Well Data Manager / Well Summary / 16/21a- 10

16/21a- 10

Present

Well Header

Well No

16/21a- 10

NSTA DEN No

2304

Well Name

Drill Seq No

Quadrant / Block

16 / 21 a

Surface Location

58.216073, 1.117372

Source Datum

ED50

Subsea Well

Yes

Platform

Slot No

Operator

PREMIER OIL E&P UK LIMITED

Original Operator

Sub Area Operator

PREMIER OIL E&P UK LIMITED

Licence No

P201

Licence Type

Production

Spud Date

1984-01-25

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

16/21a- 10 Original

Abandoned Phase 1 Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Injector

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.298

Ground Elev (m)

Water Depth (m)

145.69

TD MD (m)

1548.384

TD TVDSS (m)

1523.080

TD Datum Depth (m)

25.298

TD Datum Type

Kelly Bushing

Spud Date

1984-01-25

TD Reached

1984-03-05

Completion Date

1984-03-06

Release Date

1988-03-06

16/21a- 10Z Sidetrack Z parent: 16/21a- 10

Plugged Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Injector

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

25.298

Ground Elev (m)

Water Depth (m)

145.69

TD MD (m)

2392.680

TD TVDSS (m)

2230.526

TD Datum Depth (m)

25.298

TD Datum Type

Kelly Bushing

Spud Date

1984-03-09

TD Reached

1984-04-02

Completion Date

1984-04-13

Release Date

1988-04-13

Formation Tops (22)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
16/21a- 10	Horda	Cenozoic	1600.000	1574.702	Lloyds Register
	Stronsay	Cenozoic	1600.000	1574.702	Lloyds Register
	Balder Tuff	Cenozoic	2082.000	2056.702	Lloyds Register
	Balder	Cenozoic	2082.000	2056.702	Lloyds Register
	Moray	Mesozoic	2082.000	2056.702	Lloyds Register
	Sele	Mesozoic	2111.000	2085.702	Lloyds Register
	Montrose	Mesozoic	2164.000	2138.702	Lloyds Register
	Lista	Mesozoic	2164.000	2138.702	Lloyds Register
	Balmoral Sandstone	Cenozoic	2190.000	2164.702	Lloyds Register
	Andrew Sandstone	Cenozoic	2302.000	2276.702	Lloyds Register
	Maureen Sandstone	Mesozoic	2365.000	2339.702	Lloyds Register
	Maureen	Mesozoic	2365.000	2339.702	Lloyds Register
	Chalk	Mesozoic	2390.000	2364.702	Lloyds Register
	Ekofisk	Mesozoic	2390.000	2364.702	Lloyds Register
16/21a- 10Z	Hordaland	Cenozoic	1548.000	1522.702	BGS LithoStrat Upper
	Hordaland	Cenozoic	1594.000	1568.702	BGS LithoStrat Upper
	Hordaland	Cenozoic	1652.000	1626.702	BGS LithoStrat Upper
	Hordaland	Cenozoic	2018.000	1992.702	BGS LithoStrat Upper
	Balder	Cenozoic	2112.000	2086.702	BGS LithoStrat Upper
	Sele	Mesozoic	2153.000	2127.702	BGS LithoStrat Upper
	Forties Formation Equivalent		2219.000	2193.702	BGS LithoStrat Upper
	Forties	Mesozoic	2269.000	2243.702	BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
16/21a- 10	4	6	4	16	14	1	3	0	0	View
16/21a- 10Z	0	0	0	8	8	1	0	0	3	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
16/21a- 10Z	DST	DST 1	--	2269.2	2309.8	Not used for labelling, multiple DSTs in same play / Balmoral
16/21a- 10Z	DST	DST 2	--	2269.3	2309.8	Not used for labelling, multiple DSTs in same play / Balmoral
16/21a- 10Z	DST	DST 1A	--	2269.3	2309.8	Label / Balmoral

Rock Samples (33)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
16/21a- 10	Core #1	2210.41	2219.95	φ 22.7% (n=29) · Kh 329.8 mD (n=29) · Kv 247.1 mD (n=23) · So 38.8% (n=26) · Sw 42.3% (n=26) · Density 2.65 (n=29) · FSP 22.5 (n=26) · ROBERTSON RESEARCH INTERNATIONAL LIMITED	NVP; No Sample Possible; SHALE \| SST; GY, F, MOD CLAY-SLT MTX, MOD SRTD, PR-MOD CMTD; GD POROSITY, EXCEPT MOD CMTD.; SST; GY, F, MOD CLAY-SLT MTX, MOD SRTD, PR-MOD CMTD; GD POROSITY.; SST; GY, F, MOD CLAY-SLT MTX, PR-MOD SRTD, PR-MOD CMTD; MOD POROSITY.; SST; GY, F, MOD CLAY-SLT MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.; SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; GD POROSITY.; SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; MOD-GD POROSITY, EXCEPT F-MED AND INCLUDES CLOSED FRAC.; SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; MOD-GD POROSITY.; SST; GY, F, OCC VF MTX, MOD SRTD, PRLY CMTD, RR WH CLAY MIN; GD POROSITY, EXCEPT F-MED.; SST; GY, F, OCC VF MTX, MOD SRTD, PRLY CMTD, RR WH CLAY MIN; GD POROSITY.; SST; GY, F-MED, MOD CLAY-SIT MTX, PR-MOD SRTD, MOD CMTD; MOD-GC POROSITY.; SST; GY, F-MED, MOD CLAY-SLT MTX, PR-MOD SRTD, MOD CMTD; MOD-GC POROSITY.; SST; GY, F-MED, MOD SLTY MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.; SST; GY, F-MED, MOD SRTD, MOD CMTD, OCC WH CLAY MIN; GD POROSITY, EXCEPT INCLUDES TR NOD PYR.; SST; GY, F-MED, MOD SRTD, MOD CMTD, OCC WH CLAY MIN; GD POROSITY.; SST; GY, F-MED, MOD-COMM SLTY-VF MTX, PRLY SRTD, PR-MOD CMTD; GD POROSITY.; SST; GY, F-MED, OCC SLTY MTX, PR-MOD SRTD, MOD-WELL CMTD BY CAL, OCC GRN SIZED ARGILL MAT; V PR POROSITY.; SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY, EXCEPT F AND INCLUDES OCC GRN SIZED ARGILL MAT.; SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY, EXCEPT INCLUDES OCC GRN SIZED ARGILL MAT.; SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY.; SST; GY, F-MED, OCC VF MTX, PRLY SRTD, MOD CMTD; GD POROSITY.; SST; GY, F-MED, OCC VF MTX, PRLY SRTD, PRLY CMTD, RR WH CLAY MIN, TR PYR; GD POROSITY, EXCEPT PR-MOD CMTD.; SST; GY, F-MED, OCC VF MTX, PRLY SRTD, PRLY CMTD, RR WH CLAY MIN, TR PYR; GD POROSITY.; SST; GY, F-MED, PRLY SRTD, MOD CMTD, OCC NOD PYR; GD POROSITY.; SST; GY, F-MED, RR SLTY-VF MTX, MOD SRTD, MOD CMTD; GD POROSITY.; SST; GY, MED, MOD CLAY-SLT MTX, RR LAM WITH NO MTX, PRLY SRTD, PRLY CMTD; GD POROSITY WITH NO LAM.; SST; GY, MED, MOD CLAY-SLT MTX, RR LAM WITH NO MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.; SST; GY, VF-MED, V PRLY SRTD, PR-MOD CMTD, OCC ARGILL MAT; GD POROSITY.	.
16/21a- 10	↳ Plug 01	2210.41	--	φ 2.6% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 57.6% · Density 2.69 · FSP 2.2 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY.	--
16/21a- 10	↳ Plug 02	2210.714	--	φ 3.1% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 69.0% · Density 2.69 · FSP 3.0 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY, EXCEPT F AND INCLUDES OCC GRN SIZED ARGILL MAT.	--
16/21a- 10	↳ Plug 03	2211.019	--	φ 3.8% · Kh 0.0 mD · Kv 0.0 mD · So 4.4% · Sw 52.2% · Density 2.69 · FSP 2.4 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, OCC SLTY-VF MTX, PR-MOD SRTD, WELL CMTD BY CAL; V PR POROSITY, EXCEPT INCLUDES OCC GRN SIZED ARGILL MAT.	--
16/21a- 10	↳ Plug 04	2211.324	--	φ 3.9% · Kh 0.0 mD · Kv 0.0 mD · Density 2.70 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	No Sample Possible \| SST; GY, F-MED, OCC SLTY MTX, PR-MOD SRTD, MOD-WELL CMTD BY CAL, OCC GRN SIZED ARGILL MAT; V PR POROSITY.	--
16/21a- 10	↳ Plug 05	2211.629	--	ROBERTSON RESEARCH INTERNATIONAL LIMITED	SHALE	--
16/21a- 10	↳ Plug 06	2211.934	--	φ 30.9% · Kh 790.0 mD · Kv 801.0 mD · So 47.7% · Sw 34.2% · Density 2.66 · FSP 30.0 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, OCC VF MTX, MOD SRTD, PRLY CMTD, RR WH CLAY MIN; GD POROSITY.	--
16/21a- 10	↳ Plug 07	2212.238	--	φ 29.7% · Kh 617.0 mD · So 44.6% · Sw 28.6% · Density 2.64 · FSP 29.0 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	NVP \| SST; GY, F, OCC VF MTX, MOD SRTD, PRLY CMTD, RR WH CLAY MIN; GD POROSITY, EXCEPT F-MED.	--
16/21a- 10	↳ Plug 08	2212.543	--	φ 28.6% · Kh 716.0 mD · So 45.0% · Sw 25.8% · Density 2.64 · FSP 28.1 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	NVP \| SST; GY, F, OCC VF MTX, MOD SRTD, PRLY CMTD, RR WH CLAY MIN; GD POROSITY.	--
16/21a- 10	↳ Plug 09	2212.848	--	φ 28.5% · Kh 669.0 mD · So 48.1% · Sw 24.4% · Density 2.64 · FSP 29.1 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	NVP \| SST; GY, F-MED, OCC VF MTX, PRLY SRTD, PRLY CMTD, RR WH CLAY MIN, TR PYR; GD POROSITY.	--
16/21a- 10	↳ Plug 10	2213.153	--	φ 29.0% · Kh 781.0 mD · Density 2.64 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	No Sample Possible \| SST; GY, F-MED, OCC VF MTX, PRLY SRTD, PRLY CMTD, RR WH CLAY MIN, TR PYR; GD POROSITY, EXCEPT PR-MOD CMTD.	--
16/21a- 10	↳ Plug 11	2213.458	--	φ 32.3% · Kh 831.0 mD · Density 2.64 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	No Sample Possible \| SST; GY, F, MOD CLAY-SLT MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 12	2213.762	--	φ 27.6% · Kh 493.0 mD · Kv 1030.0 mD · So 36.1% · Sw 55.4% · Density 2.65 · FSP 26.9 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, MED, MOD CLAY-SLT MTX, RR LAM WITH NO MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 13	2214.067	--	φ 27.2% · Kh 594.0 mD · So 48.0% · Sw 43.1% · Density 2.64 · FSP 28.3 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	NVP \| SST; GY, MED, MOD CLAY-SLT MTX, RR LAM WITH NO MTX, PRLY SRTD, PRLY CMTD; GD POROSITY WITH NO LAM.	--
16/21a- 10	↳ Plug 14	2214.372	--	φ 28.0% · Kh 915.0 mD · Kv 924.0 mD · So 56.5% · Sw 35.7% · Density 2.64 · FSP 27.6 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, VF-MED, V PRLY SRTD, PR-MOD CMTD, OCC ARGILL MAT; GD POROSITY.	--
16/21a- 10	↳ Plug 15	2214.677	--	φ 26.7% · Kh 484.0 mD · Kv 669.0 mD · So 49.6% · Sw 39.7% · Density 2.64 · FSP 26.4 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD SLTY MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 16	2214.982	--	φ 26.5% · Kh 317.0 mD · Kv 319.0 mD · So 47.4% · Sw 36.2% · Density 2.65 · FSP 27.4 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD SLTY MTX, PRLY SRTD, PRLY CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 17	2215.286	--	φ 25.1% · Kh 364.0 mD · Kv 272.0 mD · So 49.8% · Sw 39.3% · Density 2.64 · FSP 26.7 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, PRLY SRTD, MOD CMTD, OCC NOD PYR; GD POROSITY.	--
16/21a- 10	↳ Plug 18	2215.591	--	φ 26.3% · Kh 393.0 mD · Kv 411.0 mD · So 46.5% · Sw 42.4% · Density 2.64 · FSP 25.3 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, OCC VF MTX, PRLY SRTD, MOD CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 19	2215.896	--	φ 25.4% · Kh 378.0 mD · Kv 302.0 mD · So 45.9% · Sw 42.6% · Density 2.64 · FSP 26.3 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD SRTD, MOD CMTD, OCC WH CLAY MIN; GD POROSITY.	--
16/21a- 10	↳ Plug 20	2216.201	--	φ 24.9% · Kh 285.0 mD · Kv 395.0 mD · So 45.6% · Sw 37.3% · Density 2.64 · FSP 27.0 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD SRTD, MOD CMTD, OCC WH CLAY MIN; GD POROSITY, EXCEPT INCLUDES TR NOD PYR.	--
16/21a- 10	↳ Plug 21	2216.506	--	φ 24.9% · Kh 267.0 mD · Kv 101.0 mD · So 53.8% · Sw 33.9% · Density 2.64 · FSP 24.7 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD-COMM SLTY-VF MTX, PRLY SRTD, PR-MOD CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 22	2216.81	--	φ 24.8% · Kh 274.0 mD · Kv 227.0 mD · So 51.0% · Sw 38.3% · Density 2.64 · FSP 23.5 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, RR SLTY-VF MTX, MOD SRTD, MOD CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 23	2217.115	--	φ 22.1% · Kh 74.0 mD · Kv 54.0 mD · So 38.1% · Sw 43.6% · Density 2.64 · FSP 20.2 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 24	2217.42	--	φ 22.6% · Kh 63.0 mD · Kv 27.0 mD · So 43.6% · Sw 44.7% · Density 2.64 · FSP 21.5 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, MOD CLAY-SLT MTX, MOD SRTD, PR-MOD CMTD; GD POROSITY.	--
16/21a- 10	↳ Plug 25	2217.725	--	φ 23.9% · Kh 83.0 mD · Kv 63.0 mD · So 44.1% · Sw 41.9% · Density 2.64 · FSP 24.9 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, MOD CLAY-SLT MTX, MOD SRTD, PR-MOD CMTD; GD POROSITY, EXCEPT MOD CMTD.	--
16/21a- 10	↳ Plug 26	2218.03	--	φ 24.0% · Kh 65.0 mD · Kv 10.0 mD · So 27.6% · Sw 51.0% · Density 2.64 · FSP 21.5 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD CLAY-SLT MTX, PR-MOD SRTD, MOD CMTD; MOD-GC POROSITY.	--
16/21a- 10	↳ Plug 27	2218.334	--	φ 21.4% · Kh 8.0 mD · Kv 12.0 mD · So 27.4% · Sw 54.9% · Density 2.64 · FSP 21.4 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F-MED, MOD CLAY-SIT MTX, PR-MOD SRTD, MOD CMTD; MOD-GC POROSITY.	--
16/21a- 10	↳ Plug 28	2218.639	--	φ 22.6% · Kh 38.0 mD · Kv 29.0 mD · So 32.5% · Sw 50.6% · Density 2.65 · FSP 19.7 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, MOD CLAY-SLT MTX, PR-MOD SRTD, PR-MOD CMTD; MOD POROSITY.	--
16/21a- 10	↳ Plug 29	2218.944	--	φ 21.7% · Kh 51.0 mD · Kv 28.0 mD · So 43.8% · Sw 41.0% · Density 2.65 · FSP 19.0 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; MOD-GD POROSITY.	--
16/21a- 10	↳ Plug 30	2219.249	--	φ 19.0% · Kh 14.0 mD · Kv 9.1 mD · So 31.7% · Sw 35.7% · Density 2.65 · FSP 22.7 · ROBERTSON RESEARCH INTERNATIONAL LIMITED	SST; GY, F, OCC SLTY MTX, MOD SRTD, MOD CMTD; MOD-GD POROSITY, EXCEPT F-MED AND INCLUDES CLOSED FRAC.	--
16/21a- 10	Core #2	2240.28	2249.85	--	--	.
16/21a- 10	Core #3	2249.73	2251.47	--	--	.

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

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
16/21a- 10	0	--	--	--
16/21a- 10Z	0	--	--	--

16/21a- 10

Well Header

Wellbores (2)

Formation Tops (22)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (33)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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