Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)

Andrew C. Newson

Search and Discovery.com

.... Figure 9. Velocity model derived from Figure 8 C. Figure 10. Full wave form model derived from the geological model. Note the overturned fold limb...

Profiler-Sonobuoy Measurements in Colombia and Venezuela Basins, Caribbean Sea

William J. Ludwig , Robert E. Houtz , John I. Ewing

AAPG Bulletin

... that the material below B^Prime can contain large amounts of sediment unless the sediment has a velocity near that of basalt. The discontinuous reflectors...

Abstract: Automation of Fracture Counts Using Volumetric Seismic Attributes; #90063 (2007)

Search and Discovery.com

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... = amplitude of reflected wave A1 = amplitude of incident wave A2 = amplitude of transmitted wave V1 = wave velocity of upper rock layer V2 = wave...

Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia

Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam

Indonesian Petroleum Association

... the structural images. A total of eight iterations of interleaved Q and velocity tomography updates were performed to optimize the Q and the velocity models...

Permeability Prediction in Chalks; #40506 (2010)

Mohammad M. Alam, Ravi Sharma, Ida L. Fabricius, and Manika Prasad

Search and Discovery.com

...) showed theoretically that sound wave velocity in rocks depend on both porosity and permeability. Velocity is the primary data available for acquiring...

Quantitative time-lapse analysis of 4D DAS VSP time shifts to monitor stimulated rock volume in unconventional reservoirs

Yesser Haj Nasser

International Meeting for Applied Geoscience and Energy (IMAGE)

.... To predict the P-wave velocity for the baseline survey, I use a VTI model. The linear-superposition of this VTI background model and a set of induced...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

..., University of Houston Summary Full-waveform inversion (FWI) can inherently handle all wave types, including turning waves, and primary and multiple...

Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... azimuthal fracture detection techniques using 3D seismic data are: P wave azimuthal AVO analysis (AVAZ) and P wave azimuthal Velocity analysis (VVAZ...

Dynamics of Nearshore Sediment Movement

J. W. Johnson

AAPG Bulletin

... waves approach a coast with crests parallel with the shore, important transformations in the wave characteristics occur. The wave velocity and the wave...

Seismic-Refraction Study of Continental Margin East of Florida

R. E. Sheridan , C. L. Drake , J. E. Nafe , J. Hennion

AAPG Bulletin

..., of a refracted wave moving along the surface is determined by the velocity in the surface layer V1, and the angle of incidence, ^agr, that the ray...

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... of a low velocity zone. The top of the magma chamber is flat-lying, 2-3 km wide, and 3.5 km below the seafloor. Analysis of magnetic anomalies...

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

Chuck Ursenbach and Peter Cary

Search and Discovery.com

...Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015) Chuck Ursenbach and Peter Cary Datapages...

Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks

Alvin K. Benson

Environmental Geosciences (DEG)

... 188 198 Vol. 3 (1996) No. 4. Important mechanical properties of rocks and soils can be calculated from the shear-wave velocity, VS, the compressional...

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... accelerate velocity continuation, trading wave-equation solves for a simple neural network inference. This is of considerable importance...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... of Gradients (HOG), Structure Tensor Analysis (STA), and Plane Wave Destruction (PWD) can be employed to estimate the local plume velocity (Fig.2...

Abstract: Fracturing is Distinctly Revealed by Duplex Wave Migration; #90171 (2013)

Alexander Kostyukevych, I.U. Khromova, N. Marmalevskyi, and Y. Roganov

Search and Discovery.com

...Abstract: Fracturing is Distinctly Revealed by Duplex Wave Migration; #90171 (2013) Alexander Kostyukevych, I.U. Khromova, N. Marmalevskyi, and Y...

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

... tests reverse-time migration based on finite difference (FD) solution of 2D wave equation for applying on synthetic borehole seismic data generated...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

...Upscaling acoustic wave equation using renormalization group theory Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix Upscaling acoustic wave...

Integration of Surface and Subsurface Tools in The Reservoir Characterization of Unconventional Plays; #41211 (2013)

Roderick Perez

Search and Discovery.com

... MINERALOGY LOGS Young’s Poisson’s ratio Modulus P-wave Velocity S-wave Velocity P-wave Modulus Young - Poisson Relation 14 CALIBRATION...

New Petrophysical Approach in the Study of Cenozoic Coral Carbonate Rocks as Reservoirs: Example of Pleistocene Platforms, Guadeloupe, French West Indies; #120045 (2012)

G. Conesa, E. Vernhet, D. Baden, Y. Guglielmi, S. Viseur, and L. Marie

Search and Discovery.com

... to relate selected P-waves parameters (amplitude, time) to the coral frame. Results Using P-wave velocity measurements and wave amplitude analyses, we...

Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)

Valentina Khatchatrian and Mike Galbraith

Search and Discovery.com

... and Mike Galbraith, WesternGeco, Calgary, Alberta, Canada Summary Variations in the thickness and low velocity in the weathered layer affect...

Well Log Data Conditioning Using a Rock Physics Modeling Approach: Examples From the Banyu Urip Field, Cepu KKS, East Java Basin

Shiyu Xu, Soman Chacko

Indonesian Petroleum Association

... to predict porosity-velocity relationships, shear-wave velocities and fluid effects. It is extremely difficult to ensure that these various models...

Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks

Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee

AAPG Bulletin

...) images, to experimental physical properties of carbonate rocks to improve P-wave velocity and permeability predictions. Results show that applying...

3D installation of fiber cables for acquiring 3C DAS array data

Yingping Li, David Li, Lianjie Huang, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... a simple velocity model with a homogeneous P-wave velocity of 2 km/s. We construct differential travel time (DTT, dti) profiles (Fig 1c) by subtracting...