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Title: Hydrocarbon saturation determination using acoustic velocities obtained through casing

Patent ·
OSTI ID:1014496

Compressional and shear velocities of earth formations are measured through casing. The determined compressional and shear velocities are used in a two component mixing model to provides improved quantitative values for the solid, the dry frame, and the pore compressibility. These are used in determination of hydrocarbon saturation.

Research Organization:
Moos, Daniel (Houston, TX)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG03-97ER82385
Assignee:
Moos, Daniel (Houston, TX)
Patent Number(s):
7,675,817
Application Number:
US Patent Application 11/589,445
OSTI ID:
1014496
Country of Publication:
United States
Language:
English

References (5)

Theoretical rock physics for bypassed oil detection behind the casing: La Cira-Infantas oil field journal February 2001
Exact results for generalized Gassmann’s equations in composite porous media with two constituents journal December 1991
Identifying patchy saturation from well logs journal November 1999
On the Dependence of the Elastic Properties of a Porous rock on the Compressibility of the pore Fluid journal August 1975
Geochemical Logging With Spectrometry Tools journal June 1989

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