Well Data Manager / Well Summary / 22/12a- 8

22/12a- 8

Present

Well Header

Well No
22/12a- 8
NSTA DEN No
7061
Well Name
--
Drill Seq No
8
Quadrant / Block
22 / 12 a
Surface Location
57.635435, 1.334191
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
ENTERPRISE OIL LIMITED
Original Operator
--
Sub Area Operator
ENTERPRISE OIL LIMITED
Licence No
P77
Licence Type
Production
Spud Date
2001-01-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

22/12a- 8 Original
Abandoned Phase 1 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
H2
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
90.01
TD MD (m)
3368.040
TD TVDSS (m)
3341.370
TD Datum Depth (m)
26.213
TD Datum Type
Rotary Table
Spud Date
2001-01-14
TD Reached
2001-02-11
Completion Date
2001-02-17
Release Date
2005-02-17

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
22/12a- 8 Horda Cenozoic 2192.000 2165.724 Lloyds Register
Stronsay Cenozoic 2192.000 2165.724 Lloyds Register
Moray Mesozoic 2394.000 2367.683 Lloyds Register
Balder Cenozoic 2394.000 2367.683 Lloyds Register
Balder Tuff Cenozoic 2396.000 2369.683 Lloyds Register
Sele Mesozoic 2453.000 2426.674 Lloyds Register
Forties Sandstone Mesozoic 2484.000 2457.670 Lloyds Register
Lista Mesozoic 2664.000 2637.644 Lloyds Register
Montrose Mesozoic 2664.000 2637.644 Lloyds Register
Balmoral Sandstone Cenozoic 2688.000 2661.640 Lloyds Register
Maureen Mesozoic 2764.000 2737.627 Lloyds Register
Maureen Sandstone Mesozoic 2764.000 2737.627 Lloyds Register
Maureen Reworked Unit Mesozoic 2799.000 2772.621 Lloyds Register
Ekofisk Mesozoic 2821.000 2794.617 Lloyds Register
Chalk Mesozoic 2821.000 2794.617 Lloyds Register
Tor Mesozoic 2888.000 2861.610 Lloyds Register
Mackerel Mesozoic 3073.000 3046.589 Lloyds Register
Humber Mesozoic 3111.000 3084.582 Lloyds Register
Kimmeridge Clay 3111.000 3084.582 Lloyds Register
Heather Mesozoic 3193.000 3166.565 Lloyds Register
Fulmar Mesozoic 3224.000 3197.554 Lloyds Register
Fladen Mesozoic 3273.000 3246.533 Lloyds Register
Pentland Mesozoic 3273.000 3246.533 Lloyds Register
Heron Palaeozoic 3318.000 3291.511 Lloyds Register
Skagerrak Mesozoic 3318.000 3291.511 Lloyds Register
Smith Bank Mesozoic 3328.000 3301.502 Lloyds Register

Lithology Intervals

22/12a- 8 Curve: SANDCOUNT 45 intervals  ·  MD 2483.358 – 3328.873 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (38)
Limestone (5)
Coal (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
22/12a- 8 7 14 5 19 26 2 0 1 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
22/12a- 8 Gas shows GS Tor Formation 2887.98 -- 185 m thick
22/12a- 8 Gas shows GS Mackerel Formation 3072.6888000000004 -- 39 m thick
22/12a- 8 Oil shows OS Kimmeridge Clay Formation 3111.3984 -- 82 m thick
22/12a- 8 Oil shows OS Heather Formation 3193.3896 -- 30 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
22/12a- 8 Cuttings 777.24 3368.04 -- -- curated Mar`01 to fill gap

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
22/12a- 8 48.15840148925781 3344.875244140625 7 0 2026-08-06 17:44:26.438789+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
22/12a- 8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 765.5052000000001 3341.2176 16746
caliper CALI CGG Digital Well Logs 764.4384 3341.2176 16803
comp_sonic DT CGG Digital Well Logs 764.8956000000001 3344.8752 16930
density_correction ZCOR CGG Digital Well Logs 765.5052000000001 3341.2176 16746
gamma_ray GR CGG Digital Well Logs 48.1584 3333.75 21560
neutron_por CNC CGG Digital Well Logs 722.9856000000001 3337.7124000000003 17158
pef PE CGG Digital Well Logs 765.5052000000001 3341.2176 16746
shear_sonic DTS CGG Digital Well Logs 2809.494 3349.5996 3545

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
22/12a- 8 115 3368.040 3341.500 D:\BigSpatial\nsta_raw\CGG_Deviation\22-12a-8 12459as_CGG-Deviation.xlsx

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