16/17-C4

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: 16/17-C4
Borehole / source record ID: 16/17-C4
Sector: Oil and gas
Derived purpose group: Development
Operator in source snapshot: CNR INTERNATIONAL (U.K.) LIMITED
Recorded spud date: 1997-01-29
Recorded completion date: 1997-04-22
Latitude / longitude (WGS84): 58.373946 / 1.308778
Source-reported measurements: 4572 m MD · Kelly Bushing
Status reported by source: Constructed
Source accessed: 2026-10-02
Source snapshot date: Not reported / not verified
Original coordinate reference system: EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary
Total depth reached date: 1997-03-18
Source completion status: Completed (Operating)
Source wellbore status: EXTANT
Source well-origin status: Present
Target field: THELMA
Flow class: Oil Well
Source fluid types: Oil
Licence number: P225
Total-depth licence number: P225

Company roles reported by source

Responsible wellbore operatorCNR INTERNATIONAL (U.K.) LIMITED
Licence operator at well originCNR INTERNATIONAL (U.K.) LIMITED
Licence operator at total depthCNR INTERNATIONAL (U.K.) LIMITED

Source-reported measurements
Source-reported measurements	Value	Reference
TDMDDEPM	4,572.00 m	Kelly Bushing
TDTVDSSM	4,061.26 m	subsea
WATDEP_M	129.54 m	Not reported / not verified

NSTA — UK offshore wellbore top holes ↗

Source accessed: 2026-10-02

Reuse terms: unconfirmed

Contains information provided by the North Sea Transition Authority and/or other third parties.

ArcGIS item metadata does not specify a reuse licence; public access alone is not a licence.

Open source record ↗

JSON ↗Explore measurements →Data API · Measurements ↗Data API ↗

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.

Nearby wells and heat flow
Name	Distance	Source-reported measurements	Source catalogues
16/17-C5J	0.01 km	3,238 m	NSTA — UK offshore wellbore top holes
16/17-C5Y	0.01 km	5,172 m	NSTA — UK offshore wellbore top holes
16/17-C5Z	0.01 km	4,845 m	NSTA — UK offshore wellbore top holes
16/17-C7	0.01 km	3,988 m	NSTA — UK offshore wellbore top holes
16/17-C7X	0.01 km	4,993 m	NSTA — UK offshore wellbore top holes
16/17-C7Y	0.01 km	4,226 m	NSTA — UK offshore wellbore top holes
16/17-C7Z	0.01 km	2,134 m	NSTA — UK offshore wellbore top holes
16/17a-C5	0.01 km	4,503 m	NSTA — UK offshore wellbore top holes
16/17-C3	0.01 km	4,136 m	NSTA — UK offshore wellbore top holes
16/17-C3Z	0.01 km	4,650 m	NSTA — UK offshore wellbore top holes
16/17-C6	0.01 km	4,174 m	NSTA — UK offshore wellbore top holes
16/17-C8	0.01 km	4,033 m	NSTA — UK offshore wellbore top holes

Subsurface temperature and heat flow

Compare bottom-hole temperatures with depth and see measured heat flow near wells: context for geothermal reuse.

Subsurface temperature and heat flow
Name	Distance	Subsurface temperature and heat flow	Quality flags
R24-P003214	54.97 km	50.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003228	71.80 km	54.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003220	74.18 km	53.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003221	74.53 km	74.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003218	75.96 km	59.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}

IHFC · Global Heat Flow Database, Release 2024 (v. 2026.03) ↗

Source accessed: 2026-10-04T21:47:13.346812+00:00

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.