PSSequence
Stratigraphy and Facies Analysis of the Upper Morrow Sandstone, Mustang East
Field
, Morton County, Kansas*
By
Adam DeVries1
Search and Discovery Article #20032 (2006)
Posted May 17, 2006
*Best poster presentation at 2005 AAPG Mid-Continent Section Meeting, Oklahoma City, OK, September 10-13, 2005.
Click to view posters in PDF format (5.0 mb).
1Oklahoma State University, Stillwater, OK; currently Dominion Exploration & Production, Inc., Oklahoma City, OK ([email protected])
Abstract
The objective of this study is to interpret the environment of deposition and
the depositional processes responsible for the formation of the Upper Morrow
Sandstone within the Mustang East
Field
of Morton County, Kansas. In particular,
these processes are examined to determine their impact on petroleum reservoir
quality. The Upper Morrow has long been a lucrative target within the Hugoton
Embayment of the Anadarko Basin. The relatively shallow drilling depths
(~4,000-6,000 ft.) and large volumes of produced oil and gas ensure that the
upper Morrow will remain an active drilling target now and in the future. More
than 100 mmbo and 500 bcf of gas have been recovered from Morrow incised
valley-fills of eastern Colorado and western Kansas (Bowen and Weimer, 2003).
Fullbore Formation MicroImager (FMI) (Schlumberger ®) and STAR Resistivity Image
(SRI) (Baker Atlas ®) logs, calibrated to core derived porosity and permeability
measurements, are evaluated to establish reservoir properties of designated
facies and predict the spatial distribution of reservoirs within them. Whole
core analysis, conventional log analysis, and micro-resistivity images are
integrated to characterize facies and establish their distribution within the
study area. Once the depositional model is established, this
field
may be used
as an analog for interpreting depositional environments and predicting reservoir
quality of upper Morrow sandstones in the upper Morrow oil and gas producing
areas of southwest Kansas, southeast Colorado, and the Oklahoma and Texas
panhandles.
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