An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)

Rob A. Holt

Search and Discovery.com

... ([email protected]) Abstract Prestack depth migration often gives a readily observable improvement in imaging and a significant reduction...

Use of Windowed Seismic Attributes in 3D Seismic Facies Analysis and Pattern Recognition

David C. Carter

Indonesian Petroleum Association

..., commonly used in their calculation, suppresses random noise in the seismic data usually evident on individual horizon slices. This effect...

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... interpolation increases the signal-to-noise ratio of the interpolated data due to random-noise reduction during the interpolation process. After...

GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway

Cyrille Reiser, Eric Mueller, PGS

GEO ExPro Magazine

... Imaging in a Nutshell The multi-azimuth dataset was subjected to a complex and rigorous prestack depth migration sequence with the main processing steps...

4D Passive and Aggressive Monitoring of Air Injection at Telephone Lake, Alberta; #80378 (2014)

Richard Pearcy and Larry Mayo

Search and Discovery.com

... observations of the air injection in real time were accomplished by monitoring the noise levels from the downhole tools. Figure 4 is a display...

Principles and Techniques of VSP Data Processing

A.A. Tabakov, V.N. Ferentsi, H.Garvini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... stage. So the following procedures should be applied: • Quality estimation: signal-to-noise ratio calculation for different frequency ranges. • Moment...

Seismic Detection of Overpressuring and Fracturing: An Example from the Qaidam Basin, People’s Republic of China

Robert J. Paul

Southeast Asia Petroleum Exploration Society (SEAPEX)

... (Beasley et al, 1988). Further signal enhancement was achieved by applying post-stack F~X prediction filtering to remove random noise...

Robust joint inversion and segmentation of 4D seismic data

Juan Romero, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is therefore essential to successfully extract weak signals that are usually buried under strong noise. In this work, we leverage the fact that 4D seismic...

Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt

William F. Robinson IV

Papua New Guinea (PNG) Petroleum Convention Proceedings

... does not have the severe noise problems that overwhelm reflection data acquired on the karstified Darai Limestone. Swath seismic data has been...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... analytic line search, use of an alternate migration operator and shot selection. These workflow improvements have allowed us to significantly reduce...

Stochastic acquisition systems in time-dependent scattering seismic approach

Gennady Erokhin, Maria Erokhina, Alexandre Iakovlev, Kirill Safran

International Meeting for Applied Geoscience and Energy (IMAGE)

... such as detecting reflected waves, suppressing noise, and accumulating signals (Yılmaz, 2001). Additionally, they have been instrumental in exploring...

Predicting gas migration through existing oil and gas wells

James A. Montague, George F. Pinder, and Theresa L. Watson

Environmental Geosciences (DEG)

...Predicting gas migration through existing oil and gas wells James A. Montague, George F. Pinder, and Theresa L. Watson 2018 121 132 25 4 The ability...

Coal Rank Trends in the Western Kentucky Coalfield and Relationship to Hydrocarbon Occurrence

James C. Hower, Susan M. Rimmer, David A. Williams, John G. Beard

Rocky Mountain Section (SEPM)

... orogenic belts: their role in hydrocarbon migration and other geologic phenomena: Geology, v. 14, p. 99–102. Palmer, J. E., 1976, Geologic map...

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

... and man-made obstacles, sophisticated interpolation schemes and amplitude and azimuth preservative pre-stack migration must be employed to overcome...

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

...-stack Kirchhoff time migration. A second pass of hi-resolution Radon de-multiple was performed post migration, followed by additional noise attenuation...

Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction

Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... from a simple convolution model (noise free) (Sheriff and Geldart, 1995):  a(t )   s( )r (t   ) d ,  (2) where, a t  is the reflected...

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... are discrete samples of wavefields, excessive spatial sampling intervals can lead to aliasing noise in the PWD results obtained by conventional LRT...

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

... is enabling an improvement via a reduction in migration noise due to poor sampling. The Radon Transform requires regular, well sampled gathers as input...

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... and highfold synthetic data, respectively. As can be seen in Figure 7, random noise (marked by the dashed brown and green circle) that affects the stacking...

Abstract: New Developments in Aeromagnetic Techniques for Oil Exploration, by D. Pridmore, E. Etheridge, I. Campbell, and K. McKenna; #91015 (1992).

Search and Discovery.com

Abstract: Fundamental Analysis of Relative Permeability and Heterogeneity on CO2 Storage and Plume Migration, by Nathan Moodie; #90169 (2013)

Search and Discovery.com

Interpolated fast and computational-efficient multidimensional singular spectrum analysis (I-FMSSA) for compressive simultaneous-source data processing

Rongzhi Lin, Yi Guo, Fernanda Carozzi, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...-based methods. The filteringbased methods treat deblending as a noise filtering problem that operates on a particular domain, i.e., common receiver...

Abstracts: Evaluation of a New 5D Seismic Volume Reconstruction Method: Tensor Completion versus Fourier Reconstruction; #90173 (2015)

Nadia Kreimer and Mauricio D. Sacchi

Search and Discovery.com

... of seismic data reconstruction do require additional study. The latter includes stability in the presence of coherent noise and statics, recovery...

Wide-angle AVO-inversion using constant P-traces: AVP-inversion

Dennis Cooke

International Meeting for Applied Geoscience and Energy (IMAGE)

.... There are advantages and disadvantages associated with wide-angle inversions: the advantage is that the inversion becomes more stable in the presence of noise. One...

Recovering Subsurface Coverage in the Emerging Smackover Brown Dense Unconventional Play in Northern Louisiana, #80515 (2016).

Richard Verm

Search and Discovery.com

... Comparison BEFORE   AFTER   3D Noise Attenuation   Model-Based Noise Attenuation MBNA™   18   Before  Noise  Adenua8on   AWer...