TY - RPRT TI - Spatial distribution of API gravity and gas/oil ratios for petroleum accumulations in Upper Cretaceous strata of the San Miguel, Olmos, and Escondido Formations of the south Texas Maverick Basin—Implications for petroleum migration and charge history AU - Colin A. Doolan AU - William H. Craddock AU - Marc L. Buursink AU - Javin J. Hatcherian AU - Steven M. Cahan PY - 2024 DO - 10.3133/sir20235124 UR - https://pubs.usgs.gov/publication/sir20235124 ID - sir20235124 ER -