The Bureau of Economic Geology The University of Texas at Austin Jackson School of Geosciences
RI0277. Wolfberry (Wolfcampian-Leonardian) Deep-Water Depositional Systems in the Midland Basin
Research Scientist Associate Daniel Enriquez and his core analysis device.
Daniel Enriquez, the Bureau’s new Research Scientist Associate and gas geochemistry laboratory technician, recently invented a device to solve a long-standing problem of core analysis. The study of in situ fluid compositions under shale reservoir conditions is problematic because volatiles can be easily lost during core drilling and post-core transport. To retain volatiles contained in the sample cores, dips and coatings such as waxes and plastics are used when cores will not be tested within a few hours or days, and when the material will be transported over long distances or requires added mechanical integrity. Accessing and accurately measuring the volatiles within the cores has been difficult, but Enriquez’s invention uses a cutting blade inside a vacuum chamber to efficiently pierce the core plug’s thick coating and capture gasses for analysis. The instrument was created in collaboration with UT’s Applied Research Laboratories and Chemistry Department. Enriquez is an alumnus of JSG’s GeoFORCE program, where he was instructed by Bureau researchers Jeffrey Paine, Sigrid Clift, and others. The program left a lasting impression on him, strongly influencing his decision to pursue his studies in geology and a career at the Bureau.
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