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Search and Discovery.com

... deconvolution, attempts to improve amplitude mapping by reducing the effect of interference between close reflectors on their amplitudes. Both...

Effects of Seismic Reprocessing on Selected Seismic Attributes: A Case Study in the Permian Basin, by Joel Anthony T. Famini, Kurt J. Marfurt, E. Charlotte Sullivan, #90025 (2004)

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Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... treated by the seismic industry as unwanted noise. Whereas a strong cross-line acquisition footprint affected the very shallow 3D data using conventional...

The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings

Paolo Dell'Aversana

Petroleum Exploration Society of Australia (PESA)

.... Datum plane at 400 m a.s.l. Surface consistent deconvolution: 48 ms of prediction lag, 160 ms for the operator length, 1% white noise. Fi lter: band...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

..., which is given as (Yu et al., 2014): (3) Where is the vertical wavenumber. The obliquity effect is represented in the kz term, which is dealt...

Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics

J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li

Unconventional Resources Technology Conference (URTEC)

... the vertical receivers were observed at the background noise level (i.e. see noise levels before first P arrival). Figure 1. VSP gathers from three shot...

Seismic imaging of the Turtle Mountain structure, southwestern Alberta, Canada

J.H. Isaac, D.C. Lawton, C.W. Langenberg

CSPG Bulletin

... and included spike and noise burst edits, air blast attenuation, surface wave noise attenuation and a coherency filter. Some random noise, which we were not able...

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

...-random noise. The numerical results achieved on the Marmousi model, solving independently for either density or bulk modulus parameters, suggests...

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

... (2008a, 2008b) used EMD to reduce the random noise by eliminating the fastest oscillation. Considering that significant improvement has been made since...

Seismic Acquisition and Processing for Sub-thrust Imaging and Prospecting, Suaza Valley, Colombia

G.W.Paukert, G. Billings, I.Dawes, T.D.J. England, G.Rait

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...-line direction, they form a swath 210 m wide. Surface consistent processes such as statics, noise attenuation, and deconvolution honoured true surface...

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... suppress noise, 𝑓 − 𝑥 deconvolution, dip filtering, and a 4 to 90 Hz bandpass filter were applied. Processed shot records from the baseline survey...

An Intelligent Rock Physics Approach for Predicting Permeability Distribution

Bambang Widarsono, Fakhriyadi Saptono, Patrick M. Wong, Suprajitno Munadi

Indonesian Petroleum Association

... values from the wells. Porosity-permeability correlation and application of random noise As stated earlier in the 10-step procedure, values required...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

..., namely the Love wave (wave L) and Rayleigh wave. In general, noise is divided into random noise and noise related coherently, and the noise...

Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)

Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra

Search and Discovery.com

... we review below. Data quality and noise issues AAPG Search and Discovery Article #90187 © CSPG/CSEG/CWLS GeoConvention 2013, Integration...

Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

... on compressional waves (P-waves) whereas shear waves (S-waves) were mostly regarded as noise . However, increased difficulty in finding new hydrocarbon...

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

..., such as repeated S/N enhancement runs, FXY deconvolution or K filtering (i.e., wavenumber filter for linear coherent noise), or spectral enhancement to bring out...

Detection of Sedimentary Cyclicity and Stratigraphic Completeness by Wavelet Analysis: An Application to Late Albian Cyclostratigraphy of the Western Canada Sedimentary Basin

Andreas Prokoph , Frederik P. Agterberg

Journal of Sedimentary Research (SEPM)

... difficulty for geologists is the prominence of noise in well-logging data. Noise can be caused by measurement errors, unstable borehole walls, and random...

Determination of the Laminar, Structural and Disperse Shale Volumes Using a Joint Inversion of Conventional Logs; #41944 (2016)

Ambrosio Aquino-López, Aleksandr Mousatov, Mikhail Markov, Elena Kazatchenko

Search and Discovery.com

... validated the proposed technology on synthetic models with different levels of a random noise and experimental data. Application of this technology allows us...

Abstract: Benefits of Hydrophones for Land Seismic Monitoring; #90172 (2014)

Eric Forgues, Estelle Rebel

Search and Discovery.com

... of signal and noise recorded on different types of sensors (surface DSU, buried geophones and hydrophones). We conclude that buried hydrophones provided...

Application of high-end seismic imaging technologies for field development in NWS Australia

Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li

Petroleum Exploration Society of Australia (PESA)

...equency random noise and thus provides higher signal-to-noise ratio. From the comparison, it shows that AVO character is preserved by LSQ-PSDM with...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... migration workflow that includes designature to zero phase, random and linear noise attenuation, multiple elimination, Kirchhoff prestack depth...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... contrasts actually are. The overall effect of this type of coherent noise is to reduce the estimates of gradient and intercept of the straight line fit...

3D Aeromagnetic Mapping of the Williston Basin Basement; #41588 (2015)

Jiakang Li, Igor Morozov

Search and Discovery.com

... and pre-processing. The key processing steps included: 1) Reduction to the pole, which reduces the effect of the Earth’s ambient magnetic field...

Meeting the imaging challenges at Atlantis with high-frequency elastic FWI

Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the geologically simpler areas but increased random and cross-cutting noise and reduced S/N in the low illumination subsalt areas (Figures 4a and 4b...

Detection of Astronomical Cycles in the Stratigraphic Record by Frequency Modulation (Fm) Analysis

Linda A. Hinnov , Jeffrey Park

Journal of Sedimentary Research (SEPM)

... with a 50% standard error, then reconstructing rank series using gamma analysis. The original objective of this modeling was to study the effect of random...