Well Data Manager / Well Summary / 31/26- 7

31/26- 7

Decommissioned

Well Header

Well No
31/26- 7
NSTA DEN No
3984
Well Name
--
Drill Seq No
7
Quadrant / Block
31 / 26
Surface Location
56.155578, 3.058332
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
HESS LIMITED
Original Operator
--
Sub Area Operator
HESS LIMITED
Licence No
P288
Licence Type
Production
Spud Date
1990-01-29
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

31/26- 7 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
PD
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
71.93
TD MD (m)
3454.908
TD TVDSS (m)
3294.888
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1990-01-29
TD Reached
1990-03-26
Completion Date
1990-04-01
Release Date
1994-04-01

Formation Tops (15)

Wellbore Formation Era MD (m) TVDSS (m) Provider
31/26- 7 Moray Mesozoic 2874.000 2727.406 Lloyds Register
Balder Cenozoic 2874.000 2727.406 Lloyds Register
Sele Mesozoic 2889.000 2741.329 Lloyds Register
Lista Mesozoic 2925.000 2774.754 Lloyds Register
Montrose Mesozoic 2925.000 2774.754 Lloyds Register
Maureen Mesozoic 2960.000 2807.274 Lloyds Register
Ekofisk Mesozoic 2976.000 2822.161 Lloyds Register
Chalk Mesozoic 2976.000 2822.161 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3042.000 2883.779 Lloyds Register
Fulmar Mesozoic 3336.000 3159.364 Lloyds Register
Humber Mesozoic 3336.000 3159.364 Lloyds Register
Smith Bank Mesozoic 3346.000 3168.737 Lloyds Register
Heron Palaeozoic 3346.000 3168.737 Lloyds Register
Turbot Anhydrite Palaeozoic 3448.000 3264.296 Lloyds Register
Zechstein Palaeozoic 3448.000 3264.296 Lloyds Register

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
31/26- 7 6 9 0 12 15 1 3 0 1 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
31/26- 7 Oil shows OS Tor Formation 3041.904 -- 281 m thick
31/26- 7 DST DST 1 -- 3341.8 3345.8 Label / Upper Jurassic

Rock Samples (92)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
31/26- 7 Core #1 3332.38 3336.44 φ 13.5% (n=12) · Kh 1764.5 mD (n=11) · Kv 1020.0 mD (n=1) · Density 2.65 (n=12) · GEOCHEM GROUP LIMITED NPP; ka H>10D | SST LT GY F; SST LT GY F-C QTZ CMT; SST LT GY/BRN C/GRAN-SM PEB; SST LT GY/BRN C/SM PEBS; SST LT GY/BRN F-GRAN; SST LT GY/BRN F-M; SST LT GY/BRN M; SST LT GY/BRN M R QTZ OVGTHS; SST LT GY/BRN M/GRANS in as 31/26A-7
31/26- 7 ↳ Plug 02 3332.683 -- φ 10.7% · Kh 205.0 mD · Density 2.64 · GEOCHEM GROUP LIMITED SST LT GY F-C QTZ CMT --
31/26- 7 ↳ Plug 03 3332.988 -- φ 13.0% · Kh 525.0 mD · Density 2.64 · GEOCHEM GROUP LIMITED SST LT GY F --
31/26- 7 ↳ Plug 04 3333.293 -- φ 14.4% · Kh 1000.0 mD · Density 2.64 · GEOCHEM GROUP LIMITED SST LT GY/BRN M --
31/26- 7 ↳ Plug 05 3333.598 -- φ 15.2% · Kh 2240.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-M --
31/26- 7 ↳ Plug 06 3333.902 -- φ 15.3% · Kh 1570.0 mD · Kv 1020.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M R QTZ OVGTHS --
31/26- 7 ↳ Plug 07 3334.207 -- φ 14.7% · Kh 1640.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M R QTZ OVGTHS --
31/26- 7 ↳ Plug 08 3334.512 -- φ 12.1% · Kh 1890.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST LT GY/BRN M/GRANS --
31/26- 7 ↳ Plug 09 3334.817 -- φ 17.5% · Kh 2290.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M --
31/26- 7 ↳ Plug 10 3335.122 -- φ 13.6% · Density 2.67 · GEOCHEM GROUP LIMITED ka H>10D | SST LT GY/BRN C/SM PEBS --
31/26- 7 ↳ Plug 11 3335.426 -- GEOCHEM GROUP LIMITED NPP --
31/26- 7 ↳ Plug 12 3335.731 -- φ 10.9% · Kh 1390.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST LT GY/BRN C/GRAN-SM PEB --
31/26- 7 ↳ Plug 13 3336.036 -- φ 9.5% · Kh 3080.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST LT GY/BRN C/GRAN-SM PEB --
31/26- 7 ↳ Plug 14 3336.341 -- φ 15.4% · Kh 3580.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-GRAN --
31/26- 7 Core #2 3336.95 3340.36 φ 13.6% (n=10) · Kh 2867.2 mD (n=9) · Kv 1296.7 mD (n=3) · Density 2.65 (n=10) · GEOCHEM GROUP LIMITED NPP; PRESERVED SAMPLE | SST LT GY/BRN F-GRAN; SST LT GY/BRN F-M/R SM PEBS; SST LT GY/BRN F-SM PEB; SST LT GY/BRN F-SM PEBS; SST LT GY/BRN M-C/R GRANS; SST LT GY/BRN M/R SM PEBS; SST LT GY/BRN M/SM PEBS --
31/26- 7 ↳ Plug 15 3336.95 -- φ 13.1% · Kv 2170.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED NPP | SST LT GY/BRN F-SM PEB --
31/26- 7 ↳ Plug 16 3337.255 -- GEOCHEM GROUP LIMITED PRESERVED SAMPLE --
31/26- 7 ↳ Plug 17 3337.56 -- φ 14.4% · Kh 3290.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-GRAN --
31/26- 7 ↳ Plug 18 3337.865 -- φ 12.2% · Kh 1220.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-M/R SM PEBS --
31/26- 7 ↳ Plug 19 3338.17 -- φ 13.0% · Kh 735.0 mD · Density 2.67 · GEOCHEM GROUP LIMITED -- --
31/26- 7 ↳ Plug 20 3338.474 -- φ 9.8% · Kh 1060.0 mD · Kv 570.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M/SM PEBS --
31/26- 7 ↳ Plug 21 3338.779 -- GEOCHEM GROUP LIMITED NPP --
31/26- 7 ↳ Plug 22 3339.084 -- φ 15.9% · Kh 3840.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M/R SM PEBS --
31/26- 7 ↳ Plug 23 3339.389 -- φ 11.3% · Kh 2740.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M/R SM PEBS --
31/26- 7 ↳ Plug 24 3339.694 -- φ 15.3% · Kh 3630.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN M/R SM PEBS --
31/26- 7 ↳ Plug 25 3339.998 -- φ 14.6% · Kh 4490.0 mD · Kv 1150.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-SM PEBS --
31/26- 7 ↳ Plug 26 3340.303 -- φ 16.1% · Kh 4800.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST LT GY/BRN M-C/R GRANS --
31/26- 7 Core #3 3340.91 3360.34 φ 12.1% (n=21) · Kh 93.9 mD (n=17) · Kv 151.0 mD (n=4) · Density 2.69 (n=21) · GEOCHEM GROUP LIMITED FRAC; NPP; PRESERVED SAMPLE; SILTSTONE | MDST DK RD/BRN R SDY LAM; MDST/SST DK RD/BRN VF CALC; SDY MDST DK BRN/RD VF LAM; SDY SLTST LT BRN MIC FNT LAM; SLTST LT GY/GRN FRAC W/CALC; SLTY SST LT BRN VF LAM; SLTY SST LT BRN VF-C CALC; SST DK RD VF CALC SLTY MIC LAM; SST DK RD/BRN VF CALC; SST DK RD/BRN VF R CALC; SST DK RD/BRN VF/R MDST CLSTS; SST GY VF MIC LAM; SST LT GY VF CALC; SST LT GY VF R CALC; SST LT GY/BRN F-M/GRANS; SST LT GY/BRN F/SM-MED PEBS; SST LT GY/BRN M-GRAN; SST LT/DK RD/BRN VF CALC MIC LA; SST/SLTST GY/GRN VF V MIC --
31/26- 7 ↳ Plug 27 3340.913 -- φ 11.1% · Kh 1190.0 mD · Kv 604.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST LT GY/BRN M-GRAN --
31/26- 7 ↳ Plug 28 3341.218 -- φ 9.2% · Kh 344.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F-M/GRANS --
31/26- 7 ↳ Plug 29 3341.522 -- GEOCHEM GROUP LIMITED NPP --
31/26- 7 ↳ Plug 30 3341.827 -- GEOCHEM GROUP LIMITED PRESERVED SAMPLE --
31/26- 7 ↳ Plug 31 3342.132 -- φ 6.6% · Kh 59.0 mD · Density 2.65 · GEOCHEM GROUP LIMITED SST LT GY/BRN F/SM-MED PEBS --
31/26- 7 ↳ Plug 32 3342.437 -- φ 9.4% · Kh 0.2 mD · Kv 0.1 mD · Density 2.68 · GEOCHEM GROUP LIMITED SLTY SST LT BRN VF-C CALC --
31/26- 7 ↳ Plug 33 3342.833 -- φ 12.1% · Kh 0.0 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST LT GY VF CALC --
31/26- 7 ↳ Plug 34 3343.138 -- φ 9.5% · Density 2.70 · GEOCHEM GROUP LIMITED FRAC | SLTST LT GY/GRN FRAC W/CALC --
31/26- 7 ↳ Plug 35 3343.351 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 36 3343.656 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 37 3343.961 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 38 3344.266 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 39 3344.57 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 40 3344.875 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 41 3345.18 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 42 3345.485 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 43 3345.79 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 44 3346.094 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 45 3346.399 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 46 3346.704 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 47 3347.009 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 48 3347.314 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 49 3347.618 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 50 3347.923 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 51 3348.228 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 52 3348.563 -- φ 12.3% · Density 2.70 · GEOCHEM GROUP LIMITED FRAC | SDY SLTST LT BRN MIC FNT LAM --
31/26- 7 ↳ Plug 53 3348.838 -- φ 12.7% · Kh 0.1 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST LT GY VF R CALC --
31/26- 7 ↳ Plug 54 3349.142 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 55 3349.447 -- φ 11.2% · Kh 0.0 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST/SLTST GY/GRN VF V MIC --
31/26- 7 ↳ Plug 56 3349.722 -- φ 15.0% · Kh 1.5 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF MIC LAM --
31/26- 7 ↳ Plug 57 3350.087 -- φ 15.4% · Kh 0.0 mD · Density 2.66 · GEOCHEM GROUP LIMITED SLTY SST LT BRN VF LAM --
31/26- 7 ↳ Plug 58 3350.362 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 59 3350.666 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 60 3350.971 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 61 3351.276 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 62 3351.581 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 63 3351.886 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 64 3352.19 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 65 3352.495 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 66 3352.8 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 67 3353.105 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 68 3353.41 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 69 3353.714 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 70 3354.019 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 71 3354.324 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 72 3354.629 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 73 3354.934 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 74 3355.238 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 75 3355.543 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 76 3355.848 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 77 3356.153 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 78 3356.458 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 79 3356.762 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 80 3357.067 -- GEOCHEM GROUP LIMITED SILTSTONE --
31/26- 7 ↳ Plug 81 3357.494 -- φ 16.5% · Kh 0.7 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST DK RD/BRN VF/R MDST CLSTS --
31/26- 7 ↳ Plug 82 3357.677 -- φ 8.6% · Kv 0.0 mD · Density 2.71 · GEOCHEM GROUP LIMITED FRAC | SDY MDST DK BRN/RD VF LAM --
31/26- 7 ↳ Plug 83 3357.982 -- φ 11.6% · Density 2.69 · GEOCHEM GROUP LIMITED FRAC | SST LT/DK RD/BRN VF CALC MIC LA --
31/26- 7 ↳ Plug 84 3358.286 -- φ 15.5% · Kh 0.3 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST DK RD/BRN VF R CALC --
31/26- 7 ↳ Plug 85 3358.591 -- φ 12.1% · Kh 0.0 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST DK RD/BRN VF R CALC --
31/26- 7 ↳ Plug 86 3358.896 -- φ 11.6% · Kh 0.0 mD · Density 2.71 · GEOCHEM GROUP LIMITED MDST/SST DK RD/BRN VF CALC --
31/26- 7 ↳ Plug 87 3359.201 -- φ 12.8% · Kh 0.3 mD · Kv 0.0 mD · Density 2.72 · GEOCHEM GROUP LIMITED SST DK RD VF CALC SLTY MIC LAM --
31/26- 7 ↳ Plug 88 3359.506 -- φ 14.7% · Kh 0.4 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST DK RD VF CALC SLTY MIC LAM --
31/26- 7 ↳ Plug 89 3359.81 -- φ 13.1% · Kh 0.0 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST DK RD/BRN VF CALC --
31/26- 7 ↳ Plug 90 3360.115 -- φ 12.5% · Kh 0.0 mD · Density 2.71 · GEOCHEM GROUP LIMITED MDST DK RD/BRN R SDY LAM --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
31/26- 7 92.50679779052734 3479.901611328125 8 0 2026-08-06 14:04:19.200618+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
31/26- 7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2829.0012 3479.9016 4272
caliper CALI CGG Digital Well Logs 2829.0012 3479.9016 4272
comp_sonic DT CGG Digital Well Logs 1420.6728 3465.8808000000004 13421
deep_resistivity ILD CGG Digital Well Logs 1421.13 3477.768 13496
deep_resistivity IDPH CGG Digital Well Logs 1427.988 3477.6156 13450
density_correction DRHO CGG Digital Well Logs 2829.0012 3479.9016 4272
gamma_ray CGR CGG Digital Well Logs 2829.1536 3469.5384000000004 4203
gamma_ray GR CGG Digital Well Logs 92.5068 3469.9956 22163
gamma_ray SGR CGG Digital Well Logs 2829.306 3469.386 4201
med_resistivity ILM CGG Digital Well Logs 1421.13 3478.8348 13503
med_resistivity IMPH CGG Digital Well Logs 1427.988 3478.9872 13459
neutron_por NPHI CGG Digital Well Logs 2829.0012 3473.958 4233
potassium POTA CGG Digital Well Logs 2829.1536 3469.5384000000004 4203
thorium THOR CGG Digital Well Logs 2829.306 3469.386 4201
uranium URAN CGG Digital Well Logs 2829.1536 3469.5384000000004 4203

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
31/26- 7 126 3474.720 3289.262 D:\BigSpatial\nsta_raw\CGG_Deviation\31-26a-7 10582av_CGG-Deviation.xlsx

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