Examples of fault steps controlling event migration in seismic swarms

Vincent Roche, Mirko van der Baan, John Walsh

International Meeting for Applied Geoscience and Energy (IMAGE)

..., waveform crosscorrelation), producing high-resolution images of seismicity, with horizontal and vertical relative errors of c. 50-100 m. The readers...

An efficient implementation of energy-ratio coherence algorithm using equivalent simplification and recursion strategies

Jingkun Sui, Xiaodong Zheng, Tianyue Hu

International Meeting for Applied Geoscience and Energy (IMAGE)

... vector of the constituent. Cross-correlating this eigenvector with the kth sample vector that includes the analysis point gives a crosscorrelation...

Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... angle was chosen to be the one showing maximum symmetry in the crosscorrelation output. This angle was used to project the data to get S1 and S2...

Seismic Attributes for Stratigraphic Feature Characterization

Search and Discovery.com

... the coherence attribute which computes coherence coefficients from seismic amplitudes on adjacent traces using a crosscorrelation technique. AAPG Search...

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... solution for each channel (crosscorrelation of the estimated wavelet with the data): ~ m = L' d , k = 1,2,..., NTR, (8) k k AAPG Search and Discovery...

Abstracts: Borehole Geophone Repeatability Experiment; #90173 (2015)

Peter G. Gagliardi and Don C. Lawton

Search and Discovery.com

...  ab (t ) PRED   aa (t ) bb (t ) , (4) where ab is the crosscorrelation between traces at and bt, using the time window t1-t2. This metric will give...

Abstract: Monte Carlo Statics: The Last Frontier; #90211 (2015)

David LeMeur and Sophie Merrer

Search and Discovery.com

... annealing scheme using pre-stack data rather than the result of crosscorrelation functions. The efficiency and the robustness of this method...

Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)

David C. Henley

Search and Discovery.com

... shifting with crosscorrelation and deconvolution. Raypath interferometry was first successfully applied to a high-resolution seismic line...

A factorization-based, tile low-rank parametrization for 3D multidimensional deconvolution

Fuqiang Chen, Matteo Ravasi, David Keyes

International Meeting for Applied Geoscience and Energy (IMAGE)

..., S., T. Matsuoka, T. Tsuji, D. Draganov, J. Hunziker, and K. Wapenaar, 2011, Seismic interferometry using multidimensional deconvolution and crosscorrelation...

Time-lapse monitoring of saltwater disposal in Kansas and Oklahoma using ambient noise

Lonn Brown, Mirko van der Baan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The differences between the branches of the crosscorrelation results are significant, although at this point are difficult to conclusively attribute...

An automatic velocity picking method based on object detection

Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... to that of manual picking. Method The velocity spectrum is generated by scanning a series of NMO correction velocities defined and writing the crosscorrelation...

Interactive channel interpretation using deep learning

Hao Zhang, Peimin Zhu, Zhiying Liao, Zewei Li, Dianyong Ruan

International Meeting for Applied Geoscience and Energy (IMAGE)

... resolution compared with the original zero mean crosscorrelation algorithm, thus reducing the mixing of overlying or underlying stratigraphic features...

Reservoir Rocks Behaving Differently

Thomas Smith

GEO ExPro Magazine

... with the input signal. Drag Wave is an important signal that is being ignored because the crosscorrelation with the primary swept frequency acts like...

Monument Butte 3DReprocessing case study in Uinta Basin

Mitch Preston, Xinxiang Li, Seth Berman, Phillip Keith, Christopher Egger, Josef Heim, Nebojsa Pralica, David Brookes, James Beck

International Meeting for Applied Geoscience and Energy (IMAGE)

...–1540, doi: https://doi.org/10.1190/tle32121456.1. Nagarajappa, N., and P. Cary, 2015, Unbiased surface-consistent scalar estimation by crosscorrelation...

Choosing the Best 3D Seismic Dataset for Reservoir Interpretation: A Case Study in Tunu Shallow Zone, Mahakam PSC, Indonesia

Teuku Reiza Yuanda, Rangga A. Brahmantio

Indonesian Petroleum Association

...-stacks, within the defined intervals. The measured element is the mean value of crosscorrelation. The higher the correlation value, the more...

DAS dispersion image analysis for landslide monitoring

Steve Cole, Paul Clarkson, Martin Karrenbach, Victor Yartsev

International Meeting for Applied Geoscience and Energy (IMAGE)

... noise recordings (Martin et al., 2017) through crosscorrelation of trace pairs. Dispersion images are formed by Obtaining these velocity profiles...

Wave equation traveltime Kirchhoff with real data applications

Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... the crosscorrelation-based wave-equation Kirchhoff migrations that have been previously proposed. INTRODUCTION Conventional Kirchhoff migration has three...

3D3C seismic exploration for tight sand reservoirs: Case study in western China

Wang QinGeng, Hu Shanzheng, Zhao Rongrong, Xie Wanxue, Zhou Ming, Ren Cong, Jing Longjiang, Luo Ji

International Meeting for Applied Geoscience and Energy (IMAGE)

... by crosscorrelation energy function method by both primary wave and converted wave common receiver-station point profiles. The method above was applied to the study...

Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations

Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello

International Meeting for Applied Geoscience and Energy (IMAGE)

... from the monitor scenario equations and compared to first break picking and crosscorrelation (Zadeh & Landrø, 2011). Number of shots 1599 Shot...

Full-waveform inversion derived prestack reflectivity gathers

Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-tuning parameter 𝜆 is the weight between the kinematic and the dynamic terms that can be determined based on the crosscorrelation coefficient between...

Using the amplitude spectrum to characterize cable coupling of DAS traces

Jiuxun Yin, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... before, and thus helps better understanding of the data characteristics. amplitude spectra pairs. We choose the crosscorrelation coefficient (ccc...

Seismic monitoring of CO2 injections in a carbonate saline aquifer onshore Abu Dhabi

Guillaume Cambois, Jane Mason, James Cowell, Olivier Kirstetter, Mohamed Mahgoub, Muhammad Waqas, Abdulla Al Neyadi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., which is confirmed by strain data (Figure 7). Figure 6: Time differences (in ms) picked on crosscorrelation of sliding windows. The freshwater...

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... and the crosscorrelation coefficient between recorded data and synthetic data as a weight function in the gradient computation to promote traveltime measurements...

ABSTRACT: The Heterogeneity Cube: a Family of Seismic Attributes; #90007 (2002)

Imhof M.G.

Search and Discovery.com

... the full datacube d. The probe v is then correlated with the datacube d to estimate the local crosscorrelation ˆ function (LCCF ) R(∆x, ∆y, ∆z; x, y, z...

Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and Discovery.com

... and/or Method The common shot WEM imaging condition used in this paper is based on the scaled temporal crosscorrelation between the upward propagating...