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The AAPG/Datapages Combined Publications Database
Houston Geological Society
Abstract
Houston Geological Society Report of Study Group III: Topic: Structural and Stratigraphic Distribution of Coastal Reservoirs
Abstract
This study was confined to oil and gas fields in District 3 of the Railroad Commission of Texas. All producing fields were reviewed and classified as to type of structure, producing horizon, and nature of the reservoir. These data were assembled, coded, and placed on the accompanying map.
It was concluded that time of folding is of great importance in accumulation of oil and gas, with early folds more likely to be productive in multiple sands than the recent folds. Shifting of the axis of folding with depth was observed in a number of fields.
Zones of favorable sand development have migrated Gulf-ward from Wilcox to Miocene time and generally show a down-dip graduation from sand to shale with a decrease in average porosity and permeability.
Synclinal areas generally termed "rim synclines" have been noted around several salt domes, but do not preclude oil and gas production. "Residual highs" between rim synclines have not been recognized as such in any of the producing areas.
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