[First Hit]

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ENCISO, G., Pectin International Co., Houston TX, and D. P. Griffith, Shell Offshore Inc., New Orleans, LA

ABSTRACT: Prospecting With Pressures, Temperatures, and Previous HitVelocitiesNext Hit in the Northwest Gulf Of Mexico

In the northwest Gulf of Mexico, an empirical relationship exists between subsurface pressure, bottom-hole temperature, and seismic velocity. The pressure, velocity, and temperature patterns are controlled by sedimentation and faulting. Hydrologic fluid pressures and resulting fluid flow can be predicted and mapped by making use of mud weights, seismic Previous HitvelocitiesNext Hit, and bottom-hole temperatures.

Pressure, velocity, and temperature data have been compiled into extensive computer databases. This has allowed us to manipulate the data for the preparation of regional hydrodynamic head, seismic Previous HitintervalNext Hit velocity, and isotherm maps. The application of this pressure-velocity-temperature relationship has led to the detection of an underpressured reservoir in the Oligocene's clastic section of southwest Louisiana. The prediction of the sandy underpressured zone with Previous HitintervalTop velocity analysis provides a useful tool to explore seismically for the fluviodeltaic sands in this area.

AAPG Search and Discovery Article #90990©1993 AAPG International Conference and Exhibition, The Hague, Netherlands, October 17-20, 1993.