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The AAPG/Datapages Combined Publications Database

Showing 660 Results. Searched 195,502 documents.

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Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production … Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)

Joanne Wang and Duane Dopkin

Search and Discovery.com

... orientation through anisotropic velocity analysis and azimuthal AVO technique. Geomechanical property generation requires input of reflection angle data...

2014

Structural Controls on the Formation of Bottom-simulating Reflectors Offshore Southwestern Taiwan from a Dense Seismic Reflection Survey

Philippe Schnurle, Char-Shine Liu

AAPG Special Volumes

... spreading compensating, applying normal moveout followed by residual trim static, stacking, and constant-velocity (1500 m/s [4921 ft/s]) frequency...

2009

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... is the highest frequency component at the lowest apparent velocity, which usually (because of moveout) is the shallowest reflection of interest...

1980

Integration of active and passive surface seismic for understanding the variations observed during a stimulation campaign.

Paolo Primiero, Gorka Garcia Leiceaga, Joël Le Calvez

Unconventional Resources Technology Conference (URTEC)

... moveout was corrected by imposing the anisotropy in the velocity model; however near-surface slow shear propagation, as well as the difference...

2013

Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

...f particle velocity at angular frequency , , at receiver location for a source at location in terms of the potency tensor . In the geometrical ray app...

2014

A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin

G. R. Elsley, H. Tieman

AAPG Special Volumes

... times from increasing offsets result in hyperbolic moveout. If this is the case, then velocity analysis will flatten these hyperbolae...

2010

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... velocity moveout. In this study, head wave, P and S wave arrival times are picked manually. URTeC 2153641 7 Figure 6: The waveform of Perf 1...

2015

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... making the carbonate RPTs, and the sensitivity of P-to-S velocity ratio versus acoustic impedance to various scenarios of carbonate reservoirs. CASE...

2008

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... is increasingly undesirable because as resolution has increased the wave number range of high frequency, high-velocity reflection components has overlapped...

1982

Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia

Arka Dyuti Sarkar and Mads Huuse

AAPG Bulletin

... data were processed through stack and time migration. Velocity model building was done using two iterations of dense residual moveout autopicking...

2023

New Insights into the Deep-Water Otway Basin - Part 1. Integrated Depth Imaging Workflows Unravelling the Subsurface

Si Ying Lee, Bee Jik Lim, Arwindran Anantan, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... velocity variations of the major geological units whilst maintaining the depth consistency at the intersection location of all the 2D lines in both dip...

2021

Getting Something for Nothing: Noise Attenuation in an Aliased World; #41291 (2014)

David C. Henley

Search and Discovery.com

... for improving coherent noise attenuation of a single aliased noise is de-aliasing by application of constant-velocity linear moveout (LMO) prior to estimating...

2014

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... used here also has several shallow velocity anomalies. Their limited extent and velocity contrasts cause non-hyperbolic moveout in the data. Combined...

2019

U-net based primary alignment

Ricard Durall, Ammar Ghanim, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... Ettrich Fraunhofer ITWM, Germany Summary Aligning primary reflections in seismic normal moveout (NMO) corrected gathers is a crucial part of seismic...

2023

Seismic Fracture Detection in the Second White Speckled Shale: Anisotropic Perspectives on an Isotropic Workflow; #41289 (2014)

David Cho, Craig Coulombe, Scott McLaren, Kevin Johnson, and Gary F. Margrave

Search and Discovery.com

... for (a) Poisson’s ratio, (b) Young’s modulus, (c) P-wave velocity, and (d) residual moveout. Hot colors represent low values for (a) to (c) and dark colors...

2014

Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation

R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer

AAPG Special Volumes

... velocity changes. TUS = top Utsira sand; BUS = base Utsira sand; TWT = two-way traveltime.Two normal moveout (NMO)-corrected common-midpoint (CMP) gathers...

2009

Variation of Bottom-simulating-reflection Strength in a High-flux Methane Province, Hikurangi Margin, New Zealand

Stuart A. Henrys, Derek J. Woodward, Ingo A. Pecher

AAPG Special Volumes

... divergence, normal moveout using a constant velocity of 1.5 km/s (4921 ft/s), stacking of the threefold common depth point (CDP) data, and finally finite...

2009

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... for fullwaveform inversion, these data provide an excellent opportunity for demonstrating the efficacy of full-waveform inversion in building velocity models...

2014

Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand

Jasper Hoffmann, Andrew Gorman, Gareth Crutchley

Petroleum Exploration Society of Australia (PESA)

... on velocity analysis are a standard procedure undertaken during long-offset seismic processing to determine accurate normal moveout (NMO) corrections...

2018

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