Heat Hole 4
Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.
- Name / source ID
- 03390227
- Borehole / source record ID
- 03390227
- Sector
- Geothermal
- Derived purpose group
- Temperature gradient
- Operator in source snapshot
- Not reported / not verified
- Recorded spud date
- Not reported / not verified
- Recorded completion date
- Not reported / not verified
- Latitude / longitude (WGS84)
- 38.698243 / -122.597057
- Source-reported measurements
- Not reported / not verified
- Status reported by source
- P
- Source accessed
- 2026-10-02
- Source snapshot date
- Not reported / not verified
- Original coordinate reference system
- EPSG:3310 (NAD83 / California Albers)
| Source-reported measurements | Value | Reference |
|---|
CalGEM — California public geothermal wells ↗
Source accessed:
Reuse terms: review-source-terms
Source terms and attribution ↗California Department of Conservation, Geologic Energy Management Division (CalGEM). Normalized by Wellficent.
Nearby wells and heat flow
These tools are descriptive: not forecasts, reserve estimates or investment advice. Source coverage is partial; unknown does not mean zero.
| Name | Distance | Source-reported measurements | Source catalogues |
|---|---|---|---|
| L 1 | 1.81 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| Heat Hole 3 | 2.02 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| Heat Hole 6 | 2.97 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| 620 31 | 3.00 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| BJ 1 | 3.29 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| 620 32 | 3.30 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| 620 63 | 3.33 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| 71 30 | 3.44 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| Bounsall 1 | 3.81 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| SEG 8 | 3.89 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| T 8 | 3.94 km | Not reported / not verified m | CalGEM — California public geothermal wells |
| T 6 | 3.98 km | Not reported / not verified m | CalGEM — California public geothermal wells |
Subsurface temperature and heat flow
Compare bottom-hole temperatures with depth and see measured heat flow near wells: context for geothermal reuse.
| Name | Distance | Subsurface temperature and heat flow | Quality flags |
|---|---|---|---|
| R24-P016589 | 1.45 km | 94.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P016592 | 3.14 km | 130.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P016621 | 3.34 km | 142.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P016623 | 3.63 km | 138.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P018357 | 4.06 km | 157.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
IHFC · Global Heat Flow Database, Release 2024 (v. 2026.03) ↗
Source accessed:
Reuse terms: CC-BY-4.0
Source terms and attribution ↗Global Heat Flow Data Assessment Group et al. (2024): The Global Heat Flow Database: Release 2024. V. 2026.03. GFZ Data Services. https://doi.org/10.5880/fidgeo.2024.014 Licensed under CC BY 4.0. Wellficent shows parent-level site values and selected metadata; values are not modified.