Coupled Processes in Inhomogeneous Geological Systems
{'Code': '06030204', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'Michael A. Mayhew', 'PO_EMAI': None, 'PO_PHON': None}
The electrical coupling coefficients in rocks are widely                   used in oil, gas and mineral prospecting.  Examples include                     downhole resistivity and spontaneous potential measurements as                  well as surface gophysical self-potential profiling.                            Interpretation of the measurements in terms of microscopic rock                 properties requires a detailed knowledge of the mechanisms of ion               transport in pore networks.  Inhomogeneities in geologic                        membranes can arise as a result of intimate mixing, sedimentation               and diagenesis of mixtures of minerals or in the form of organic                surface coatings such as kerogen in shales.  These                              inhomogeneities may significantly alter the membrane properties                 of the rock.  No systematic study has been undertaken to                        investigate this dependence.  It is the objective of this project               to obtain a better understanding of the nature of electro-                      chemical-kinetic coupling in these inhomogeneous systems.
{'FirstName': 'Mukul', 'LastName': 'Sharma', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Mukul M Sharma', 'EmailAddress': 'mukul_sharma@pe.utexas.edu', 'NSF_ID': '000443027', 'StartDate': '12/15/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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{'Code': '157400', 'Text': 'Geophysics'}
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