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The AAPG/Datapages Combined Publications Database

Showing 15,811 Results. Searched 195,387 documents.

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Multiscale insights into the Mount Weld REE deposit from 2D and 3D active seismic survey data

Thomas Bell, Greg Turner, Ganesh Bhat, Brad Knell

International Meeting for Applied Geoscience and Energy (IMAGE)

... refraction tomography and pre-stack time migration reflection workflows. Detection and delineation of zones of deeper bedrock Refraction seismic...

2023

ABSTRACT: Multiple suppression by the CRS technique; #90051 (2006)

Juergen Pruessmann, Martin Tygel, Fernando Gamboa, Radu Coman

Search and Discovery.com

... is provided by the Common-Reflection-Surface, or CRS imaging technique. At each point of the image, this technique derives a locally adapted traveltime...

Unknown

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... tomography (Quan and Harris, 1997; Pratt et al., 2003). In seismic exploration, seismic data carries information of the interface of rock layers along...

2013

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 relationship between reflection and diffraction traveltime surfaces in the shot records is that the response of the scatter points (diffraction curves...

2015

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

..., Resolution of small velocity anomalies by wide azimuth reflection data tomography: 79th Annual International Meeting, SEG, Expanded Abstracts, 4059–4063...

2019

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

...Application of Wave Equation Tomography in Frontier Areas Tien-when Lo, Guy W. Purnell 1990 245 251 In frontier areas, insufficient information...

1990

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... traveltime change that occurs assuming a reflection from a dipping plane. multiple reflection—A seismic pulse that has been reflected more than once...

2001

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... in the estimated traveltime. For a given trace with and acceptable time error, there may be still considerable trace energy to form a reasonable LCCSP...

2015

Analog Model and Synthetic Seismogram Studies of Long Range Refraction Method: ABSTRACT

Stanley J. Laster, Richard Schell, Milo M. Backus

AAPG Bulletin

... illustrates the conventional refraction method and the behavior of refraction traveltime and amplitude. In addition to first arrivals, the later...

1963

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

... have one shortcoming that can limit their usefulness--the reflection events used to map the seismic sequences and the seismic facies that describe...

1992

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... of Porcupine Basin in relation to the west coast of Ireland. Most post-migration reflection tomography schemes assume that the input data only consists...

2016

Abstract: Migrating Reflections from the Moho Using a Refraction Velocity Model … An Example from the Slave Craton, NWT; #90211 (2015)

Joaquin Aristimuno and Claire Samson

Search and Discovery.com

... in seismi c velocity. In the Archean Slave Craton, NWT, coincident refraction and reflection surveys have been conducted in 1996 – 1997 as part...

2015

Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays

Greg M. Johnson, Paul Miller, David Phillips

Unconventional Resources Technology Conference (URTEC)

... for unconventional resource plays. The imaging portion of the workflow includes a calibrated tomography that simultaneously solves for vertical velocity and TI...

2013

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

... processing, surface with interbed demultiple followed by earth model building using full-waveform inversion (FWI), common image point (CIP) tomography...

2020

Time-Lapse Refraction Seismic II: Field Examples

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... in this field example. A very different approach was used by Hilbich in 2010 where he exploited time-lapse refraction seismic tomography to study...

2017

Tackling data challenges in land FWI: A case study

Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...

2023

Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... PSDM velocity model building as described by Zhou et al. (2003) and Guillaume et al. (2012). Reflection tomography picks the residual move out...

2018

Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

... image is only obtained after multiple passes of anisotropic PSDM in cascade with reflection tomography. And since each pass of tomography is aimed...

2019

Abstract: Monitoring Active Steam Injection through Time-lapse Seismic Refraction Surveys; #90174 (2014)

Byron M. Kelly and Don C. Lawton

Search and Discovery.com

... to that of 4D reflection profiles. Through reciprocal traveltime analysis, refraction profiles can delineate significant time-shifts within a monitor survey due...

2014

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... reflection tomography techniques provide long to mid wavelength velocity updates but generally fail in updating shallow water environments while giving...

2019

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