2008 CSPG/CSEG/CWLS GeoConvention 2008, May 12-15, 2008, Calgary, Alberta, Canada; Abstracts, #90170 (2013).

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Ehsan, Athar

Search and Discovery.com

... A. and Zhang J., 2017. Variable Grid Traveltime Tomography for Near-surface Seismic Imaging American Geophysical Union, Fall Meeting 2017, abstract...

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... multiscale for time-domain waveform tomography, Geophysics, 74, WCC59–68. Cai A. and Zhang J., 2017. Variable Grid Traveltime Tomography for Near-surface...

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

... recorded traveltime to depth. Huang et al. (2014) list other potential issues in creating a reliable and geologically meaningful image: (a) under-sampled...

Faulting of salt-withdrawal basins during early halokinesis: Effects on the Paleogene Rio Doce Canyon system (Espirito Santo Basin, Brazil)

Tiago M. Alves, Joe Cartwright, Richard J. Davies

AAPG Bulletin

...). Unit K3 consists of more than 1.0-s two-way traveltime (TWTT) of evaporites deposited during the early continental drift between Africa and South...

Normal faults and gas migration in an active plate boundary, southern Taranaki Basin, offshore New Zealand

Bradley R. Ilg, Samuel Hemmings-Sykes, Andrew Nicol, Jan Baur, Miko Fohrmann, Rob Funnell, Mike Milner

AAPG Bulletin

...-way traveltime (TWT) from 60 ms to 3 s.In recent years, 3-D seismic-reflection data have been increasingly used to locate gas chimneys that may...

Adelgazamiento de Sedimentos Cretácicos-Oligocenos bajo la Serranía del Interior, Noreste de Venezuela: Evidencia a Partir de Observaciones de Sísmica Profunda. [PAPER IN SPANISH] Thinning of Cretaceous-Oligocene Sediments Under the Interior Serranía, No

D. Liuzzi, M. Schmitz, M. Jácome, J. Sánchez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Occidental de Venezuela (Sucre y Monagas): [Tesis de Grado] Universidad Central de Venezuela, Caracas 152 p Zelt, C., Smith, R., 1992, Seismic traveltime...

Estudio del Comportamiento de la Relación Vp/Vs a Partir de Datos Sísmicos Multicomponentes y Registros de Pozos. [PAPER IN SPANISH] Study of the Behavior of the Ratio Vp / Vs from Multicomponent Seismic Data and Well Logs.

R. Cova, J. Perez, H. Pineda

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and their applications in formation evaluation: Journal of Petroleum Technology, 15, 659-667. Robertson, J. D., 1987, Carbonate porosity from S-P traveltime ratios...

Distinct-element Stress Modeling in the Penola Trough, Otway Basin, South Australia

Suzanne P. Hunt, Peter J. Boult

AAPG Special Volumes

... are projected and appear slightly offstructure. The DEM slice at 2700 m (8858 ft) is equivalent to a two-way traveltime of 1880 ms. Within the Katnook...

Model of Low-Maturity Generation of Hydrocarbons Applied to the Carupano Basin, Offshore Venezuela

Frederic Jean Simon Schneider, Jose A. Noya, Caroline Magnier

AAPG Special Volumes

... of the studied area (modified from Ysaccis, 1998). The rectangle is the location of Figure 2.FIGURE 2. Simplified two-way traveltime (TWT) structural map...

A 3-D Fracture Model of the Kuyumba Oil Field (Eastern Siberia) Reflecting the Clay and Bed Thickness-related Fracture-density Variations of its Dolomite Reservoir

L. Mattioni, A. Chauveau, O. Fonta, V. Ryabchenko, E. Sokolov, R. Mukhametzyanov, S. Shlionkin, V. Zereninov, I. Bobb

AAPG Special Volumes

... or on the amplitude and traveltime of an ultrasonic beam, reflected from the borehole wall. From televiewer imaging, fractures and bedding planes can be mapped...

Fluviolacustrine Sandstone Deposition and Implications for Reservoir Development, Daan Field, Songliao Basin, China

John S. Sneider, Andrew S. Harper, Forrest L. Dietrich, Zongtian Liu, Xiuzhi Cao, Chunguo Wang

AAPG Special Volumes

... traveltime). White dashed line on seismic isochron map shows area of Putaohua thickening and corresponding increased sandstone thickness. This area...

Geological risk mapping and prospect evaluation using multivariate and Bayesian statistical methods, western Sverdrup Basin of Canada

Zhuoheng Chen, Kirk G. Osadetz

AAPG Bulletin

... the original data consists of a structural map, in depth, derived from seismic traveltime using Bayesian cokriging (Doyen et al., 1996) with formation depth...

Geophysical characterization of a nonaqueous-phase liquidcontaminated site

Alberto Godio, Alessandro Arato, Stefano Stocco

Environmental Geosciences (DEG)

... in sandy soil by converting the TDR traveltime in water content using Topp formula, a polynomial regression that relates the water content...

Carbon dioxide storage potential for the Queenston Formation near the AES Cayuga coal-fired power plant in Tompkins County, New York

Kathryn L. Tamulonis, Teresa E. Jordan, Brian Slater

Environmental Geosciences (DEG)

... for proximity to the AES Cayuga power plant (Figure 5). To convert from two-way traveltime, we used sonic velocities calculated by Anschutz Exploration...

Gravity Anomalies of the Solomon Islands Between 156° and 161° E. Longitude

L. A. Beyer

Circum Pacific Council Publications

.... Taylor's one-way traveltime of 1.5 s and velocities from Bruns et al (this volume) suggest t h a t about 1.5 t o 2.0 k m of sediments underlie this basin...

Internal Geometry, Seismic Facies, and Petroleum Potential of Canyons and Inner Fan Channels of the Indus Submarine Fan

Timothy R. McHargue , James E. Webb

AAPG Bulletin

... is in two-way acoustic traveltime rather than depth, they are adequate as a first approximation of relative gradients along the axes of the two systems...

Subsurface Geology of the Warfield Structures in Southwestern West Virginia: Implications for Tectonic Deformation and Hydrocarbon Exploration in the Central Appalachian Basin

Dengliang Gao , Robert C. Shumaker

AAPG Bulletin

... normal fault dipping toward the northwest. Fault B is suggested by an anomalous traveltime that may result from a velocity anomaly or diffraction...

Stratigraphic evolution of OligoceneMiocene carbonates and siliciclastics, East Java basin, Indonesia

Essam Sharaf, J. A. Toni Simo, Alan R. Carroll, Martin Shields

AAPG Bulletin

... lithologies and horizons; TWT = two-way traveltime; B = basement; LN = lower Ngimbang; UN = upper Ngimbang; LK = lower Kunjung; MK = middle Kujung; UK...

An empirical approach to estimating hydrocarbon column heights for improved predrill volume prediction in hydrocarbon exploration

Isabel S. Edmundson, Roy Davies, Lars U. Frette, Sean Mackie, Emilie A. Kavli, Atle Rotevatn, Graham Yielding, and Alex Dunbar

AAPG Bulletin

... (two-way traveltime [TWT]) maps into depth. Top reservoir depth maps were crosschecked against well tops to assess if any depth shift was required...

Chapter 18: The Structure of an Inverted Back-arc Rift: Insights from a Transect across the Eastern Cordillera of Colombia near Bogota

Antonio Teixell, Juan-Camilo Ruiz, Eliseo Teson, Andres Mora

AAPG Special Volumes

...), Co-1 (P): Coporo-1 well (projected). 10 km (6.2 mi) Figure 5. Two-way traveltime-interpreted seismic reflection profile ME-1992-1440 across...

The function of fractures and in-situ stresses in the Khuff reservoir performance, onshore fields, Saudi Arabia

Mohammed S. Ameen, Ismail M. Buhidma, Zillur Rahim

AAPG Bulletin

.... A traveltime, seismic cross section of a typical example of the gentle forced folds in the Khuff reservoir (reprinted from Evans et al., 1997...

Late Quaternary sequence stratigraphy as a tool for groundwater exploration: Lessons from the Po River Basin (northern Italy)

Bruno Campo, Kevin M. Bohacs, and Alessandro Amorosi

AAPG Bulletin

.... Figure 2. (A) Seismic profile in two-way traveltime (T.W.T.) in seconds showing the subdivision of the Pliocene–Quaternary basin fill into six (1–6...