30/4-1
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
- 30/4-1
- Borehole / source record ID
- 377
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- BP Norway Limited U.A.
- Recorded spud date
- 1978-11-01
- Recorded completion date
- 1979-05-14
- Latitude / longitude (WGS84)
- 60.621938 / 2.157885
- Source-reported measurements
- 5454 m MD · RKB
- Status reported by source
- P&A
- Source accessed
- 2026-10-02
- Source snapshot date
- Not reported / not verified
- Original coordinate reference system
- ED50 / service geometry EPSG:4326
- Drilling facility reported by source
- SEDCO 707
Company roles reported by source
- Drilling operatorBP Norway Limited U.A.Open source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 5,454.00 m | RKB |
| wlbFinalVerticalDepth | 5,448.00 m | RKB |
| wlbWaterDepth | 120.50 m | Not reported / not verified |
| wlbBottomHoleTemperature | 161.00 °C | Not reported / not verified |
Norwegian Offshore Directorate — Wellbores ↗
Source accessed:
Reuse terms: review-source-terms
Source terms and attribution ↗Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. 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 |
|---|---|---|---|
| 30/4-4 | 10.07 km | 2,175 m | Norwegian Offshore Directorate — Wellbores |
| 29/6-1 | 13.17 km | 4,832 m | Norwegian Offshore Directorate — Wellbores |
| 30/4-2 | 13.27 km | 4,775 m | Norwegian Offshore Directorate — Wellbores |
| 3/15- 12 | 13.65 km | 4,141 m | NSTA — UK offshore wellbore top holes |
| 30/4-D-1 H | 14.35 km | 4,128 m | Norwegian Offshore Directorate — Wellbores |
| 30/4-D-1 AH | 14.35 km | 4,500 m | Norwegian Offshore Directorate — Wellbores |
| 30/4-U-2 | 14.41 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 3/15a- 15 | 14.88 km | 4,159 m | NSTA — UK offshore wellbore top holes |
| 3/15- 6 | 14.92 km | 3,858 m | NSTA — UK offshore wellbore top holes |
| 30/4-U-1 | 14.99 km | 1,225 m | Norwegian Offshore Directorate — Wellbores |
| 30/4-A-1 | 15.15 km | 3,518 m | Norwegian Offshore Directorate — Wellbores |
| 30/4-A-8 | 15.15 km | 4,703 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 5454
- True vertical depth (RKB)
- 5448
- Water depth
- 120.5
- Bottom-hole temperature
- 161
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 145 / 922 |
| FORMATION | UTSIRA FM | 560 / 902 |
| FORMATION | UNDIFFERENTIATED | 902 / 1,050 |
| GROUP | HORDALAND GP | 922 / 1,919 |
| FORMATION | SKADE FM | 1,050 / 1,114 |
| FORMATION | NO FORMAL NAME | 1,114 / 1,648 |
| FORMATION | GRID FM | 1,648 / 1,700 |
| FORMATION | NO FORMAL NAME | 1,700 / 1,919 |
| GROUP | ROGALAND GP | 1,919 / 2,262 |
| FORMATION | BALDER FM | 1,919 / 1,969 |
| FORMATION | SELE FM | 1,969 / 2,000 |
| FORMATION | LISTA FM | 2,000 / 2,262 |
| GROUP | SHETLAND GP | 2,262 / 3,926 |
| FORMATION | JORSALFARE FM | 2,262 / 3,065 |
| FORMATION | KYRRE FM | 3,065 / 3,520 |
| FORMATION | TRYGGVASON FM | 3,520 / 3,761 |
| FORMATION | BLODØKS FM | 3,761 / 3,770 |
| FORMATION | SVARTE FM | 3,770 / 3,926 |
| GROUP | CROMER KNOLL GP | 3,926 / 4,387 |
| FORMATION | RØDBY FM | 3,926 / 3,960 |
| FORMATION | SOLA FM | 3,960 / 4,030 |
| FORMATION | ÅSGARD FM | 4,030 / 4,387 |
| GROUP | VIKING GP | 4,387 / 5,182 |
| FORMATION | DRAUPNE FM | 4,387 / 4,485 |
| FORMATION | HEATHER FM | 4,485 / 5,182 |
| GROUP | BRENT GP | 5,182 / 5,400 |
| FORMATION | TARBERT FM | 5,182 / 5,211 |
| FORMATION | NESS FM | 5,211 / 5,320 |
| FORMATION | ETIVE FM | 5,320 / 5,340 |
| FORMATION | RANNOCH FM | 5,340 / 5,359 |
| FORMATION | OSEBERG FM | 5,359 / 5,400 |
| GROUP | DUNLIN GP | 5,400 / 5,454 |
| FORMATION | DRAKE FM | 5,400 / 5,454 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 177 | 1.05 | observation-date-unreported, zero-meaning-unresolved |
| 666 | 1.08 | observation-date-unreported, zero-meaning-unresolved |
| 1058 | 1.09 | observation-date-unreported, zero-meaning-unresolved |
| 2100 | 1.26 | observation-date-unreported, zero-meaning-unresolved |
| 2345 | 1.26 | observation-date-unreported, zero-meaning-unresolved |
| 2862 | 1.53 | observation-date-unreported, zero-meaning-unresolved |
| 3583 | 1.7 | observation-date-unreported, zero-meaning-unresolved |
| 4072 | 1.79 | observation-date-unreported, zero-meaning-unresolved |
| 4819 | 1.98 | observation-date-unreported, zero-meaning-unresolved |
| 5454 | 2.07 | observation-date-unreported, zero-meaning-unresolved |
Group tops in offset wells
Group tops below each borehole's own RKB. Not TVD below sea level; deviation and kelly-bushing elevations affect apparent depths.
| Group | 30/4-1 | 30/4-4 | 29/6-1 | 30/4-2 |
|---|---|---|---|---|
| NORDLAND GP | 144.8 | 169 | 149 | 147 |
| HORDALAND GP | 922 | 988 | 890 | 975 |
| ROGALAND GP | 1919.4 | 1942 | 1881 | 1959 |
| SHETLAND GP | 2262 | — | 2348 | 2313 |
| VIKING GP | 4387 | — | 3807.2 | 3705 |
| BRENT GP | 5181.75 | — | 4204.5 | 3779.5 |
| CROMER KNOLL GP | 3926 | — | — | — |
| DUNLIN GP | 5400 | — | 4499.5 | 4061 |
| STATFJORD GP | — | — | 4729 | 4337 |
| HEGRE GP | — | — | 4785.5 | 4670 |
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-P060200 | 160.30 km | 60.30 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P055259 | 173.88 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 181.92 km | 44.00 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.