Characterization of reservoir rocks and fluids by surface electromagnetic transient methods

The objectives of this research are to improve the interpretations of transient electromagnetic (TEM) measurements over two-dimensional subsurface structures. TEM is a surface electromagnetic method employed in fossil energy reservoir exploration and characterization. Electrical measurements find ap...

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Bibliographic Details
Main Authors: Hoekstra, P., Blohm, M. W. (Blackhawk Geosciences, Inc., Golden, CO (United States)), Stoyer, C. H. (Interpex Ltd. (United States)), James, B. A. (James Consulting Services (United States))
Other Authors: United States. Department of Energy.
Format: Report
Language:English
Published: Blackhawk Geosciences, Inc., Golden, CO (United States) 1992
Subjects:
Numerical Solution
Fuels
Geophysical Surveys
Site Selection
Progress Report
Mathematical Models
Document Types
Finite Element Method
Electromagnetic Surveys
Data
Enhanced Recovery
Theoretical Data
Algorithms
020300 > Petroleum > Drilling & Production
Reservoir Fluids
Fossil Fuels
Mathematical Logic
Displacement Fluids
Two-Dimensional Calculations
Experimental Data
Numerical Data
Energy Sources
02 Petroleum
Monitoring
Information
Fluids
Petroleum
Surveys 020200* > Petroleum > Reserves
Geology
& Exploration
Electrical Surveys
Reservoir Rock
permafrost
Online Access:https://doi.org/10.2172/7296641
https://digital.library.unt.edu/ark:/67531/metadc1449158/
Description
Summary:The objectives of this research are to improve the interpretations of transient electromagnetic (TEM) measurements over two-dimensional subsurface structures. TEM is a surface electromagnetic method employed in fossil energy reservoir exploration and characterization. Electrical measurements find application in (i) assisting in fossil energy exploration mainly in areas where seismic methods yield inadequate data quality, such as volcanic covered terrain, permafrost areas, and the Rocky Mountain overthrust; (ii) mapping contacts between hydrocarbon and brines in shallow producing horizons, and (iii) in monitoring enhanced oil recovery processes which cause zones of lower resistivity. Accomplishments for this past year are presented for the following tasks: (1) site selection and acquisition of high density, 3-component TEM data set over test site; (2) finite element forward modeling; and (3) TEM 2-D subsurface imaging.

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