Abstract: Focused HiDef Seismic Processing Workflows to Identify Shallow Geohazards Features and Delineate Thin Reservoir in North of Sultanate Oman; #91204 (2023)

Safa Al Maskari, Ahmed Al Harthi, Mohammed Al Isamaili, Siham Al Falahi, Ufoma Akpomeyoma, Nick Benfield, Yahya Al Shereiqi, Fabian Ernst

Search and Discovery.com

... feedback from interpreters and QI geophysicists. Both projects went through revised linear and random noise attenuation steps, assessment...

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

...Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015) K. H. Miah and M. D. Sacchi AAPG Search and Discovery Article...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... acquisition and processing as well as the tailored solutions derived during the processing phase to address these challenges. Noise Attenuation...

Abstract: Coherence and Measures of Coherence: An Advanced 3D Interpretive Processing Application

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... exists; (i) extraneous noise is present, (ii) the system is not linear, and (iii) y(t) is an output due to an input (x) as well as to other inputs...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... high frequency scatter and nature noises. Keywords: Curvelet, Denoise, Random Noise, Linear Noise, Steep Dip Noise. INTRODUCTION Noise cancelling...

Abstract: Land Demultiple without Velocity Discrimination: Tau-P Deconvolution on High Fold Desert Data; #90211 (2015)

Qiang Li and Shelton Hubbell

Search and Discovery.com

..., including removal of strong linear noise, successful resolution of static problems, and effective random noise attenuation/elimination. After the pre...

Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

Search and Discovery.com

... and replacement velocity for the surface layer. Linear Noise Attenuation Radial filters and FK filters were tested on shot gathers to enhance signal...

Integration of active and passive surface seismic for understanding the variations observed during a stimulation campaign.

Paolo Primiero, Gorka Garcia Leiceaga, Joël Le Calvez

Unconventional Resources Technology Conference (URTEC)

... in the processing despite environmental noise, near surface complexity in some areas and attenuation by the weathering layers might compromise...

Abstract: Achieving Marine-Like Repeatability in a Complex Desert Environment: 4D Seismic Acquisition and Processing Lessons; #90319 (2018)

Robert Smith, Abdullah Alramadhan, Andrey Bakulin, Michael Jervis

Search and Discovery.com

... processing is required to drive down remaining 4D noise in the data. Linear noise attenuation and supergrouping, where groups of neighboring shots...

Abstract: Single Vibrator, Single Sweep, 3D Seismic Acquisition in WCSB; #90224 (2015)

Paul Thacker, Dale Harger, Doug Iverson

Search and Discovery.com

... spatial sampling, improved signal-to-noise and improved bandwidth when compared to data acquired using traditional multi-vibrator fleets, or even...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... modification or true 3D processes substituted. Most modern noise attenuation and imaging processes are 3D and today, apart from the initial noise attenuation...

Abstract: Al-Khalij Field (Block 6.Qatar) Development Optimization: A New Dedicated Reprocessing, by Enrico Zamboni; #90105 (2010)

Search and Discovery.com

Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)

Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram

Search and Discovery.com

... power) mono-frequency sweeps, and a suite of 2-10 Hz and 2-100 Hz linear sweeps (at 10% of maximum power) with 10, 30 and 50 s sweep lengths. All...

Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP

Mohammad Risyad

Indonesian Petroleum Association

... to changes in lithology than is shear wave attenuation A slope, m that is equal to −πΔt/Q, will be obtained as soon as a linear regression of the left hand...

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

... high-effort processing techniques were used to mitigate the surface noise problems (ground roll and linear coherent noise), and to regularize the data...

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... frequencies. Low-dwell, non-linear sweeps and pseudorandom sweeps have been developed by a number of companies to increase vibrator output at low...

Joint Downhole and Surface Microseismic Processing Using 3C Template Relative Migration

T. Bardainne, L. Delmas, N. Belayouni, D. Katz, P.-F. Roux

Unconventional Resources Technology Conference (URTEC)

..., it is limited in sensitivity by ambient noise and higher attenuation. These two techniques are complementary; by jointly processing the arrays...

Abstracts: Q Determination, Corner Frequency and Spectral Characteristics of Microseismicity Induced by Hydraulic Fracturing; #90173 (2015)

David W. Eaton

Search and Discovery.com

... between spectral and source parameters. In order to obtain reliable estimates of the source spectrum, the effects of attenuation need to be estimated...

Visualizing AVAZ Parameter Estimates and Uncertainty, #41571 (2015).

Jon Downton, Dave Gray, Torre Zuk

Search and Discovery.com

... itself or some parameterization of it. If uniform uncorrelated Gaussian noise and non-informative priors are assumed, the a posterior probability...

-- no title --

user

Search and Discovery.com

...-midpoint (CMP) stacking is often done using the arithmetic mean. There are good reasons for this: it's simple, linear, and is optimal if the noise has...

-- no title --

user

Search and Discovery.com

...-midpoint (CMP) stacking is often done using the arithmetic mean. There are good reasons for this: it's simple, linear, and is optimal if the noise has...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

.... The data are forward-modeled without a free-surface, hence free-surface multiples are absent, and the direct arrival is attenuated using linear noise...

North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia

Andreas T. Waluyo, Michael I. Challis

Indonesian Petroleum Association

... better linear noise attenuation. For example, the linear noise that strongly masked far offset data in the zone of interest was better attenuated while...

Time Series Analysis II

Gerard V. Middleton

Special Publications of SEPM

..., or Gaussian white noise, i.e., uncorrelated noise with a uniform or Gaussian distribution). In some cases, noise has been added to the output from...

Australian Exploration Geophysics--Current Performance and Future Prospects

K. G. McCracken , G. Buselli

AAPG Special Volumes

... of the Pacific Region The roles of temporal and spatial noise in Australian geophysics are outlined. Of the two, temporal noise is more amenable...