METHOD FOR REMOTE IDENTIFICATION AND CHARACTERIZATION OF HYDROCARBON SOURCE ROCKS USING SEISMIC AND ELECTROMAGNETIC GEOPHYSICAL DATA

METHOD FOR REMOTE IDENTIFICATION AND CHARACTERIZATION OF HYDROCARBON SOURCE ROCKS USING SEISMIC AND ELECTROMAGNETIC GEOPHYSICAL DATA

Method for assessing hydrocarbon source rock potential of a subsurface region without well log information. The method uses surface electromagnetic (121) and seismic (122) survey data to obtain vertical profiles of resistivity and velocity (123), which are then analyzed in the same way as well log d...

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Bibliographische Detailangaben
Hauptverfasser: SRNKA, LEONARD J, ZHU, YAPING, PASSEY, QUINN R, CONVERSE, DAVID R, BOHACS, KEVIN M
Format: Patent
Sprache:eng ; fre
Schlagworte:
DETECTING MASSES OR OBJECTS
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:Method for assessing hydrocarbon source rock potential of a subsurface region without well log information. The method uses surface electromagnetic (121) and seismic (122) survey data to obtain vertical profiles of resistivity and velocity (123), which are then analyzed in the same way as well log data are analyzed by the well known DeltaLogR method (124). L'invention porte sur un procédé d'évaluation du potentiel d'une roche source d'hydrocarbures d'une région souterraine sans informations de diagraphie de puits. Le procédé utilise des données de levé électromagnétiques (121) et sismiques (122) de surface pour obtenir des profils verticaux de résistivité et de célérité (123), qui sont ensuite analysés de la même manière que des données de diagraphie de puits par la méthode bien connue DeltaLogR (124).