Wolfcamp Upper A Fan Study

AAPG ACE2019 ANNUAL CONVENTION & EXHIBITION 19 22 May. San Antonio, Texas Zonation of Wolfcamp fan and paleotopography Percentage of Wolfcamp upper A interval with gamma-ray log less than 55 API units A B C Gamma-Ray API <55 55-80 >80 Wolfcamp Middle A Subsea TVD --6500.00 Lateral Fringe Off-Axis Axis Core B B' Off-Axis Lateral Fringe --6750.00 Core A --7000.00 --7250.00 -7500.00 Frontal Fringe -7750.00 -8000.00 B Distal Fringe Core C -8250.00 -8500.00 -8750.00 .-9000.00 .LEA CO LOVING WINKLER CO -9250.00 -9500.00 -9750.00 10 miles 16 km 0.90 0.80 0.70- 0.60- 0.50 0.40- 0.30- 0.20- 0.10 0.00- NM TX 3-D Petrel model derived from gamma-ray logs Over 100 well logs used to generate map From Kvale et al., in press, AAPG Bull. Net-to-gross map showing percentage of gamma-ray log interval of less than 55 API devon

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