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The AAPG/Datapages Combined Publications Database

Showing 772 Results. Searched 200,293 documents.

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Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)

Langqiu Sun

Search and Discovery.com

... as the component’s frequency. Fig. 5 is a demonstration of this method, using the same Vibroseis data as above. Considering convolution in time domain...

2015

Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)

Keith Wilkinson, Richard Bale, and Ken Gray

Search and Discovery.com

.... The actual combination of ray-paths is performed through a crossconvolution of the data with a primary-only wavefield estimate, since convolution corresponds...

2015

Seismic-Sedimentologic Study of Lacustrine Gravity-Flow Channels: Oligocene ES1 Formation, Qinan Sag, Huanghua Depression, China, #50754 (2012)

Huaqing Liu, Hong Zhong, Zhang Jing

Search and Discovery.com

... deformation developed commonly, such as sandy convolution deformation Granularity(Φ) Ф (Fig.3,m) , S type deformation of thin muddy stripped belt (Fig.3,q...

2012

A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu

Search and Discovery.com

... statistical wavelet de-convolution, and the processing QC technologies (Ling Yun, Gao Jun etc., 2002, 2004). Shown in Figure 9 are the QC plots...

2013

Coherence Attribute Applications on Seismic Data in Various Guises, #42273 (2018).

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... with the input seismic trace about each sample to form v(t,f) and vH(t,f). The convolution with the real wavelets provides the voices, v(t,f). The spectral...

2018

A Big Fan of Signals? Exploring Autogenic and Allogenic Processes in Lobyte3D, a Numerical Stratigraphic Forward Model of Submarine Fan Development; #51593 (2020)

Peter Burgess, Isabella Masiero, Stephan Toby, Robert Duller

Search and Discovery.com

... stacking is visible, or could be inferred, from seismic images? Norsar software used to run depth-domain convolution modelling with integrated...

2020

3D Seismic Facies Classification on CPU and GPU HPC Clusters

Sergio Botelho, Vishal Das, Davide Vanzo, Pandu Devarakota, Vinay Rao, Santi Adavani

Unconventional Resources Technology Conference (URTEC)

... CNN architectures." Society of Exploration Geophysicists. 2036–2040. Dumoulin, V. and Visin, F. 2018. "A guide to convolution arithmetic for deep...

2021

Pressure Transient Analysis in Unconventional Resources

I. D. Paton, G. Stewart, C. Y. Tan, M. Wasik

Indonesian Petroleum Association

...) and CTP solutions of the diffusivity equation will be employed. In Chapter 14 of “Well Test Design and Analysis”6 a real time convolution algorithm...

2012

Anhydrite Diagenesis, Calcitization, and Organic Laminites, Winnipegosis Formation, Middle Devonian, Saskatchewan

D. J. Shearman, J. G. Fuller

CSPG Bulletin

..., but the calcitic anhydrite fluoresces strongly. Enterolithic structures in the white calcitic layers exhibit noticeably stronger convolution than those...

1969

Paleoflow Patterns and Macroscopic Sedimentary Features in the Late Devonian Chattanooga Shale of Tennessee: Differences Between the Western and Eastern Appalachian Basin

Jorgen Schieber

CSPG Special Publications

... in the same outcrop. Shale beds in these “pockets” (several metres wide, up to 1 m thick) show convolution accompanied by disruption of beds. A matrix...

1994

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... is described as follows. Assuming that the seismic trace is the convolution in time of a wavelet (w) with the reflectivity series (r), the seismic trace...

2016

Analysis of Fracture Injection Tests using Signal Processing Approach

I. Eltaleb, A. Rezaei, F. Siddiqui, M. M. Awad, M. Mansi, B. Dindoruk, M. Y. Soliman

Unconventional Resources Technology Conference (URTEC)

... corresponds to the mathematical operation of convolution of the signal with an impulse response of the filter. The convolution equation is given...

2020

Auto-identification and Real-time Warning Method of Multiple Type Events During Multistage Horizontal Well Fracturing

Mingze Zhao, Yue Li, Yuyang Liu, Bin Yuan, Siwei Meng, Wei Zhang, He Liu

Unconventional Resources Technology Conference (URTEC)

... structure performs feature extraction and dimensionality reduction of the pressure vs. slurry rate plots through the 2D Convolution and the Max pooling...

2023

Biogenic Sedimentary Structures Produced by Worms in Soupy, Soft Muds: Observations from the Chattanooga Shale (Upper Devonian) and Experiments

Vadec Lobza, Jurgen Schieber

Journal of Sedimentary Research (SEPM)

... Shale burrows; (2) the degree of convolution increases as the viscosity of the substrate decreases; (3) the length of the worm determines the extent...

1999

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

... algorithms. These range in sophistication from a convolution algorithm that produces an ideal poststack, time-migrated seismic section to an algorithm...

2002

Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

... the derivative log makes a zero crossing (Figure 3). The second derivative (or second difference) log is computed from the polynomial trend by convolution...

1994

Depositional Mechanics of Thick-Bedded Sandstones at the Base of A Submarine Slope, Tourelle Formation (Lower Ordovician), Quebec, Canada

Richard N. Hiscott, Gerard V. Middleton

Special Publications of SEPM

... cor states cross Convolution almost in variably occurs below a scour surface and is not formed by deformation of ripples but can proba bly...

1979

Pigeon Point Formation: An Upper Cretaceous Shoreline Succession, Central California Coast

John H. Tyler

Journal of Sedimentary Research (SEPM)

... convolution: Acad. Polonaise Sci. Bull., Ser. Sci. Geol. et Geog., v. 13, p. 135-139. FAGERSTROM, J. A., 1967, Development, flotation, and transportation...

1972

Assessing continuous resources – building the bridge between static and dynamic analyses

Kenneth C. Hood, Donald A. Yurewicz, Kurt J. Stefen

CSPG Bulletin

... to specific completion scenarios. Monte Carlo convolution of volumetric inputs for each subplay polygon will produce probabilistic distributions...

2012

Rate Transient Analysis of Fracture Swarm Fractal Networks

Jorge A. Acuña

Unconventional Resources Technology Conference (URTEC)

... or its transition time. We recommend setting up the convolution function (Eq. 7) with the constant pressure solution in Appendix B and use...

2020

Hydraulic Fracture Characterization Using Continuous Wavelet Transform for Treating Pressure, Calibrated with Fiber Optics Data

Mohamed A. Gabry, Amr Ramadan, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

..., interactions with high leak-off zones, and fracture height growth. The CWT is implemented as a mathematical convolution process, using wavelets—short...

2025

Shannon Sandstone in Wyoming: A Shelf-ridge Complex Reinterpreted as Lowstand Shoreface Deposits

Roger G. Walker, Katherine M. Bergman

Journal of Sedimentary Research (SEPM)

... and the upper bedding surface can be traced in an absolutely straight line for more than 10 m. Several sets show local convolution, with the tops of the sets...

1993

Spatial Variation in Turbidite-To-Contourite Continuums of the Kiwada and Otadai Formations in the Boso Peninsula, Japan: An Unstable Bottom-Current System in a Plio-Pleistocene Forearc Basin

Makoto Ito

Journal of Sedimentary Research (SEPM)

..., 6A). Ripple cross-laminated deposits commonly show convolution and fine upward either to upper parallel-laminated deposits (division Td of Bouma 1962...

1997

Sediment Flow and Deformation (SFD) Layers: Evidence for Intrastratal Flow in Laminated Muddy Sediments of the Triassic Osawa Formation, Northeast Japan

Gentaro Kawakami, Makoto Kawamura

Journal of Sedimentary Research (SEPM)

..., although a few turbidite sand beds show convolution or load structures at their bases. DESCRIPTION Mesoscale Structures The SFD layers are horizontally...

2002

Along-Axis Segmentation and Growth History of the Rome Trough in the Central Appalachian Basin1

Dengliang Gao, Robert C. Shumaker, and Thomas H. Wilson

AAPG Bulletin

..., and normal incidence synthetic seismograms were computed (Figure 5). The synthetic seismograms are derived from the convolution between reflection coefficients...

2000

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