce the uncertainty of determination of the rock typing or as a very good predictor in uncured wells.

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APA: Copy

BAGHERI, A.M., & BEIRANVAND, B.. (2006). CHARACTERIZATION OF RESERVOIR ROCK TYPES IN A HETEROGENEOUS CLASTIC AND CARBONATE RESERVOIR. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), 32(2 (SECTION GEOLOGY 1)), 29-38. SID. https://sid.ir/paper/541390/en

Vancouver: Copy

BAGHERI A.M., BEIRANVAND B.. CHARACTERIZATION OF RESERVOIR ROCK TYPES IN A HETEROGENEOUS CLASTIC AND CARBONATE RESERVOIR. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)[Internet]. 2006;32(2 (SECTION GEOLOGY 1)):29-38. Available from: https://sid.ir/paper/541390/en

IEEE: Copy

A.M. BAGHERI, and B. BEIRANVAND, “CHARACTERIZATION OF RESERVOIR ROCK TYPES IN A HETEROGENEOUS CLASTIC AND CARBONATE RESERVOIR,” JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), vol. 32, no. 2 (SECTION GEOLOGY 1), pp. 29–38, 2006, [Online]. Available: https://sid.ir/paper/541390/en

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