--> Abstract: Evaluating Hydrocarbon Potential Through Analogue Studies: Case Study from Proterozoic Basins; Ganga Basin, India & Beetaloo Basin, Australia, by Sujata R. Mishra; #90081 (2008)
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Evaluating Hydrocarbon Potential Through Analogue Studies: Case Study from Proterozoic Basins; Ganga Previous HitBasinNext Hit, India & Beetaloo Previous HitBasinNext Hit, Australia

Sujata R. Mishra
Delta Studies Institute, Andhra University, Vishakapatnam, India

Analogue studies of Basins are fast emerging as tools towards evaluating hydrocarbon potential of lesser explored Basins. Beetaloo Previous HitBasinNext Hit, Australia and Ganga Previous HitBasinNext Hit, India, both interior sag basins of Meso Proterozoic time. Proximity in time and space in terms of plate positions of both these Basins has dictated commonality in Previous HitbasinNext Hit evolution.
Comparisons of these basins have exhibited similarities in:
-Interior sag cycles in Previous HitbasinNext Hit development.
-Development of source potential in Neo Proterozoic Tilhar-Ujhani formation in Ganga Previous HitbasinNext Hit and Velkerri formation and Kyalla formation in Beetaloo Previous HitBasinNext Hit, Which deposited under shallow marine condition and is sapropelic, algal in nature having gas and gas condensates in Ganga Previous HitbasinNext Hit and Kerogen type-I&II in Beetaloo Previous HitbasinNext Hit.
Presence of reservoir of similar character. E.g Ujhani sandstone Ganga Previous HitbasinNext Hit and Jamison sandstone Beetaloo Previous HitbasinNext Hit.
Traps: showing similarity in the form of unconformity traps in the Proterozoic.
Seals: Intra formational Proterozoic seals and regional unconformity seals like lower -Siwalik (Tertiary) regional unconformity in Ganga Previous HitbasinNext Hit India and hay field mudstone (Proterozoic) in Beetaloo Previous HitbasinNext Hit.
Strike slip events leading to formational folds in lower Siwaliks in Ganga Previous HitbasinNext Hit and Cambrian in Beetaloo Previous HitbasinNext Hit.
Dissimilarities observed in these Basins are:
Volcanic events at1100my in Beetaloo Previous HitbasinNext Hit and interior fracture in initial part of Previous HitbasinNext Hit development have not happened in Ganga Previous HitBasinNext Hit.
Study takeaway includes:
-The mode of occurrence of gas shows in Beetaloo Previous HitBasinNext Hit. The petroleum system style observed in Beetaloo could be replicated in Ganga.
-The reported occurrence of deep Previous HitbasinNext Hit gas in Beetaloo Previous HitbasinNext Hit can emerge as a new play in Ganga Previous HitbasinNext Hit as well.

Presentation GEO India Expo XXI, Noida, New Delhi, India 2008©AAPG Search and Discovery