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The AAPG/Datapages Combined Publications Database
Showing 547 Results. Searched 200,673 documents.
Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea An Iterative Approach
A.J. Hardwick, S. Jansen, B. Kjolhamar
Petroleum Exploration Society of Australia (PESA)
... differential NMO. Ideally for SRME sources and receivers should be co-located, in this instance we interpolated the shots at a 12.5m interval down to 6.25m...
2017
Anisotropy Analysis in Shale Using Advanced Sonic Data - Bakken Case Study, #41049 (2012)
Mehdi Ostadhassan, Zhengwen Zeng, Hadi Jabbari
Search and Discovery.com
... model in exploration seismology. Neglecting anisotropy in shales may lead to crucial errors in normal move-out (NMO) corrections; dip move-out (DMO...
2012
AAPG/SEG International Conference & Exhibition
Search and Discovery.com
N/A
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... with offset. The most common sorts the data into a common midpoint (CMP) gather and determines the best-fit normal moveout velocity, V nmo...
2001
Cost Effective Seismic Acquisition in the Papuan Foreland Basin
A. Garcia, J. D. Schneider, F. E. Doughty
Papua New Guinea (PNG) Petroleum Convention Proceedings
... generated noise. Velocities were analyzed and compared to others on the line and on intersecting lines. Data were then NMO corrected, stacked, mixed...
1993
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
... noise free. The data were deconvolved using signature deconvolution (see Appendix), corrected for normal moveout (NMO) using the velocity of water...
1991
Results of a 3-D Seismic Shoot at Lopeno Field, Zapata County, Texas
By Richard W. Debus and E. E. Rudder
GCAGS Transactions
... Phase Conversion 3-D Geometry Assignment Trace Edits Mute True Amplitude Recovery Deconvolution Time Variant Scaling Velocity Analysis NMO...
1998
AVO Attributes for Successful Exploration and Field Development: A Case Study From Sarawak Basin, Offshore Malaysia
Norbert Van de Coevering, Rusdinadar Sigit, Reza Lasman
Indonesian Petroleum Association
... challenging, as the gathers may be contaminated by multiples or random noise. Residual NMO can be another factor giving rise to misleading AVO results...
2005
Generalized internal multiple elimination
Dongliang Zhang, Constantinos Tsingas, Mohammed S. Almubarak
International Meeting for Applied Geoscience and Energy (IMAGE)
... proposed methodology. The workflow of generalized internal multiple elimination on field dataset is summarized as follows: 1. Apply NMO to seismic gathers...
2022
Chapter 8: Amplitude Versus Offset
Tom Wittick
North Texas Geological Society
... associated with the Hartshorn gas-sand reflector. The last few traces in the gathers at far offsets are distorted by NMO stretch. After Rutherford...
1992
Chapter 5: Seismic Trace Inversion
Tom Wittick
North Texas Geological Society
... to the seismic line being inverting or from the stacking velocities used for NMO correction of the seismic data. The low frequency trend is a slowly-varying...
1992
Reservoir characterization using multi-seed stochastic inversion
Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet
International Meeting for Applied Geoscience and Energy (IMAGE)
..., following steps are carried out: (1) QCs, including signal and noise estimation, and residual NMO corrections (2) well to seismic calibration...
2022
Seismic Trace Inversion
Abilene Geological Society
... to the seismic line being inverting or from the stacking velocities used for NMO correction of the seismic data. The low frequency trend is a slowly...
1993
Amplitude Versus Offset
Abilene Geological Society
... by NMO stretch. Class 2 Example The class 2 example is a Miocene sand from the Gulf of Mexico (U.S.A.). It is shown in figure 8-4. The upper portion...
1993
Fracture reservoir prediction method based on AVO disturbance variance
Guangrui Xiao, Yao Li, Yuru Zhang, Dekui Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of AVO gradient, NMO velocity and interlayer travel time in fracture prediction in anisotropic media has become more and more popular. Gray (2004...
2022
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
.... CDP traces are created by mapping each event to its correct two-way time and reflecting point offset by a two-step process comprising NMO for the time...
1989
Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait
Andreas T. Waluyo, Frank Büker
Indonesian Petroleum Association
.... When a suitable stand-in trace is found, its offset is adjusted using differential NMO to closer match that of the desired trace. Figure 5 - 2D...
2009
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... method. Alternatively, a poor focus value can be used to recognize a multiple reflection wavelet, or a converted wave event, with its NMO offset dip (dt...
2009
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
... and deconvolution, • definition of survey geometry, • normal moveout (NMO) and stacking, • migration, and • filtering and scaling. In geologically...
1994
Drilling Using AvO to Reduce Uncertainties in D35 Infill
Meh Jabeen Zainuddin
Geological Society of Malaysia (GSM)
..., acquisition and processing (e.g. NMO effects) artifacts. 53 seen in L-M space, gives confidence that the infill target locations are highly probable...
1998
Deep Earth: Leveraging neural networks for seismic exploration objectives
Tariq Alkhalifah, Claire Birnie, Randy Harsuko, Hanchen Wang, Oleg Ovcharenko
International Meeting for Applied Geoscience and Energy (IMAGE)
..., but ignored in the synthetic training data. In this case, the predicted (NMO-like) velocity will be higher in average than the well vertical velocity...
2022
Integrated Interpretation of Seismically Derived Rock and Fracture Attributes for Shale Gas Reservoir Characterization
Gang Yu, Yusheng Zhang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... seismic data quality prior to prestack inversion by improving signal/noise ratio, removing NMO stretch and aligning reflection events. Velocities...
2014
Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method
Tilman Klver, Torben Hy
International Meeting for Applied Geoscience and Energy (IMAGE)
..., is still insufficient to image very shallow events without spatial aliasing. Figure 5: F-k spectrum of a crossline section after 3D NMO and stack...
2022
Solving seismic inverse problems by an unsupervised hybrid machine-learning approach
Mrinal K. Sen, Arnab Dhara
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and P. L. Stoffa, 1998, Automatic NMO correction and velocity estimation by a feedforward neural network: Geophysics, 63, 1696–1707, doi: https://doi.org...
2022
Principles and Techniques of VSP Data Processing
A.A. Tabakov, V.N. Ferentsi, H.Garvini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... wave energy resides (Ferentsi et al., 2003); (2) flattened (via NMO correction procedure) which makes the subtraction of target waves easier...
2006