An Integrated Rock Typing Approach for Unraveling the Reservoir Heterogeneity of Tight Sands in the Whicher Range Field of Perth Basin, Western Australia

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An Integrated Rock Typing Approach for Unraveling the Reservoir Heterogeneity of Tight Sands in the Whicher Range Field of Perth Basin, Western Australia. / Ilkhchi, Rahim Kadkhodaie; Rezaee, Reza; Harami, Reza Moussavi; Friis, Henrik; Ilkhchi, Ali Kadkhodaie.

In: Open Journal of Geology, Vol. 4, 20.08.2014, p. 373-385.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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Ilkhchi, Rahim Kadkhodaie ; Rezaee, Reza ; Harami, Reza Moussavi ; Friis, Henrik ; Ilkhchi, Ali Kadkhodaie. / An Integrated Rock Typing Approach for Unraveling the Reservoir Heterogeneity of Tight Sands in the Whicher Range Field of Perth Basin, Western Australia. In: Open Journal of Geology. 2014 ; Vol. 4. pp. 373-385.

Bibtex

@article{c940ed5115a942a8b43368796d3d4255,
title = "An Integrated Rock Typing Approach for Unraveling the Reservoir Heterogeneity of Tight Sands in the Whicher Range Field of Perth Basin, Western Australia",
abstract = "Tight gas sands in Whicher Range Field of Perth Basin show large heterogeneity in reservoir characteristicsand production behavior related to depositional and diagenetic features. Diageneticevents (compaction and cementation) have severely affected the pore system. In order to investigatethe petrophysical characteristics, reservoir sandstone facies were correlated with core porosityand permeability and their equivalent well log responses to describe hydraulic flow unitsand electrofacies, respectively. Thus, very tight, tight, and sub-tight sands were differentiated. Toreveal the relationship between pore system properties and depositional and diagenetic characteristicsin each sand type, reservoir rock types were extracted. The identified reservoir rocktypes are in fact a reflection of internal reservoir heterogeneity related to pore system properties.All reservoir rock types are characterized by a compacted fabric and cemented framework. Butdistribution and dominance of diagenetic products in each of them depend on primary depositionalcomposition and texture. The results show that reservoir rock typing based on three aspectsof reservoir sandstones (depositional properties, diagenetic features and petrophysicalcharacteristics) is a suitable technique for depiction of reservoir heterogeneity, recognition of reservoirunits and identifying factors controlling reservoir quality of tight sandstones. This methodologycan be used for the other tight reservoirs.",
author = "Ilkhchi, {Rahim Kadkhodaie} and Reza Rezaee and Harami, {Reza Moussavi} and Henrik Friis and Ilkhchi, {Ali Kadkhodaie}",
year = "2014",
month = "8",
day = "20",
doi = "10.4236/ojg.2014.48029",
language = "English",
volume = "4",
pages = "373--385",
journal = "Open Journal of Geology",
issn = "2161-7570",
publisher = "Scientific Research Publishing, Inc.",

}

RIS

TY - JOUR

T1 - An Integrated Rock Typing Approach for Unraveling the Reservoir Heterogeneity of Tight Sands in the Whicher Range Field of Perth Basin, Western Australia

AU - Ilkhchi, Rahim Kadkhodaie

AU - Rezaee, Reza

AU - Harami, Reza Moussavi

AU - Friis, Henrik

AU - Ilkhchi, Ali Kadkhodaie

PY - 2014/8/20

Y1 - 2014/8/20

N2 - Tight gas sands in Whicher Range Field of Perth Basin show large heterogeneity in reservoir characteristicsand production behavior related to depositional and diagenetic features. Diageneticevents (compaction and cementation) have severely affected the pore system. In order to investigatethe petrophysical characteristics, reservoir sandstone facies were correlated with core porosityand permeability and their equivalent well log responses to describe hydraulic flow unitsand electrofacies, respectively. Thus, very tight, tight, and sub-tight sands were differentiated. Toreveal the relationship between pore system properties and depositional and diagenetic characteristicsin each sand type, reservoir rock types were extracted. The identified reservoir rocktypes are in fact a reflection of internal reservoir heterogeneity related to pore system properties.All reservoir rock types are characterized by a compacted fabric and cemented framework. Butdistribution and dominance of diagenetic products in each of them depend on primary depositionalcomposition and texture. The results show that reservoir rock typing based on three aspectsof reservoir sandstones (depositional properties, diagenetic features and petrophysicalcharacteristics) is a suitable technique for depiction of reservoir heterogeneity, recognition of reservoirunits and identifying factors controlling reservoir quality of tight sandstones. This methodologycan be used for the other tight reservoirs.

AB - Tight gas sands in Whicher Range Field of Perth Basin show large heterogeneity in reservoir characteristicsand production behavior related to depositional and diagenetic features. Diageneticevents (compaction and cementation) have severely affected the pore system. In order to investigatethe petrophysical characteristics, reservoir sandstone facies were correlated with core porosityand permeability and their equivalent well log responses to describe hydraulic flow unitsand electrofacies, respectively. Thus, very tight, tight, and sub-tight sands were differentiated. Toreveal the relationship between pore system properties and depositional and diagenetic characteristicsin each sand type, reservoir rock types were extracted. The identified reservoir rocktypes are in fact a reflection of internal reservoir heterogeneity related to pore system properties.All reservoir rock types are characterized by a compacted fabric and cemented framework. Butdistribution and dominance of diagenetic products in each of them depend on primary depositionalcomposition and texture. The results show that reservoir rock typing based on three aspectsof reservoir sandstones (depositional properties, diagenetic features and petrophysicalcharacteristics) is a suitable technique for depiction of reservoir heterogeneity, recognition of reservoirunits and identifying factors controlling reservoir quality of tight sandstones. This methodologycan be used for the other tight reservoirs.

U2 - 10.4236/ojg.2014.48029

DO - 10.4236/ojg.2014.48029

M3 - Journal article

VL - 4

SP - 373

EP - 385

JO - Open Journal of Geology

JF - Open Journal of Geology

SN - 2161-7570

ER -