Method for estimating the physical parameters of a geological formation

The method involves filling heavy liquid (L2) i.e. slurry, in a tube (17) of a well (10) and a lower part of an annular space (19) around the tube. A remaining part of the space is filled with light liquid (L1) e.g. light hydrocarbon, such that the liquids present an interface (34) in the space. The...

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Bibliographische Detailangaben
Hauptverfasser:	JACQUES, ANTOINE, BOUTAUD DE LA COMBE, JEAN-LUC, BROUARD, BENOIT, BEREST, PIERRE
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The method involves filling heavy liquid (L2) i.e. slurry, in a tube (17) of a well (10) and a lower part of an annular space (19) around the tube. A remaining part of the space is filled with light liquid (L1) e.g. light hydrocarbon, such that the liquids present an interface (34) in the space. The hydraulic equilibrium in the liquids is disturbed. The evolution of quantities relative to fluid properties is measured. The hydraulic behavior of the liquids is simulated. The measured and simulated evolutions are compared to identify optimal values for parameters of a geographical formation.