Evolution of Pre-stack Multiple Suppression Based on Velocity Discrimination

Search and Discovery.com

Seismic imaging uncertainty using deep learning predicted Greens functions

Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

... a novel method of producing ensembles of seismic images from ensembles of velocity models using a deep learning neural network. First, the neural networks...

Unsupervised Machine Learning as a Velocity Picking Assistant

Charles Ursenbach, Hassan Odhwani

International Meeting for Applied Geoscience and Energy (IMAGE)

...Unsupervised Machine Learning as a Velocity Picking Assistant Charles Ursenbach, Hassan Odhwani Unsupervised machine learning as a velocity picking...

Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study

M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen

International Meeting for Applied Geoscience and Energy (IMAGE)

...Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study M. ElAttar, H. Malak, A. Cooke, O...

Mainstream Mantle Convection: A Geologic Analysis of Plate Motion

T. H. Nelson , P. G. Temple

AAPG Bulletin

.... In the model, the base of the mainstream forms an unbroken spheroid with its poles of rotation near the earth's geographic poles. The maximum velocity...

Turbulence Effects on the Settling of Suspended Particles

Peter Nielsen

Journal of Sedimentary Research (SEPM)

... of steady vortices tend to be fast tracked along certain paths (Maxey and Corrsin 1986) and thus experience an increase in settling velocity. Experiments...

Seismic Weathered or Aerated Surface Layer

O. C. Lester, Jr.

AAPG Bulletin

... with a low velocity characteristic has been recognized in seismic work for several years, and has been generally referred to as the "weathered layer...

Analytical and Numerical Studies of Sand Erosion in Electrical Submersible Pump (ESP) Systems

Saúl Gómez Díaz de Bonilla, Her-Yuan Chen

Unconventional Resources Technology Conference (URTEC)

... developed analytical equation to estimate the solid particle velocity. The methodology follows Finnie’s (1960) analytical erosion model, which provides...

Marine Acquisition and Processing Using Dual Sensor Towed Streamer (Geophysics Paper 1)

Walter Söllner, Svein Vaage, David Carlson, Martin Widmaier, Anthony Day, Stephen Pharez, Maz Farouki

Geological Society of Malaysia (GSM)

... and the vertical component of the vector particle velocity field. PGS’ Next Generation Streamer has accomplished these objectives, and is a step change...

Abstract: How to Improve Location Accuracy When Dealing with Artifacts in Microseismic Event Locations; #90187 (2014)

N. Verkhovtseva

Search and Discovery.com

... velocity models construction and calibration are required. In most cases artifacts can be eliminated by using a proper velocity model. Introduction...

Use of Seismic-Derived Velocities for Stratigraphic Exploration on Land: Seismic Porosity and Direct Gas Detection: Chapter 4

Norman S. Neidell, J. H. Beard, Ernest E. Cook

AAPG Special Volumes

... based seismic work has been developed which makes consistency among seismic velocity measures and seismic facies analyses central to the development...

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... 2000 1 8 Anisotropic effects are observed for the moveout velocity on surface seismic data as reflection angles increase. An alternative...

Application of wave-equation reflection traveltime inversion to the Liwan deep-water streamer data in the South China Sea

Yilin Wang, Liangguo Dong, Chao Huang, Jianming Zhang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... be used to image the structure in this area. In traditional seismic data processing workflow, reconstructing an accurate velocity model is a key step...

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

...Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon David McCann URTeC: 2878680 Improving...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

...Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey Michele Buia, Suyang Chen, Olga Zdraveva, Swee...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

.... Thrusting stacks rocks of higher seismic velocity over lower velocity material. Such a velocity contrast results in strong wavefront attenuation...

Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration

W. C. Krumbein

AAPG Bulletin

.... 943-61. BEERS, R. F., "Velocity Stratification as an Aid to Correlation," Geophysics, Vol. 5 (1940), pp. 367-92. BEERS, R. F., "Resolution Control...

An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)

Rob A. Holt

Search and Discovery.com

... communication, timely sharing of information, a suitable velocity and anisotropy strategy, and proactive Quality Check (QC). The success of the project can...

Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).

D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati

Search and Discovery.com

... 3 Indago Petroleum Ltd., Dubai, United Arab Emirates 4 Ministry of Oil and Gas, Oman 2 Abstract The problem of data-driven velocity model building...

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... are being processed to generate plots of interval velocity versus depth which grossly approximate velocity surveys or integrated acoustic logs. Lower...

The Use of Synthetic Sonic Logs Derived From Seismic Data in the Interpretation of Stratigraphic Variation in Cretaceous Carbonates of the North Field Area, Qatar: Chapter 14

Helena S. Aves, Daniel M. Tappmeyer

AAPG Special Volumes

..., there are many examples of low interval velocity zones that are known to contain hydrocarbons whereas equivalent higher interval velocity on the seismic...

2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor

Umar Hamzah, Abd Rahim Samsudin

Geological Society of Malaysia (GSM)

... processed using an OPTIM software to produce sections of 20 velocity model profiles. Results show P-wave velocity of clayey silt (SPT=3-11) is ranging from...

Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: REPLY

James M. Mattinson, Richard V. Fisher

Journal of Sedimentary Research (SEPM)

... applied to velocity differences across stream lines in the boundary layers of real fluids. Nevertheless, a simple experiment by one of us (Mattinson) shows...

Evaluation of Fresh Water Sands

Leonard C. Bryant

Bulletin of South Texas Geological Society

... nestled in among fresh water sands was at best a hit and miss proposition. The Density-Neutron log and the Velocity-Neutron logs however have eliminated...

Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth

Isabel Cristina Florez, Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., working in close collaboration between the explorationist and the service company geophysicist to find the best velocity model to optimize the seismic...