Wintershall
Exploration & Production History
The celebration of the 50 years anniversary of the Groningen gas field
Wintershall a Quick Guide
to 45 Years of Offshore Activity
Dutch Offshore
Noordwinning Group:
Pennzoil Operator
Wintershall: Partner Operator
German Offshore
Deutsche Nordsee Gruppe: DEA BEB
Wintershall: Partner Operator
1962 1963 1968 1988 2000
1960
1965
1970
Groningen Discovery
From 1962 to 1972
The early exploration years
Foundation DNG
DNG First Well
B1
Foundation Noordwinning
Group
Wintershall A BASF Group
Award of the Entenschnabel
K13-A
&
L08-A Discoveries NW Group
First Wells N4-1 & P10-1
The North Sea From 1963 to 1972
Wintershall active in two Groups:
Offshore Germany:
Deutsche Nordsee Gruppe (1962) Offshore Netherlands:
Noordwinning Group (1968)
Deutsche Nordsee Gruppe
Effective 01-09-1962
American International Oil Co.
C. Deilmann Bergbau GmbH
Deutsche Erdöl AG (operator)
Deutsche Schachtbau und Tiefbohr GmbH
Gewerkschaft Elwerath
Mobil Oil AG
Preußische Bergwerks- und Hütten AG
Wintershall AG
Noordwinning I Group
Effective 12-01-1968
AMAX Petroleum
Delfzee N.V. (Wintershall)
United Overseas (Pennzoil operator)
Hoogovens Delfstoffen
IHC Holland Exploratie N.V.
Billiton Mij.
North Sea Selection Netherlands Cy Ltd.
Falcon Seabord Drilling Cy.
0 2 4 6 8 10 12 14 16 18 20
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972
Year
Wells per Year
0 20 40 60 80 100 120 140 160 180 200
US$ Barrel
Wells Drilled 1963 to 1972
The K13-A 1969 2D Seismic Line
Flat spot in hindsight …
Rotliegend Target
K13-A After 3D Seismic
SW K13-A field NE
K13-A1 L8-1
0 0 1 10 100 1,000 10,000
0 5 10 15 20 25 30 35 40
Porosity
Permeability
The Difference
First 3D K10/K13
K13-C Rotliegend
A6-A Discovery
Award of the Entenschnabel
K13-A
&
L08-A Discoveries
1972 to 1988
The Dutch Pennzoil years, but with a significant German discovery
Production K13-A M.Bunter sst.
K10-B Discovery
Production K10-B,C
E13-1 Carboniferous
Discovery
Wintershall operator
L8-G, A Production
1975
1980
1985
K13-A K13-D K13-C K10-B11
K13-Gas Fields
The North Sea 1972 to 1988
Creation of the “Entenschnabel”
West Gas Transport pipeline 1975
K13-A Platform 1975
K13-A First Gas Production 1976
K13-B Platform 1977
K13-C Platform 1977
K13-D Platform 1978
K10-B First Gas Production 1983
Offshore Technology
K13-A Platform (1975) K10-B Platform(1982)
WGT Dune crossing 1975
Although Production started in early 1976,
the final JOA for the WGT was signed in 1984!
F16-E Rotliegend
Discovery
1988 to 2002
The Wintershall operated years from now on…
L8-G, A Production
1990
1995
2000
Wintershall operator
L8-P Rotliegend
Discovery
L8-P Production
D15-FA First Offshore Carboniferous
Production
First
German Offshore Production
A6-A
L5-B Rotliegend
D12-A Carboniferous
Clyde Acquisition
Technical developments 3D seismic
K10/K13 3D: Rotliegend
K10-B K10-C
K13-C & D
K10-V
N
The 3D Seismic & Marine Mammals
Harbour porpoise White sided dolphin
Minky whale Whale
The Modern Interpretation Tools
The Carboniferous
A Different Piece of Cake
It All Started With E13-01
Base Rotliegend
Carboniferous Stratigraphy
Rotliegend Feather edge
D12-A Field PrSDM
Botney Mbr Klaverbank Fm.
Rotliegend
Maurits Fm.
Flat spot
From: Geology of the Netherlands-2007
A change in limits
F16-E Field
L5-B & C Fields
Move of sand limit
?
?
A6-A Platform
Installed 03-01-2003
The only German Offshore
Gas Field
3D Seismic Line A6/B4
BCH BLC
B Zech/TRotl BT
Base Scruff shales
Base Rotl volcanics
3D DK/GER - Qcomp
A6-A4 A6-A1a
A6-A3 Horizontal Well
Structural Dip Evaluation From LWD
A6-3 A6-A3
A6-A1a
A6-A3 Structural interpretation. South to North section facing westward
Base Tertiary Base Cretaceous
Geological Section A6-A Field
D12-A F16-E Production
2002 into the future
The Wintershall years from now on…
E18-A P9-A/B Developments L5-C
Q1-B Production L5-B
Rotliegend D12-A Carboniferous
Clyde Acquisition
2002
2005
K18-Golf Discovery
E18-A Discovery
Q1-27 Discovery
The North Sea 1963 to 2009
( Kotter / Logger: Vlieland sst oil production) A6-A: U. Jura sst, Jura Fan
Carbonate
K13, P6, P12, Q4, Waalwijk: M. Bunt sst P6, Q5: Zechstein Carbonate
K10, L8, L5, F16: Rotliegend
D12, D15, F16: Westphalian B/C
Past & Current Production From Most Available Reservoir Horizons
Wintershall’s Offshore Locations
& Operated Pipelines
0 2 4 6 8 10 12 14 16 18 20
1957 1959 1961 1963 1965 1967 1969 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009
Year
Wells per Year or $ BBL/10
0 1000 2000 3000 4000 5000 6000
Total Yearly Production (MMm^3)
German Wells Dutch Wells WINZ prod $ per BBL/10
45 Years of Exploration &
Production in the North Sea
K13 - A
K10 - B K13 - D
F16 – E D12 - A L8 – G\A
L8 – P L5-B/C Q1-B A6 - A
D15 – FA
Wintershall, Quo Vadis?
