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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Pennsylvanian Cycle Stratigraphy and
Carbonate Facies Control of Reservoir
Development in the Salt Creek Field,
Kent County, Texas
By
The Salt Creek Field is located in Kent County, approximately 150 miles northeast of Midland, Texas. Salt Creek was discovered using surface mapping and recognition of the producing trend established by the Kelly Snyder (SACROC) Field. The Salt Creek Field has been a prolific producer since its discovery well, Caroline Hunt Trust Estate C-1, flowed 2184 barrels of oil per day in April 1950. The field was unitized in 1952, and in 1953 a centerline injection pattern was initiated to maintain reservoir pressure. As recently as 1988, daily production for the field exceeded 31,000 barrels of oil, and yearly production was over 10.6 million barrels of oil.
Numerous geological and engineering studies have
been performed on Salt Creek since its discovery. It was
recognized quite early that Salt Creek consisted of multiple
producing zones. The most productive intervals are oolitic
grainstones. However, correlation
of oolitic grainstones is
difficult because oolites deposited at different times are
lithologically similar. Correlations based strictly on well log
curves and facies information were not accurate. It was
decided to recorrelate the producing units at Salt Creek
using additional lithologic and paleontologic information
gained from infill wells. The purpose was to use these new
correlations to assist in locating development wells, completion
of drilled wells, determining what zones to test with
workovers, and to optimize the waterflood.
One of the primary goals of this study was to recorrelate
the reservoir internally using biostratigraphic
zones to
distinguish lithostratigraphic units. In addition, it became
apparent that the reservoir contained numerous shoaling-upward
cycles. From the
biostratigraphic
zones, it appears
that these cycles correlate with other Pennsylvanian
sequences on the Eastern Shelf of Texas and midcontinent
of North America.
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