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The AAPG/Datapages Combined Publications Database

Four Corners Geological Society


Natural Fracture Systems in the Southern Rockies, 1999
Pages 105-116

Tonal Indicators of Fractured Reservoirs: A Remote Sensing Case Study in the San Juan Basin, Northwestern New Mexico

Arthur J. Pyron


The author recently completed a quick appraisal investigation of a portion of the San Juan Basin in Northwestern New Mexico by the use of a commercially available LANDSAT TM scene. A strong correlation between observed tonal anomalies and production, whether that production be coal bed methane, natural gas, or petroleum was established. In addition, it was observed that the intersection of fractures and tonal anomalies coincided with productive fractured reservoirs.

This paper will discuss the results of this rapid appraisal study, evaluate the theoretical rational for the observed conditions, and make recommendations for additional investigations in the study area.

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