Methods 13 Gives Geologic Applications

Exploration Series Offers Fresh Look At Well Logs

Premise: Geological applications of well logs are as broad as geology itself and petroleum geologists can learn from their colleagues in other disciplines.

Realization: The Geological Applications of Wireline Logs, a 1999 conference sponsored by the Geological Society of London, used that premise as its theme.

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Premise: Geological applications of well logs are as broad as geology itself and petroleum geologists can learn from their colleagues in other disciplines.

Realization: The Geological Applications of Wireline Logs, a 1999 conference sponsored by the Geological Society of London, used that premise as its theme.

Result: The newest volume in AAPG's Methods in Exploration Series, No. 13, includes papers from that conference in a publication that offers good reading as well as a chance for geologists — even the most veteran — to get a fresh look at well logs.

The papers were intended to promote cross-fertilization among the three geological constituencies: practicing petroleum geologists, log users in other industries and academic researchers.

The book is divided into three sections (each introduced by an overview paper describing the principles involved). They are:

  • Technology and techniques, featuring NMR, real-time measurement, thin-bed analysis and the ability to "geo-steer" the drill stem to a precise target.

  • Sedimentology, introduced by John Doveton (University of Kansas), a section that emphasizes rock features that can be determined by using well logs.

    The section also includes papers on resistivity images, paleocurrents and stratigraphy of the oceanic crust.

  • Stratigraphy and fractures in the stress field. Covered are fluid flow, fracture networks, crustal features and discussions on underground storage of nuclear waste and development of geothermal energy.

AAPG Methods in Exploration No. 13 is $54 for AAPG members ($79 to nonmembers). Catalog 524-03.

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