Using GIS technology to integrate remote sensing and field work data with templates
- Chevron Petroleum Co. of Columbia, Bogota (Colombia)
- Chevron Overseas Petroleum, Inc., San Ramon, CA (United States)
Field work for major projects is becoming more dependent upon contractors who have a variety of training, experience and methodology Contractor gaps in data collected, inconsistent methodology and terminology and out-of-context observations are minimized by using digital templates and remote sensing support. The digital templates utilize off-the-shelf PC software and portable hardware. Some field data can be customized to easily correlate with well logs utilizing computer-aided drafting (CAD) technology. Processed satellite images are georeferenced to a specific map projection, utilizing ground control points determined with Global Positioning System (GPS). Geographical Information System (GIS) technology is being evaluated as an integration tool to make complex tables of field data, CAD base maps, interpretation maps, and images more useful to Earth Scientists. The GIS enables users to: (1) examine their field data, maps, and images in a PC-based environment. (2) better understand spatial relationships between field observations, images and geologic maps. (3) interactively query field data while viewing associated images and maps. (4) ultimately improve database usage, database quality, and geological interpretations. The geologic interpretation of georeferenced images and field work in the Rio Blanco license of Colombia resulted in (1) an improved geologic map with better definition of source-reservoir rock from the hangingwall to the footwall of the main thrust and (2) better surface controlled balanced crossed-sections that led to play definition and to improve seismic planning/field parameters design for refining seismic acquisition.
- OSTI ID:
- 6856133
- Report Number(s):
- CONF-960527-; CODEN: AABUD2
- Journal Information:
- AAPG Bulletin, Vol. 5; Conference: Annual convention of the American Association of Petroleum Geologists, Inc. and the Society for Sedimentary Geology: global exploration and geotechnology, San Diego, CA (United States), 19-22 May 1996; ISSN 0149-1423
- Country of Publication:
- United States
- Language:
- English
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