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Abstract

AAPG Studies in Geology No. 48 / SEG Geophysical References Series No. 11, Chapter 7: Successful Application of Micromagnetic Data to Focus Hydrocarbon Exploration, by James A. Wolleben and David W. Greenlee, Pages 175 - 191
from:
AAPG Studies in Geology No. 48 / SEG Geophysical References Series No. 11: Surface Exploration Case Histories: Applications of Geochemistry, Magnetics, and Remote Sensing, Edited by Dietmar Schumacher and Leonard A. LeSchack
Copyright © 2002 by The American Association of Petroleum Geologists and the Society of Exploration Geophysicists. All rights reserved.

Chapter 7
Successful Application of Micromagnetic Data to Focus Hydrocarbon Exploration

James A. Wolleben
Advanced Micromagnetics, Inc.
Austin, Texas, U.S.A.

David W. Greenlee
Advanced Micromagnetics, Inc.
Austin, Texas, U.S.A.

ABSTRACT

Low-level, high-resolution aeromagnetic data acquired along closely spaced flight lines provide information that can be used to detect magnetic enrichment produced by vertical microseepage from hydrocarbon traps. Aeromagnetic data acquired prior to drilling display characteristic micromagnetic hydrocarbon signals over areas in which significant production is later established. Three Previous HitexamplesNext Hit of newly discovered west Texas Pennsylvanian production, one example of Jurassic production in Alabama, and Previous HitexamplesTop of various fields in Texas Railroad Commission District 4 are presented. Seismic and aeromagnetic data from an unsuccessfully drilled micromagnetic lead are reviewed, and aeromagnetic data over large nonprospective areas are displayed. To date, 87% of the micromagnetic leads that subsequently have been drilled have yielded economically successful fields or field extensions.

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