Well Data Manager / Well Summary / 20/07- 1

20/07- 1

Decommissioned

Well Header

Well No
20/07- 1
NSTA DEN No
1255
Well Name
--
Drill Seq No
1
Quadrant / Block
20 / 7
Surface Location
57.801202, -0.744446
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CNOOC PETROLEUM EUROPE LIMITED
Original Operator
--
Sub Area Operator
CNOOC PETROLEUM EUROPE LIMITED
Licence No
P272
Licence Type
Production
Spud Date
1978-09-09
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/07- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Show
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.079
Ground Elev (m)
--
Water Depth (m)
113.39
TD MD (m)
2747.770
TD TVDSS (m)
2723.690
TD Datum Depth (m)
24.079
TD Datum Type
Kelly Bushing
Spud Date
1978-09-09
TD Reached
1978-11-01
Completion Date
1978-11-06
Release Date
1982-11-06

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/07- 1 Moray Mesozoic 813.000 787.806 Lloyds Register
Sele Mesozoic 813.000 787.806 Lloyds Register
Montrose Mesozoic 1030.000 1004.508 Lloyds Register
Lista Mesozoic 1030.000 1004.508 Lloyds Register
Maureen Mesozoic 1191.000 1165.287 Lloyds Register
Chalk Mesozoic 1206.000 1180.266 Lloyds Register
Ekofisk Mesozoic 1206.000 1180.266 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1248.000 1222.209 Lloyds Register
Cromer Knoll Mesozoic 1886.000 1859.334 Lloyds Register
Rodby Mesozoic 1886.000 1859.334 Lloyds Register
Sola 1963.000 1936.228 Lloyds Register
Valhall Mesozoic 2099.000 2072.041 Lloyds Register
Kimmeridge Clay 2453.000 2425.556 Lloyds Register
Humber Mesozoic 2453.000 2425.556 Lloyds Register
Sgiath Mesozoic 2630.000 2601.886 Lloyds Register
Smith Bank Mesozoic 2636.000 2607.855 Lloyds Register
Heron Palaeozoic 2636.000 2607.855 Lloyds Register
Halibut Carbonate Palaeozoic 2682.000 2653.595 Lloyds Register
Zechstein Palaeozoic 2682.000 2653.595 Lloyds Register
Auk 2712.000 2683.400 Lloyds Register
Rotliegend 2712.000 2683.400 Lloyds Register

Lithology Intervals

20/07- 1 Curve: SANDCOUNT 10 intervals  ·  MD 608.158 – 2746.178 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (6)
Limestone (4)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
20/07- 1 8 13 0 26 21 7 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/07- 1 Cuttings 243.84 2747.77 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/07- 1 134.264404296875 2744.419189453125 10 0 2026-08-06 09:53:35.088437+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/07- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2471.6232 2744.4192000000003 1791
caliper CALI CGG Digital Well Logs 2472.69 2743.962 1781
caliper CALS CGG Digital Well Logs 2471.3184 2743.6572 1788
comp_sonic DT CGG Digital Well Logs 516.0264000000001 2742.8952 14416
deep_resistivity ILD CGG Digital Well Logs 516.6360000000001 2704.0332000000003 14252
deep_resistivity LLD CGG Digital Well Logs 2473.7568 2739.9996 1748
density_correction DRHO CGG Digital Well Logs 2473.9092 2744.4192000000003 1776
gamma_ray GR CGG Digital Well Logs 134.2644 2735.2752 17068
gamma_ray GRL CGG Digital Well Logs 2452.4208000000003 2734.818 1854
gamma_ray GRD CGG Digital Well Logs 2455.4688 2736.9516000000003 1848
micro_resistivity MSFL CGG Digital Well Logs 2473.1472000000003 2744.1144 1779
neutron_por NPHI CGG Digital Well Logs 2471.4708 2738.628 1754
shallow_resistivity SFLU CGG Digital Well Logs 516.9408000000001 2702.8140000000003 14261
shallow_resistivity LLS CGG Digital Well Logs 2473.9092 2740.152 1748
sp SP CGG Digital Well Logs 515.874 2469.9468 12763

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/07- 1 163 2721.864 2693.209 D:\BigSpatial\nsta_raw\CGG_Deviation\20-7-1 1015ac_CGG-Deviation.xlsx

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