3D-seismic data position
Post
er 7
Pro
spex
201
1 m
jvg
For information on Exploration and Production issues and E&P data see the Netherlands Oil and Gas Portal www.nlog.nl & www.ebn.nl
3D seismic data coverage of the Netherlands
Pre-view of Fugro’s new long cable 3D spec surveyThe NL-DEF-3D long cable spec survey area covers some 8000km2. It is amongst the largest speculative 3D survey in Europe. It fills one of the last large gaps in the Dutch offshore 3D-coverage. The survey is located in an under-explored part of the Dutch offshore where 3D long cable seismic is lacking. Interpretation of the new survey will provide new geological information and hydrocarbon concepts that might reduce exploration risks in the area. EBN is the first company that purchased a license for the entire survey. The survey is to be completed in 2012.
The survey is to be completed in 2012.The acquisition details are:• 3modernseismicvessels• 8to12streamer• 7500to8100meterstreamerlength• Streamerseparation:100m•Numberofsources:2• Sourceseparation:50m• Shotpointinterval:25m
The data are processed through a modern time processing flow including the latest updated 3DSRMEprograms,advancedde-noisemethods,Kirchhofftimemigrationandthemostrecentbinning,interpolationandfoldharmonizationmethodsdevelopedbyFugroSeismicImaging.Deliverables will include velocity volumes and angle stacks and gathers.
On the first preliminary processing results the various structural domains allready become evident.TheonlapofDevonianandCarboniferousseriesontotheElbowSpitHighcanbeseen. The assymetric configuration of the Central Graben with the thick Upper Jurassic - LowerCretaceousseriesintherimsynclinesofprominentsaltdomesisclear.Moreadvancedprocessing will further enhance the image of the deep strata providing the material for generating robust play and prospect evaluation maps.
L11
L16
L14L13
L12L10
L08 L09L07
L05 L06L04
L02 L03L01
F11
K11
L17
E11
F17 F18F16
F14 F15F13
P03P02
F12F10
K18K17
F09F08F07
K15K14
F06F05F04
K12
F03F02F01
K09K08
A11
K07
K06K05K04
K03K02K01
E18E17E16
E15E14E13
E12E10
E09E08E07
E06E05E04
E03E02
B17B16A18A17
B13A15A14
Q01
A12
A08
G18G17G16
G13 G14
M07
K10
G10
M06M05
E01
M04
M03M02M01
M08
N04
Q02
M09
P06P05 Q04
K13
N07
A16
K16
D12
Q05
D15
L15
G15
A13
N01
P01
M10
B18
B14
D18
B10
G11
J03
D09
A09
P04
A10
G07
J06
A05
H16
D06
A07
N08
M11
J09
L18
N05
D03
A04
NL-DEF 3D
5
87
654
321
9
6
32
87
54
21
987
654
321
875
4
1
987
654
321
987
65
321
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654
31
9
6
3
7987
654
21
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654
321
9
6
98
7
5
10
1413
11
1716
151413
121110
18
15
10
181716
1413
121110
181716
151413
121110
16
1816
151413
1110
181716
151413
121110
1716
151413
121110
18
15
12
181716
1413
10
181716
151413
121110
3
SR
QP
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FE
D
B
A
7°0'0"E6°0'0"E5°0'0"E4°0'0"E3°0'0"E2°0'0"E
55°0'0"N
54°0'0"N
53°0'0"N
52°0'0"N
51°0'0"N
0 50 Km
Overview 3D seismic surveys
shot in 2010
shot between 1976 - 2009
3D seismic survey coverage onshore and offshore the Netherlands. Seismic data be-comes public after 5 years in the Netherlands. Public data (post-stack) can be purchased at TNO (www.nlog.nl). Various vendors offer large, regional merges of the public seismic data.
2011 Fugro, long cable, spec 3D-survey
Expl. Well
Gas Field
Oil Field
JURRASSIC ELEMENTS
High, No Zechstein
Structural High
Platform
Main Basin
Minor Basin
RESERVOIRS
Tertiairy
Chalk
Lower Cretaceous
Jurrassic
Triassic
Zechstein
Rotliegend
Carboniferous
Regional structural geology of the area indicating the Cleaver Bank High, Elbow Spitbhigh as well as the Step and Central Graben
Base Cenozoic
Base Cretaceous
Rotliegend Fm
Saalian Unconformity
Upper Carboniferous (Silesian?)
Top Salt/Base Triassic
Base CenozoicBase Cretaceous
Top Salt
Rotliegend Fm
Upper Graben Fm (Oxfordian, Late Jurassic)
Lower Graben Fm (Callovian, Mid Jurassic)
Lower Buntastein Fm (Lower Triassic)
Base Cenozoic
Base Cretaceous
Top Salt/Base Triassic
Rotliegend Fm
Saalian Unconformity
Yordale Fm
Tayport Fm
Kyle Fm?
Reef?
Base Cenozoic
Base Cretaceous
Top Salt
Rotliegend Fm
Seismic line over the Cleaverbank High
E-W line through Central Graben and Step Graben
Seismic line from the Cleaverbank High to-wards the Elbow Spit High