{"release_id":"seed-2026-09-15","data_as_of":"2026-09-15","entity_type":"field","source_code":"SLN","slug":"sleen-sln","name":"Sleen","mineral":"Gas","source_status":"U","source_status_description":"Production ceased","operator":"Nederlandse Aardolie Maatschappij B.V.","discovery_well":"SLN-02","discovery_year":"1965","production_start":"1981-04-01","land_sea":"Land","geometry":{"type":"Polygon","coordinates":[[[6.86341986,52.80197408],[6.8623549,52.80288853],[6.86159167,52.8034672],[6.86051706,52.80409714],[6.86208187,52.80407779],[6.86372492,52.80405745],[6.86157889,52.8054122],[6.8593529,52.80672045],[6.8563411,52.80794349],[6.85433366,52.8087746],[6.85216967,52.80960761],[6.84976607,52.81030121],[6.84578784,52.81072943],[6.84258577,52.81095829],[6.83961213,52.81099455],[6.83717842,52.810787],[6.83325165,52.81040778],[6.82924671,52.81002937],[6.82594452,52.80959491],[6.82445495,52.80928263],[6.82294918,52.80896694],[6.81963474,52.80815298],[6.81647226,52.80719481],[6.81480432,52.80645583],[6.81264226,52.8049638],[6.81096368,52.80389285],[6.80928057,52.80267964],[6.80788302,52.80302834],[6.80608965,52.80323945],[6.80684437,52.80237663],[6.80728767,52.80156497],[6.80893835,52.80178247],[6.81453689,52.79825282],[6.8153866,52.7979106],[6.81686371,52.79760829],[6.81857393,52.79725571],[6.82098973,52.79694208],[6.82409711,52.79624056],[6.82658325,52.79568879],[6.82883777,52.79523463],[6.83043079,52.7950582],[6.83172275,52.79491509],[6.83406636,52.7947918],[6.836726,52.79475948],[6.83900081,52.79492154],[6.84237234,52.79511759],[6.84598019,52.79535811],[6.84998236,52.79568854],[6.85344017,52.79612041],[6.85627064,52.79651248],[6.85863498,52.7970051],[6.86068806,52.79754896],[6.86242985,52.79814408],[6.86433136,52.79883206],[6.86505785,52.79948715],[6.86539318,52.80014709],[6.86527194,52.80119216],[6.86448959,52.80120186],[6.86341986,52.80197408]]]},"bbox":[6.80608965,52.79475948,6.86539318,52.81099455],"facilities":[{"code":"SLN","slug":"sleen-sln","name":"Sleen","borehole_count":4}],"borehole_records":[{"code":"SLN-04","slug":"sleen-04-sln-04","name":"SLEEN-04","kind":"Borehole","source_status":"Suspended"},{"code":"SLN-05","slug":"sleen-05-sln-05","name":"SLEEN-05","kind":"Borehole","source_status":"Suspended"},{"code":"SLN-06","slug":"sleen-06-sln-06","name":"SLEEN-06","kind":"Borehole","source_status":"Suspended"},{"code":"SLN-07","slug":"sleen-07-sln-07","name":"SLEEN-07","kind":"Borehole","source_status":"Suspended"}],"unit_note":"borehole_records zijn bronrecords, geen fysieke putten","sources":[{"name":"NLOG","url":"https://www.nlog.nl/nlog-mapviewer/field/SLN"}]}