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The AAPG/Datapages Combined Publications Database

Showing 1,098 Results. Searched 200,599 documents.

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

Greg M. Johnson, Paul Miller, David Phillips

Unconventional Resources Technology Conference (URTEC)

... traveltime and amplitude inversion schemes. The derived seismic attributes are then well-suited to help predict future well performance in field-development...

2013

Mapping Areas of Greater Thickness of the Clastic Unit of the Lower Carboniferous by the Seismic Reflection Method

A. K. Urupov, Yu. A. Byakov, S. A. Shikhov

Petroleum Geology: A Digest of Russian Literature

... of systems of traveltime curves of reflected waves for determining effective velocity: Razvedoch. i Promyslov. Geofizika, vyp. 20. The clastic sediments...

1961

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... function incorporated traveltime shift measured by means of instantaneous phase in conjunction with L2-norm cross-correlation (Jiao et al., 2015; Vigh et...

2022

Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... is done using a velocity model extracted from traveltime tomography of perforation shots or using well log velocities. These velocities will be quite...

2016

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... and sonic traveltime responses and may show a time-lapse signature. 3D vertical seismic profiles (VSPs) were acquired in a vertical well equipped...

2017

Extended Abstract: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Ruben D. Martinez

GCAGS Transactions

... form of the main steps for 3D TTI traveltime tomography. As high performance computing evolves, methods such as full waveform inversion (FWI) become more...

2012

Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators

Ginger A. Barth, David W. Scholl, and Jonathan R. Childs

AAPG Special Volumes

... anomalies (VAMPs), comprising coincident seismic traveltime anomalies and gas bright spots, are features widely identified in seismic reflection images from...

2009

Geologic evolution of the Cuu Long and Nam Con Son basins, offshore southern Vietnam, South China Sea

Gwang H. Lee, Keumsuk Lee, Joel S. Watkins

AAPG Bulletin

... traveltime vs. depth relationships at the wells; these relationships were used to tie stratigraphic tops from the wells to the seismic data...

2001

A novel technique for modeling fracture intensity: A case study from the Pinedale anticline in Wyoming

Patrick M. Wong

AAPG Bulletin

... and S-wave traveltime anisotropy in a naturally fractured gas reservoir: The Leading Edge, v. 15, no. 8, p. 931935.Wong, P., F. Aminzadeh, and M. Nikravesh...

2003

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

... for a firmed traveltime value, it encapsulates wavefront detail as the envelope of tangent planes at all front points rE. n denotes front-normal...

Unknown

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

... for a firmed traveltime value, it encapsulates wavefront detail as the envelope of tangent planes at all front points rE. n denotes front-normal...

Unknown

The Impact of Shear-Wave Splitting on the Imaging of P-S Data

Search and Discovery.com

...-S reflections arrive from different shot-to-receiver azimuths, the variation in traveltime is obviously visible by the sinusoidal variation...

2013

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... tackled the depth-imaging problem with the usual highly interpretive, “model driven” approach. We used an unconstrained diving-wave traveltime...

2015

4D GPR for Characterization of Fluid Flow in Carbonates: Insights from Structural- vs. Stratigraphic-Controlled Domains and Comparison with Eclipse Dynamic Modeling; #41179 (2013)

Pierpaolo Marchesini, Mark Grasmueck, Gregor P. Eberli, and Ralf J. Weger

Search and Discovery.com

... the traveltime of subsurface reflections. Timeshifts are extracted between pairs of time-lapse surveys with 3-D crosscorrelation. The timeshifts...

2013

A Geomaterials Approach to Fault-Zone Characterisation; #41693 (2015)

Gary D. Couples, Helen Lewis, Elma Charalampidou, Jingsheng Ma, Antonio Zamarron

Search and Discovery.com

... algorithm (Akaike information criterion)  Minimisation of traveltime residuals (downhill simplex algorithm) Tensile cracks: T - type: pol<-0.25...

2015

Time-Lapse Refraction Seismic II: Field Examples

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... of £150 to go to Padula in Italy to record and investigate the damages after the earthquake. 1888:  August Schmidt uses traveltime versus distance plots...

2017

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

... gradients.Grid based tomography is a robust, 3D ray-based inversion method used to refine velocity models for depth migration. Residual traveltime errors...

2012

Geomechanical and Geophysical Analysis of a Wattenberg Field through Wavefield Re-Datuming and Inversion

Jyoti Behura, Pete Smith, Oscar Quezada

Unconventional Resources Technology Conference (URTEC)

.... For the above reasons, the re-datumed data is ideal for traveltime and amplitude inversion. We perform azimuthal velocity analysis (assuming...

2016

Origin and Evolution of the Middle Miocene Submarine-Fan System, East-Central Gulf of Mexico

Combellas-Bigott, Ricardo I. and Galloway, William E.

GCAGS Transactions

...-central Lund area. Figure 4. Isochron map from the base of Louann salt to the top of the middle Oligocene (two-way traveltime). Hot colors represent...

2002

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

... TWO-WAY TIME Most two-dimensional seismic reflection lines are presented in the format of horizontal distance versus two-way traveltime (time...

1992

Cross-Borehole Tomography in Development Geology: Part 7. Geophysical Methods

J. H. Justice, M. E. Mathisen, J. R. Bulau, A. A. Vassiliou

AAPG Special Volumes

... in place, the source is fired and a recording is made. In traveltime tomography, this recording is later used to compute the time required...

1992

Deep Sea Stratigraphy: Abyssal Sediment Waves

G. S. Mountain and B. E. Tucholke

AAPG Special Volumes

... (Tucholke and Mountain, 1979). Subtle angular unconformity beneath A{u} can be seen in this profile at approximately 7.2 sec of two-way traveltime...

1987

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