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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,619 documents.

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Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

..., as illustrated by Figure 4. These values were picked along the NMO curve. The reflection is stronger for the multi-layered CO2 saturated reservoir...

2015

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... the accuracy of this simulation, for the case where the lateral velocity variation is negligible, all of equivalent offset domain data lie on the hyperbolic NMO...

2015

Abstract: Progress in DAS Seismic Methods; #90224 (2015)

A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown

Search and Discovery.com

... on azimuth, 360 range. NMO has been applied to correct for offset variations (<300m). Top: Single receiver – notice the phase change of the first arrival...

2015

High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

Search and Discovery.com

... short period multiples, and equalize reflection strength over angle (Henley, 2004). Moveout velocity and statics NMO Velocity analysis and statics...

2015

Optimización de la Planeación de Nuevos Pozos de Desarrollo Mediante una Nueva Secuencia de Procesamiento y Migración Anisotrópica Pre-Apilado en Profundidad - Campos Guando y Matachín Norte y Sur, Valle Superior Del Magdalena (Colombia). [PAPER IN SPANI

Diógenes Rovira, M. Graziella Kirltand Grech

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... geológica de la capa somera no fue el único reto en estos campos. El método convencional de la corrección de NMO asume que tanto las fuentes como los...

2008

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

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... counterpart after azimuthal NMO correction where the associated azimuthal RMS inversion only considered ∆t’s corresponding to a maximum incidence angle...

2018

Test Analysis of a 2D Seismic Survey With Finer CMP Interval

Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli

Indonesian Petroleum Association

... to be, a. 10 m, nominal fold 120 and b. 15 m, nominal fold 180 after NMO. Figure 11a shows brute stack at bin size 5m and fold 60. Same processing...

2022

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

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

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

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

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

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

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

... also makes borrowing of traces with partial normal moveout (NMO) problematic for SRME. Consequently an alternative approach to multiple removal...

2016

4D joint inversion and close-the-loop for production history matching and forecasting

Kelly Wrobel, J. P. Blangy, Tony Rolland, Evan Mutual, Klaus Bolding Rasmussen, Wendell Pardasie

International Meeting for Applied Geoscience and Energy (IMAGE)

... to a successful close-the-loop study. This workflow uses measured seismic data that has already been NMO corrected for source-receiver offset and has been...

2023

3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project

Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik

Petroleum Exploration Society of Australia (PESA)

... stack produced from check-shot acquired with geophones, and geophone check-shot data after NMO correction. The displayed DAS inline coincides with CRC-2...

2018

Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field

Patrick Fouchard, Scott Leaney, Sugimin Harsono

Indonesian Petroleum Association

.... Small amounts of gas may also lead to a false AVO effect. Figure 4. CDP synthetics after NMO correction. From left to right: Vp/Vs for water and gas...

1996

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