Latitude / longitude (WGS84)38.765409 / -122.704247Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Public well atlas
Explore documented wells and boreholes. Search source identifiers, inspect coordinates and compare available records.
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Category counts cover the reviewed snapshots. Search and other filters apply to the results below. Changing category keeps the other filters and clears an incompatible source filter.
Current scope · Geothermal
- Matching records
- 794
- Distinct source well IDs
- 794
- Source catalogues
- 2
Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.
Boreholes and sidetracks may share a well ID. Counts describe these source snapshots, not market size. Catalogue labels describe the source, not territorial boundaries. Permitted locations may not have been drilled.
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Active filters
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Opening the map connects to OpenStreetMap. Pins use WGS84 coordinates; accuracy varies by source. Zoom into clusters, then select a pin. Coincident records open a filtered list.
Select 2–3 records on this page to compare.
Latitude / longitude (WGS84)38.767576 / -122.699339Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.767566 / -122.699425Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.764776 / -122.710755Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.778185 / -122.764119Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.778212 / -122.764190Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.780502 / -122.762158Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.158522 / -115.637135Operator in source snapshot: CalEnergy Operating CorporationRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.786801 / -122.711268Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.790625 / -122.711379Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.778833 / -122.723590Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.863003 / -122.815142Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.842171 / -122.802000Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)51.871738 / 4.159141Operator in source snapshot: GeoMEC-4P Realisatie & Exploitatie B.V.Recorded spud date: 2023-04-26
Latitude / longitude (WGS84)51.871765 / 4.159170Operator in source snapshot: Aardwarmte VierpoldersRecorded spud date: 2015-08-18
Latitude / longitude (WGS84)38.793749 / -122.823182Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.245142 / -119.205761Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.783035 / -122.764159Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.791205 / -122.756262Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.791132 / -122.756405Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.791097 / -122.756477Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.784933 / -122.753953Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.784871 / -122.753848Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.784984 / -122.754044Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.788854 / -122.751581Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.788939 / -122.751746Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.788979 / -122.751794Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.788939 / -122.751882Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.774315 / -122.729967Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.783093 / -122.764282Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.783125 / -122.764347Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.782943 / -122.763971Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.782909 / -122.763915Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.784133 / -122.743621Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.784189 / -122.743680Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.804034 / -122.793436Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.821578 / -122.833184Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.819332 / -122.818776Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.819433 / -122.818893Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.819534 / -122.819014Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
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Explore measurements and research
These linked source collections have their own coverage and units. They are not automatically joined to the atlas selection.
Dataset library
Each dataset retains its source, access date, row count and reuse conditions. Filtered NDJSON is available for algorithm development.
Geothermal
CalGEM — California public geothermal wells
2,895 · Records in this category
Source accessed:
Reuse terms: review-source-terms
California Department of Conservation, Geologic Energy Management Division (CalGEM). Normalized by Wellficent.
TNO / NLOG — Netherlands boreholes
147 · Records in this category
5,758 · Records in snapshot
Source accessed:
Reuse terms: review-source-terms
Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.
Sources and methodology
Public administrative records are normalized with stable source identifiers. Original operators, drilling contractors and reported owners remain separate roles. Dates describe source access or reported events; they do not establish live activity. Coordinates are transformed to WGS84 where needed. Confidential records and personal owner fields are excluded. See each source for coverage, attribution and reuse terms.
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Field tests and exploration drilling.
U.S. Department of Energy
Beyond the wellhead, context.
A source-linked view of global energy, wells and resources in seven languages.