Ohio ODNR DOGRM. Marcellus + Utica operator side — Eclipse, Encino, Ascent, EAP heavy. - searchWells (~242K) ⭐ filter county/operator/status/wellType (V/H/D/O)/uticaOnly/marcellusOnly/orphanOnly - searchHorizontalWells ⭐ Utica/Marcellus laterals; asLines=true returns ~4.3K polylines - getWellByApi, searchWellPads, searchDrillingUnits, searchOilGasFields (~3K), getServiceInfo upstream quirks: WL_CNTY UPPERCASE on wells; County Title Case on pads. SLANT V/H/D/O. WL_STATUS_DESC is descriptive text. Utica_Shale/Marcellus_Shale 0/1. maxRecordCount=1000.
7 methodsFreshness not declaredWVGES subsurface geology for Marcellus + Utica. Native atlas2.wvgs.wvnet.edu — 14 folders. 4 layers via 5 methods. - searchFormationTops (~478 control wells) ⭐ MD/SS/THK for HURN/JAVA/ANGL/RNSR/MDLX/WRVR/GBRK/TLLY/MNNG/OKCA/B/CHVL/USPG/TRSZ/ONDG/HMLN/MRCL - searchMarcellusWells (~5.5K) production history (cumulativeGas, recentGas[5yr]) - searchOilGasGeology (~1.2K WVOG fields by play — Mgn/Mbi/Dvs/MDe/Pps/Dbs/Des, Field_Type Gas/Oil/Storage/CBM) - searchGeologicMaps (10 polygons Cambrian→Permian), getServiceInfo upstream quirks: MarcellusPlusGeology/1 does NOT support pagination — handler uses returnIdsOnly + objectIds chunking. WVOG_Fields columns truncated. Sentinel -99999 mapped to null.
5 methodsFreshness not declared
Knowledge
Know your data sources.
The public data contract for every source PatchOps exposes over MCP: provenance, freshness, coverage, caveats, and per-method schemas. Also available as JSON at /api/knowledge/data-sources.
tag: utica