Wolfcamp Upper A Fan Study

HEB FACIES AAPG ACE 2019 ANNUAL CONVENTION & EXHIBITION 19 22 May San Antonio, Texas HEB facies can be recognized on image logs but need core to calibrate initially Mm(H5) Mcs/H3U Slca/H3L- SLC/H1- . The brighter (more resistive) the image log, the more carbonate within the facies • At least 4 facies can be distinquished in this image Packstone (Ps/SLC/SLcl) Calcareous argillaceous siltstone (SLca) Calcareous silty mudstone (Mcs) Mudstone (Mm) DEBRITE FACIES Mcs/H3U Mm(H5)/Mmx. Paraconglomerate (Pc) Wackestone (Ws) Bioturbated mudstone (Mmx/Mdx Resistive o Pad 1 90° Image Log 180° Bone Spring Fm. sands and silts devon Conductive 270° 0° 1 M.Depth (ft) Mmx Mcs Mmx Mcs XX476 Mm Mcs SLca Sle Mcs Mm Mcs Mmx SLca XX477 Mcs Mcs MSLC Mcs SLca Core image

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