Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis

Chad M. Hogan

Search and Discovery.com

... Prestack depth migration is expensive for complex regions with strong lateral velocity variations. In these regions, it is desirable to use a wave...

Quantitative FWI characterization of reservoir properties at the CMC Newell County Facility

Qi Hu, Matthew Eaid, Scott Keating, Kristopher Innanen, Xiaohui Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Imaging near-surface s-wave velocity and attenuation models by full-waveform inversion with distributed acoustic sensing-recorded surface waves...

Abstract: Methods of Reservoir Identification for Iso-Velocity Sand-Mud Strata, by Pu, Renhai; #90163 (2013)

Search and Discovery.com

Abstract: Case Study of the Effect of Grid-Search Objective Function in Microseismic Source Location; #90255 (2017)

Luolan Li, Yuyang Tan, Chuan He, Pan Deng

Search and Discovery.com

... and unknown location. By using the arrival times of the P- and S-waves of the microseismic event, an estimate of the source location and origin time can...

Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-rich Mudrocks

Artur Posenato Garcia, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... for frequencies below 1 MHz. The numerically calculated dielectric permittivity of the organic-rich mudrocks increased with increase in volumetric...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... then convolved with zero-phase wavelets of different frequencies to produce the seismic models. The results show how the depositional facies at reservoir...

Rhythmic Deposition on Mudflats in the Mesotidal Changjiang Estuary, China

Daidu Fan,, Congxian Li

Journal of Sedimentary Research (SEPM)

... cycle is reduced because of reworking and erosion by tidal currents and waves. Over a fortnightly period, tidal cyclicities are obscured, with ca. 80...

Shape Development On Tahiti-Nui

James E. Dobkins, Jr. , Robert L. Folk

Journal of Sedimentary Research (SEPM)

... size group in each locality. End_Page 1191----------------------- FIG. 22. At Point Venus, a sandy beach with small waves; small pebbles...

Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... Eng internal velocity field in breaking 103 p Characteristics p 865 874 RC H AND SIMONS waves AND Engineers 4 1 The Dep Geophys Sci PATRICK...

Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport

Christopher J. Wayne

GCAGS Transactions

..., Thallassia beds not only cause attenuation of waves but form a layer of slightly higher viscosity which slows net drift velocity of water and induces...

Muricid drilling predation at high latitudes: Insights from the southernmost Atlantic

Julieta C. Martinelli, Sandra Gordillo, Fernando Archuby

PALAIOS

... different drilling strategies on different prey, and edge drilling represented 27%–56% of the drill holes in mytilids. Drilling frequencies were...

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... compliant to compressional waves across the fractures which decreases the p-wave velocity. A single set of vertical aligned fractures is one mechanism...

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... its business value in velocity model building. In this study, we explore the viability of broadband seismic imaging with a LF source. During a recent...

The Use of CSEM within an Integrated Exploration Project "Best of EAGE", #40866 (2012)

Andrea Lovatini, Elena Medina Tracy Campbell, Keith Myers

Search and Discovery.com

... geophysical methods available in its portfolio in a single project: a basin study that was not simply the sum of the different data types, but the result...

Seismic Acquisition in Papua_What's Special About Ocean Bottom Cable?

Yayat Supriatna

Southeast Asia Petroleum Exploration Society (SEAPEX)

... data but OBC has special ambient and source generated noise problems. In Tangguh the upside to using OBS are better wellties, improved low frequencies...

Abstract: Seismic Time-Frequency analysis by Empirical Mode Decomposition; #90187 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

...) decomposes a seismic signal into a sum of oscillatory components, with guaranteed positive and smoothly varying instantaneous frequencies. Analysis...

The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh

Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung

Geological Society of Malaysia (GSM)

...The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd...

Population Breaks in Grain-Size Distributions of Sand--A Theoretical Model

Kweku-Mensah O. Sagoe, Glenn S. Visher

Journal of Sedimentary Research (SEPM)

... sediments: Sedimentology, v. 18, p. 159-219. NORDIN, C. F., AND G. R. DEMPSTER, JR., 1963, Vertical distribution of velocity and suspended sediment...

Seismic Line Across the Wind River Thrust Fault, Wyoming

W.L. Basham, W.F. Martin

Rocky Mountain Association of Geologists

... to analyze near surface velocity anomalies because the rays making up the stacks follow different paths. The theoretical time delay related...

Production Studies Using NMR and High-Frequency Dielectric Permittivity

Search and Discovery.com

Bed Configurations

Gerard Middleton, John B. Southard

Special Publications of SEPM

... velocity causes the bed to be molded correspondingly into a train of waves in phase with the water-surface waves. As the Fraude number of the mean flaw...

The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion

Scott W. Singleton

GCAGS Transactions

... is so close that different lithologies can be identified due to their different p-wave velocity (Vp) / s-wave velocity (Vs) ratios (shifts...

Accommodation and Sedimentary Architecture of Isolated Icehouse Carbonate Platforms: Insights from Forward Modeling with CARB3D+

Richard J. Paterson, Fiona F. Whitaker, Gareth D. Jones, Peter L. Smart, David Waltham, Graham Felce

Journal of Sedimentary Research (SEPM)

... of the deep-sea sedimentary and continental ice cores (Hays et al. 1976; Ruddiman 2001). However, the dominance of different orbital frequencies appears...