Well Data Manager / Well Summary / 12/27- 2

12/27- 2

Decommissioned

Well Header

Well No

12/27- 2

NSTA DEN No

2249

Well Name

Drill Seq No

Quadrant / Block

12 / 27

Surface Location

58.077187, -2.670619

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

PREMIER OIL EXPLORATION LIMITED

Original Operator

Sub Area Operator

PREMIER OIL EXPLORATION LIMITED

Licence No

P373

Licence Type

Production

Spud Date

1983-10-23

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

12/27- 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

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

32.004

Ground Elev (m)

Water Depth (m)

60.05

TD MD (m)

3276.600

TD TVDSS (m)

3032.455

TD Datum Depth (m)

32.004

TD Datum Type

Kelly Bushing

Spud Date

1983-10-23

TD Reached

1983-12-15

Completion Date

1983-12-22

Release Date

1987-12-22

Formation Tops (22)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
12/27- 2	Lower Cretaceous Undifferentiated	Mesozoic	92.000	59.996	Lloyds Register
	Cromer Knoll	Mesozoic	92.000	59.996	Lloyds Register
	Kimmeridge Clay		956.000	923.996	Lloyds Register
	Humber	Mesozoic	956.000	923.996	Lloyds Register
	Burns Sandstone	Mesozoic	1027.000	994.996	Lloyds Register
	Alness Spiculite	Mesozoic	1508.000	1475.996	Lloyds Register
	Heather	Mesozoic	1508.000	1475.996	Lloyds Register
	Fladen	Mesozoic	1587.000	1554.996	Lloyds Register
	Beatrice		1587.000	1554.996	Lloyds Register
	Dunrobin Bay	Mesozoic	1629.000	1596.996	Lloyds Register
	Lower Jurassic Undifferentiated	Mesozoic	1629.000	1596.996	Lloyds Register
	Heron	Palaeozoic	1740.000	1707.996	Lloyds Register
	Stotfield Calcrete	Mesozoic	1740.000	1707.996	Lloyds Register
	Lossiehead	Mesozoic	1747.000	1714.996	Lloyds Register
	Hopeman Sst		1909.000	1876.996	Lloyds Register
	Zechstein	Palaeozoic	2039.000	2006.996	Lloyds Register
	Bosies Bank	Palaeozoic	2039.000	2006.996	Lloyds Register
	Kupferschiefer	Palaeozoic	2159.000	2126.996	Lloyds Register
	Auk		2160.000	2127.996	Lloyds Register
	Rotliegend		2160.000	2127.996	Lloyds Register
	Old Red Sandstone		3064.000	3031.996	Lloyds Register
	Old Red	Palaeozoic	3064.000	3031.996	Lloyds Register

Lithology Intervals

12/27- 2 Curve: SANDCOUNT 52 intervals · MD 584.606 – 3240.634 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...

Sandstone (51)

Limestone (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
12/27- 2	8	12	2	30	22	6	1	1	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
12/27- 2	Oil shows	OS	BARN	1580.3880000000001	--	6 m thick
12/27- 2	Oil shows	OS	BARG	1586.4840000000002	--	42 m thick

Rock Samples (23)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
12/27- 2	Cuttings	467.87	3276.6	--	--	.
12/27- 2	Core #1	1581.3	1592.34	φ 13.2% (n=18) · Kh 21.6 mD (n=17) · Kv 19.4 mD (n=18) · So 0.0% (n=18) · Sw 87.6% (n=18) · Density 2.75 (n=18) · FSP 10.3 (n=18) · CORE LABORATORIES INC.	30% LT, GY F, SANDY OO - MICR. 70% F-C P. SOR LT GY SS W/CALC CMT.; BUFF VOLC (?) ROCK. WH. ZEOLITES FILL VEINS NOT PRESENT IN MINOR SANDY MTX. VOLC ROCK HOSTS C Q GRNS W LITHFD, N/C CMT.; CALC SS LT GY F STKY CALC SS. MIC FLKS.; CALC SS LT GY F-M MOD SOR CALC SS, OCC THIN BIOFRAGS. DK STKS DUE TO DIFF CONCS OF CALC CMT. W LITHFD. INC IN DK STKS, OCC PY, THIN BIOFRAGS.; DK GY SANDY MST. MOT DUE TO C WH SUBR Q GRNS. W. LITHFD, N/C CMT. SUBP. ORTN OF DK ANG MIN.; DK GY V/F SLTY SS. IRREG STLY SLKS SHOW SUBP. ORTN. OCC DISP. CARB SPKS. W LITHFD. MINOR CALC CMT.; F GY STKY BIOCL SS. MINOR CALC CMT LONG, THIN BIOFRAGS (10% R.V.); GY BIOTURB SS, TR CALC CMT, F DK STKS W/OCC CARB SPKS.; GY SANDY BIOCL LST, WH/BLUE ROBUST UNORTD BIVS (30% R.V.) IN F SHELLY AND F-C Q MTX W/ CALC CMT. PY CANCS AROUND AND ALONG FOLIAE OF BIOCLS, AND AS PATCHES IN MTX.; LST GY SANDY BIOCL LST, WH/BLUE ROBUST UNORTD BIVS (30% R.V.) IN F SHELLY AND F-C Q MTX W/ CALC CMT. PY CANCS AROUND AND ALONG FOLIAE OF BIOCLS, AND AS PATCHES IN MTX. MTX IS LTER GY, BIOFRAGS (20% R.; LT BRN C W SOR SS. GRNS SUBA- SUBR. PATCHY CMT OPEN PORE SPACES; LT AREAS DUE TO CALC CMT.; LT GY F STKY CALC SS. MIC FLKS.; LT GY F-M MOD SOR CALC SS, OCC THIN BIOFRAGS. DK STKS DUE TO DIFF CONCS OF CALC CMT. W LITHFD.; LT, GY P, SOR, SS W/PATCHES LT BRN MUD, W LITHFD, CALC CMT.; PRESERVED SAMPLE; SANDY OO-MICR 30% LT, GY F, SANDY OO - MICR. 70% F-C P. SOR LT GY SS W/CALC CMT. W/V/W RND M-C Q LAX DM 1MM AND S, ANG, F Q IN CALC MUD MTX. V/W LITHFD.; SHALE; SS DK GY V/F SLTY SS. IRREG STLY SLKS SHOW SUBP. ORTN. OCC DISP. CARB SPKS. W LITHFD. MINOR CALC CMT. ONE BIOFRAG; SS F GY STKY BIOCL SS. MINOR CALC CMT LONG, THIN BIOFRAGS (10% R.V.) LACKS BIOCLS.; WH. W SOR M CALC SS W/ IRREG CARB STKS.	.
12/27- 2	↳ Core Plug #1	1581.302	--	CORE LABORATORIES INC.	SHALE	--
12/27- 2	↳ Core Plug #1	1586.484	--	CORE LABORATORIES INC.	SHALE	--
12/27- 2	↳ Plug BNM 18	1586.789	--	φ 17.8% · Kh 7.1 mD · Kv 0.2 mD · So 0.0% · Sw 97.7% · Density 2.78 · FSP 10.6 · CORE LABORATORIES INC.	DK GY SANDY MST. MOT DUE TO C WH SUBR Q GRNS. W. LITHFD, N/C CMT. SUBP. ORTN OF DK ANG MIN.	--
12/27- 2	↳ Plug BNM 19	1587.094	--	φ 23.1% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 94.0% · Density 3.38 · FSP 8.6 · CORE LABORATORIES INC.	BUFF VOLC (?) ROCK. WH. ZEOLITES FILL VEINS NOT PRESENT IN MINOR SANDY MTX. VOLC ROCK HOSTS C Q GRNS W LITHFD, N/C CMT.	--
12/27- 2	↳ Plug BNM 20	1587.398	--	φ 9.4% · Kh 0.1 mD · Kv 0.2 mD · So 0.0% · Sw 93.9% · Density 2.72 · FSP 7.6 · CORE LABORATORIES INC.	LT, GY P, SOR, SS W/PATCHES LT BRN MUD, W LITHFD, CALC CMT.	--
12/27- 2	↳ Plug BNM 21	1587.703	--	φ 13.0% · Kh 0.1 mD · Kv 0.1 mD · So 0.0% · Sw 83.3% · Density 2.76 · FSP 11.1 · CORE LABORATORIES INC.	30% LT, GY F, SANDY OO - MICR. 70% F-C P. SOR LT GY SS W/CALC CMT.	--
12/27- 2	↳ Plug BNM 22	1588.008	--	φ 18.7% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 95.2% · Density 2.93 · FSP 12.1 · CORE LABORATORIES INC.	SANDY OO-MICR 30% LT, GY F, SANDY OO - MICR. 70% F-C P. SOR LT GY SS W/CALC CMT. W/V/W RND M-C Q LAX DM 1MM AND S, ANG, F Q IN CALC MUD MTX. V/W LITHFD.	--
12/27- 2	↳ Plug BNM 23	1588.313	--	φ 9.0% · Kh 0.1 mD · Kv 0.0 mD · So 0.0% · Sw 95.7% · Density 2.77 · FSP 4.7 · CORE LABORATORIES INC.	GY SANDY BIOCL LST, WH/BLUE ROBUST UNORTD BIVS (30% R.V.) IN F SHELLY AND F-C Q MTX W/ CALC CMT. PY CANCS AROUND AND ALONG FOLIAE OF BIOCLS, AND AS PATCHES IN MTX.	--
12/27- 2	↳ Plug BNM 24	1588.618	--	φ 15.0% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 86.0% · Density 2.90 · FSP 13.8 · CORE LABORATORIES INC.	LST GY SANDY BIOCL LST, WH/BLUE ROBUST UNORTD BIVS (30% R.V.) IN F SHELLY AND F-C Q MTX W/ CALC CMT. PY CANCS AROUND AND ALONG FOLIAE OF BIOCLS, AND AS PATCHES IN MTX. MTX IS LTER GY, BIOFRAGS (20% R.	--
12/27- 2	↳ Plug BNM 25	1588.922	--	φ 10.6% · Kh 0.2 mD · Kv 0.1 mD · So 0.0% · Sw 85.4% · Density 2.71 · FSP 10.3 · CORE LABORATORIES INC.	LT GY F-M MOD SOR CALC SS, OCC THIN BIOFRAGS. DK STKS DUE TO DIFF CONCS OF CALC CMT. W LITHFD.	--
12/27- 2	↳ Plug BNM 26	1589.227	--	φ 11.5% · Kh 0.2 mD · Kv 0.1 mD · So 0.0% · Sw 87.9% · Density 2.72 · FSP 13.7 · CORE LABORATORIES INC.	CALC SS LT GY F-M MOD SOR CALC SS, OCC THIN BIOFRAGS. DK STKS DUE TO DIFF CONCS OF CALC CMT. W LITHFD. INC IN DK STKS, OCC PY, THIN BIOFRAGS.	--
12/27- 2	↳ Plug BNM 27	1589.532	--	φ 14.7% · Kh 0.5 mD · Kv 0.3 mD · So 0.0% · Sw 83.9% · Density 2.69 · FSP 13.3 · CORE LABORATORIES INC.	GY BIOTURB SS, TR CALC CMT, F DK STKS W/OCC CARB SPKS.	--
12/27- 2	↳ Plug BNM 28	1589.837	--	φ 12.2% · Kh 0.3 mD · Kv 0.1 mD · So 0.0% · Sw 89.2% · Density 2.62 · FSP 8.5 · CORE LABORATORIES INC.	DK GY V/F SLTY SS. IRREG STLY SLKS SHOW SUBP. ORTN. OCC DISP. CARB SPKS. W LITHFD. MINOR CALC CMT.	--
12/27- 2	↳ Plug BNM 29	1590.142	--	φ 9.5% · Kv 0.1 mD · So 0.0% · Sw 88.6% · Density 2.62 · FSP 4.5 · CORE LABORATORIES INC.	SS DK GY V/F SLTY SS. IRREG STLY SLKS SHOW SUBP. ORTN. OCC DISP. CARB SPKS. W LITHFD. MINOR CALC CMT. ONE BIOFRAG	--
12/27- 2	↳ Plug BNM 30	1590.446	--	φ 11.5% · Kh 0.9 mD · Kv 0.3 mD · So 0.0% · Sw 90.0% · Density 2.64 · FSP 10.4 · CORE LABORATORIES INC.	F GY STKY BIOCL SS. MINOR CALC CMT LONG, THIN BIOFRAGS (10% R.V.)	--
12/27- 2	↳ Plug BNM 31	1590.751	--	φ 5.4% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 89.4% · Density 2.68 · FSP 5.9 · CORE LABORATORIES INC.	SS F GY STKY BIOCL SS. MINOR CALC CMT LONG, THIN BIOFRAGS (10% R.V.) LACKS BIOCLS.	--
12/27- 2	↳ Plug BNM 32	1591.056	--	φ 5.7% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 91.2% · Density 2.67 · FSP 5.4 · CORE LABORATORIES INC.	LT GY F STKY CALC SS. MIC FLKS.	--
12/27- 2	↳ Plug BNM 33	1591.361	--	φ 8.0% · Kh 0.2 mD · Kv 0.0 mD · So 0.0% · Sw 87.7% · Density 2.66 · FSP 4.7 · CORE LABORATORIES INC.	CALC SS LT GY F STKY CALC SS. MIC FLKS.	--
12/27- 2	↳ Plug BNM 34	1591.666	--	CORE LABORATORIES INC.	PRESERVED SAMPLE	--
12/27- 2	↳ Plug BNM 35	1591.97	--	φ 19.2% · Kh 287.0 mD · Kv 320.0 mD · So 0.0% · Sw 70.6% · Density 2.62 · FSP 19.7 · CORE LABORATORIES INC.	LT BRN C W SOR SS. GRNS SUBA- SUBR. PATCHY CMT OPEN PORE SPACES; LT AREAS DUE TO CALC CMT.	--
12/27- 2	↳ Plug BNM 36	1592.275	--	φ 23.9% · Kh 69.7 mD · Kv 27.0 mD · So 0.0% · Sw 67.4% · Density 2.65 · FSP 21.2 · CORE LABORATORIES INC.	WH. W SOR M CALC SS W/ IRREG CARB STKS.	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
12/27- 2	89.61119842529297	3278.428955078125	10	0	2026-08-06 07:42:51.644025+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

12/27- 2

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	456.13320000000004	3278.2764	18503
caliper	CALI	CGG Digital Well Logs	456.13320000000004	3277.2096	18497
comp_sonic	DT	CGG Digital Well Logs	456.13320000000004	3268.0656000000004	18368
deep_resistivity	ILD	CGG Digital Well Logs	456.28560000000004	3277.6668	18485
density_correction	DRHO	CGG Digital Well Logs	456.13320000000004	3278.4288	18506
gamma_ray	GR	CGG Digital Well Logs	89.61120000000001	3270.1992	20871
gamma_ray	GRD	CGG Digital Well Logs	456.13320000000004	3269.1324	18459
neutron_por	NPHI	CGG Digital Well Logs	456.13320000000004	3271.7232000000004	18418
pef	PEF	CGG Digital Well Logs	1465.0212000000001	3271.5708	11673
shallow_resistivity	SFLU	CGG Digital Well Logs	456.43800000000005	3277.6668	18485
sp	SP	CGG Digital Well Logs	456.13320000000004	3265.4748	18435

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
12/27- 2	0	--	--	--

12/27- 2

Well Header

Wellbores (1)

Formation Tops (22)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (23)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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