Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study

Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani

Unconventional Resources Technology Conference (URTEC)

...? 𝑝𝑝𝑝𝑝 = (7) Source-receiver distance P-wave velocity of medium S-wave velocity of medium Moment tensor (Aki and Richards, 2002). The first...

Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)

Raul Cova, David Henley, and Kris Innanen

Search and Discovery.com

...Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015) Raul Cova, David Henley, and Kris Innanen Datapages/Search and Discovery Article...

Carbonate Debris Flows, Cow Head Group, Western Newfoundland

Richard N. Hiscott, Noel P. James

Journal of Sedimentary Research (SEPM)

... observed on the horizontal wave-cut platform is at right angles to axes that appear in the vertical cliff face. Examination of the folded bedding plane...

Abstract: Use of a Petrophysical-Based Reservoir Zonation and Multicomponent (3-D, 3C) Seismic Attributes for Improved Geologic Modeling, by M. J. Pranter; #90925 (1999)

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Observing Pore-Scale Gas Hydrate Morphology and its Acoustic Response to the Host Sediments

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Coastal switching of dominant depositional processes driven by decreasing rates of Holocene sea-level rise along the macrotidal coast of Gochang, SW Korea

Hyun HO Yoon, Woo Hun Ryang, Seung Soo Chun, Alexander R. Simms, Jin Cheul Kim, Tae Soo Chang, Dong-Geun Yoo, Seok-Hwi Hong

Journal of Sedimentary Research (SEPM)

... a tide-dominated environment to a wave-dominated environment during the latter stage of transgression as the rate of the sea-level rise decreased. Rugged...

Wave-equation based inversion for carbonate reservoir characterization in Kuwait

Rao Narhari, Ahmad Al-Sabari, Afrah Al-Ajmi, Justin Ugbo, Jeremy Harris, Gerard Soto, Panos Doulgeris

International Meeting for Applied Geoscience and Energy (IMAGE)

...Wave-equation based inversion for carbonate reservoir characterization in Kuwait Rao Narhari, Ahmad Al-Sabari, Afrah Al-Ajmi, Justin Ugbo, Jeremy...

SONIC LOG APPLICATIONS - EASTERN VENEZUELA

W. F. Clarke

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... the rock is subjected. Rock System - The theory of wave propagation through an heterogeneous elastic medium is a complex one which involves the elastic...

Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)

Jinfeng Ma, Le Gao, and Igor Morozov

Search and Discovery.com

... and βj are its P- and S-wave velocities. Equation (1) can be further simplified by assuming constant density or replacing density by P-wave velocity...

RTM method of prismatic-waves under the undulating surface: A case study of the Longmen Piedmont

Bo Ma, Yingming Qu, Zhenchun Li, Jianggui Zhu, Chang Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... methods appear to solve these imaging problems. It is found that the curved grid reverse time migration technology based on the two-way wave equation can...

A Methodology for Selecting Optimal Pipe Rocking Regimes during Slide Drilling

Ian Rostagno, Michael Yi, Pradeepkumar Ashok, Eric van Oort, Ben Potash, Chris Mullin

Unconventional Resources Technology Conference (URTEC)

... and the wellbore. Drillstring dynamics was then simulated using a torsional damped wave equation applying finite difference approximations. Finally...

Evidence for Temperature-Adjusted Sediment Distributions in the Back-Barrier Tidal Flats of the East Frisian Wadden Sea (Southern North Sea)

F. Krögel, B. W. Flemming

Special Publications of SEPM

... To facilitate the 0 0 0 V g O 282 0 482 calculation of critical shear velocity on the basis of settling velocity the following equation was developed U 0 15...

An immersed absorbing boundary condition for scalar wavefield modeling under topography

KeJi Chen, Hanming Chen, Hui Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the artificial truncation boundary in wave equation numerical simulation to mimic an unbounded computational domain. When seismic waves enter ABC, they behave...

Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 2

R. H. Fleming, Roger Revelle

AAPG Special Volumes

.... This relationship is expressed in the following equation. [EQUATION] For a semi-diurnal wave, S sin where is the latitude, T the period...

Modeling consolidated sandstones with dispersed clay

J. Gallop, L. Vernik, F. Contreras, J.-G. Restrepo, S. Blanco, G. Alvarez

International Meeting for Applied Geoscience and Energy (IMAGE)

... − 𝜑 𝑐𝑙 (1 − 𝑣 𝑐𝑙 ) 𝑐𝑙 (1) where 𝑣 ∗ denotes the boundary between a shaley sand and 𝑐𝑙 a silty shale. Equation 1 is plotted in Figure 1...

Abstract: A New Approach to Seismic Interpretation in Challenging Imaging Environments, by C. Edward Helsing and David C. Berman; #90067 (2007)

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Abstract: A Novel Pre-Stack Inversion Technique Investigating a Carbonate Reservoir’s Rock Properties, by Michael Fleming, Sarah Corrie, Gary Yu, and Gary Perry; #90077 (2008)

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Abstract: Nonlinear Inverse Problems: Depth Imaging Challenges, by Sunjay S. Sunjay; #90081 (2008)

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ABSTRACT: Quantifying CO2 Saturation from Time-Lapse Well Logging in an Onshore Saline Aquifer, Nagaoka, Japan; #90061 (2006)

Ziqiu Xue, Jiro Watanabe, and Daiji Tanase

Search and Discovery.com

... results strongly suggested the capability for quantifying CO2 concentration from seismic wave data with Gassmann’s equation. AAPG Search and Discovery...

Abstract: Application of Viscoacoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data; #90246 (2016)

Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones

Search and Discovery.com

... to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...

Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)

Yue Ma, Tong W. Fei, Yan Wu, Yi Luo

Search and Discovery.com

... Full traveltime inversion (FTI) is a newly developed wave-equation-based traveltime inversion methodology to automatically invert a kinematically...

Best Practices for Sub

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Full-waveform inversion using velocity-encoded physics-informed neural networks

Mohammad Taufik, Xinquan Huang, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... this this work. INTRODUCTION The solution to the wave equation has been at the heart of various geophysical breakthroughs in applications ranging from seismic...

Manganese-Nodule Bedforms and Thermohaline Density Flows in a Deep-Sea Valley on Carnegie Ridge, Panama Basin

Peter Lonsdale

Journal of Sedimentary Research (SEPM)

... migrated almost directly up-slope; Core 13P into a sand wave (Fig. 4) sampled 60 cm of Re ent foraminiferal sand unconformably overlying Pliocene ooze...

Abstracts: Nodal Galerkin Methods for Numerical Modelling of Linear Elasticity with Absorbing Boundary Conditions; #90173 (2015)

Matt McDonald, Michael Lamoureux, and Gary Margrave

Search and Discovery.com

... in the spatial domain and converges exponentially. It is appropriate for any formulation of the elastic wave equation in any number of spatial dimensions...