Latitude / longitude (WGS84)38.693724 / -122.736911Operator 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)38.681778 / -122.689861Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.676174 / -122.739755Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.680001 / -122.720095Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.702579 / -122.702006Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.688827 / -122.668942Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.696947 / -122.538931Operator in source snapshot: Not reported / not verifiedRecorded 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
GeothermalTemperature gradient
Big Canyon Test 1
03390235 · CalGEM — California public geothermal wells
Latitude / longitude (WGS84)38.765661 / -122.560478Operator 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)38.710011 / -122.562225Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.866901 / -120.401046Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.774900 / -120.536050Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.905633 / -122.772597Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.831777 / -115.518978Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.991036 / -122.672173Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.959144 / -115.336815Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.959144 / -115.333815Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.954444 / -115.338815Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.708224 / -122.639106Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.862111 / -122.675493Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.862109 / -122.675028Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.246090 / -119.230841Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.816668 / -122.894813Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)38.812327 / -122.875601Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.004820 / -122.663610Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)39.001870 / -122.666380Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.016117 / -115.552162Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.147913 / -115.557102Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.168766 / -115.559681Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.015276 / -115.545077Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.004880 / -115.517231Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.008537 / -115.543768Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)32.994957 / -115.538257Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.001934 / -115.534269Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.003754 / -115.524475Operator in source snapshot: Not reported / not verifiedRecorded spud date: Not reported / not verified
Latitude / longitude (WGS84)33.011436 / -115.522788Operator 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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A source-linked view of wells, energy and markets in seven languages.