Well Data Manager / Well Summary / 21/13a- 3

21/13a- 3

Decommissioned

Well Header

Well No
21/13a- 3
NSTA DEN No
4283
Well Name
--
Drill Seq No
3
Quadrant / Block
21 / 13 a
Surface Location
57.547209, 0.422443
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Licence No
P73
Licence Type
Production
Spud Date
1990-12-11
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/13a- 3 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
CC
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
91.44
TD MD (m)
3597.250
TD TVDSS (m)
3571.220
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1990-12-11
TD Reached
1991-02-16
Completion Date
1991-02-25
Release Date
1995-02-25

Formation Tops (13)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/13a- 3 Chalk Mesozoic 2303.000 2277.464 Lloyds Register
Ekofisk Mesozoic 2303.000 2277.464 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2366.000 2340.457 Lloyds Register
Rodby Mesozoic 2761.000 2735.406 Lloyds Register
Cromer Knoll Mesozoic 2761.000 2735.406 Lloyds Register
Sola 2788.000 2762.400 Lloyds Register
Valhall Mesozoic 2877.000 2851.381 Lloyds Register
Humber Mesozoic 3135.000 3109.249 Lloyds Register
Kimmeridge Clay 3135.000 3109.249 Lloyds Register
Heather Mesozoic 3180.000 3154.217 Lloyds Register
Fulmar Mesozoic 3182.000 3156.216 Lloyds Register
Smith Bank Mesozoic 3195.000 3169.206 Lloyds Register
Heron Palaeozoic 3195.000 3169.206 Lloyds Register

Lithology Intervals

21/13a- 3 Curve: SANDCOUNT 75 intervals  ·  MD 138.836 – 3195.523 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (49)
Limestone (26)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/13a- 3 4 9 0 26 13 2 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (29)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/13a- 3 Cuttings 740.66 3597.25 -- -- .
21/13a- 3 Core #1 3191.26 3199.94 φ 10.7% (n=12) · Density 2.75 (n=12) · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE; SILTSTONE-NO ANALYSIS | SST BRN VFGR-SLT WL SIL CMT DOL FRAC; SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC .
21/13a- 3 ↳ Plug 02 3191.561 -- φ 8.6% · Density 2.73 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 03 3191.866 -- φ 12.1% · Density 2.74 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 04 3192.17 -- φ 3.6% · Density 2.80 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 05 3192.475 -- φ 14.4% · Density 2.78 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 06 3192.78 -- φ 11.6% · Density 2.78 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 07 3193.085 -- φ 12.8% · Density 2.74 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 08 3193.39 -- φ 11.3% · Density 2.73 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 09 3193.694 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 10 3193.999 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 11 3194.304 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 12 3194.609 -- φ 11.9% · Density 2.76 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST BRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 13 3194.914 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 14 3195.218 -- φ 9.6% · Density 2.76 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST BRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 15 3195.523 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 16 3195.828 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 17 3196.133 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 18 3196.438 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 19 3196.742 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 20 3197.047 -- φ 11.8% · Density 2.75 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST BRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 21 3197.352 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 22 3197.657 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 23 3197.962 -- φ 10.3% · Density 2.73 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST BRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 24 3198.266 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 25 3198.571 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 26 3198.876 -- φ 10.6% · Density 2.73 · CORE LABORATORIES U.K.,LTD. NO PERMEABILITY DUE TO SAMPLE DAMAGE | SST GRY/GRN VFGR-SLT WL SIL CMT DOL FRAC --
21/13a- 3 ↳ Plug 27 3199.181 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --
21/13a- 3 ↳ Plug 28 3199.486 -- CORE LABORATORIES U.K.,LTD. SILTSTONE-NO ANALYSIS --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/13a- 3 112.47119903564453 3604.260009765625 11 0 2026-08-06 10:13:44.508058+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/13a- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1852.5744000000002 3604.26 11495
caliper CALI CGG Digital Well Logs 1852.5744000000002 3604.26 11495
comp_sonic DT CGG Digital Well Logs 726.9480000000001 3591.4584 16244
deep_resistivity ILD CGG Digital Well Logs 727.71 3602.1264 16365
density_correction DRHO CGG Digital Well Logs 1852.5744000000002 3604.26 11495
gamma_ray GR CGG Digital Well Logs 112.47120000000001 3594.8112 22851
gamma_ray GRD CGG Digital Well Logs 1832.9148 3594.8112 11562
med_resistivity ILM CGG Digital Well Logs 727.5576000000001 3603.3456 16384
neutron_por NPHI CGG Digital Well Logs 1852.5744000000002 3599.3832 11463
pef PEF CGG Digital Well Logs 1852.7268000000001 3193.0848 8796
shallow_resistivity SFLU CGG Digital Well Logs 728.472 1472.9460000000001 4886
sp SP CGG Digital Well Logs 727.2528000000001 1474.1652000000001 4902

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/13a- 3 102 3604.565 3578.486 D:\BigSpatial\nsta_raw\CGG_Deviation\21-13a-3 12211aq-CGG_Deviation.xlsx

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