The Permian Basin is known to be one of the most prolific petroleum provinces in the United States, largely due to the favorable rock properties and significant hydrocarbon volumes of the unconventional Wolfcamp Formation. The Permian Basin’s eastern sub-basin, the Midland Basin, has had increased horizontal drilling activity throughout the last few years, and many operators have been focused in its southern region. Upper Wolfcamp production throughout this region has proven to be economic; however, some companies have had more success than others. This study focuses on acreage located in Crockett County, TX, and expands upon how the depositional environment and thermal history of the Upper Wolfcamp have had an effect on organic matter concentration and source rock maturation, and therefore, production potential. 791 well logs have been correlated in order to construct isopach and structure maps and investigate structural and stratigraphic controls. Due to the availability of core data, special emphasis has been placed on 14 of those wells to study the depositional settings and map the maturation patterns. Burial history models and well comparisons are also incorporated to gain a better understanding of how the tectonic history and thermal controls can vary throughout the mapped area. Mapping and modeling results indicate that even though the Upper Wolfcamp is now in the early oil window, the study area was long buried at shallower depths, exposed to lower paleo-heat flow values, and also deposited in a high energy environment that was affected by bioturbation, thus influencing organic source rock accumulation, preservation, and maturation, which in turn possibly impacted the potential to produce hydrocarbons in commercial quantities.
|Advisor:||Lock, Brian E.|
|Commitee:||Borrok, David M., Kinsland, Gary L.|
|School:||University of Louisiana at Lafayette|
|School Location:||United States -- Louisiana|
|Source:||MAI 55/03M(E), Masters Abstracts International|
|Keywords:||Crockett county, Midland basin, Permian basin, Wolfcamp formation|
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