{"name":"Oasis Petroleum North America Drilling Activity in Williams County, North Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/oasis-petroleum-north-america/northdakota/williams","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Oasis Petroleum North America","operatorSlug":"oasis-petroleum-north-america","state":"ND","county":"Williams","totalWells":588,"producingWells":435,"permits24mo":64,"spuds24mo":55,"ducCount":66,"topFormation":"Bakken","rankInCounty":3,"firstPermitDate":"1978-12-20","lastPermitDate":"2026-05-12"}