Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

..., minimum-phase, Butterworth filter (Peter Maxwell, 2010). Such a filter, appropriate for the 10Hz geophones, was designed in Matlab, a timedomain wavelet...

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

... functions, and the forces are taken to be a Ricker wavelet in time and conservative in space. Various models for anisotropy or viscoelasticity can...

The Use and Abuse of Seismic Attributes Geophysical Corner, by Hans E. Sheline, #40143 (2005).

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Interpretation Value of Anomalous (‘Impossible’) Frequencies, by Bob Hardage, #40286 (2008)

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Tying 2-D Seismic Lines in Overthrust Settings, by Rob Vestrum, #41007 (2012).

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De-Risking a Gas Development Using Geophysical Methods; #41086 (2012)

Alessandro Mannini, Phil Rawstron, Shin Ni Chai, and Andrew Spedding

Search and Discovery.com

... to the lack of well controls as well as due to the uncertainties associated with wavelet extractions near the gas cloud. In order to account for the above...

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

... indicates that the wavelet becomes more stable after processing. The travel time of P-wave, which is different from true travel time observed in WVSP data...

Analysis of Time-lapse Multicomponent Seismic Data from a Potash Mining Area in Saskatchewan, Canada, #41275 (2014)

Andrew Nicol, Don Lawson

Search and Discovery.com

... to the synthetic seismograms on the right. The PP synthetic (a) is produced using a zero phase, 5-10/100-120Hz Ricker wavelet and the PS synthetic (b...

3D Seismic Proves Its Value in Bakken Geosteering, #41435 (2014).

Angie Southcott

Search and Discovery.com

... is applied post-stack, and based on two assumptions commonly used in seismic processing: first, the seismic wavelet is stable and stationary over...

Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).

Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk

Search and Discovery.com

... wavelet-vaguelette method (WVD), as proposed by Donoho 1995 and later by Candes and Donoho, 2000, where scale-invariant homogeneous operators are inverted...

Spectral Balancing Aids Seeing Faults More Clearly, by Satinder Chopra and Kurt J. Marfurt; #41594 (2015).

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3D Seismic Attributes Analysis in Reservoir Characterization: The Morrison NE Field, Clark County, Kansas; #20342 (2016)

A. Vohs, A. Raef, M. Totten

Search and Discovery.com

... wells within the study area were drilled where the Viola thickens which can be seen by the seismic wavelet turning into a doublet. Unfortunately...

Accurate 3D Bathymetry Representation in Low-Dispersion Finite Differences; #70242 (2017)

Miguel Ferrer, Josep De La Puente, Santiago Fernández Prieto

Search and Discovery.com

... wavelet 19 2D bathymetry example 2D water-ground interface 20 2D bathymetry example 2D water-ground interface 21 2D bathymetry example 2D water...

Mapping Lower Austin Chalk Primary and Secondary Porosity Using Modern 3-D Seismic and Well Log Methods in Zavala County, Texas; #11139 (2018)

David Kilcoyne, Christopher L. Liner

Search and Discovery.com

.... & Neg. Curvature A synthetic seismogram was performed on the Holdsworth Trust (92% corr.) and Holdsworth Nelson (95% corr.), using a wavelet extracted...

Relative Rock Properties … An Alternative to Estimate Reservoir Properties from Seismic Data; #42177 (2018)

Alvaro Chaveste

Search and Discovery.com

... the difference between observed data and data modeled through relationships that incorporate AVO, the offset-varying wavelet and a low frequency model...

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... variations due to wavelet interference along the unconformity reflection where no petrophysical changes were modeled. The seismic models of the Djebel Bou...

Optimizing Appraisal via a Fit-for-Purpose Seismic Inversion Conditioned Geologic Model: A Case Study From JŽ Field, East Java

Sony Radito Mohammad, Colin Lyttle

Indonesian Petroleum Association

... is divided into three major steps. The first step is wavelet extraction. In this instance, the wavelet was extracted using the nearby “C” well after...

Reconditioning Seismic Data for Improved Reservoir Characterization, Lower Clear Fork and Wichita, Fullerton Field, West Texas

Hongliu Zeng, Stephen C. Ruppel, Rebecca H. Jones

West Texas Geological Society

... (or attempts to produce) 0°-phase seismic data as the final product. Interpretive advantages of 0°-phase data include wavelet symmetry, center lobe...

Building integrated seismic and geomechanical models for the Brazilian presalt reservoirs development

Talles Barsanti Meneguim, Thelson Luiz Pinheiro de Almeida, Renata dos Santos Giacomel, Viviane Kotani Shimizu, Antonio M. Nabuco Tartarini, Alexandre Rodrigo Maul, Raquel Quadros Velloso

International Meeting for Applied Geoscience and Energy (IMAGE)

... the residual seismic pulse (wavelet) must be removed from seismic data. Figure 1A illustrates the normalized wavelets frequency spectrum throughout...

Seismic reflectivity inversion via a regularized deep image prior

Hongling Chen, Mauricio D. Sacchi, Jinghuai Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... the multi-trace seismic data. The symbol W denotes the Toeplitz matrix of the wavelet used to represent convolution via matrixtimes-vector multiplication...

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the seismic data, and then obtained the seismic data sensitive to the sandstone reservoir through the wavelet reconstruction technology, so...

A Clearer Vision with Seismic Inversion

Christian Ellis, Abbie Morrison, Niall Mark, Heather Poore, Jim Jordan, Mark Pay, Frederik Horn, Henrik Juhl Hansen

GEO ExPro Magazine

.... The Colour of Sound – Images of Hydrocarbons by applying further seismic processing. Wavelet definition is equivalent to find­ ing the acoustic fingerprint...

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)

... pressure level (7 Mbar vs 94 Mbar). The source spectrum comparison is shown in figure 1. To better estimate the source wavelet, near field hydrophones were...

Fracture-cavity carbonate reservoir identification based on channel attention mechanisms

Liuxin Yang, Yongqiang Ma, Guangxiao Deng, Zhen Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... information from input data. The kernel size is generally the same as the length of wavelet. The output layer is also a convolutional layer with one convolution...

Predicting Formation Target Depth Ahead of the Bit with High Accuracy: A Case Study from the Arun Field for a Deviated Well

William L. Soroka

Indonesian Petroleum Association

.... A good image of the Baong shale interface was important so that a seismic wavelet could be determined. The Baong shale interface was also used...