Geological characterization and 3D visualizations of the gas storage reservoir at Hillsboro field, Montgomery County, IL
- Illinois State Geological Survey, Champaign, IL (United States)
Geological characterizations, modeling and 3-D computer-generated visualizations of the Ordovician St. Peter Sandstone at the Hillsboro Gas Storage field in Montgomery County, Illinois, are discussed. Petrophysical analyses reveal four distinct hydraulic flow units in six cored wells. Furthermore, four lithologies, identified by thin section petrography, are associated with the various hydraulic units. Fieldwide visualizations of 3-D distributions of petrophysically-derived attributes reservoir quality index (RQI) and flow zone indicator (FZI) -- show considerable vertical variability but lateral continuity. This finding explains why it is easier to expand the gas bubble laterally than vertically. Advantages of the 3-D reservoir description of Hillsboro Gas Storage field include (1) improved definition of the spatial porosity distribution which leads to better estimation of reservoir volumetrics; (2) improved definition of reservoir hydraulic flow zones; and (3) development of realistic reservoir model(s) for the simulation and management of the gas storage field.
- OSTI ID:
- 170023
- Report Number(s):
- CONF-941185-; TRN: IM9605%%42
- Resource Relation:
- Conference: Eastern regional conference and exhibition of the Society of Petroleum Engineers: natural gas - a bright future, Charleston, WV (United States), 8-10 Nov 1994; Other Information: PBD: 1994; Related Information: Is Part Of Eastern regional meeting: Proceedings; PB: 391 p.
- Country of Publication:
- United States
- Language:
- English
Similar Records
Review of problems and their solutions in the Hillsboro gas storage field
A Hydraulic (flow) Unit based model for the determination of petrophysical properties from NMR relaxation measurements