Abstract: Is Surface Monitoring Biased Towards Specific Source Mechanisms?; #90310 (2017)

Pierre Roux

Search and Discovery.com

... the retrieved microseismicity and potentially leading to mis-interpretation. To this effect, we have generated two synthetic microseismic catalogues...

Abstract: Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #90319 (2018)

Ryan Adhi Putra, Abdullatif Al-Shuhail

Search and Discovery.com

... in the array. In reflection seismology, the purpose of using seismic geophone arrays is to enhance the signal-to-noise (S/N) ratio. Moreover...

Abstract: Interpreting Microseismicity Generated by Hydraulic Stimulation: Is Surface Monitoring Biased Towards Specific Source Mechanisms?; #90319 (2018)

Pierre Roux

Search and Discovery.com

... microseismicity and potentially leading to mis-interpretation. To this effect, we have generated two synthetic microseismic catalogues in which events...

Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition

Jiahang Li, Hitoshi Mikada, Junichi Takekawa

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 3 shows the real part of the observed data, where (a) is the data without noise and (b) is the data with the addition of 6.998 dB of random...

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... noise free. The data were deconvolved using signature deconvolution (see Appendix), corrected for normal moveout (NMO) using the velocity of water...

Gleaning Meaningful Information from Seismic Attributes

Search and Discovery.com

... filter or a median filter are commonly used during processing to tackle random noise. A more desirable application would be of a dip-steered mean...

Abstract: Statics Preserving Sparse Radon Transform; #90224 (2015)

Nasser Kazemi

Search and Discovery.com

... problem and solved via alternating minimization method. Real data examples used to test the performance of the proposed method in multiple and noise...

Abstract: Refinement of Arrival-Time Picks Using an Iterative, Cross-Correlation Based Workflow; #90224 (2015)

Jubran Akram and David W. Eaton

Search and Discovery.com

... weighted cross-correlation is computed to reduce the effect of noise on individual components on the time-delay estimation. Previously, trace based S/N...

Discrete Fracture Network Simulation of Production Data from Unconventional Wells

Thomas Doe, Chunmei Shi, Clifford, Knitter, Cristian Enachescu, Stefan Rohs

Unconventional Resources Technology Conference (URTEC)

... before significant matrix flow occurs. When the matrix is relatively permeable, the effect of the matrix appears before the end of the fracture-only...

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... signal-to-noise this method is higher resolution than the velocity method. Survey Description (Slide 13) The KTK survey was shot with a combination...

Pematang Lantih Vibroseis 3D Seismic Survey: An Innovative Technique Applied in Sumatra

Adde Avrino, Jacques Bonnafé-Clauss, Susanto S. Wibowo, Jeres R. Cherdasa, Rimbawan Prathidina, Nobuhito Shimada, Stevanus P. Silaban

Indonesian Petroleum Association

... with the local people: no stops, no equipment destruction or stealing. Noise OPERATIONS The random noise was a concern only in specific areas: like near...

Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes

Rafael Souza, David Lumley, Jeffrey Shragge

Petroleum Exploration Society of Australia (PESA)

... is the effect of 4D seismic data noise on procedures to estimate reservoir properties as this noise is usually assumed to be minor or non-existent (Lumley...

Submarine Ramp Facies Model for Delta-Fed, Sand-Rich Turbidite Systems: DISCUSSION

John W. F. Waldron

AAPG Bulletin

... hypothesis that each difference is independent of the previous value. This is clearly not a reasonable null hypothesis, because even in a random...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

.... More importantly, the ghosts have been significantly reduced in this stack (Fig. 9). Increased fold allows random noise to be reduced during...

Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology

Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... between effective signals and random noise, thereby improving the lateral continuity of the same phase axis and enhancing fault or lithologic...

Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

..., unlike the image processing case, data points missed at random in seismic data are whole traces and as a result we have many whole zero columns...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

..., Huang et al. (2014) highlight the detrimental effect on the image of: (i) undersampled and irregular acquisition geometry; (ii) weak amplitudes...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... to further exploration in the area has been the lack of high-quality 3D seismic data. The main seismic imaging challenge is the effect of the high...

Technical Article: Finding Subtle Traps with Seismic: Interpretative Criteria Clarified

A. Easton Wren

Petroleum Exploration Society of Australia (PESA)

... is not lack of awareness or understanding, but the subtle aspects themselves, as well as our present inability to generate truly noise-free data from...

Gravity Evidence for the Thinning of the Crust Around the North Sumatra Area

Wawan Gunawan A. Kadir, Sigit Sukmono, M. T. Zen, Lilik Hendrajaya, Djoko Santoso

Indonesian Petroleum Association

... Anomaly in Figure 4). Figure 8. Density Variation Map of Shallow Effect at 5 km Depth (as the result of 3-D deconvolution of Figure 6) Figure 9. Density...

Abstract: Q Estimation by a Match-filter Method; #90174 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... respectively. More often, there are spikes or notches in the spectrum caused by noise or the tuning effect of local reflectors, which cause problems...

Improved Nanoscale Image-based Reservoir Characterization using Supervised Machine Learning

Shannon L. Eichmann, Poorna Srinivasan, Kevin Kenga, Mohammed Khan, Fabian Duque, Felix Oyarzabal, James Howard, Shawn Zhang

Unconventional Resources Technology Conference (URTEC)

... but different shapes and textures as well as distinguish random noise from real objects. Therefore, reducing mislabeled components associated with surface...

Integration of Time Lapse Seismic and Dynamic Reservoir Model Facilitate EOR Immiscible Water Alternating Gas (IWAG) Programme in Oil Field, Offshore Peninsular Malaysia, #40886 (2012)

Russikin Ismail, Noreehan Shahud, Yeshpal Singh, Ramli Ibrahim

Search and Discovery.com

... Data Acquisition - Implementation Random noise analysis was analyzed at the reservoir level with dominant frequency of 35hz. 0%, 2% ,5% and 10...

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... process and the model was bathed in water at various depths to show the effect of water depth on seismic data quality. Two dimensional data were recorded...

Abstract: Depth Migration of Monostatic and Bistatic Georadar Data; #90187 (2014)

Robert J. Ferguson, Matthew J. Yedlin, Christian Pichot, Jean-Yves Dauvignac, Nicholas Fortino, and Stephane Gaffet

Search and Discovery.com

... actually have reduced off line noise that might have a contaminating effect on the monostatic ZOM. We find that both the monostatic ZOM and bistatic PSDM...