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Results
Summary We interpret AVO data from a bottom simulating reflector (BSR) offshore Florida by using rock-physics-based synthetic seismic models. A previously conducted velocity and AVO analysis of the in-situ seismic data showed that the BSR separates hydrate-bearing sediments from sediments containing free methane.
Theory and Method Theoretical relationships, confirmed by laboratory and field data, suggest that hydrocarbon-bearing rocks in situ The acoustic properties of a rock containing can be differentiated from rocks containing brines using hydrocarbons are different from those of the same rock sonic velocity measurements. A project to test this when water saturated. This is because hydrocarbons in technique has been undertaken in the Wilmington Field, situ generally have a lower bulk modulus and density California.
BG 2.3 Identifying patchy saturation from well logs Summary We consider two saturation patterns in a partially saturated rock. The first is the homogeneous pattern where saturation is the same at any location in the rock. The second is the patchy pattern where a fully-saturated patch may be surrounded by a dry region. In both cases, the global saturation value in a large volume of the rock is the same. At the same global saturation, the effective acoustic properties of the rock vary depending on the saturation pattern.
- Europe > Norway > North Sea > Northern North Sea > North Viking Graben > PL 190 > Brent Group > Tarbert Formation (0.99)
- Europe > Norway > North Sea > Northern North Sea > North Viking Graben > PL 104 > Block 30/9 > Oseberg Field > Tarbert Formation (0.99)
- Europe > Norway > North Sea > Northern North Sea > North Viking Graben > PL 104 > Block 30/9 > Oseberg Field > Oseberg Formation (0.99)
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