Chinook

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Chinook oil and gas field

Field: Chinook Oil and Gas Field
Location: Carnarvon Basin
Top of HRDZ: 650 ms
Pull-up: Small
Intensity: Low
Amplitude Anomalies: Moderate
Area: Small
Data Degradation: Small

A possible HRDZ lies to the north of the Chinook oil and gas field. It has been identified by its bright amplitude, with underlying modest time pull-up (Fig. 16). The Chinook Field is probably full to spill. Although the Chinook anomaly may not be a HRDZ per se, it could still be a hydrocarbon-related feature, such as a buried carbonate mound or reef. Shallow anomalies like this are very rare in the Carnarvon Basin, and when they overlie deeper structures, a model involving hydrocarbon leakage should at least be considered.


Figure 16. Possible HRDZ North of the Chinook Oil and Gas Field in the Carnarvon Basin.

The APPEA Journal 2000.  © This collection APPEA Limited 2000. Authors retain © in respect of their own contribution.