{"release_id":"seed-2026-09-15","data_as_of":"2026-09-15","entity_type":"field","source_code":"GRL","slug":"grolloo-grl","name":"Grolloo","mineral":"Gas","source_status":"U","source_status_description":"Production ceased","operator":"Vermilion Energy Netherlands B.V.","discovery_well":"GRL-01","discovery_year":"1980","production_start":"2009-12-04","land_sea":"Land","geometry":{"type":"Polygon","coordinates":[[[6.69880709,52.93098466],[6.70248699,52.93097319],[6.70599231,52.93151225],[6.71098708,52.93388311],[6.71859329,52.9340876],[6.72232105,52.93563454],[6.7220555,52.93633063],[6.72026519,52.93718811],[6.71779964,52.93785089],[6.7162135,52.93913924],[6.71493637,52.93958662],[6.71432475,52.93991108],[6.7128025,52.94015898],[6.71011082,52.94125731],[6.70829216,52.94119074],[6.70677244,52.94152518],[6.70466876,52.94151946],[6.70332366,52.9413032],[6.70113222,52.9415583],[6.69832812,52.94210887],[6.69581243,52.94271399],[6.69386157,52.94302409],[6.69260085,52.94243135],[6.69183272,52.94232419],[6.69030423,52.94236971],[6.68805112,52.94216316],[6.68590905,52.9424752],[6.68410579,52.94292795],[6.68110081,52.9431626],[6.67919335,52.94332759],[6.67690181,52.94343893],[6.67637694,52.94347346],[6.67524775,52.94409209],[6.67419968,52.94421888],[6.67218551,52.94400946],[6.67114591,52.94442493],[6.66923242,52.94438766],[6.66797538,52.94391014],[6.66740269,52.94394514],[6.66711001,52.94374611],[6.66714428,52.94328366],[6.66728174,52.94308003],[6.67569023,52.93963977],[6.67815056,52.93877575],[6.68699343,52.93553216],[6.69365602,52.93294708],[6.69880709,52.93098466]]]},"bbox":[6.66711001,52.93097319,6.72232105,52.94442493],"facilities":[{"code":"GRL","slug":"grolloo-grl","name":"Grolloo","borehole_count":1}],"borehole_records":[{"code":"GRL-01","slug":"grolloo-01-grl-01","name":"GROLLOO-01","kind":"Borehole","source_status":"Closed-In"}],"unit_note":"borehole_records zijn bronrecords, geen fysieke putten","sources":[{"name":"NLOG","url":"https://www.nlog.nl/nlog-mapviewer/field/GRL"}]}