Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion

Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... aperture between -5 and 30 degrees. The aperture range is designed to be symmetric with respect to the layering direction and to mitigate anisotropic...

Preparation of Seismic Data For Stratigraphic Work

Abilene Geological Society

... source creates a zero-phase wavelet in the data. A zero-phase wavelet is symmetric about its origin and is also shown in figure 3-2. If we use...

Petroleum Potential of the Mediterranean Basins

Pierre F. Burollet

CSPG Special Publications

... first give a short definition of the main characteristics of the Alpine system. It is an elongated mobile belt, comprising symmetric and divergent units...

Miocene Paleobathymetric Changes of the Santa Rosa-Cortes Ridge Area, California Continental Borderland

Robert E. Arnal

Pacific Section of AAPG

... the surrounding sea floor. San Nicolas Island might have been an island in early Miocene time. Assuming roughly symmetric closure to the north and south...

Diatom ecology and microbial mat structure and function in Antarctic Dry Valleys

Lee F. Stanish, John R. Spear

PALAIOS

... of these species belong to the relatively young (30– 50 Ma [Kooistra et al., 2007; Sorhannus, 2007]) group of bilaterally symmetric, raphid pennates...

Tectonic Development and Hydrocarbon Potential Offshore Troms, Northern Norway

T. Sund, O. Skarpnes, L. Norgard Jensen, R. M. Larsen

AAPG Special Volumes

... the Ringvassoy-Loppa Fault Complex (Figure 4A). The basin is symmetric, with a doming of the pre-Kimmerian sequences parallel to the basin axis that was active...

Finite-difference modeling of marine vibrator sources

Khalid Almuteri, Jeffrey Shragge, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... ∂ ∂ξν , µ, ν = 0, · · · , 3, (2) where [gµν ] is a symmetric rank-two contravariant metric teng sor, |g | is the determinant of the covariant...

Interaction of Plates Revealed in the Northern Range of Trinidad Field Trip Guide

Algar, S.

Geological Society of Trinidad & Tobago

.... The majority of these are visible in this section (Fig. 5), though here the F 1 folds are symmetric because we are in the core of the anticline to which...

Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...( ∙ ) are symmetric structures. The generator of GRAN is different from other recurrent structures. The model starts from the decoder f (·). At each time...

Anisotropy parameters for fractured shales

Leon Thomsen, Colin Sayers

International Meeting for Applied Geoscience and Energy (IMAGE)

... stiffnesses given by the symmetric matrix: C OR 0 0  C11 C12 C13 0   0 0   C22 C23 0   0 0   C33 0 =  0   C44 0    C55 0    C66...

Stratigraphic Record of River-Dominated Crevasse Subdeltas With Tidal Influence (Lajas Formation, Argentina)

Marcello GugliottA, Stephen S. Flint, David M. Hodgson, Gonzalo D. Veiga

Journal of Sedimentary Research (SEPM)

... mudstone drapes, asymmetric ripples showing opposed paleocurrents (Fig. 5), and rare symmetric ripples. FA 4 shows an upward-coarsening trend and an upward...

Timing and Processes of Fracture Formation in Tight-Gas Sandstone Reservoirs Using Fluid Inclusions

Andras Fall, Peter Eichhubl, Stephen E. Laubach

Unconventional Resources Technology Conference (URTEC)

... of the Raman CH 4 symmetric stretching (ν1) band position from 1–650 bar and 0.3–22°C: application to fluid inclusion studies. Geochimica et...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... paths thus traced are symmetric about the midpoint. Where the reflector is dipping there is no longer a common reflection point. Figure 1 illustrates...

Noise analysis and ML denoising of DAS VSP data acquired from ESP lifted wells

Ge Zhan, Yao Zhao, Cheng Cheng, Josef Heim, Weihong Fei, Mike Craven, Scott Baker, Gilles Hennenfent

International Meeting for Applied Geoscience and Energy (IMAGE)

... the raw DAS data. The network consists of an encoder-decoder framework with symmetric convolutional-deconvolutional layers and skip connections (Figure...

Assessment of the Lahendong Geothermal Field, North Sulawesi, Indonesia

S. Surachman, S. A. Tandirerung, T. Buntaran, D. Robert

Indonesian Petroleum Association

...-tectonic depression of Tondano, therefore, is not symmetric due to a major downthrow in the eastern part which abates westwards. The Geology...

Feasibility Study of Adiabatic Compressed Air Energy Storage in Porous Reservoirs

Jason P. Czapla, M. B. Clennell

Australian Petroleum Production & Exploration Association (APPEA) Journal

... is as follows: • 100 MW power capacity and symmetric charge/discharge ranging from 4 to 10 h. • Storage pressure 15 MPa (average designed BHP in PG&E...

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)

..., and D. Wu, 2020, An immersed boundary method with iterative symmetric interpolation for irregular surface topography in seismic wavefield modelling...

Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation

Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Fig. 1). This system repeats to transmit a symmetric triangular current pulse about for 1.945 msec and interrupt, and measures the secondary field...

Rhythmic Sediments

Eric J. Barron, George T. Moore

Special Publications of SEPM

... is at a maximum. The mid-latitude jets are not zonally symmetric, rather they are tied to oceancontinent distributions (Fig. 12.1). In winter, the average...

Remaining Hydrocarbon Potential in the Subandean Basins: A Regional Perspective

C.E. Macellari

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... petroleum system. In general it can be observed that source rocks in the Subandean Basins display a roughly symmetric distribution with an increase in age...

Quantitative Biofacies Analysis

Martin A. Buzas

Special Publications of SEPM

... the variance-covariance matrix is always a square symmetric matrix. analyses other measures of association or distance are employed (Cheetham and Hazel...

Nano- to Microscale Pore Characterization of the Utica Shale

Alexander M. Swift, Julia Sheets, David R. Cole, Lawrence M. Anovitz, Susan A. Welch, Xin Gu, David F. Mildner, Steve J. Chipera

Unconventional Resources Technology Conference (URTEC)

...-dependent Anisotropy The scattering intensity of neutrons travelling normal to the sample surface was found to be azimuthally symmetric for samples cut...

Deep learning software accelerators for full-waveform inversion

Sergio Botelho, Souvik Mukherjee, Vinay Rao, Santi Adavani

International Meeting for Applied Geoscience and Energy (IMAGE)

... will be closely related to the network depth, defined here as the number of ”levels” with symmetric encoder/decoder blocks linked by skip connections (Figure 3...

Calculating sensitivities for 3D inversion of electromagnetic well logging data

Cícero Régis, Paulo Roberto de Carvalho

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the solution to a large, sparse, and symmetric system of linear equations, Ghs = f, (2) where G is called the global matrix, f is the source...

Lower Devonian Reefs of The Coeymans Formation in The Northern Appalachian Basin

William F. Precht

CSPG Special Publications

... of a regional stratigraphic, sedimentologic and paleoecologic model. Carbonate sedimentation took place on symmetric, gently sloping rises (10-15 cm/km...