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The AAPG/Datapages Combined Publications Database

Showing 839 Results. Searched 187,807 documents.

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A Dynamic Reflection Traveltime Calculation Method

Y. Wang, D.R. Schmitt

CSPG Special Publications

...A Dynamic Reflection Traveltime Calculation Method Y. Wang, D.R. Schmitt 1994 49 50...

1994

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... be imaged by correcting the vertical delay time to two-way normal time, without the use of the hyperbolic traveltime approximation. It can...

1989

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

... complexity must be taken into account. A good practice is to conduct a feasibility study to establish the most appropriate spectral decomposition...

2020

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

...Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir Carmen C. Dumitrescu, Larry Lines 2013 605 623 AAPG Studies in Geology 64: Heavy-oil...

2013

Abstract: Cross-Validation of 3C and 9C Prestack Shear Wave Splitting Analysis at Big Sky; #90224 (2015)

Jeff P. Grossman and Gulia Popov

Search and Discovery.com

... features and spatial resolution. As expected from theory, the traveltime delays between fast and slow modes estimated from pure shear wave data are twice...

2015

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... principal states that interchanging of the shot and receiver locations does not alter the traveltime. However, in practice, errors in geometry, charge...

2015

Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... a constant traveltime difference between the specular reflection traveltime and the computed traveltime from the recorded trace to the image trace...

2014

Subtle Discontinuity Detection and Mapping for Carbon Sequestration Assessment in the Illinois Basin

J. H. McBride, R. W. Keach II, H. E. Leetaru, W. J. Nelson

AAPG Special Volumes

... (3-D) spectral decomposition and semblance, combined with other seismic attributes, to demonstrate the crucial need for broad bandwidth data...

2009

Evaluation of kinetic uncertainty in numerical models of petroleum generation

Kenneth E. Peters, Clifford C. Walters, Paul J. Mankiewicz

AAPG Bulletin

... that kerogen type, as defined by hydrogen index, is not systematically linked to kinetic response, and that default kinetics for the thermal decomposition...

2006

Application of VTI PSDM for imaging carbonate structures

Seyed Yaser Moussavi Alashloo, Deva Ghosh, Yasir Bashir, Amir Babasafari

Geological Society of Malaysia (GSM)

... for traveltime computation (Moussavi Alashloo & Ghosh, 2017). The calculated isotropic and anisotropic traveltimes are compared and employed in a standard...

2018

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

... was calibrated. As shown in Figure 2c, the sonic traveltime becomes longer than VSP traveltime with increasing depth. Although sonic times are often expected...

2013

Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)

Yue Ma, Tong W. Fei, Yan Wu, Yi Luo

Search and Discovery.com

...Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018) Yue Ma, Tong W. Fei, Yan Wu, Yi Luo AAPG Datapages/Search...

2018

Abstract: Challenges of Microseismic Data Inversion in Case of Strong Anisotropy; #90255 (2017)

Sergey Yaskevich, Anton Duchkov, Georgiy Loginov, Alexandr Serdukov

Search and Discovery.com

... but it requires additional work time. Small misfits of the data, which are generally used in practice as quality markers, are not always a guaranty...

2017

Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... is an important part of the Controlled Amplitude Controlled Phase (CACP) seismic processing flow. Current practice at ExxonMobil is to apply poststack depth Q...

2007

Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)

Jie Zhang, Oz Yilmaz, and Nanxun Dai

Search and Discovery.com

... roles. For processing land data from mountainous areas, using the first-arrival traveltime tomography approach to resolve the near-surface structures...

2015

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... migration is unique in the industry and involves a decomposition of the data into dip components using the Radon transform and a back-propagation of the dip...

2009

Abstract: Regular Grids Travel Time Calculation … A Practical Huygens Wavefront Expansion Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... grid wave traveltime calculation that is based on Huygens wavefront expansion and grid traveltime mapping. Wavefront expansion is carried out by finite...

2014

Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)

Geoff Clark, Yilong Qin

Search and Discovery.com

...-velocity anomaly. So velocity model from ray-based traveltime tomography might not be reliable to be used for RTM or serve as a starting model for FWI...

2016

Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)

Chuck Ursenbach and Peter Cary

Search and Discovery.com

... to receiver, it assumes that the total traveltime is partitioned in a way consistent with common-conversion point reflection. The described...

2015

Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt

William F. Robinson IV

Papua New Guinea (PNG) Petroleum Convention Proceedings

... is a result of back scattered headwave and Raleigh Wave energy resulting from the reflection of seismic energy from the Darai karst. Wave field decomposition...

1996

An Efficient Approach for Quantifying the Uncertainty in Groundwater-model Predictions

V. A. Kelley, S. Mishra

AAPG Special Volumes

... of a surrogate traveltime measure and to then accurately reproduce the performance-measure statistics with only a few forward simulations...

2006

Abstract: Wavefront Picking for 3D Tomography and Full-Waveform Inversion; #90319 (2018)

Abdullah A. Theyab

Search and Discovery.com

... controling (QC) seismic firstbreak traveltime picks is critical for a successful tomographic inversion and maturation of a reliable near surface solutions...

2018

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... and maybe reliable way is to use spectral decomposition, i.e. to do time-frequency analysis on each trace, and from instantaneous amplitude spectrum...

2013

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