Well Data Manager / Well Summary / 30/11a- 2

30/11a- 2

Decommissioned

Well Header

Well No
30/11a- 2
NSTA DEN No
4365
Well Name
--
Drill Seq No
2
Quadrant / Block
30 / 11 a
Surface Location
56.660252, 2.127705
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
MAERSK OIL EXPLORATION UK LIMITED
Original Operator
--
Sub Area Operator
MAERSK OIL EXPLORATION UK LIMITED
Licence No
P11
Licence Type
Production
Spud Date
1991-03-16
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

30/11a- 2 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil and Gas Shows
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.432
Ground Elev (m)
--
Water Depth (m)
84.73
TD MD (m)
3307.080
TD TVDSS (m)
0.000
TD Datum Depth (m)
27.432
TD Datum Type
Kelly Bushing
Spud Date
1991-03-16
TD Reached
1991-04-22
Completion Date
1991-05-03
Release Date
1995-05-03

Formation Tops (15)

Wellbore Formation Era MD (m) TVDSS (m) Provider
30/11a- 2 Horda Cenozoic 2632.000 2604.467 Lloyds Register
Stronsay Cenozoic 2632.000 2604.467 Lloyds Register
Balder Tuff Cenozoic 2876.000 2848.403 Lloyds Register
Balder Cenozoic 2876.000 2848.403 Lloyds Register
Moray Mesozoic 2876.000 2848.403 Lloyds Register
Sele Mesozoic 2889.000 2861.400 Lloyds Register
Montrose Mesozoic 2937.000 2909.381 Lloyds Register
Lista Mesozoic 2937.000 2909.381 Lloyds Register
Balmoral Sandstone Cenozoic 2955.000 2927.373 Lloyds Register
Maureen Mesozoic 3048.000 3020.341 Lloyds Register
Maureen Sandstone Mesozoic 3093.000 3065.322 Lloyds Register
Maureen Reworked Unit Mesozoic 3133.000 3105.301 Lloyds Register
Chalk Mesozoic 3146.000 3118.291 Lloyds Register
Ekofisk Mesozoic 3146.000 3118.291 Lloyds Register
Tor Mesozoic 3234.000 3206.227 Lloyds Register

Lithology Intervals

30/11a- 2 Curve: SANDCOUNT 70 intervals  ·  MD 1447.648 – 3339.236 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Limestone (58)
LITH Sand (12)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
30/11a- 2 4 7 4 39 15 1 3 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (43)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
30/11a- 2 Cuttings 868.68 3334.51 -- -- received from Ichron Jan`03 - curated to fill gap
30/11a- 2 Core #1 2913.28 2919.5 φ 20.0% (n=9) · Kh 1.2 mD (n=9) · Kv 0.0 mD (n=1) · Density 2.79 (n=9) · COREX SERVICES LTD GY/BRN LITHIC CONG MTX: FG WL SORT HD CALC TR MIC TR GLAUC. CLASTS: 80% S RND S.ANG >20MM.; LT GY ARG SST VFG V WL SORT HD CALC/FE CALC? WH CL MIC GLAUC.; LT GY CALC MDST VFG WL SORT HD TR MIC WH CL TR GLAUC.; LT GY CLST VFG WL SORT HD SL CALC WH/GY CLS MIC TR GLAUC.; LT GY MUDDY CLST VFG WL SORT HD SL CALC WH CL TR MIC TR GLAUC MD FRACS.; LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MIC TR GLAUC MD FRACS.; LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MICA TR GLAUC MD FRACS + CARB WISPS.; LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MICA TR GLAUC MD FRACS. --
30/11a- 2 ↳ Plug 2 2913.675 -- φ 20.2% · Kh 0.4 mD · Kv 0.0 mD · Density 2.70 · COREX SERVICES LTD LT GY ARG SST VFG V WL SORT HD CALC/FE CALC? WH CL MIC GLAUC. --
30/11a- 2 ↳ Plug 3 2913.888 -- φ 19.7% · Kh 0.3 mD · Density 2.73 · COREX SERVICES LTD LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MIC TR GLAUC MD FRACS. --
30/11a- 2 ↳ Plug 4 2914.132 -- φ 18.3% · Kh 0.1 mD · Density 2.90 · COREX SERVICES LTD GY/BRN LITHIC CONG MTX: FG WL SORT HD CALC TR MIC TR GLAUC. CLASTS: 80% S RND S.ANG >20MM. --
30/11a- 2 ↳ Plug 5 2914.513 -- φ 25.4% · Kh 0.8 mD · Density 2.71 · COREX SERVICES LTD LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MICA TR GLAUC MD FRACS. --
30/11a- 2 ↳ Plug 6 2914.818 -- φ 19.1% · Kh 1.6 mD · Density 2.71 · COREX SERVICES LTD LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MICA TR GLAUC MD FRACS. --
30/11a- 2 ↳ Plug 7 2915.107 -- φ 18.6% · Kh 0.3 mD · Density 2.72 · COREX SERVICES LTD LT GY SANDY CLST VFG WL SORT HD CALC WH CL TR MICA TR GLAUC MD FRACS + CARB WISPS. --
30/11a- 2 ↳ Plug 10 2915.9 -- φ 21.9% · Kh 2.3 mD · Density 3.02 · COREX SERVICES LTD LT GY CLST VFG WL SORT HD SL CALC WH/GY CLS MIC TR GLAUC. --
30/11a- 2 ↳ Plug 15 2917.546 -- φ 15.8% · Kh 0.1 mD · Density 2.85 · COREX SERVICES LTD LT GY CALC MDST VFG WL SORT HD TR MIC WH CL TR GLAUC. --
30/11a- 2 ↳ Plug 21 2919.374 -- φ 20.6% · Kh 4.9 mD · Density 2.81 · COREX SERVICES LTD LT GY MUDDY CLST VFG WL SORT HD SL CALC WH CL TR MIC TR GLAUC MD FRACS. --
30/11a- 2 Core #2 2965.09 2969.36 φ 23.8% (n=12) · Kh 7.7 mD (n=12) · Kv 0.7 mD (n=2) · Density 2.67 (n=12) · COREX SERVICES LTD LT BRN CALC SST FG EXTR WL SORT HD WH ARG CMT MIC QTZ OVGTHS TR GLAUC.; LT BRN CALC SST VF-FG EXTR WL SORT HD WH ARG CMT MIC OPS.; LT GY/BRN CALC SST FG EXTR WL SORT MOD HD WH ART CMT MIC OPS.; LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS.; LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC.; LT GY/BRN CALC SST VF-FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS.; LT GY/BRN CALC SST VF-FG V WL SORT MOD HD WH ARG CMT MIC TR DISEM PYR.; PRESERVED SAMPLE --
30/11a- 2 ↳ Plug 22 2965.125 -- φ 23.2% · Kh 0.3 mD · Density 2.68 · COREX SERVICES LTD LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC. --
30/11a- 2 ↳ Core Plug #2 2965.201 -- COREX SERVICES LTD PRESERVED SAMPLE --
30/11a- 2 ↳ Core Plug #2 2965.369 -- COREX SERVICES LTD PRESERVED SAMPLE --
30/11a- 2 ↳ Plug 23 2965.399 -- φ 25.5% · Kh 1.5 mD · Kv 0.2 mD · Density 2.68 · COREX SERVICES LTD LT GY/BRN CALC SST FG EXTR WL SORT MOD HD WH ART CMT MIC OPS. --
30/11a- 2 ↳ Plug 24 2965.704 -- φ 23.5% · Kh 0.9 mD · Density 2.68 · COREX SERVICES LTD LT GY/BRN CALC SST FG EXTR WL SORT MOD HD WH ART CMT MIC OPS. --
30/11a- 2 ↳ Plug 25 2966.009 -- φ 24.0% · Kh 1.5 mD · Density 2.67 · COREX SERVICES LTD LT GY/BRN CALC SST FG EXTR WL SORT MOD HD WH ART CMT MIC OPS. --
30/11a- 2 ↳ Plug 26 2966.237 -- φ 18.5% · Kh 7.4 mD · Density 2.65 · COREX SERVICES LTD LT BRN CALC SST VF-FG EXTR WL SORT HD WH ARG CMT MIC OPS. --
30/11a- 2 ↳ Plug 27 2966.618 -- COREX SERVICES LTD -- --
30/11a- 2 ↳ Plug 28 2966.938 -- φ 24.8% · Kh 29.4 mD · Density 2.67 · COREX SERVICES LTD LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS. --
30/11a- 2 ↳ Plug 29 2967.228 -- φ 29.1% · Kh 16.2 mD · Density 2.67 · COREX SERVICES LTD LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS. --
30/11a- 2 ↳ Plug 30 2967.533 -- φ 27.3% · Kh 8.4 mD · Density 2.67 · COREX SERVICES LTD LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS. --
30/11a- 2 ↳ Plug 31 2967.838 -- φ 29.9% · Kh 23.3 mD · Density 2.66 · COREX SERVICES LTD LT GY/BRN CALC SST FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS. --
30/11a- 2 ↳ Plug 32 2968.158 -- φ 25.0% · Kh 1.9 mD · Kv 1.1 mD · Density 2.67 · COREX SERVICES LTD LT GY/BRN CALC SST VF-FG V WL SORT MOD HD WH ARG CMT MIC CARB WISPS. --
30/11a- 2 ↳ Core Plug #2 2968.188 -- COREX SERVICES LTD PRESERVED SAMPLE --
30/11a- 2 ↳ Core Plug #2 2968.371 -- COREX SERVICES LTD PRESERVED SAMPLE --
30/11a- 2 ↳ Plug 33 2968.554 -- φ 24.1% · Kh 1.1 mD · Density 2.68 · COREX SERVICES LTD LT GY/BRN CALC SST VF-FG V WL SORT MOD HD WH ARG CMT MIC TR DISEM PYR. --
30/11a- 2 ↳ Plug 34 2968.752 -- φ 10.4% · Kh 0.3 mD · Density 2.66 · COREX SERVICES LTD LT BRN CALC SST FG EXTR WL SORT HD WH ARG CMT MIC QTZ OVGTHS TR GLAUC. --
30/11a- 2 Core #3 2969.97 2987.44 φ 21.6% (n=11) · Kh 0.1 mD (n=11) · Density 2.76 (n=11) · COREX SERVICES LTD GY LITHIC CONG MTX: CLST WH/GY ARG CMT MIC CALC/FE CALC REPL? PYR PCH. CLASTS 40% S.RND.; GY MUDDY SLTST VFG EXTR WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC WH/BRN CALC NOD.; GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC TR DISEM PYR.; GY SLTY CLST VFG EXTR WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC TR GLAUC.; LT BRN CALC SST VFG EXTR WL SORT HD WH ARG CMT MIC TR GLAUC.; LT GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC.; LT GY SLTY CLST VFG WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC TR GLAUC.; NO ANALYSIS REQUIRED --
30/11a- 2 ↳ Core Plug #3 2969.971 -- COREX SERVICES LTD NO ANALYSIS REQUIRED --
30/11a- 2 ↳ Core Plug #3 2975.427 -- COREX SERVICES LTD NO ANALYSIS REQUIRED --
30/11a- 2 ↳ Plug 55 2975.458 -- φ 13.1% · Kh 0.0 mD · Density 2.69 · COREX SERVICES LTD LT BRN CALC SST VFG EXTR WL SORT HD WH ARG CMT MIC TR GLAUC. --
30/11a- 2 ↳ Plug 59 2976.677 -- φ 25.9% · Kh 0.0 mD · Density 2.79 · COREX SERVICES LTD GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC TR DISEM PYR. --
30/11a- 2 ↳ Plug 63 2977.896 -- φ 23.0% · Kh 0.1 mD · Density 2.74 · COREX SERVICES LTD GY LITHIC CONG MTX: CLST WH/GY ARG CMT MIC CALC/FE CALC REPL? PYR PCH. CLASTS 40% S.RND. --
30/11a- 2 ↳ Plug 67 2979.115 -- φ 27.0% · Kh 0.1 mD · Density 2.79 · COREX SERVICES LTD GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC TR DISEM PYR. --
30/11a- 2 ↳ Plug 71 2980.334 -- φ 24.3% · Kh 0.0 mD · Density 2.79 · COREX SERVICES LTD GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC TR DISEM PYR. --
30/11a- 2 ↳ Plug 75 2981.554 -- φ 20.3% · Kh 0.2 mD · Density 2.73 · COREX SERVICES LTD LT GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC. --
30/11a- 2 ↳ Plug 79 2982.773 -- φ 16.2% · Kh 0.0 mD · Density 2.73 · COREX SERVICES LTD LT GY SLTY CLST VFG EXTR WL SORT HD CALC/FE CALC REPL? WH/GY ARG CMT MIC TR GLAUC. --
30/11a- 2 ↳ Plug 83 2983.992 -- φ 26.9% · Kh 0.0 mD · Density 2.78 · COREX SERVICES LTD LT GY SLTY CLST VFG WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC TR GLAUC. --
30/11a- 2 ↳ Plug 87 2985.211 -- φ 22.9% · Kh 0.1 mD · Density 2.80 · COREX SERVICES LTD LT GY SLTY CLST VFG WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC TR GLAUC. --
30/11a- 2 ↳ Plug 91 2986.43 -- φ 27.9% · Kh 0.3 mD · Density 2.83 · COREX SERVICES LTD GY SLTY CLST VFG EXTR WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC TR GLAUC. --
30/11a- 2 ↳ Plug 94 2987.345 -- φ 9.6% · Kh 0.0 mD · Density 2.69 · COREX SERVICES LTD GY MUDDY SLTST VFG EXTR WL SORT HD WH/GY ARG CMT CALC/FE CALC REPL? MIC WH/BRN CALC NOD. --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
30/11a- 2 106.68000030517578 3338.626953125 11 0 2026-08-06 13:46:47.872726+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
30/11a- 2
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 854.202 3338.6268 16303
caliper CALI CGG Digital Well Logs 854.5068 3338.0172000000002 16297
caliper CALS CGG Digital Well Logs 2745.7908 3327.3492 3817
comp_sonic DT CGG Digital Well Logs 863.9556 3320.4912000000004 16115
deep_resistivity LLD CGG Digital Well Logs 2747.3148 3335.2740000000003 3859
density_correction DRHO CGG Digital Well Logs 854.202 3338.0172000000002 16299
gamma_ray GRL CGG Digital Well Logs 2736.1896 3329.0256000000004 3891
gamma_ray GR CGG Digital Well Logs 106.68 3329.1780000000003 21146
micro_resistivity MSFL CGG Digital Well Logs 2746.4004 3327.3492 3813
neutron_por NPHI CGG Digital Well Logs 2745.7908 3332.5308 3851
pef PEF CGG Digital Well Logs 868.2228 2753.5632 12372
shallow_resistivity LLS CGG Digital Well Logs 2747.3148 3335.2740000000003 3859
sp SP CGG Digital Well Logs 2746.248 3307.842 3686

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
30/11a- 2 67 3334.510 3306.659 D:\BigSpatial\nsta_raw\CGG_Deviation\30-11a-2 12587bx-CGG_Deviation.xlsx

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