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PESA SA/NT Evening Talk, Thursday 6th June – Origin and Diagenetic Evolution of Microporosity in Cretaceous Limestone Reservoirs, Abu Dhabi

Thursday, June 6 @ 17:30 - 20:00

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Guest Speaker: Professor Sadoon Morad

Sadoon Morad is currently professor at the Department of Earth Sciences, The Petroleum Institute, Khalifa University, Abu Dhabi, United Arab Emirates.  His research work focuses mainly on the fields of diagenesis of siliciclastic and carbonate deposits and is conducted in collaboration with oil companies.  Special emphasis is made on linking impact of diagenesis on reservoir quality evolution and distribution to depositional facies and sequence stratigraphy of these deposits. Professor Morad has served as Associate Editor for Journal of Sedimentary Research, Sedimentary Geology, Marine and Petroleum Geology, Geologica Acta, and Journal of Petroleum Geology, and as editor/co-editor of four special publications for the International Association of Sedimentologists (IAS): Carbonate Cementation in Sandstones; Quartz Cementation in Sandstones; Clay Minerals Cements in Sandstones; Linking Diagenesis to Sequence Stratigraphy of Sedimentary Rocks.

PESA SA/NT Evening Talk – Thursday 6th June

Origin and Diagenetic Evolution of Microporosity in Cretaceous Limestone Reservoirs, Abu Dhabi

When: Thursday 6th June; Networking in Henry’s Bar from 5.30pm, with presentation from 6.15pm in The Library

Where: Ayers House, 288 North Tce, Adelaide

Speaker: Prof Sadoon Morad (The Petroleum Institute, Khalifa University, United Arab Emirates)

The books need new chapters! Microporosity in carbonate grainstone and mudstone reservoirs, which is gaining more attraction of the petroleum industry because they host substantial hydrocarbon reserves, is generated by the complex interplay between depositional and diagenetic processes. A petrographical ( optical, SEM, QEMSCAN, BSE), fluid-inclusion and stable isotopic study of a Lower Cretaceous grainstone reservoir, Abu Dhabi, UAE, revealed that: (1) micritization of ooids and skeletal fragments, which resulted in spheroidal (rounded) micrite, accounts for most microporosity in peloidal grainstones; (2) transformation of spheroidal micrite into subhedral/euhedral micrite and microspar, could happen via precipitation of syntaxial calcite overgrowths around micrite (micro-overgrowths. (3) The pore size distribution in the grainstones is altered from unimodal macropore dominated to bimodal pore system. (4) Permeability and microporosity, which exists between micrite particles, are higher in mudstones with higher proportion of intact coccoliths. (5) Precipitation of calcite cement around micrite (i.e. destruction of microporosity) is more extensive in the more stylolitized water zone than in the oil zone causing lower porosity and permeability of the carbonate reservoir in the water zone.


Sadoon Morad is currently professor at the Department of Earth Sciences, The Petroleum Institute, Khalifa University, Abu Dhabi, United Arab Emirates.  His research work focuses mainly on the fields of diagenesis of siliciclastic and carbonate deposits and is conducted in collaboration with oil companies.  Special emphasis is made on linking impact of diagenesis on reservoir quality evolution and distribution to depositional facies and sequence stratigraphy of these deposits. Professor Morad has served as Associate Editor for Journal of Sedimentary Research, Sedimentary Geology, Marine and Petroleum Geology, Geologica Acta, and Journal of Petroleum Geology, and as editor/co-editor of four special publications for the International Association of Sedimentologists (IAS): Carbonate Cementation in Sandstones; Quartz Cementation in Sandstones; Clay Minerals Cements in Sandstones; Linking Diagenesis to Sequence Stratigraphy of Sedimentary Rocks.


Canapes and cheese platters will be available from 5.30pm in Henry’s Bar; drinks are available for purchase at the bar.

Please note that bookings will close at 5pm on Tuesday 4th June

Details

Date:
Thursday, June 6
Time:
17:30 - 20:00

Venue

Ayers House
288 North Tce, Adelaide, SA 5000 Australia
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