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The AAPG/Datapages Combined Publications Database
Showing 33,429 Results. Searched 196,426 documents.
Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)
R. Malcolm Lansley and Peter Maxwell
Search and Discovery.com
... that the random electronic noise will increase as frequency reduces. A similar 1/f effect is seen in MEMS sensors. Low frequency challenges While...
2015
Abstract: 3D Inversion of Transient EM Data: A Case Study from the Alvheim field, North Sea; #90172 (2014)
Bruce Hobbs, Michael Zhdanov, Alexander Gribenko, Alan Paterson, Glenn Wilson, Craig Clarke
Search and Discovery.com
... to the receiver vessel enabling deconvolution to impulse responses and real-time quality control. Further processing included magnetotelluric (MT) noise...
2014
Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test
M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of vibroseis correlation, spike noise attenuation, surface-consistent scaling, predictive deconvolution, surface-consistent statics, velocity analysis...
2006
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... deconvolution, post-DGF coherent noise attenuation, several iterations of velocity analysis with residual reflection statics, multiples attenuation, CMP...
2013
Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience
N. J. Fisher, F. R. Nicholson
Papua New Guinea (PNG) Petroleum Convention Proceedings
... by aligning the first arrivals and applying a directional dip-filter but the latter is largely incoherent and not amenable to removal. Finally, random noise...
2000
Seismic Resolution in the Mahakam Delta
J. B. Beauchamp
Indonesian Petroleum Association
.../noise ratio also becomes very poor at the bottom of the well. Plate 6. Vertical Seismic Profile. Well HR-1 (Unfiltered) Plate 7. Autocorrelation/Power...
1980
Abstract: Restoration of Seismic Amplitude Using a Frequency-Dependent Gain Function, by Weihong Zhu and Khalid O. Al-Rufaii; #90077 (2008)
Search and Discovery.com
2008
Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods
Paul L. Lyons, M. B. Dobrin
AAPG Special Volumes
...-frequency reflection signals by deconvolution would raise the noise at the same rate. If we use higher frequencies, the reflection energy falls off...
1972
How to Improve the Definition of Seismic Reflection Data
D. Michon, R. Garotta
Indonesian Petroleum Association
... enable him to evaluate the filtering effect of the noise - Fig. 1. Here is the amplitude response of a linear array of nine geophones. The horizontal...
1979
Time-Lapse Monitoring of Steam Assisted Gravity Drainage (SAGD) of Heavy Oil using Multi-Transient Electro-Magnetics (MTEM)
Folke Engelmark
Search and Discovery.com
... of geophone arrays to image a small target and the acquisition and processing cost are substantial. In addition the steam injection generates white noise...
Unknown
Time-Lapse Monitoring of Steam Assisted Gravity Drainage (SAGD) of Heavy Oil using Multi-Transient Electro-Magnetics (MTEM)
Folke Engelmark
Search and Discovery.com
... of geophone arrays to image a small target and the acquisition and processing cost are substantial. In addition the steam injection generates white noise...
Unknown
Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica
S. V. Dadisman, H. F. Ryan, D. M. Mann
Circum Pacific Council Publications
... 407-15 s, line 419-8 s) 10-110 Hz 24 Magnavox Integrated System Distance or time Satellite Random high-amplitude noise spikes in the data can...
1987
Wave Equation Shot Migration as a Ground Roll Filter.
Francisco Ortigosa, Pedro Muñoz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... shot gathers and then it was added to the synthetic shot gathers. Random noise was also added to the synthetic data. The main objective of the modeling...
2008
An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs
Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee
Unconventional Resources Technology Conference (URTEC)
.... The proposed workflow was first applied to a synthetic case with random outliers, aberrant segments, and artificial white Gaussian noise to approximate...
2019
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... of coherent wavetrains, as well as random noise. Predictive deconvolution and common-depth point stacking attenuate multiples. Deconvo ution helps remove near...
1977
Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project
Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson
Petroleum Exploration Society of Australia (PESA)
... a and c) presents less random noise when compared to the standard single-mode fibre (Figure 4b and d), because of the stronger signal. The enhanced...
2019
A Case Study of Seismic Exploration in the Offshore Bonaparte Basin
J. Durrant, A. Young
Petroleum Exploration Society of Australia (PESA)
..., to some extent, by the spectral whitening effect of the deconvolution. Improvements to the stack data by the application of this second-iteration DBS...
1988
Vaporchoc: Utilization of Steam as a New Seismic Source
P. Staron
Pacific Section of AAPG
... simultaneously the guns give rise to a synchronous first pulse and asynchronous secondary pulses. Figure 2 shows the effect of air pressure on the bubble...
1972
Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)
Gary F. Margrave, Michael P. Lamoureux
Search and Discovery.com
... for the first effect. Later other similar ideas have been tested such as predictive deconvolution in the radial trace domain (Perez and Henley, 2000...
2014
Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions
Search and Discovery.com
... that scatters the seismic energy, but the effect of low saturation gas on resistivity is very small. 4. CO2 sequestration: Seismic can only monitor the gas...
2013
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... and receiver arrays to attenuate both coherent source-generated noise and random noise can be really problematical. This is because the arrays also attenuate...
2011
Machine-Learning Based Analytics Applied to Stimulation Performance in the Utica Shale: Case Study and Lessons Learned
Sebastien Perrier, Arnaud Delpeint, Zulibukaer Shawuti, Ashis Shrestha
Unconventional Resources Technology Conference (URTEC)
... the variability of performance of the wells across the structure. The primary objective of this paper is to show that the deconvolution of this dominant geological...
2018
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
... exploration purposes. Other than multiplicity, which is primarily responsible for the quality of seismic data in regard to signal to noise ratio...
1991
Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)
Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart
Search and Discovery.com
... is especially poor above the water table at 30m. Both random noise and tube waves are present in the seismograms. These can interfere with automatic first...
2013
Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan
William C. Ade, Ian T. McMahon, Wahyudin Suwarlan
Indonesian Petroleum Association
... deconvolution allows just such an improvement in signal to noise. The processing flow diagrams are shown in Figure 15. Unless the traces are completely saturated...
1988