kms technologies – kjt enterprises inc. · 2009-08-23 · kms technologies – kjt enterprises...
TRANSCRIPT
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KMS Technologies – KJT Enterprises Inc.
Zerilli, A.
Integrated imaging adds value to complex structures exploration
2002
Presentation
Society of Exploration Geophysicists, Annual Meeting, Salt Lake City, Invited paper in
workshop “Recent Advances and Road ahead session”
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Integrated imagingadds values to complex structures exploration
Andrea ZerilliKMS Technologies
Houston, TX, USAwww.kmstechnologies.com
SEG/Salt Lake City 2002
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Outline:Setting the sceneIntegrated imaging – Why ? Non-seismic technologiesSeismic imaging improved What’s next ?
Key subjects:
• Integrated depth imaging• Tackling the near-surface complexity • Enhance seismic imaging in severe
topography & complex structures
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SATB petroleum province
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SSW NNESouthern Apennines Thrust Belt
SATB complexity
Complex near-surface Rough topography
M. di Viggiano
Survey line
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Location map
2 km
M. di ViggianoM. Enoc
Agri ValleyMonticello
M. Caldarosa
Survey Line
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TRAMUTOLA
MONTICELLO AGRI RIVER AGRI VALLEY ALLI RIVER
Noisy seismic
M. ENOC M. CALDAROSAVIGGIANO
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MONTICELLO M. ENOC
PoSDM
MONTICELLO M. ENOC
PSDM
Seismic depth imaging
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Integrated imaging – Why ?
• Integrate seismic with alternative geophysical techniques to build the most accurate near sub-surface model characterized by a high level of spatial resolution at low cost
• Exploit recent breakthroughs in non-seismic technologies
• Enhance depth imaging & reduce risk
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Magnetic sensor
LAN
Frequency range:
24 kHz to 0.001 Hz
Dipole length: 50 m
Ey1
Ex1
Ey2
Ex2
FAM4
BF-6orBF-4
BF-6 or BF-4
Hx1
Hy1
Ex3
Ey3
Ex4
Ey4 Ey5
Ex5
Ey7
Ex7Ex6
Ey6
BF-6orBF-4
BF-6 or BF-4
Hx2
Hy2
Ey8
Ex8
Ey9
Ex9
GPS
FAM2 FAM3 FAM5
LAPTOP
FAM1 FAM6 FAM7 FAM8 FAM10 FAM11
CSU
BF-6 or BF-7
FAM9
BF-6 or BF-7
Non-seismic technologies
High res MT continuous profiling
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High res MT continuous profiling
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High Res MT data
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Top Apula
Top Apula
Lower
Miocene
Lagonegro UnitApennine Platform
Depth to Apula poorly resolved
AA CC C1C1BB DD
1 km
High Res MT depth imaging
Thrust base
High resistivity – High velocity
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High Res MT imaging vs geology
Top Apula
Top Apula
Lower
Miocene
Lagonegro UnitApennine Platform
Depth to Apula poorly resolved
AA CC C1C1BB DD
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DC resistivity imaging
• Distributed electrode system
• Schlumberger & Wenner arrays
• Unit electrode spacing = 6-12 m
• Section length = 1.2-2.4 km
• Interpreted depth down to 100 m
Non-seismic technologies
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0 250 m
High resistivity – High velocity
Fault
1209
1208
DC resistivity imaging
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DC resistivity imaging & SP response
70Hz - 44m
38Hz - 26m
44Hz - 56m
72Hz - 29m
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Optimized source placement
Optimised SP (clay)
Not Optimised SP (lithology independent)
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DC resistivity & HRMT imaging
High resistivity – High velocity
Carbonate outcrop
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DC resistivity & HRMT imaging
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Seismic refraction & HRMT imaging
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400 m
Seismic refraction & HRMT imaging
Agri Valley
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MONTICELLO M. ENOC
P-wave tomography
0
1000
2000
3000
Top Apula
Top Apula
Lower
Miocene
Lagonegro UnitApennine Platform
Depth to Apula poorly resolved
AA CC C1C1BB DD
HRMT - seismic refraction synergy
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Top Apula
Top Apula
Lower
Miocene
Lagonegro UnitApennine Platform
Depth to Apula poorly resolved
AA CC C1C1BB DD
MONTICELLO M. ENOC
Enhanced seismic depth imaging
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Top Apula
Top Apula
Lower
Miocene
Lagonegro UnitApennine Platform
Depth to Apula poorly resolved
AA CC C1C1BB DD
Enhanced seismic depth imaging
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What’s next ?
Increase data volume & productivityProgress joint imaging technology for PSDM updating Progress mapping from resistivity to seismicTackle 3D joint imaging on cost effective clustersDeliver commercial solutions
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Joint seismic - MT depth imaging
High velocity – High resistivity100 Ωm
High velocity – High resistivity
Low velocity – Low resistivity5 Ωm
Carbonate Reservoir
Clastics
Thrust
Reference model
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Seismic refraction imaging
? ? ? ?
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? ? ? ?
MT Site spacing = 300 m
MT depth imaging
Joint
MT only
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Acknowledgments
ESIT projectEni-AgipEnterprise Oil ItalianaYuri Roslov
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KMS Technologies – KJT Enterprises Inc. 6420 Richmond Ave., Suite 610
Houston, Texas, 77057, USA Tel: 713.532.8144
Please visit us
http://www.kmstechnologies.com//