Well Data Manager / Well Summary / 15/20- 1

15/20- 1

Decommissioned

Well Header

Well No

15/20- 1

NSTA DEN No

674

Well Name

Drill Seq No

Quadrant / Block

15 / 20

Surface Location

58.481542, 0.964922

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

BRITOIL LIMITED

Original Operator

Sub Area Operator

BRITOIL LIMITED

Licence No

P196

Licence Type

Production

Spud Date

1975-02-04

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

15/20- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

29.992

Ground Elev (m)

Water Depth (m)

142.95

TD MD (m)

2001.012

TD TVDSS (m)

0.000

TD Datum Depth (m)

29.992

TD Datum Type

Kelly Bushing

Spud Date

1975-02-04

TD Reached

1975-03-07

Completion Date

1975-03-14

Release Date

1979-03-14

Formation Tops (16)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
15/20- 1	Horda	Cenozoic	1120.000	1090.008	Lloyds Register
	Grid Sandstone	Cenozoic	1120.000	1090.008	Lloyds Register
	Stronsay	Cenozoic	1120.000	1090.008	Lloyds Register
	Caran Sanstone		1463.000	1433.008	Lloyds Register
	Balder	Cenozoic	1811.000	1781.008	Lloyds Register
	Moray	Mesozoic	1811.000	1781.008	Lloyds Register
	Balder Tuff	Cenozoic	1811.000	1781.008	Lloyds Register
	Sele	Mesozoic	1823.000	1793.008	Lloyds Register
	Lista	Mesozoic	1856.000	1826.008	Lloyds Register
	Montrose	Mesozoic	1856.000	1826.008	Lloyds Register
	Maureen	Mesozoic	1937.000	1907.008	Lloyds Register
	Maureen Sandstone	Mesozoic	1956.000	1926.008	Lloyds Register
	Chalk	Mesozoic	1974.000	1944.008	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	1974.000	1944.008	Lloyds Register
	Old Red Sandstone		1977.000	1947.008	Lloyds Register
	Old Red	Palaeozoic	1977.000	1947.008	Lloyds Register

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
15/20- 1	5	7	4	13	16	2	5	1	0	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
15/20- 1	Oil shows	OS	GP1	1955.4962160000002	--	19 m thick
15/20- 1	Oil shows	OS	*	1974.3968640000003	--	2 m thick
15/20- 1	Oil shows	OS	*	1976.59752	--	51 m thick

Rock Samples (55)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
15/20- 1	Cuttings	250.0	2024.97	--	--	.
15/20- 1	Core #1	1963.8	1968.25	Kh 1661.0 mD (n=1) · So 14.4% (n=2) · Sw 18.6% (n=2) · FSP 29.1 (n=2) · CORE LABORATORIES,INC.	NO PLUG POSSIBLE \| SS, LT GY-GY, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, SL ARG IN PT.	sand / well re-boxed (originally curated Mar`76)
15/20- 1	↳ Plug 01	1968.0	--	Kh 1661.0 mD · So 15.1% · Sw 25.7% · FSP 28.4 · CORE LABORATORIES,INC.	SS, LT GY-GY, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, SL ARG IN PT.	--
15/20- 1	↳ Plug 02	1968.2	--	So 13.7% · Sw 11.4% · FSP 29.9 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	Core #2	1968.3	1976.25	φ 25.4% (n=12) · Kh 1320.2 mD (n=17) · So 15.3% (n=16) · Sw 30.7% (n=16) · Density 2.67 (n=12) · FSP 28.0 (n=16) · CORE LABORATORIES,INC.	NO PLUG POSSIBLE \| SS, LT BRN, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD.; SS, LT BRN, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, TR MICA.; SS, LT BRN-LT GY-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA.; SS, LT GY-GY, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, SL ARG IN PT.; SS, LT GY-GY, VF-F-OCC MG, MOD STD, MOD FRI, W/SLTY MX, TR MICA, SL TR CARB INCLS.; SS, LT GY-LT BRN, F-MG, MOD STD, MOD CONS, TR MICA, TR PY.; SS, LT GY-LT BRN-OCC GY, F-M-CG, P STD, MOD CONS, W/ LT BRN SLTY MX, SUBANG-SUBRDD, SL TR MICA.; SS, LT GY-LT BRN-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA, R PY.; SS, LT GY-LT BRN-OCC GY, F-M-OCC EG, P STD, MOD FRI, TR MICA, R PY.; SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.; SS, LT GY-OCC GY, F-M-OCC EG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA, SL TR CARB INCLS.	sand
15/20- 1	↳ Plug 2A	1968.3	--	φ 27.0% · Kh 682.0 mD · Density 2.68 · CORE LABORATORIES,INC.	SS, LT GY-GY, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, SL ARG IN PT.	--
15/20- 1	↳ Plug 03	1970.4	--	Kh 1633.0 mD · So 13.7% · Sw 37.0% · FSP 29.2 · CORE LABORATORIES,INC.	SS, LT GY-GY, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, SL ARG IN PT.	--
15/20- 1	↳ Plug 04	1970.6	--	So 13.7% · Sw 27.0% · FSP 31.5 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 05	1971.3	--	Kh 1197.0 mD · So 19.1% · Sw 27.3% · FSP 30.4 · CORE LABORATORIES,INC.	SS, LT BRN, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD.	--
15/20- 1	↳ Plug 5B	1971.35	--	φ 27.0% · Kh 1583.0 mD · Density 2.68 · CORE LABORATORIES,INC.	SS, LT BRN, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD.	--
15/20- 1	↳ Plug 06	1971.6	--	φ 24.8% · Kh 2062.0 mD · So 18.8% · Sw 16.4% · Density 2.67 · FSP 25.6 · CORE LABORATORIES,INC.	SS, LT BRN, F-M-OCC EG, MOD STD, MOD FRI, SUBANG-SUBRDD, TR MICA.	--
15/20- 1	↳ Plug 07	1972.2	--	Kh 1434.0 mD · So 19.8% · Sw 30.1% · FSP 31.3 · CORE LABORATORIES,INC.	SS, LT BRN-LT GY-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA.	--
15/20- 1	↳ Plug 08	1972.25	--	Kh 1884.0 mD · So 14.0% · Sw 29.0% · FSP 28.6 · CORE LABORATORIES,INC.	SS, LT BRN-LT GY-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA.	--
15/20- 1	↳ Plug 8C	1972.3	--	φ 28.8% · Kh 2296.0 mD · Density 2.70 · CORE LABORATORIES,INC.	SS, LT BRN-LT GY-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA.	--
15/20- 1	↳ Plug 09	1972.8	--	φ 25.0% · Kh 1844.0 mD · So 18.5% · Sw 40.7% · Density 2.67 · FSP 23.3 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN-OCC GY, F-M-CG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA, R PY.	--
15/20- 1	↳ Plug 10	1972.9	--	φ 28.3% · Kh 1724.0 mD · So 18.1% · Sw 29.0% · Density 2.66 · FSP 29.3 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN-OCC GY, F-M-CG, P STD, MOD CONS, W/ LT BRN SLTY MX, SUBANG-SUBRDD, SL TR MICA.	--
15/20- 1	↳ Plug 11	1973.0	--	φ 27.0% · Kh 2186.0 mD · So 16.5% · Sw 22.4% · Density 2.67 · FSP 29.0 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN-OCC GY, F-M-OCC EG, P STD, MOD FRI, TR MICA, R PY.	--
15/20- 1	↳ Plug 12	1973.1	--	So 14.3% · Sw 15.9% · FSP 26.5 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 12D	1973.3	--	φ 27.0% · Kh 2063.0 mD · Density 2.66 · CORE LABORATORIES,INC.	SS, LT GY-OCC GY, F-M-OCC EG, P STD, MOD FRI, SUBANG-SUBRDD, TR MICA, SL TR CARB INCLS.	--
15/20- 1	↳ Plug 13	1973.55	--	So 17.5% · Sw 32.0% · FSP 30.3 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 14	1973.7	--	So 14.0% · Sw 29.3% · FSP 30.0 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 15	1974.2	--	So 5.6% · Sw 50.8% · FSP 30.5 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 15E	1974.45	--	φ 26.2% · Kh 75.0 mD · Density 2.66 · CORE LABORATORIES,INC.	SS, LT GY-GY, VF-F-OCC MG, MOD STD, MOD FRI, W/SLTY MX, TR MICA, SL TR CARB INCLS.	--
15/20- 1	↳ Plug 15F	1975.3	--	φ 21.0% · Kh 242.0 mD · Density 2.67 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN, F-MG, MOD STD, MOD CONS, TR MICA, TR PY.	--
15/20- 1	↳ Plug 16	1975.4	--	φ 18.3% · Kh 271.0 mD · So 9.3% · Sw 31.6% · Density 2.69 · FSP 22.5 · CORE LABORATORIES,INC.	SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.	--
15/20- 1	↳ Plug 17	1976.1	--	Kh 417.0 mD · So 12.3% · Sw 30.7% · FSP 26.0 · CORE LABORATORIES,INC.	SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.	--
15/20- 1	↳ Plug 18	1976.2	--	φ 25.0% · Kh 850.0 mD · So 19.9% · Sw 41.9% · Density 2.68 · FSP 24.1 · CORE LABORATORIES,INC.	SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.	--
15/20- 1	Core #3	1976.35	1978.85	φ 24.4% (n=2) · Kh 270.8 mD (n=4) · So 14.3% (n=5) · Sw 46.4% (n=5) · Density 2.67 (n=2) · FSP 23.5 (n=5) · CORE LABORATORIES,INC.	NO PLUG POSSIBLE \| SS, LT GY-GY, VF-F-OCC MG, MOD STD, MOD FRI, SLTY MX, TR MICA, SL TR CARB INCLS.; SS, LT GY-LT BRN, VF-F-MG, P STD, MOD CONS, W/V SL CALC MX, SUBANG-SUBRDD, TR MICA, OCC CARB INCLS.; SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.	sand
15/20- 1	↳ Plug 19	1976.4	--	Kh 526.0 mD · So 20.4% · Sw 46.6% · FSP 31.3 · CORE LABORATORIES,INC.	SS, LT GY-LT GY TN, F-MG, MOD STD, MOD CONS, W/ V LT TN SL CALC SLTY MX, TR MICA, SL TR CARB INCLS, OCC PY.	--
15/20- 1	↳ Plug 20	1977.2	--	φ 23.7% · Kh 526.0 mD · So 16.1% · Sw 38.3% · Density 2.67 · FSP 26.1 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN, VF-F-MG, P STD, MOD CONS, W/V SL CALC MX, SUBANG-SUBRDD, TR MICA, OCC CARB INCLS.	--
15/20- 1	↳ Plug 21	1977.3	--	So 14.5% · Sw 42.6% · FSP 26.8 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 21G	1978.35	--	φ 25.0% · Kh 31.0 mD · Density 2.68 · CORE LABORATORIES,INC.	SS, LT GY-GY, VF-F-OCC MG, MOD STD, MOD FRI, SLTY MX, TR MICA, SL TR CARB INCLS.	--
15/20- 1	↳ Plug 22	1978.4	--	So 1.8% · Sw 65.5% · FSP 27.8 · CORE LABORATORIES,INC.	NO PLUG POSSIBLE	--
15/20- 1	↳ Plug 23	1978.85	--	Kh 0.1 mD · So 18.5% · Sw 38.9% · FSP 5.4 · CORE LABORATORIES,INC.	SS, LT GY-LT BRN, VF-F-MG, P STD, MOD CONS, W/V SL CALC MX, SUBANG-SUBRDD, TR MICA, OCC CARB INCLS.	--
15/20- 1	Core #4	1979.4	1980.85	--	--	--
15/20- 1	Core #5	1983.81	2003.19	φ 8.0% (n=1) · Kh 0.0 mD (n=19) · Density 2.69 (n=1) · CORE LABORATORIES,INC.	SS, CLR-LT GY-PK-RD BRN, M-C-VC-PBL, P STD, V CONS, FELDS, TR MICA.; SS, CLR-LT GY-PK-RD BRN, M-C-VCG, P STD, W CONS, FELDS, TR MICA.; SS, CLR-OFF VH-PA PK, C-VC-PBL, P STD, W CONS, FELDSPATHIC, TR GLAUC OR TOURMALINE.; SS, CLR-PA PK, C-VC-PBL, P STD, V CONS, SUBANG-SUBRDD, FELDSPATHIC (OLIGICLASE), TR GLAUC.; SS, CLR-PA PK, C-VC-W/ V LGE QTZ PBLS, V CONS, ASSOC FELDS + TOURMALINE.; SS, CLR-PA PK, C-VCG, W CONS, H FELDSPATHIC; SS, CLR-PA PK, M-C-VCG, P STD, FELDS, TR MICA.; SS, CLR-PA PK, M-C-VCG, P STD, V CONS, FELDS, TOURMALINE, TR MICA.; SS, CLR-PA PK, M-C-VCG, P STD, W CONS, FELDS, TOURMALINE, TR MICA; SS, LT GY-LT GY BRN, VF-FG,MOD W STD, MOD CONS W/SLTY MX, TR MICA, OCC CARB INCLS; SS, LT GY-LT RD BRN, F-MG, MOD STD, MOD CONS, FELDS, H ABNT MICA.; SS, LT GY-RD BRN, MG, MOD STD, MOD CONS, FELDS, ABNT MICA.; SS, LT GY-RD BRN, RAG, MOD STD, MOD CONS, FELDS, TR MICA,	--
15/20- 1	↳ Plug 30	1984.0	--	Kh 0.1 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VC-PBL, P STD, V CONS, SUBANG-SUBRDD, FELDSPATHIC (OLIGICLASE), TR GLAUC.	--
15/20- 1	↳ Plug 31	1985.0	--	Kh 0.1 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VC-PBL, P STD, V CONS, SUBANG-SUBRDD, FELDSPATHIC (OLIGICLASE), TR GLAUC.	--
15/20- 1	↳ Plug 31I	1985.6	--	φ 8.0% · Kh 0.2 mD · Density 2.69 · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VC-PBL, P STD, V CONS, SUBANG-SUBRDD, FELDSPATHIC (OLIGICLASE), TR GLAUC.	--
15/20- 1	↳ Plug 32	1986.0	--	Kh 0.1 mD · CORE LABORATORIES,INC.	SS, CLR-OFF VH-PA PK, C-VC-PBL, P STD, W CONS, FELDSPATHIC, TR GLAUC OR TOURMALINE.	--
15/20- 1	↳ Plug 33	1988.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VC-W/ V LGE QTZ PBLS, V CONS, ASSOC FELDS + TOURMALINE.	--
15/20- 1	↳ Plug 34	1989.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VCG, W CONS, H FELDSPATHIC	--
15/20- 1	↳ Plug 35	1990.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, C-VCG, W CONS, H FELDSPATHIC	--
15/20- 1	↳ Plug 36	1991.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, M-C-VCG, P STD, W CONS, FELDS, TOURMALINE, TR MICA	--
15/20- 1	↳ Plug 37	1992.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, M-C-VCG, P STD, V CONS, FELDS, TOURMALINE, TR MICA.	--
15/20- 1	↳ Plug 38	1993.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, M-C-VCG, P STD, FELDS, TR MICA.	--
15/20- 1	↳ Plug 39	1994.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-PA PK, M-C-VCG, P STD, FELDS, TR MICA.	--
15/20- 1	↳ Plug 40	1995.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-LT GY BRN, VF-FG,MOD W STD, MOD CONS W/SLTY MX, TR MICA, OCC CARB INCLS	--
15/20- 1	↳ Plug 41	1996.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-LT RD BRN, F-MG, MOD STD, MOD CONS, FELDS, H ABNT MICA.	--
15/20- 1	↳ Plug 42	1997.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-RD BRN, RAG, MOD STD, MOD CONS, FELDS, TR MICA,	--
15/20- 1	↳ Plug 43	1998.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-RD BRN, RAG, MOD STD, MOD CONS, FELDS, TR MICA,	--
15/20- 1	↳ Plug 44	1999.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-RD BRN, RAG, MOD STD, MOD CONS, FELDS, TR MICA,	--
15/20- 1	↳ Plug 45	2000.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-LT GY-PK-RD BRN, M-C-VCG, P STD, W CONS, FELDS, TR MICA.	--
15/20- 1	↳ Plug 46	2001.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, CLR-LT GY-PK-RD BRN, M-C-VC-PBL, P STD, V CONS, FELDS, TR MICA.	--
15/20- 1	↳ Plug 47	2002.54	--	Kh 0.0 mD · CORE LABORATORIES,INC.	SS, LT GY-RD BRN, MG, MOD STD, MOD CONS, FELDS, ABNT MICA.	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
15/20- 1	165.20159912109375	2030.120361328125	10	0	2026-08-06 08:19:23.735157+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

15/20- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	1682.9532	2029.3584	2274
caliper	MCAL	CGG Digital Well Logs	1722.7296	2029.6632	2015
caliper	CALI	CGG Digital Well Logs	496.062	2030.1204	10067
comp_sonic	DT	CGG Digital Well Logs	306.324	2018.2332	11067
deep_resistivity	LLD	CGG Digital Well Logs	1730.0448	2022.6528	1921
deep_resistivity	ILD	CGG Digital Well Logs	247.0404	2028.9012	11693
density_correction	DRHO	CGG Digital Well Logs	1682.8008	2029.3584	2275
gamma_ray	GRL	CGG Digital Well Logs	1729.74	2022.0432	1919
gamma_ray	GRD	CGG Digital Well Logs	1198.7784	2029.8156	2547
gamma_ray	GR	CGG Digital Well Logs	165.2016	2028.7488	12229
micro_resistivity	MINV	CGG Digital Well Logs	1722.7296	2029.6632	2015
micro_resistivity	MLL	CGG Digital Well Logs	1721.9676	2029.6632	2020
micro_resistivity	MNOR	CGG Digital Well Logs	1722.7296	2029.6632	2015
neutron_por	NPHI	CGG Digital Well Logs	1720.1388	2023.872	1994
shallow_resistivity	LLS	CGG Digital Well Logs	1730.0448	2022.5004	1920
shallow_resistivity	SFL	CGG Digital Well Logs	246.4308	2028.5964	11695
sp	SP	CGG Digital Well Logs	246.2784	2028.9012	11698

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
15/20- 1	0	--	--	--

15/20- 1

Well Header

Wellbores (1)

Formation Tops (16)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (55)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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