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15/12-5 · Record details

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Norwegian Offshore Directorate — Wellbores · 113

Name / source ID
15/12-5
Borehole / source record ID
113
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
Den norske stats oljeselskap a.s
Recorded spud date
1986-03-12
Recorded completion date
1986-05-04
Basin in source
VARG
Area in source
NORTH SEA
Latitude / longitude (WGS84)
58.0808648 / 1.9131782
Status reported by source
P&A
Source-reported measurements
3150 m MD · RKB
Source snapshot date
Not reported / not verified
Source accessed
2026-10-02
Original coordinate reference system
ED50 / service geometry EPSG:4326
Source record updated
2026-02-20
Purpose / source classification
APPRAISAL
Operator code
Not reported / not verified
Position accuracy
NOD general disclaimer: approximately ±0–300 m unless otherwise stated; not for navigation.
Status effective date in source
Not reported / not verified
Well authorization date
Not reported / not verified
Drilling facility reported by source
ROSS ISLE

Company roles reported by source

Source-reported measurements

wlbTotalDepth
3150 m · RKB
wlbFinalVerticalDepth
3149 m · RKB
wlbWaterDepth
84 m
wlbBottomHoleTemperature
135 °C
Open source record ↗JSON ↗Explore the map ↗

Linked measurements and field data

Field and discovery production is shared context for linked wells; it is not this well’s production. Links use official identifiers; historical validity dates are unreported.

Explore measurements →JSON ↗
WELL INTELLIGENCE / OPEN-DATA ANALYSIS

Record-level intelligence

These tools are descriptive: not forecasts, reserve estimates or investment advice. Source coverage is partial; unknown does not mean zero.

Digital well log

SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.

Total depth
3,150 m MD RKB
True vertical depth (RKB)
3,149 m
Water depth
84 m
Bottom-hole temperature
135 °C
Digital well log · 15/12-58 Group · 15 Formation · 31 Mud samples · 1 Well tests m MDGroupFormationMud density (g/cm³)Well tests 05001,0001,5002,0002,5003,0003,500 1.01.21.41.6 NORDLAND GP · 105.5 – 1,247.0 m MD RKBNORDLAND GPHORDALAND GP · 1,247.0 – 2,276.0 m MD RKBHORDALAND GPROGALAND GP · 2,276.0 – 2,439.0 m MD RKBROGALAND GPSHETLAND GP · 2,439.0 – 2,792.0 m MD RKBSHETLAND GPCROMER KNOLL GP · 2,792.0 – 2,841.0 m MD RKBVIKING GP · 2,841.0 – 2,918.0 m MD RKBVIKING GPVESTLAND GP · 2,918.0 – 3,077.0 m MD RKBVESTLAND GPHEGRE GP · 3,077.0 – 3,150.0 m MD RKBUTSIRA FM · 1,024.0 – 2,276.0 m MD RKBUTSIRA FMBALDER FM · 2,276.0 – 2,291.0 m MD RKBSELE FM · 2,291.0 – 2,325.0 m MD RKBLISTA FM · 2,325.0 – 2,418.0 m MD RKBLISTA FMMAUREEN FM · 2,418.0 – 2,439.0 m MD RKBEKOFISK FM · 2,439.0 – 2,457.0 m MD RKBTOR FM · 2,457.0 – 2,615.0 m MD RKBTOR FMHOD FM · 2,615.0 – 2,740.0 m MD RKBHOD FMBLODØKS FM · 2,740.0 – 2,792.0 m MD RKBRØDBY FM · 2,792.0 – 2,827.0 m MD RKBSOLA FM · 2,827.0 – 2,841.0 m MD RKBDRAUPNE FM · 2,841.0 – 2,888.0 m MD RKBHEATHER FM · 2,888.0 – 2,918.0 m MD RKBHUGIN FM · 2,918.0 – 3,077.0 m MD RKBHUGIN FMSKAGERRAK FM · 3,077.0 – 3,150.0 m MD RKB 217.0 m · 1.10 g/cm³ · WATER BASED217.0 m · 1.10 g/cm³ · WATER BASED618.0 m · 1.16 g/cm³ · WATER BASED698.0 m · 1.10 g/cm³ · WATER BASED1,068.0 m · 1.10 g/cm³ · WATER BASED1,337.0 m · 1.11 g/cm³ · WATER BASED1,600.0 m · 1.57 g/cm³ · WATER BASED1,622.0 m · 1.18 g/cm³ · WATER BASED1,622.0 m · 1.22 g/cm³ · WATER BASED1,768.0 m · 1.22 g/cm³ · WATER BASED2,084.0 m · 1.27 g/cm³ · WATER BASED2,223.0 m · 1.27 g/cm³ · WATER BASED2,341.0 m · 1.57 g/cm³ · WATER BASED2,445.0 m · 1.57 g/cm³ · WATER BASED2,445.0 m · 1.57 g/cm³ · WATER BASED2,570.0 m · 1.57 g/cm³ · WATER BASED2,590.0 m · 1.57 g/cm³ · WATER BASED2,687.0 m · 1.57 g/cm³ · WATER BASED2,735.0 m · 1.57 g/cm³ · WATER BASED2,798.0 m · 1.57 g/cm³ · WATER BASED2,840.0 m · 1.57 g/cm³ · WATER BASED2,876.0 m · 1.57 g/cm³ · WATER BASED2,885.0 m · 1.35 g/cm³ · WATER BASED2,889.0 m · 1.57 g/cm³ · WATER BASED2,889.0 m · 1.57 g/cm³ · WATER BASED2,892.0 m · 1.35 g/cm³ · WATER BASED2,918.0 m · 1.35 g/cm³ · WATER BASED2,965.0 m · 1.35 g/cm³ · WATER BASED2,966.0 m · 1.35 g/cm³ · WATER BASED3,150.0 m · 1.35 g/cm³ · WATER BASED3,150.0 m · 1.35 g/cm³ · WATER BASED DST 1 · 2,926.0 – 2,936.0 m MDDST 1 TD 3,150 mBHT 135 °C
Formation tops are SODIR interpretations. Bands run to the next top of the same level or to total depth. Measured depth follows the borehole path; deviated wells have a smaller vertical depth. Water depth is not aligned to the RKB axis. Mud density is a drilling-fluid property at the sampled depth, not formation pressure.
Read log values
LevelNameTop (m MD RKB)Drawn base
GROUPNORDLAND GP105.51,247.0 next top, same level
FORMATIONUTSIRA FM1,024.02,276.0 next top, same level
GROUPHORDALAND GP1,247.02,276.0 next top, same level
GROUPROGALAND GP2,276.02,439.0 next top, same level
FORMATIONBALDER FM2,276.02,291.0 next top, same level
FORMATIONSELE FM2,291.02,325.0 next top, same level
FORMATIONLISTA FM2,325.02,418.0 next top, same level
FORMATIONMAUREEN FM2,418.02,439.0 next top, same level
GROUPSHETLAND GP2,439.02,792.0 next top, same level
FORMATIONEKOFISK FM2,439.02,457.0 next top, same level
FORMATIONTOR FM2,457.02,615.0 next top, same level
FORMATIONHOD FM2,615.02,740.0 next top, same level
FORMATIONBLODØKS FM2,740.02,792.0 next top, same level
GROUPCROMER KNOLL GP2,792.02,841.0 next top, same level
FORMATIONRØDBY FM2,792.02,827.0 next top, same level
FORMATIONSOLA FM2,827.02,841.0 next top, same level
GROUPVIKING GP2,841.02,918.0 next top, same level
FORMATIONDRAUPNE FM2,841.02,888.0 next top, same level
FORMATIONHEATHER FM2,888.02,918.0 next top, same level
GROUPVESTLAND GP2,918.03,077.0 next top, same level
FORMATIONHUGIN FM2,918.03,077.0 next top, same level
GROUPHEGRE GP3,077.03,150.0 Total depth
FORMATIONSKAGERRAK FM3,077.03,150.0 Total depth
Sample depth (m MD)Mud density (g/cm³)Viscosity (mPa·s)Yield point (Pa)Mud typeMeasured
217.01.10Unreported10.0WATER BASED1986-03-17
217.01.106.013.4WATER BASED1986-03-17
618.01.167.017.0WATER BASED1986-03-20
698.01.1052.08.0WATER BASED1986-03-24
1,068.01.1054.08.5WATER BASED1986-04-02
1,337.01.1152.08.1WATER BASED1986-04-02
1,600.01.5720.04.3WATER BASED1986-05-02
1,622.01.1852.09.0WATER BASED1986-04-02
1,622.01.2255.88.5WATER BASED1986-04-02
1,768.01.2260.08.6WATER BASED1986-04-02
2,084.01.2763.08.6WATER BASED1986-04-02
2,223.01.2765.09.1WATER BASED1986-04-02
2,341.01.5760.011.0WATER BASED1986-04-03
2,445.01.5732.010.0WATER BASED1986-04-04
2,445.01.5732.010.0WATER BASED1986-04-07
2,570.01.5731.08.6WATER BASED1986-04-07
2,590.01.5730.08.6WATER BASED1986-04-07
2,687.01.5730.08.6WATER BASED1986-04-09
2,735.01.5733.09.1WATER BASED1986-04-09
2,798.01.5730.08.6WATER BASED1986-04-10
2,840.01.5731.08.6WATER BASED1986-04-11
2,876.01.5730.09.1WATER BASED1986-04-14
2,885.01.3519.06.2WATER BASED1986-04-30
2,889.01.5730.09.1WATER BASED1986-04-14
2,889.01.5728.08.6WATER BASED1986-04-14
2,892.01.3526.07.2WATER BASED1986-04-16
2,918.01.3518.06.2WATER BASED1986-04-17
2,965.01.3517.05.3WATER BASED1986-04-18
2,966.01.3520.06.2WATER BASED1986-04-23
3,150.01.3519.05.3WATER BASED1986-04-23
3,150.01.3519.06.2WATER BASED1986-04-25
TestInterval (m MD)Test oil rateTest gas rateBottom-hole pressureChoke sizeDownhole temperature
DST 12,926.0 – 2,936.0560 Sm3/day46,000 Sm3/day34.0 MPa15.9 mm0 degC zero, meaning unresolved

Test rates are short test flows, not sustained production. Zeros with unresolved meaning stay flagged.

Offset wells

Nearest atlas records to the reported surface location, by great-circle distance. Records from different catalogues are not treated as the same physical well.

Drilling density · within 5 km
57
Drilling density · within 10 km
80
Drilling density · within 25 km
223
Drilling density · within 50 km
1,025
Bearing and distance diagram of nearby records; north is up. 500 m1 km1.5 km N 1 15/12-U-1, 2 15/12-U-2, 3 15/12-U-3, 4 15/12-U-4, 5 15/12-U-5, 6 15/12-U-6, 7 15/12-U-7, 8 15/12-U-8, 9 15/12-U-9 · 893 m1–910 15/12-A-13, 11 15/12-A-8, 12 15/12-A-8 A · 1.48 km10–12
Exploration / appraisalDevelopment / production / injectionOther or unclassifiedNumbers match the table. Records that coincide at this scale share one marker labelled with their table numbers; a thin line joins any moved marker to its true point.

All records: Norwegian Offshore Directorate — Wellbores.

#NameDistanceBearingRecorded spud dateMeasured depth (m)
115/12-U-1893 m283°1994-03-15Unreported
215/12-U-2893 m283°1994-03-15Unreported
315/12-U-3893 m283°1994-03-15Unreported
415/12-U-4893 m283°1994-03-15Unreported
515/12-U-5893 m283°1994-03-15Unreported
615/12-U-6893 m283°1994-03-15Unreported
715/12-U-7893 m283°1994-03-15Unreported
815/12-U-8893 m283°1994-03-15Unreported
915/12-U-9893 m283°1994-03-15Unreported
1015/12-A-131.48 km254°1999-06-224,255
1115/12-A-81.48 km255°1998-05-153,347
1215/12-A-8 A1.48 km255°2008-07-283,514

Open the nearby analysis for this location →

Thermal context

Nearest measured heat-flow sites (IHFC) and the source-reported bottom-hole temperature. Heat flow was not measured in this well; it is regional context.

Bottom-hole temperature
135 °C
Measurement sites within 100 km
12
Median within 100 km
58.5 mW/m²
Measurement siteDistanceHeat flow (mW/m²)Quality codePublication
37186
R24-P003221		31.7 km74.0Ux.Mx.-------Andrews-Speed_etal._1984
36913
R24-P003214		51.1 km50.0Ux.Mx.-------Andrews-Speed_etal._1984
36957
R24-P031366		55.6 km66.5 ± 3.0U1.M3.SXXP-X-Evans_1975
37217
R24-P003225		65.8 km64.0Ux.Mx.-------Andrews-Speed_etal._1984
37064
R24-P003218		67.0 km59.0Ux.Mx.-------Andrews-Speed_etal._1984

Quality codes are verbatim: U1–U4 uncertainty class (U1 best, Ux not computable), M1–M4 methodological class (x suffix: incomplete metadata); trailing letters are perturbation flags.

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.

Subsurface temperature and heat flow →

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.

Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.

Mapped from source purpose; not current activity or a prediction.

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.

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Source terms and attribution ↗

Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. Normalized by Wellficent.

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