Well Data Manager / Well Summary / 21/30- 18

21/30- 18

Decommissioned

Well Header

Well No
21/30- 18
NSTA DEN No
4675
Well Name
--
Drill Seq No
18
Quadrant / Block
21 / 30
Surface Location
57.026112, 0.973187
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
PERENCO UK LIMITED
Original Operator
--
Sub Area Operator
PERENCO UK LIMITED
Licence No
P13
Licence Type
Production
Spud Date
1992-03-19
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/30- 18 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
JJ
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
22.860
Ground Elev (m)
--
Water Depth (m)
95.71
TD MD (m)
3173.578
TD TVDSS (m)
3055.315
TD Datum Depth (m)
22.860
TD Datum Type
Kelly Bushing
Spud Date
1992-03-19
TD Reached
1992-05-04
Completion Date
1992-05-11
Release Date
1996-05-11

Formation Tops (18)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/30- 18 Horda Cenozoic 1890.000 1836.874 Lloyds Register
Stronsay Cenozoic 1890.000 1836.874 Lloyds Register
Moray Mesozoic 2041.000 1966.870 Lloyds Register
Balder Cenozoic 2041.000 1966.870 Lloyds Register
Sele Mesozoic 2058.000 1981.228 Lloyds Register
Montrose Mesozoic 2090.000 2008.427 Lloyds Register
Lista Mesozoic 2090.000 2008.427 Lloyds Register
Maureen Mesozoic 2125.000 2038.066 Lloyds Register
Chalk Mesozoic 2186.000 2089.382 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2186.000 2089.382 Lloyds Register
Valhall Mesozoic 2526.000 2396.772 Lloyds Register
Cromer Knoll Mesozoic 2526.000 2396.772 Lloyds Register
Kimmeridge Clay 2821.000 2684.426 Lloyds Register
Humber Mesozoic 2821.000 2684.426 Lloyds Register
Heather Mesozoic 2917.000 2778.610 Lloyds Register
Fulmar Mesozoic 3009.000 2869.106 Lloyds Register
Heron Palaeozoic 3012.000 2872.064 Lloyds Register
Skagerrak Mesozoic 3012.000 2872.064 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
21/30- 18 7 11 0 45 18 2 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (89)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/30- 18 Cuttings 862.58 3194.3 -- -- .
21/30- 18 Core #1 3013.25 3039.62 φ 14.2% (n=87) · Kh 1.0 mD (n=61) · Kv 0.2 mD (n=6) · Density 2.70 (n=87) · GEOCHEM GROUP LIMITED FRACTURED | SLTST GY SLT F SDY LYR; SLTY SST GY SLT-F LAM; SLTY SST GY SLT-VF LAM MIC; SST BU VF-F; SST BU/GY VF SLTY LAM R MIC; SST BU/GY VF-F OCC SLTY FRAG; SST BU/GY VF-F SLTY LAM BIOT?; SST GY F; SST GY F OCC SLTST CLST; SST GY SLT-VF R MIC; SST GY SLT-VF SLTY CLSTS; SST GY VF; SST GY VF BURR?; SST GY VF FNT LAM; SST GY VF FNT LAM R MIC; SST GY VF FNT SLTY LAM BIOT?; SST GY VF FNT SLTY LAM R MIC; SST GY VF FRI R VUGS SL FE STG; SST GY VF LAM MIC; SST GY VF LAM R MIC; SST GY VF LAM SLTY BND + CLSTS; SST GY VF LGE SLTST CLSTS; SST GY VF OCC SLTST CLST; SST GY VF OCC SLTY LAM; SST GY VF R MIC LAM; SST GY VF R PY SLTY LAM; SST GY VF RIPP LAM PY NODS; SST GY VF RIPP LAM R MIC; SST GY VF SLTY LAM; SST GY VF SLTY LAM MIC; SST GY VF SLTY RIPP LAM R PY; SST GY VF W ABD SLTST CLSTS; SST GY VF W SLTY CLSTS R PY; SST GY VF-F; SST GY VF-F DEF SLTY LAM; SST GY VF-F FNT LAM; SST GY VF-F FNT LAM R MIC; SST GY VF-F FNT LAM R PY/MIC; SST GY VF-F FNT LAM SLTST CLSTS; SST GY VF-F FNT SLTY LAM; SST GY VF-F FRI SL FE STG; SST GY VF-F LAM MIC; SST GY VF-F LAM MIC/SLTY CLSTS; SST GY VF-F LAM R SLTST CLSTS; SST GY VF-F LAM R SLTY FRAG; SST GY VF-F R MIC SLTY LAM; SST GY VF-F R SLTST CLSTS; SST GY VF-F RIPP LAM R MIC; SST GY/BU VF R SLTY CLSTS; SST GY/BU VF-F FNT SLTY LAM PY; SST GY/BU VF-F SLTY LAM --
21/30- 18 ↳ Plug 01 3013.253 -- φ 10.2% · Kh 0.2 mD · Kv 0.1 mD · Density 2.74 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 02 3013.558 -- φ 11.2% · Density 2.75 · GEOCHEM GROUP LIMITED FRACTURED | SLTY SST GY SLT-F LAM --
21/30- 18 ↳ Plug 03 3013.862 -- φ 13.5% · Density 2.70 · GEOCHEM GROUP LIMITED FRACTURED | SLTY SST GY SLT-F LAM --
21/30- 18 ↳ Plug 04 3014.167 -- φ 12.7% · Kh 2.0 mD · Density 2.75 · GEOCHEM GROUP LIMITED SST GY VF W SLTY CLSTS R PY --
21/30- 18 ↳ Plug 05 3014.472 -- φ 10.1% · Kh 1.0 mD · Density 2.73 · GEOCHEM GROUP LIMITED SST GY VF OCC SLTY LAM --
21/30- 18 ↳ Plug 06 3014.777 -- φ 12.2% · Kh 1.4 mD · Density 2.73 · GEOCHEM GROUP LIMITED SST GY VF FNT SLTY LAM R MIC --
21/30- 18 ↳ Plug 07 3015.112 -- φ 10.1% · Kh 2.8 mD · Density 2.72 · GEOCHEM GROUP LIMITED SST GY VF R PY SLTY LAM --
21/30- 18 ↳ Plug 08 3015.386 -- φ 13.8% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF FNT SLTY LAM R MIC --
21/30- 18 ↳ Plug 09 3015.661 -- φ 6.7% · Density 2.76 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF FNT SLTY LAM BIOT? --
21/30- 18 ↳ Plug 10 3015.966 -- φ 12.6% · Density 2.71 · GEOCHEM GROUP LIMITED FRACTURED | SST GY SLT-VF R MIC --
21/30- 18 ↳ Plug 11 3016.301 -- φ 10.6% · Kh 0.3 mD · Kv 0.2 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST GY VF RIPP LAM PY NODS --
21/30- 18 ↳ Plug 12 3016.606 -- φ 12.0% · Density 2.74 · GEOCHEM GROUP LIMITED FRACTURED | SLTY SST GY SLT-VF LAM MIC --
21/30- 18 ↳ Plug 13 3016.88 -- φ 12.9% · Kh 0.4 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 14 3017.276 -- φ 16.4% · Density 2.72 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF LGE SLTST CLSTS --
21/30- 18 ↳ Plug 15 3017.52 -- φ 17.0% · Kh 3.8 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF-F LAM R SLTST CLSTS --
21/30- 18 ↳ Plug 16 3017.825 -- φ 17.4% · Kh 1.7 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF-F R SLTST CLSTS --
21/30- 18 ↳ Plug 17 3018.13 -- φ 13.7% · Kh 0.7 mD · Density 2.67 · GEOCHEM GROUP LIMITED SST GY VF OCC SLTST CLST --
21/30- 18 ↳ Plug 18 3018.434 -- φ 6.7% · Kh 0.1 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 19 3018.739 -- φ 18.9% · Kh 1.4 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 20 3019.044 -- φ 17.5% · Kh 1.6 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 21 3019.349 -- φ 15.9% · Kh 0.5 mD · Kv 0.3 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 22 3019.654 -- φ 15.2% · Density 2.71 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF W ABD SLTST CLSTS --
21/30- 18 ↳ Plug 23 3019.958 -- φ 15.6% · Kh 0.8 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF FNT LAM --
21/30- 18 ↳ Plug 24 3020.355 -- φ 15.7% · Kh 0.4 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF BURR? --
21/30- 18 ↳ Plug 25 3020.598 -- φ 15.5% · Kh 0.4 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 26 3020.873 -- φ 16.4% · Kh 1.0 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF LAM R MIC --
21/30- 18 ↳ Plug 27 3021.178 -- φ 14.3% · Kh 0.4 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF LAM R MIC --
21/30- 18 ↳ Plug 28 3021.452 -- φ 16.9% · Kh 1.1 mD · Density 2.76 · GEOCHEM GROUP LIMITED SST GY VF LAM SLTY BND + CLSTS --
21/30- 18 ↳ Plug 29 3021.787 -- φ 12.2% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF LAM MIC --
21/30- 18 ↳ Plug 30 3022.092 -- φ 15.2% · Density 2.75 · GEOCHEM GROUP LIMITED FRACTURED | SLTST GY SLT F SDY LYR --
21/30- 18 ↳ Plug 31 3022.366 -- φ 13.1% · Kh 0.5 mD · Kv 0.2 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --
21/30- 18 ↳ Plug 32 3022.702 -- φ 13.3% · Density 2.71 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF SLTY LAM --
21/30- 18 ↳ Plug 33 3023.006 -- φ 14.9% · Kh 1.0 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF RIPP LAM R MIC --
21/30- 18 ↳ Plug 34 3023.281 -- φ 17.2% · Kh 2.2 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST GY VF RIPP LAM R MIC --
21/30- 18 ↳ Plug 35 3023.616 -- φ 16.6% · Kh 1.7 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF OCC SLTST CLST --
21/30- 18 ↳ Plug 36 3023.951 -- φ 15.6% · Kh 0.7 mD · Density 2.72 · GEOCHEM GROUP LIMITED SST GY VF R MIC LAM --
21/30- 18 ↳ Plug 37 3024.256 -- φ 11.6% · Kh 0.7 mD · Density 2.73 · GEOCHEM GROUP LIMITED SST GY F OCC SLTST CLST --
21/30- 18 ↳ Plug 38 3024.53 -- φ 11.9% · Kh 0.7 mD · Density 2.72 · GEOCHEM GROUP LIMITED SST GY F --
21/30- 18 ↳ Plug 39 3024.835 -- φ 9.9% · Kh 0.6 mD · Density 2.73 · GEOCHEM GROUP LIMITED SST GY VF SLTY LAM --
21/30- 18 ↳ Plug 40 3025.079 -- φ 20.3% · Kh 5.6 mD · Density 2.66 · GEOCHEM GROUP LIMITED SST GY VF-F R MIC SLTY LAM --
21/30- 18 ↳ Plug 41 3025.445 -- φ 16.9% · Kh 0.9 mD · Kv 0.5 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 42 3025.78 -- φ 16.6% · Kh 1.4 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --
21/30- 18 ↳ Plug 43 3026.085 -- φ 18.3% · Kh 1.4 mD · Density 2.67 · GEOCHEM GROUP LIMITED SST GY VF FNT LAM R MIC --
21/30- 18 ↳ Plug 44 3026.359 -- φ 15.2% · Kh 0.4 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST GY VF --
21/30- 18 ↳ Plug 45 3026.664 -- φ 15.7% · Density 2.70 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF FRI R VUGS SL FE STG --
21/30- 18 ↳ Plug 46 3026.969 -- φ 18.4% · Density 2.69 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F FRI SL FE STG --
21/30- 18 ↳ Plug 47 3027.274 -- φ 17.6% · Kh 0.8 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F FRI SL FE STG --
21/30- 18 ↳ Plug 48 3027.578 -- φ 16.7% · Kh 0.9 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F FNT LAM SLTST CLSTS --
21/30- 18 ↳ Plug 49 3027.914 -- φ 15.5% · Kh 0.4 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF FNT LAM --
21/30- 18 ↳ Plug 50 3028.188 -- φ 16.2% · Kh 0.5 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 51 3028.493 -- φ 16.6% · Kh 0.5 mD · Kv 0.3 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 52 3028.767 -- φ 16.2% · Kh 0.5 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F FNT LAM R MIC --
21/30- 18 ↳ Plug 53 3029.102 -- φ 16.2% · Kh 0.5 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF-F FNT LAM --
21/30- 18 ↳ Plug 54 3029.407 -- φ 16.7% · Kh 0.8 mD · Density 2.67 · GEOCHEM GROUP LIMITED SST GY VF-F RIPP LAM R MIC --
21/30- 18 ↳ Plug 55 3029.682 -- φ 17.2% · Kh 0.6 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 56 3030.017 -- φ 17.4% · Kh 1.5 mD · Density 2.67 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 57 3030.322 -- φ 17.1% · Kh 0.6 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 58 3030.596 -- φ 16.6% · Kh 0.7 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 59 3030.931 -- φ 16.6% · Kh 0.8 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 60 3031.266 -- φ 15.1% · Kh 0.8 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F LAM MIC/SLTY CLSTS --
21/30- 18 ↳ Plug 61 3031.541 -- φ 12.0% · Kh 0.4 mD · Density 2.69 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F LAM MIC/SLTY CLSTS --
21/30- 18 ↳ Plug 62 3031.846 -- φ 15.8% · Kh 1.8 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY F --
21/30- 18 ↳ Plug 63 3032.15 -- φ 12.9% · Density 2.72 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF SLTY RIPP LAM R PY --
21/30- 18 ↳ Plug 64 3032.486 -- φ 16.2% · Kh 1.2 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 65 3032.76 -- φ 14.7% · Kh 0.6 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF-F --
21/30- 18 ↳ Plug 66 3033.065 -- φ 13.7% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF LAM MIC --
21/30- 18 ↳ Plug 67 3033.4 -- φ 13.7% · Density 2.74 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF SLTY LAM MIC --
21/30- 18 ↳ Plug 68 3033.674 -- φ 13.8% · Kh 1.4 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF-F LAM MIC --
21/30- 18 ↳ Plug 69 3033.979 -- φ 8.2% · Density 2.72 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F FNT SLTY LAM --
21/30- 18 ↳ Plug 70 3034.254 -- φ 14.1% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F DEF SLTY LAM --
21/30- 18 ↳ Plug 71 3034.589 -- φ 14.7% · Kh 0.3 mD · Density 2.68 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F FNT LAM R PY/MIC --
21/30- 18 ↳ Plug 72 3034.894 -- φ 9.0% · Density 2.79 · GEOCHEM GROUP LIMITED FRACTURED | SST GY/BU VF-F FNT SLTY LAM PY --
21/30- 18 ↳ Plug 73 3035.168 -- φ 8.6% · Kh 0.1 mD · Density 2.71 · GEOCHEM GROUP LIMITED SST BU VF-F --
21/30- 18 ↳ Plug 74 3035.503 -- φ 10.0% · Density 2.70 · GEOCHEM GROUP LIMITED FRACTURED | SST GY/BU VF-F SLTY LAM --
21/30- 18 ↳ Plug 75 3035.808 -- φ 12.7% · Density 2.72 · GEOCHEM GROUP LIMITED FRACTURED | SST GY/BU VF-F SLTY LAM --
21/30- 18 ↳ Plug 76 3036.143 -- φ 12.8% · Density 2.72 · GEOCHEM GROUP LIMITED FRACTURED | SST GY SLT-VF SLTY CLSTS --
21/30- 18 ↳ Plug 77 3036.418 -- φ 10.7% · Density 2.75 · GEOCHEM GROUP LIMITED FRACTURED | SST GY/BU VF R SLTY CLSTS --
21/30- 18 ↳ Plug 78 3036.722 -- φ 12.2% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST BU/GY VF SLTY LAM R MIC --
21/30- 18 ↳ Plug 79 3037.027 -- φ 14.2% · Kh 0.4 mD · Density 2.67 · GEOCHEM GROUP LIMITED SST BU/GY VF-F SLTY LAM BIOT? --
21/30- 18 ↳ Plug 80 3037.332 -- φ 11.7% · Density 2.73 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F LAM R SLTY FRAG --
21/30- 18 ↳ Plug 81 3037.637 -- φ 11.5% · Density 2.69 · GEOCHEM GROUP LIMITED FRACTURED | SST GY VF-F LAM R SLTY FRAG --
21/30- 18 ↳ Plug 82 3037.911 -- φ 12.3% · Kh 1.0 mD · Density 2.72 · GEOCHEM GROUP LIMITED SST BU/GY VF-F OCC SLTY FRAG --
21/30- 18 ↳ Plug 83 3038.185 -- φ 14.1% · Kh 0.5 mD · Density 2.68 · GEOCHEM GROUP LIMITED SST GY VF FNT LAM --
21/30- 18 ↳ Plug 84 3038.551 -- φ 15.5% · Kh 1.2 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --
21/30- 18 ↳ Plug 85 3038.886 -- φ 13.1% · Kh 0.5 mD · Density 2.70 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --
21/30- 18 ↳ Plug 86 3039.161 -- φ 15.9% · Kh 1.0 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --
21/30- 18 ↳ Plug 87 3039.405 -- φ 14.4% · Kh 0.5 mD · Density 2.69 · GEOCHEM GROUP LIMITED SST GY VF LAM MIC --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/30- 18 119.63400268554688 3198.114013671875 9 0 2026-08-06 10:25:22.850676+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/30- 18
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1986.6864 3198.114 7728
caliper CALS CGG Digital Well Logs 1986.6864 3188.9700000000003 7668
caliper CALI CGG Digital Well Logs 1986.6864 3198.114 7727
comp_sonic DT CGG Digital Well Logs 1986.6864 3182.2644 7676
deep_resistivity LLD CGG Digital Well Logs 1986.9912000000002 3194.4564 7782
density_correction DRHO CGG Digital Well Logs 1986.6864 3198.114 7716
gamma_ray GRD CGG Digital Well Logs 2756.916 3190.1892000000003 2844
gamma_ray GR CGG Digital Well Logs 119.634 3174.9492 20049
micro_resistivity MSFL CGG Digital Well Logs 2789.5296000000003 3188.9700000000003 2622
neutron_por NPHI CGG Digital Well Logs 1986.8388 3192.9324 7659
shallow_resistivity LLS CGG Digital Well Logs 1986.8388 3194.4564 7787

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/30- 18 373 3198.571 3057.671 D:\BigSpatial\nsta_raw\CGG_Deviation\21-30-18 15860cl-CGG_deviation.xlsx

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