--> ABSTRACT: Integrated Data Access for Geoscience Interpretation Systems, by K. Waagbo, S. B. Guthery, K. M. Landgren; #91003 (1990).
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ABSTRACT: Integrated Previous HitDataNext Hit Access for Geoscience Previous HitInterpretationNext Hit Systems

K. Waagbo, S. B. Guthery, K. M. Landgren

Geoscience Previous HitinterpretationNext Hit deals with many types of Previous HitdataNext Hit: geographic Previous HitdataNext Hit, seismic Previous HitdataNext Hit, well log Previous HitdataNext Hit, geological Previous HitdataNext Hit, core analysis Previous HitdataNext Hit, well test Previous HitdataNext Hit, and production Previous HitdataNext Hit. One of the most difficult and most important tasks in any geoscientific Previous HitinterpretationNext Hit project is finding and assembling all the relevant Previous HitdataNext Hit into forms suitable for Previous HitinterpretationNext Hit. The increasing use of computers and software systems to assist in the Previous HitinterpretationNext Hit task has led to storage of Previous HitdataNext Hit in digital form, and to the introduction of database techniques to manage the digitally stored Previous HitdataNext Hit. As the trend toward integrated Previous HitinterpretationNext Hit of Previous HitdataNext Hit has increased, the problem of access, by different Previous HitinterpretationNext Hit programs, to Previous HitdataNext Hit stored in different formats, in different databases, and in differ nt systems, has intensified. If a variety of Previous HitinterpretationNext Hit programs are to have access to the entire spectrum of oil-field Previous HitdataNext Hit, the Previous HitdataNext Hit should be stored in standard exchange formats. These standard formats should be organized according to a uniform Previous HitdataNext Hit model, with a well-defined programming interface for Previous HitdataNext Hit access. This Previous HitdataNext Hit model must support different views of the Previous HitdataNext Hit. One such view is the geographic (or geometric) view. This view gives the user a description of all the Previous HitdataNext Hit available for a geographic region. Another view is the project view, which provides a local three-dimensional coordinate system in which to work. In the project, a structural model for the physical attributes of the subsurface is described by surfaces, layers, and volumes.

To be of most use in petroleum geoscience, the Previous HitdataNext Hit model should include both measured and interpreted Previous HitdataNext Hit, and should allow iterative refinement of both kinds of Previous HitdataNext Hit from exploration through production. In the iterative refinement process, several applications and users will often work in parallel, resulting in the need for typical features provided by database management systems. We show how integrated application programs can use a Previous HitdataNext Hit access system based on a uniform Previous HitdataTop model.

AAPG Search and Discovery Article #91003©1990 AAPG Annual Convention, San Francisco, California, June 3-6, 1990