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Showing 37,690 Results. Searched 200,693 documents.
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... and the direction normal to it is referred as the symmetry axis of the system. Three Thomsen-style anisotropy parameters (ε, δ, γ) in addition...
2014
Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation
William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... Migration (PSTM) was performed in each 2D line. This process allows to build a RMS velocity field. Residual moveout (RMO) can be corrected in vertical...
2009
Prestack Impedance Inversion Aids Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41664 (2015).
Search and Discovery.com
2015
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
... the wavefield, correct for the normal moveout effects, map the reflection points, and produce an image of the sub-surface. The first velocity model estimation...
2023
The calculation of first-arrival P-wave traveltime for attenuating TTI media
Mengxiu Wang, Jingyi Chen, Zhengcong Zhao, Kaiyuan Ji, Shaoying Chang
International Meeting for Applied Geoscience and Energy (IMAGE)
... vP 0 vn , is 0.1, the Thomsen-style parameters q and 0.05, the P-wave vertical velocity velocity vn v p and normal moveout are 3 km...
2022
Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset
William J. Ostrander
AAPG Special Volumes
... of incidence is easily related to shot-to-group through the normal moveout equation. Just prior to CDP stacking, seismic data traces generally are collected...
1987
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... Normal Moveout Correction and Mute Long Gate (2 sec) Trace Equalization Stack Dip moveout (DMO) has not been applied for testing purposes to avoid...
1996
Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming
David J. Taylor
Wyoming Geological Association
...) Datum Correction Trace Equalization Predictive Deconvolution Constant Velocity Analysis Normal Moveout Correction Hand Statics Corrections...
1998
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... time differential between the the arrival of the event at the near and far phone of the group. This time shift amounts to "normal moveout" across...
1978
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... in the Dix equation, we can calculate an RMS velocity error that will flatten the gather in much the same way as normal moveout velocity is used...
2000
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
...-normal P-wave reflectivity. Variations in fracture density within the coal levels of the Fruitland Formation also have strong effects on P-wave...
1997
Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well
Brian Fuller
Unconventional Resources Technology Conference (URTEC)
... events on a horizontal downhole DAS cable. Figure 4. Moveout curves for diffractions and first arrivals. Arrival times for diffracting points were...
2022
New Solutions to Old Problems: A Seismic Reprocessing Case History, DC and BQ Fields, Malacca Strait PSC
Charles A. Hinson
Indonesian Petroleum Association
... in Figures 17 and 18 respectively. Data of Figure 17 displays typical normal moveout but data of Figure 18 is distorted by positive time shifts, especially...
1993
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
..., Generalized Dix equation and analytic treatment of normal-moveout velocity for anisotropic media, Geophysical Prospecting, 47 (2), 117-148. Gretchka, V...
2016
Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia
Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel
Indonesian Petroleum Association
... to the well control, and provides needed input for 4C data processing algorithms, including common conversion point (CCP) mapping, CCP moveout corrections...
2000
Section 3: Displays of Seismic Sections: Forearc Margin, Central Aleutian Ridge
David W. Scholl, Jill McCarthy, and Holly Ryan
AAPG Special Volumes
... of the Pacific plate beneath that of the ridge is approximately 30northwest of a direction normal to the regional trend of the Aleutian Island arc...
1986
Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)
Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross
Search and Discovery.com
... interval is 60 m. The normal stacking fold for the natural CMP bin size (30 x 30 m 2) is only 8 at 700 m offset, which is low compared to the average survey...
2014
APPLICATION OF A THREE DIMENSIONAL SEISMIC SURVEY TO FIELD DEVELOPMENT IN THE WILLISTON BASIN
GARY C. ROBINSON, FERNAND BAIXAS, PATRICK J. HOOYMAN
Williston Basin Symposium
... deconvolution, velocity analysis, normal moveout correction, muting, 3D automatic statics, additional velocity analysis, and stacking...
1982
Accelerated deep learning-based estimation of wavefront dips and curvatures and their application to 3D prestack data enhancement
Kirill Gadylshin, Ilya Silvestrov, Andrey Bakulin
International Meeting for Applied Geoscience and Energy (IMAGE)
... of normal and normalincidence-point wavefronts at zero offset are used in the common-reflection-surface (CRS) method to produce stacking seismic sections...
2022
Geophysics Along the Edwards Trend
W. Lee Moore
GCAGS Transactions
... and corrections for the normal stepout or moveout of reflection times are all removed. The final result is a cross-section, or record section...
1957
Essentials of Streamer Marine 3-D Surveys, by Malcolm Lansley, #40140 (2004).
Search and Discovery.com
2004
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
...) = Rp + (Rp - 2 Rs) sin2(Θ) This equation predicts how reflected P-wave amplitudes (Ap) vary with angle of incidence (Θ) for a seismic event in NMO...
1995
Tectonic Analysis of a Viking Graben Border Fault
Nils Fagerland
AAPG Bulletin
... resulted in such structural features as "flower" structures and normal faults along the old Cimmerian Viking graben border fault. The tensional features...
1983
The Need for Seismic Dip Migration
W. B. Robinson.
Oklahoma City Geological Society
... T is the difference in time between traces at opposite ends of the record. The normal moveout or angularity, as it is sometimes called, will be cancelled...
1958
Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin
Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.
Indonesian Petroleum Association
... and isotropic horizontal layer. The inversion algorithm assumes that a) the input CMP gather is properly migrated and corrected for NMO effects, b) the input...
2007