Frontier exploration: Lithology and fluid insights via forward modeling from locally constrained regional rock physics, Chidley Basin, Newfoundland and Labrador, Canada
- Nicholas Montevecchi (Nalcor Energy Oil and Gas) | Ian Atkinson (Nalcor Energy Oil and Gas) | Erin Gillis (Nalcor Energy Oil and Gas) | Victoria Mitchell (Nalcor Energy Oil and Gas) | Alice Spencer (Nalcor Energy Oil and Gas) | Richard Wright (Nalcor Energy Oil and Gas)
- Document ID
- Society of Exploration Geophysicists
- SEG International Exposition and Annual Meeting, 15-20 September, San Antonio, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2019. Society of Exploration Geophysicists
- Modeling, Rock physics, AVO/AVA
- 3 in the last 30 days
- 3 since 2007
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Forward modeling of a Miocene prospect (Plum Point) from recently acquired long offset, 2D broadband seismic demonstrates evidence of multiple fluids phases within the Chidley Basin, offshore Labrador. The presence of liquid hydrocarbons in what has generally been thought of as a gas prone region has the potential to generate interest in a frontier, undrilled basin. This modeling contributes to the ongoing de-risking work in an unexplored basin where anomalous AVO signatures show potential prospects but where limited constraints on rock properties, due to lack of well data, create uncertainty in the interpretation of the seismic amplitude responses. This particular QI workflow moves through the generation of expected elastic and geologic properties of the Plum Point prospect using regional rock physics relationships, compaction trends and locally constrained data. The resulting expected properties are subsequently perturbed to best fit the pre-stack seismic response by incorporating empirical rock physics models as constraints to the perturbation analysis. This methodology allows for deterministic prediction of reservoir properties, represented in a detailed 2D seismic model.
Presentation Date: Monday, September 16, 2019
Session Start Time: 1:50 PM
Presentation Time: 2:40 PM
Presentation Type: Oral
|File Size||632 KB||Number of Pages||5|
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