Latitude / longitude (WGS84)39.720522 / -120.353327Operator 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.
- Matching records
- 2,895
- Distinct source well IDs
- 2,895
- Source catalogues
- 1
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.
From records to measurements →
Research field production, groundwater levels, formations and well tests together.
Sources, rights and method ↗Explore the map ↗
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)39.756025 / -120.247699Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)41.672767 / -120.216266Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.744620 / -120.352858Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.682903 / -120.320371Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.706036 / -120.315992Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.583466 / -120.359954Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.723831 / -120.323234Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.704583 / -120.308941Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.741471 / -120.285483Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.752959 / -120.315639Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.746895 / -122.638145Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.747062 / -122.656398Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.744879 / -122.684299Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.337737 / -116.017835Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.264241 / -115.976834Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.263141 / -115.959834Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.287639 / -115.959834Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.286439 / -115.936833Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.266941 / -115.994835Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.266941 / -115.994835Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.279040 / -116.011835Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.733921 / -122.669702Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.734189 / -122.646216Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.710702 / -122.640026Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.709323 / -122.660959Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.701272 / -122.642271Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.915541 / -116.432523Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.585298 / -122.573823Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.789608 / -122.688115Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.970610 / -117.032860Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)35.621734 / -120.668632Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)40.410178 / -120.654976Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)40.431683 / -121.350756Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)34.083947 / -117.277492Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.797717 / -122.838174Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)40.281970 / -120.162540Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)40.322556 / -120.398073Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.773739 / -122.816597Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.766540 / -122.820904Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Download filtered data
Dataset library
Each dataset retains its source, access date, row count and reuse conditions. Filtered NDJSON is available for algorithm development.
CalGEM — California public geothermal wells
2,895 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
California Department of Conservation, Geologic Energy Management Division (CalGEM). Normalized by Wellficent.
BC Energy Regulator — Public well surface holes
28,928 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
Contains information licenced under the BC Energy Regulator Open Data Licence. Normalized by Wellficent.
Index of Oil and Gas Wells in Israel
609 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
UFZ — Jordan Water Wells
6,729 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
TNO / NLOG — Netherlands boreholes
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.
NZ Petroleum & Minerals — Public petroleum wells
1,210 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
© Crown Copyright, New Zealand Petroleum & Minerals. Public well data reproduced with permission; normalized by Wellficent.
Norwegian Offshore Directorate — Wellbores
9,781 Records in snapshot
Source accessed:
Reuse terms: review-source-terms
Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. Normalized by Wellficent.
NSTA — UK offshore wellbore top holes
13,383 Records in snapshot
Source accessed:
Reuse terms: unconfirmed
Contains information provided by the North Sea Transition Authority and/or other third parties.
NSTA — England onshore wellbore top holes
2,138 Records in snapshot
Source accessed:
Reuse terms: nsta-user-agreement-2023-noncommercial
Contains information provided by the North Sea Transition Authority and/or other third parties.
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.
NSTA data remains subject to source terms. The onshore agreement permits non-commercial use; the offshore layer has no item-level licence specified. Review each source before commercial use or redistribution.
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Beyond the wellhead, context.
A source-linked view of wells, energy and markets in seven languages.