Relation between dips of prestack time migrated and unmigrated data

Jagmeet Singh

International Meeting for Applied Geoscience and Energy (IMAGE)

... Geophysicists and the American Association of Petroleum Geologists REFERENCES Chun, J. H., and C. Jacewitz, 1981, Fundamentals of frequency-domain migration...

Advanced digital tools for passive seismic monitoring of a heavy oil field at Cold Lake, Alberta, Canada

Adarsh Kumar Gupta, Stefano Scaini, Ravi Singh, Simona Costin, Colin Brisco, Raj Janakkumar Bhutwala, Shelly Dutta, Monomita Chattopadhyay, Divyanshu Yadav, Taylor Fink

International Meeting for Applied Geoscience and Energy (IMAGE)

... utilizes features from the time series and the frequency domain. The developed HYE model utilizes the random forest method and hyperparameter tuning...

Scale reduction using magnetotellurics … a mineral exploration example from the Olympic Domain, South Australia

Stephan Thiel, Kate Robertson, Wenping Jiang

Petroleum Exploration Society of Australia (PESA)

... into the frequency domain using robust remote referencing processing schemes. The frequency of the signal as well as the bulk resistivity of the subsurface determines...

Calibration of Double-Ended Distributed Temperature Sensing System for Production Logging

Ge Jin, Kyle Friehauf, Baishali Roy

Unconventional Resources Technology Conference (URTEC)

... instability is calibrated using borehole gauge measurement and the DTS data itself. This calibration is performed in the frequency domain to improve...

Seeing through the Salt

Jerry Kapoor, Nick Moldoveanu, Denes Vigh

GCAGS Transactions

... of Exploration Geophysicists 83rd Conference and Exhibition Extended Abstracts. Plessix, R.-E., 2009, Three-dimensional frequency-domain full-waveform...

Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis

Jerry Kapoor, Denes Vigh

GCAGS Transactions

... 74th Annual Conference and Exhibition Extended Abstract W011, 5 p . Plessix, R.-E., 2009, Three-dimensional frequency-domain full-waveform inversion...

Parameterizing and Block-Averaging Electrical Characteristics of a Reservoir: an Essential part of Electrical/Electromagnetic Evaluation of Production Process: Reservoir Characterization and Modeling

A. J. Mansure

AAPG Special Volumes

.... Frequency-domain plane-wave forward modeling was performed for the fine structure and the block average profiles (see Figure 2). The conductivity...

EXTENDED ABSTRACT: Imaging Sub-Basalt Sediments Using Marine Electromagnetic Sounding; #90022 (2002)

L. MacGregor

Search and Discovery.com

... (CSEM) sounding in the frequency domain, has been successfully applied to the study of oceanic lithosphere (e.g. Young & Cox, 1981; Constable & Cox...

Athabasca Oil Sands Exploration and Development Investigation Using the Helicopter-Borne Transient Electromagnetic Technique

Search and Discovery.com

... resolution of helicopter frequency domain systems. The resulting resistivity measurements are similar, but with lower vertical resolution...

Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

... resolution in the frequency domain, and avoid aliasing, we record 30,000 samples with a sampling interval of 0.002 s. The experiments are carried out...

Abstract: Strong Noise … Removal and Replacement on Seismic Data; #90174 (2014)

Patrick Butler

Search and Discovery.com

.... It uses thresholded median replacement in the frequency domain (Bekara et al., 2007 and Elboth et al., 2010). By using short FFT windows in time we both...

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... that the old chestnut FXDECON and many other frequency domain programs cannot do this because they are unable to determine dips with the little signal we have...

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

... data into frequency-wave number or multi-dimensional wave number domain is a natural tool for data regularization. However its efficiency comes with some...

Abstracts: Using a 1D FX Predictive Filter for 3D Seismic Data Random Noise Attenuation; #90173 (2015)

Mike Galbraith, Zhengsheng Yao, and Randy Kolesar

Search and Discovery.com

... transfer the filter computation to the frequency domain, then within each frequency slice, such a condition for linear-invariance can be improved...

Abstracts: An Investigation of Systematic Location Errors of Microseismic Events; #90173 (2015)

Martin E. Nicola, Bernd Milkereit, and Emmanuel Bongajum

Search and Discovery.com

.... Methodology The main goal is to obtain errors in the spatial coordinates of microseismic hypocenters. The high frequency domain is used and thus ray...

Spectral Decomposition's Analytical Value, by Satinder Chopra and Kurt J. Marfurt; #41260 (2013).

Search and Discovery.com

Spectral Decomposition Methods: Applicability and Limitations, by Satinder Chopra and Kurt J. Marfurt; #41323 (2014).

Search and Discovery.com

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

Search and Discovery.com

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... (averaging) of the K traces in the frequency domain is given by ∑ 𝑆 𝜔 𝑆 𝜔 𝑒 𝑁 𝜔 . (4) Since the number of traces used in the stacking process...

Characterization of deep volcanic reservoirs using TFEM, well and seismic data in the LH area

Xiaodong Suo, Weibin Dong, Yuezheng Li, Yanling Shi, Zhanjun Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... and frequency-domain electric field Ex, where time-domain Hz is sensitive to low-resistance bodies, and frequency-domain Ex is sensitive to high-resistance...

Lithofacies prediction of shale based on broadband spectral inversion

Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the reflection of the thin interbeddings to a certain extent, thus reduces the formation resolution. In the frequency domain, the energy of low-frequency signal...

Study on fluid discrimination method based on prestack frequency-dispersion characteristics

Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... characteristics of fluid in the reservoir, the change of seismic data in the frequency domain may be more effective for fluid identification. This study proposed...

Reducing parameter coupling effect for subsoil density estimation using 3D seismic full-waveform inversion with horizontal-force source

Y. Kawasaki, S. Minato, R. Ghose

International Meeting for Applied Geoscience and Energy (IMAGE)

... in frequency domain (i.e., time-frequency approach). Reducing parameter coupling using horizontal force: 3D FWI synthetic tests Subsurface model We...

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... crosscorrelation in the frequency domain. We first apply a Fourier transform of the nth strain-rate DAS event window un (xi ,t) to generate frequency-domain...

Fault identification in SE Limerick basin (Ireland) using a multi-geophysical data integration and unsupervised machine learning approach

Prithwijit Chakraborti, Aline Melo, Eoin Dunlevy

International Meeting for Applied Geoscience and Energy (IMAGE)

... and frequency domain electromagnetic data acquired in the western part of Ireland over the A5 survey block by Sander Geophysics Limited for the Geological...