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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
Abstract
DOI: 10.1306/09141514228
Fracture
characterization and modeling from virtual outcrops
Fracture
characterization and modeling from virtual outcrops
G. Casini,1 D. W. Hunt,2 E. Monsen,3 and A. Bounaim4
1Statoil Research Center, Sandsliveien 90, P.O. Box 7200, 5020 Bergen, Norway; [email protected]
2Statoil Research Center, Sandsliveien 90, P.O. Box 7200, 5020 Bergen, Norway; [email protected]
3Schlumberger Stavanger Research, Risabergveien 3, Tananger, P.O. Box 8013, 4068 Stavanger, Norway; [email protected]
4Schlumberger Stavanger Research, Risabergveien 3, Tananger, P.O. Box 8013, 4068 Stavanger, Norway; [email protected]
ABSTRACT
Advances in virtual outcrop technologies and their introduction to
fracture
characterization allow extraction of
fracture
data from very large and inaccessible areas. The recent development of automated or semiautomated methods for
fracture
extraction aims to reduce or avoid tedious, time-consuming, and biased manual interpretation of fractures from virtual outcrops. We present a benchmarking exercise between a previously proposed automated
fracture
picking method, manual picking, and fieldwork methods. Comparison between the three methods highlighted their relative advantages and limitations. The automated
fracture
picking method provided excellent results in terms of
fracture
orientation, size, spatial distribution, and density. Fieldwork is complementary to
fracture
extraction from virtual outcrops, and it should focus on quality control of remote sensing data, poorly exposed areas, small-scale observations, diagenesis, timing of
fracture
development, building conceptual models, and linking
fracture
stratigraphy to rock properties. We propose a best practice for the use and integration of manual and/or automated
fracture
extraction from virtual outcrop and fieldwork data for
fracture
characterization and modeling from outcrop analogs. We consider integration of different methods as the best way to improve the modeling exercise while reducing operational costs and risks.
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