Well Data Manager / Well Summary / 21/13b- 2

21/13b- 2

Decommissioned

Well Header

Well No
21/13b- 2
NSTA DEN No
2217
Well Name
--
Drill Seq No
2
Quadrant / Block
21 / 13 b
Surface Location
57.564321, 0.581488
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P349
Licence Type
Production
Spud Date
1983-09-08
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/13b- 2 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
85.04
TD MD (m)
3753.612
TD TVDSS (m)
3753.612
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1983-09-08
TD Reached
1983-12-25
Completion Date
1984-01-12
Release Date
1988-01-12

Formation Tops (24)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/13b- 2 Stronsay Cenozoic 1820.000 1794.092 Lloyds Register
Horda Cenozoic 1820.000 1794.092 Lloyds Register
Moray Mesozoic 2039.000 2013.092 Lloyds Register
Balder Cenozoic 2039.000 2013.092 Lloyds Register
Balder Tuff Cenozoic 2040.000 2014.092 Lloyds Register
Sele Mesozoic 2060.000 2034.092 Lloyds Register
Cromarty Sandstone Cenozoic 2073.000 2047.092 Lloyds Register
Forties Sandstone Mesozoic 2139.000 2113.092 Lloyds Register
Lista Mesozoic 2394.000 2368.092 Lloyds Register
Montrose Mesozoic 2394.000 2368.092 Lloyds Register
Balmoral Sandstone Cenozoic 2433.000 2407.092 Lloyds Register
Maureen Mesozoic 2495.000 2469.092 Lloyds Register
Chalk Mesozoic 2545.000 2519.092 Lloyds Register
Ekofisk Mesozoic 2545.000 2519.092 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2635.000 2609.092 Lloyds Register
Cromer Knoll Mesozoic 3167.000 3141.092 Lloyds Register
Rodby Mesozoic 3167.000 3141.092 Lloyds Register
Sola 3189.000 3163.092 Lloyds Register
Valhall Mesozoic 3300.000 3274.092 Lloyds Register
Humber Mesozoic 3580.000 3554.092 Lloyds Register
Kimmeridge Clay 3580.000 3554.092 Lloyds Register
Fulmar Mesozoic 3645.000 3619.092 Lloyds Register
Zechstein Palaeozoic 3682.000 3656.092 Lloyds Register
Turbot Anhydrite Palaeozoic 3682.000 3656.092 Lloyds Register

Lithology Intervals

21/13b- 2 Curve: SANDCOUNT 57 intervals  ·  MD 2073.097 – 3683.965 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (43)
Limestone (14)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/13b- 2 7 13 4 41 24 3 3 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/13b- 2 Oil shows OS Pentland Formation 3646.0176 -- 34 m thick

Rock Samples (25)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/13b- 2 Cuttings 222.5 3761.23 -- -- .
21/13b- 2 Core #1 3537.2 3546.56 CORE LABORATORIES UK LTD. NO ANALYSIS sidetrack 1 .
21/13b- 2 ↳ Core Plug #1 3537.204 -- CORE LABORATORIES UK LTD. NO ANALYSIS --
21/13b- 2 ↳ Core Plug #1 3546.348 -- CORE LABORATORIES UK LTD. NO ANALYSIS --
21/13b- 2 Core #2 3649.07 3667.11 CORE LABORATORIES UK LTD. NO ANALYSIS sidetrack 1 .
21/13b- 2 ↳ Core Plug #2 3667.049 -- CORE LABORATORIES UK LTD. NO ANALYSIS --
21/13b- 2 Core #3 3667.11 3685.98 φ 8.6% (n=18) · Kh 12.8 mD (n=16) · Density 2.85 (n=18) · CORE LABORATORIES UK LTD. Damaged | BRC CALCT SLTST FRAC LT GY MX SIL LY GY FG SIL CMT PY; BRC LT MD GY FRAG LT GY SS VPG MX SIL FG MICA PY LAM; BRC LT MD GY LT GY SS FRAG MX DK GY VFG SD MICA PY; EVAP DK XLN MAGNESITE (FE) ANK TR SID; SLTST MD GY MICA PYR; SLTST MD GY MICA PYR V HLY FRAC; SLTST SS MD GY VFG MICA DONT LAM OCC VFG SS SLTSTS PYR; SS BRC LT MD GY FG/VFG MX MICA PYR; SS DK GY FG VFG MICA CL FRAG; SS DK GY FG VFG MICA FRAC PY; SS DK GY VFG MICA PY CH FRAC; SS LT MD GY FG VFG CONV LAM MICA PY sidetrack 1 .
21/13b- 2 ↳ Plug 01 3667.597 -- φ 6.7% · Kh 0.3 mD · Density 2.82 · CORE LABORATORIES UK LTD. SLTST MD GY MICA PYR --
21/13b- 2 ↳ Plug 02 3668.329 -- φ 14.6% · Density 2.81 · CORE LABORATORIES UK LTD. Damaged | SLTST MD GY MICA PYR V HLY FRAC --
21/13b- 2 ↳ Plug 03 3669.213 -- φ 12.6% · Kh 15.0 mD · Density 2.78 · CORE LABORATORIES UK LTD. SLTST SS MD GY VFG MICA DONT LAM OCC VFG SS SLTSTS PYR --
21/13b- 2 ↳ Plug 04 3670.645 -- φ 4.5% · Kh 0.0 mD · Density 2.86 · CORE LABORATORIES UK LTD. BRC CALCT SLTST FRAC LT GY MX SIL LY GY FG SIL CMT PY --
21/13b- 2 ↳ Plug 05 3671.529 -- φ 12.4% · Kh 173.0 mD · Density 2.72 · CORE LABORATORIES UK LTD. SS DK GY FG VFG MICA FRAC PY --
21/13b- 2 ↳ Plug 06 3672.383 -- φ 9.3% · Kh 0.1 mD · Density 2.74 · CORE LABORATORIES UK LTD. SS DK GY VFG MICA PY CH FRAC --
21/13b- 2 ↳ Plug 07 3673.297 -- φ 12.8% · Density 2.69 · CORE LABORATORIES UK LTD. Damaged | SS DK GY FG VFG MICA CL FRAG --
21/13b- 2 ↳ Plug 08 3674.181 -- φ 11.4% · Kh 0.1 mD · Density 2.74 · CORE LABORATORIES UK LTD. SS BRC LT MD GY FG/VFG MX MICA PYR --
21/13b- 2 ↳ Plug 09 3675.035 -- φ 11.5% · Kh 0.4 mD · Density 2.81 · CORE LABORATORIES UK LTD. BRC LT MD GY FRAG LT GY SS VPG MX SIL FG MICA PY LAM --
21/13b- 2 ↳ Plug 10 3675.888 -- φ 9.3% · Kh 12.0 mD · Density 2.80 · CORE LABORATORIES UK LTD. BRC LT MD GY FRAG LT GY SS VPG MX SIL FG MICA PY LAM --
21/13b- 2 ↳ Plug 11 3676.345 -- φ 7.6% · Kh 0.0 mD · Density 2.77 · CORE LABORATORIES UK LTD. SS LT MD GY FG VFG CONV LAM MICA PY --
21/13b- 2 ↳ Plug 12 3677.839 -- φ 7.4% · Kh 0.1 mD · Density 2.79 · CORE LABORATORIES UK LTD. SS LT MD GY FG VFG CONV LAM MICA PY --
21/13b- 2 ↳ Plug 13 3678.601 -- φ 9.9% · Kh 1.8 mD · Density 2.79 · CORE LABORATORIES UK LTD. BRC LT MD GY LT GY SS FRAG MX DK GY VFG SD MICA PY --
21/13b- 2 ↳ Plug 14 3679.424 -- φ 9.1% · Kh 1.1 mD · Density 2.80 · CORE LABORATORIES UK LTD. BRC LT MD GY LT GY SS FRAG MX DK GY VFG SD MICA PY --
21/13b- 2 ↳ Plug 15 3680.643 -- φ 5.0% · Kh 0.0 mD · Density 3.08 · CORE LABORATORIES UK LTD. EVAP DK XLN MAGNESITE (FE) ANK TR SID --
21/13b- 2 ↳ Plug 16 3681.496 -- φ 4.4% · Kh 0.1 mD · Density 3.09 · CORE LABORATORIES UK LTD. EVAP DK XLN MAGNESITE (FE) ANK TR SID --
21/13b- 2 ↳ Plug 17 3682.228 -- φ 3.9% · Kh 0.1 mD · Density 3.10 · CORE LABORATORIES UK LTD. EVAP DK XLN MAGNESITE (FE) ANK TR SID --
21/13b- 2 ↳ Plug 18 3683.569 -- φ 3.0% · Kh 0.1 mD · Density 3.08 · CORE LABORATORIES UK LTD. EVAP DK XLN MAGNESITE (FE) ANK TR SID --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/13b- 2 111.25199890136719 3770.3759765625 9 0 2026-08-06 10:13:59.363699+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/13b- 2
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1937.766 3770.376 12026
caliper C2 CGG Digital Well Logs 677.418 1939.7472 8284
caliper CALI CGG Digital Well Logs 678.0276 3770.376 20292
caliper C1 CGG Digital Well Logs 677.7228 1939.7472 8282
comp_sonic DT CGG Digital Well Logs 209.7024 3762.9084000000003 23308
deep_resistivity ILD CGG Digital Well Logs 209.2452 3770.376 23368
density_correction DRHO CGG Digital Well Logs 1937.766 3770.376 12026
gamma_ray GR CGG Digital Well Logs 111.25200000000001 3764.5848 23973
neutron_por NPHI CGG Digital Well Logs 1937.766 3765.1944000000003 11992
shallow_resistivity SFLU CGG Digital Well Logs 208.6356 3770.376 23372
sp SP CGG Digital Well Logs 208.788 3770.376 23371

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/13b- 2 0 -- -- --

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