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Paper Information

Journal:   IRANIAN INTERNATIONAL JOURNAL OF SCIENCE   Spring 2000 , Volume 1 , Number 1; Page(s) 25 To 58.
 
Paper: 

DIAGENETIC STUDIES, A KEY TO REVEAL THE TIMING OF OIL MIGRATION: AN EXAMPLE FROM THE TIRRAWARRA SANDSTONE RESERVOIR, SOUTHERN COOPER BASIN, AUSTRALIA

 
 
Author(s):  REZAEI M.R.*, LEMON N.M.*
 
* University of Adelaide
 
Abstract: 
Commercial accumulation of petroleum requires several essential elements and processes which should occur in a certain sequence. Any departure from this sequence will be against petroleum accumulation. Therefore, the timing of oil migration and its emplacement in a reservoir is very important for petroleum geologists. In the present work, a sequence of diagenetic events has been established for the Tirrawarra Sandstone utilizing petrographic studies, scanning electron microscopy, stable isotope, fluid inclusion microthermometry, electron microprobe analysis, cathodoluminescence observations and X-Ray diffraction. Based on an integrated study, the timing of oil migration has been constrained with relation to other diagenetic events. Entrapment of hydrocarbon between quartz and siderite cement phases has indicated that migration of hydrocarbon has occurred at temperature range between 80°C and 102°C. This paper discusses the diagenetic history of the Tirrawarra Sandstone reservoirs in detail and then correlates diagenetic events and the timing of hydrocarbon migration
 
Keyword(s): DIAGENESIS, HYDROCARBON MIGRATION, QUARTZ CEMENT, SIDERITE CEMENT, FLUID INCLUSION MICROTHERMOMETRY
 
References: 
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