GROLLOO-01
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
- 1339
- Borehole / source record ID
- GRL-01
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- Nederlandse Aardolie Maatschappij B.V.
- Recorded spud date
- 1980-02-19
- Recorded completion date
- 1980-07-07
- Latitude / longitude (WGS84)
- 52.938263 / 6.698118
- Source-reported measurements
- 4652.01 m MD · Rotary Table
- Status reported by source
- Closed-In
- Source accessed
- 2026-10-02
- Source snapshot date
- Not reported / not verified
- Original coordinate reference system
- EPSG:23031 (ED50 / UTM zone 31N)
- Drilling facility reported by source
- T-27
Company roles reported by source
- Original operatorNederlandse Aardolie Maatschappij B.V.
- Reported ownerVermilion Energy Netherlands B.V.
- Drilling contractorKCA Deutag Drilling Ltd
| Source-reported measurements | Value | Reference |
|---|---|---|
| END_DEPTH_MAH | 4,652.01 m | Rotary Table |
| END_DEPTH_MTVD | 4,644.05 m | Rotary Table |
TNO / NLOG — Netherlands boreholes ↗
Source accessed:
Reuse terms: review-source-terms
Source terms and attribution ↗Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data 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 |
|---|---|---|---|
| SCHOONLO-02 | 4.31 km | 833 m | TNO / NLOG — Netherlands boreholes |
| SCHOONLO-01 | 4.45 km | 641 m | TNO / NLOG — Netherlands boreholes |
| SCHOONLO-03 | 4.77 km | 718 m | TNO / NLOG — Netherlands boreholes |
| ELEVELD-101 | 8.38 km | 3,550 m | TNO / NLOG — Netherlands boreholes |
| ELEVELD-102 | 8.41 km | 3,807 m | TNO / NLOG — Netherlands boreholes |
| BUINEN-01 | 10.20 km | 4,489 m | TNO / NLOG — Netherlands boreholes |
| ANNEN-ANLOO-01 | 10.44 km | 3,817 m | TNO / NLOG — Netherlands boreholes |
| VRIES-03 | 10.63 km | 1,512 m | TNO / NLOG — Netherlands boreholes |
| VRIES-03-SIDETRACK1 | 10.63 km | 1,889 m | TNO / NLOG — Netherlands boreholes |
| VRIES-03-SIDETRACK2 | 10.63 km | 1,894 m | TNO / NLOG — Netherlands boreholes |
| VRIES-03-SIDETRACK3 | 10.63 km | 3,450 m | TNO / NLOG — Netherlands boreholes |
| WITTEN-05 | 11.38 km | 3,830 m | TNO / NLOG — Netherlands boreholes |
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-P059173 | 0.11 km | 69.00 mW/m2 | {"qualityScores":["Ux.M4.------r"]} |
| R24-P059172 | 8.32 km | 66.00 mW/m2 | {"qualityScores":["Ux.M4.------r"]} |
| R24-P059174 | 10.27 km | 70.00 mW/m2 | {"qualityScores":["Ux.M4.------r"]} |
| R24-P059163 | 10.52 km | 105.00 mW/m2 | {"qualityScores":["Ux.M4.------r"]} |
| R24-P059177 | 11.82 km | 77.00 mW/m2 | {"qualityScores":["Ux.M4.------r"]} |
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.