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The AAPG/Datapages Combined Publications Database

Showing 493 Results. Searched 195,452 documents.

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Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... to the broader frequency bandwidth. Migrated CMP gathers are also available after reprocessing, and Figure 4 shows these NMO corrected gathers with a 200m...

2016

Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia

Said Amiribesheli, Jordan McGlew, Joshua Thorp

Petroleum Exploration Society of Australia (PESA)

... Migration (PSTM) workflow that incorporated 4th order Normal Moveout (NMO) velocities at the migration stage. The 4th order NMO velocities provides...

2019

Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

... and receivers. The proposed method can converge to a local maximum. To avoid this, it is necessary to have good NMO velocities and have a starting...

2015

Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)

Gary Jones, Rocky Roden

Search and Discovery.com

... available, processed through NMO and Pre-Stack Time Migration, and of good quality. The first series of displays shows a map of maximum curvature...

2012

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... is desired and what can be afforded. Seismic processing follows both normal moveout (NMO) to correct effects of separation between the receiver...

2003

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

... deconvolution (160msec operator) NMO (velocity analysis every 1.25km) Outer trace mute (max. offset retained 18(K)m) Residual statics (2) DMO Stack (36 fold...

1996

Optimización de Migración Pre-Apilado en Tiempo Tipo Kirchhoff para Datos Sísmicos 3D en los Llanos Orientales [PAPER IN SPANISH] Migration Optimization of Pre-Stack Kirchhoff Time Type of 3D Seismic Data in the Eastern Plains

María Isabel Prieto, José María Jaramillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... suposición de un medio isotrópico, donde se tiene en cuenta el efecto de la anisotropía en la estimación de las velocidades que describen la curva de NMO...

2009

AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

... prospect near the Kola-1 well. METHODS Data Preparation For AVO modeling and analysis, 20 lines of 2D NMO corrected CDP gathers in the Arafura field were...

2008

Broadband Seismic Technology and Beyond: Part IX: BroadSeis in Production

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... towards the initial model. NMO-derived seismic velocities are often used to define the initial low frequency model, which provides information at the very...

2014

Enabling the Next Generation of Hydrocarbon Exploration

Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn

GEO ExPro Magazine

... seismic NMO velocity to calculate anisotropic parameters and propagate the anisotropy along seismic horizons. This traditional approach works...

2018

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

... (right). The trainee can also be asked to select the velocity function which is required for NMO correction. In practical cases this work needs...

1993

Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir

Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte

GCAGS Transactions

... information added to the seismic trace headers. Normal moveout (NMO) and dip moveout (DMO) corrections were applied with azimuthal anisotropic...

2002

2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore

W. J. Jankowsky and G. Schlapak

AAPG Special Volumes

.... NMO-functions derived from continuous velocity analyses DAS: 2 Operators/Trace, Op. Lenth: 236 msec.           Gate: 200 - 5900 msec. TVF:0.0 - 1.0 sec...

1983

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...

Unknown

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...

2013

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...

Unknown

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...

2013

Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

Search and Discovery.com

.... The (non-) repeatability of amplitudes in shot gathers datasets still does not automatically mean the same in the CMP domain. The consistency of NMO...

2013

Abstract: Multi-Vintage, Pre-Stack Calibration of 3-C 3-D Time-Lapse Seismic Data; #90171 (2013)

Igor B. Morozov and Le Gao

Search and Discovery.com

... and wavelet phase rotations. 4) Spectral balancing. 5) Measurement and compensation of the normal moveout (NMO) differences between the different...

2013

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...

2014

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

... bins, and NMO corrected. Figure (4) shows plots of three CMP gathers used for AVO trend assessment. The locations of these CMP gathers are annotated...

2014

Abstract: Converted-wave Time Imaging … Nuts and Bolts; #90187 (2014)

Shaowu Wang, Thomas Hollis, and Wayne Nowry

Search and Discovery.com

... final P-wave migration velocity, and , in which is the converted-wave NMO velocity and is calculated by events registration from PP PSTM stack and PS post...

2014

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

... of interest (ZOI), the reflections around the ZOI suffer severe NMO stretch and the signal-to-noise ratio is low beyond 600 m offset. It will degrade...

2014

Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)

Amin Baharvand Ahmadi, Igor Morozov

Search and Discovery.com

... and calibrate the NMO-corrected VSP data to the surface seismic records, the VSP to CDP transformation was conducted by using the same CDP binning...

2015

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

...-way traveltime along the normal ray, the apparent slowness (traveltime gradient) at the emergence point, and the apparent NMO velocity, Vnmo (related...

2015

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