Well Data Manager / Well Summary / 99/12- 1

99/12- 1

Decommissioned

Well Header

Well No
99/12- 1
NSTA DEN No
2427
Well Name
--
Drill Seq No
1
Quadrant / Block
99 / 12
Surface Location
50.655383, -0.776387
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ESSO EXPLORATION AND PRODUCTION UK LIMITED
Original Operator
--
Sub Area Operator
ESSO EXPLORATION AND PRODUCTION UK LIMITED
Licence No
P407
Licence Type
Production
Spud Date
1984-06-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

99/12- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
35.357
Ground Elev (m)
--
Water Depth (m)
16.46
TD MD (m)
1183.843
TD TVDSS (m)
1006.145
TD Datum Depth (m)
35.357
TD Datum Type
Kelly Bushing
Spud Date
1984-06-22
TD Reached
1984-07-13
Completion Date
1984-07-16
Release Date
1988-07-16

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
99/12- 1 Sea Bed 52.000 16.643 BGS
Top Barton Gp 52.000 16.643 BGS
Top London Clay Fm 207.000 171.643 BGS
Top Reading Fm 368.000 332.643 BGS
Top Chalk Gp 404.000 368.643 BGS
Top Selborne Gp 758.000 722.643 BGS
Top Upper Greensand Fm 758.000 722.643 BGS
Top Gault Clay Fm 782.000 746.643 BGS
Top Lower Greensand Gp 810.000 774.643 BGS
Top Wealden Gp 834.000 798.643 BGS
Top Oxford Clay Fm Mesozoic 851.000 815.643 BGS
Top Kellaways Fm 920.000 884.643 BGS
Top Great Oolite Gp Mesozoic 933.000 897.643 BGS
Top Cornbrash Fm 933.000 897.643 BGS
Top Chalfield Oolite Fm 942.000 906.643 BGS
Top Fullers Earth Fm Mesozoic 981.000 945.643 BGS
Top Metamorphic Basement 1042.000 1006.643 BGS

Lithology Intervals

99/12- 1 Curve: SANDCOUNT 11 intervals  ·  MD 208.788 – 1212.952 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/SW Approac...
Sandstone (24)
Limestone (6)
Metamorphic (2)
Metamorphic (1)
99/12- 1 Curve: SANDCOUNT 22 intervals  ·  MD 208.788 – 1212.952 m G:/NSTA_BigFiles/NSTA_Packages/OGA_EnglishChannel/Litholo...
Sandstone (24)
Limestone (6)
Metamorphic (2)
Metamorphic (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
99/12- 1 7 9 0 19 17 3 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
99/12- 1 Cuttings 118.87 1219.2 -- -- .
99/12- 1 Core #1 1051.56 1060.7 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
99/12- 1 0.0 4010.0 0 1 2026-07-05 10:58:08.268024+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
99/12- 1 0 -- -- --

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