--> Abstract: Seismic Sequence Stratigraphy of the Upper Morrow Formation; A Regional Study in the Western Anadarko Basin, by J. R. Halverson, C. H. Stevens, D. W. Anderson, and J. P. Brooke; #90921 (1999).
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HALVERSON, J. R., Synergy Exploration, Amarillo, Texas; CALVIN H. STEVENS, DAVID W. ANDERSON, and JOHN P. BROOKE, San Jose State University, San Jose, California

Abstract: Previous HitSeismicNext Hit Sequence Previous HitStratigraphyNext Hit of the Upper Morrow Formation; A Regional Study in the Western Anadarko Basin

The upper Morrow Formation in the western Anadarko Basin, northeastern Texas Panhandle, was studied using 360 km of Previous HitseismicNext Hit inversion data integrated with data from 80 wells. The goals were to use Previous HitseismicNext Hit data to interpret the lithologies, depositional environments, evolving paleogeography, and changing sea level represented by this stratigraphic interval.

Previous HitSeismicNext Hit interval velocity contouring, based upon wavelet character, and correlation with borehole data provided the basis for the interpretations. Characteristic Previous HitseismicNext Hit signatures of three lithologies, sandstone, shale, and clayey siltstone, were recognized.

Sandstone anomalies, concentrated at three Previous HitseismicNext Hit horizons, were mapped. The highest and lowest horizons are interpreted to represent deltaic distributary channel systems, whereas the middle horizon is interpreted to represent a meandering fluvial system. These Previous HitseismicTop horizons are also interpreted to represent three minor progradational pulses of 4th- to 5th-order global stratigraphic cycles produced by repeated glaciation in the southern hemisphere, with possible tectonically generated pulses superimposed.

AAPG Search and Discovery Article #90921©1999 AAPG Mid-Continent Section Meeting, Wichita, Kansas