{"name":"Calvert Exploration Company Drilling Activity in Eddy County, North Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/calvert-exploration-company/northdakota/eddy-nd","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":"Eddy","totalWells":2,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1953-10-18","lastPermitDate":"1954-12-11"}