{"name":"Calvert Exploration Company Drilling Activity in Mc Intosh County, North Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/calvert-exploration-company/northdakota/mc-intosh","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Calvert Exploration Company","operatorSlug":"calvert-exploration-company","state":"ND","county":"Mc Intosh","totalWells":4,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":4,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1954-07-17","lastPermitDate":"1964-06-26"}