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The AAPG/Datapages Combined Publications Database
Showing 8,923 Results. Searched 200,673 documents.
Detection of Seismic Phases from a Major Earthquake on a Local Seismogram
Che Noorliza Lat
Geological Society of Malaysia (GSM)
... across the world if the energy released is sufficient to transmit the signal (Bolt, 1982). This paper is a descriptive seismological exercise to see...
2002
Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)
Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann
Search and Discovery.com
... Columbia, Vancouver, BC, Canada V6T 1Z4 Summary The separation of signal and noise is a key issue in seismic data processing. By noise, we refer...
2013
Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)
Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen
Search and Discovery.com
... as fewer streamers are required. The data are combined in processing, optimizing the signal-to-noise ratio over the entire bandwidth. The resulting data...
2014
Abstract: An Experiment to Detect Nonlinear Seismic Responses on Exploration/Monitoring Scale; #90187 (2014)
Kris Innanen, Gary Margrave, and Malcolm Bertram
Search and Discovery.com
... to detection: the fact that the vibrators are adaptive, and therefore, in effect, could impose an apparent degree of nonlinearity on the signal. We do...
2014
Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)
Akshay Gulati and R. J. Ferguson
Search and Discovery.com
... is not representing the true peak amplitude of the returning signal. Generally adopted methodology under these circumstances is trace normalization. In trace...
2015
Long Period Long Duration Seismic Events During Hydraulic Stimulation of a Shale Gas Reservoir, #40761 (2011)
Indrajit Das, Mark D. Zoback,
Search and Discovery.com
... s Identifying LPLD events: 1) Band-pass filtering method Axial Transverse 1 Transverse 2 Original Signal 60 seconds 60 seconds 60 seconds 60...
2011
Appendix III: High-Sensitivity Aeromagnetic Analysis
William C. Pearson
Rocky Mountain Association of Geologists
... that has been filtered with a second-vertical derivative (SVD) operator. The SVD filter dampens the low-frequency signal (believed to be sourced from...
2015
Marine Statics
Chiem Boon Hong
Geological Society of Malaysia (GSM)
.... As a simple illustration, Fig.lA shows schematically a shotpoint fired at position S and the reflected signal being recorded by receivers RI, R2...
1987
Broadband Seismic Technology and Beyond: PART X: IsoMetrix Isometric Sampling
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... sampler. The same thing happens in seismic data acquisition between the spatial sampler and the spatial signal (or wavefield) being sampled. Sampling...
2014
Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua
Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau
Indonesian Petroleum Association
...). Since the highest signal to noise ratio is generally achieved by CMP stacking, the post stack domain was suggested as the optimal stage for PZ...
2010
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... inversion. URTeC 2153634 2 (a) (b) (c) Figure1 The problems on pre-stack gathers (a)Non-continuous events and low signal-to-noise ratio caused...
2015
Geology and Exploration of the Permo-Triassic Sediments in Dagestan
G. G. Gusanguseynov, F. G. Sharafutdinov, M. O. Dzhabrailov, G. P. Sapronov
Petroleum Geology: A Digest of Russian Literature
... on the Permo-Triassic and outlined a structure on the T reflector bounded by a zone of loss of signal. See Fig. 1a. Figure 1. Variants of structural maps...
1979
Hydrodynamic Investigations of Wells in Exploration for Fault Traps
L. A. Kuklich
Petroleum Geology: A Digest of Russian Literature
... the signal-input well to the receiver well and by the variation in formation pressure in them. The impulse (or series of impulses) of the elastic wave...
1980
Discussion of "Quartz Grain Orientations (The Photometric Method)"
Peter C. Trescott
Journal of Sedimentary Research (SEPM)
..., resulting in a spurious signal (noise) unrelated to the optical orientation of the quartz grains. With crossed nicols, this noise is added to the signal...
1972
Extending VSP to Three-Dimensional MWD: Using Drill Bit as Downhole Seismic Source, by James W. Rector, III and Bruce P. Marion; #91024 (1989)
Search and Discovery.com
1989
Abstract: Enhanced 3-D Imaging in Difficult Areas from Texas to Yemen, Case History, by T. R. Nickoloff and J. C. Manatt, Jr.; #90937 (1998).
Search and Discovery.com
1998
Abstract: Gas Exploration in Southern Spain: a Successful AVO/DHI Application, by C. Garcia, A. Echanove, and A. Arrieta; #90933 (1998).
Search and Discovery.com
1998
Abstract: Geophysical Benefits of from Improved Seismic Vibrator, by Michael Hall, John Wei, and Tom Phillips; #90105 (2010)
Search and Discovery.com
2010
Abstract: The Applicability of Gravity Gradiometry as from Exploration Tool in East Dubai, U.A.E, by John Alfred P. Protacio, Jonathan Watson, Frank van Kleef, and Georgeta Popa; #90105 (2010)
Search and Discovery.com
2010
Abstract: Overcoming Arctic Conditions using Dual-sensor Streamer Technology, by Per Eivind Dhelie, Robert Sorley, Stephen Pharez, Jerry Witney, and Steven Cochran; #90130 (2011)
Search and Discovery.com
2011
Abstract: Cyclic Nature of Intracratonic Versus Passive Margin Mudstone Systems – A Reservoir Perspective, by Sven Egenhoff, Neil Fishman, and Stanley Paxton; #90124 (2011)
Search and Discovery.com
2011
Abstract: Future of Microseismic Analysis - Integration of Monitoring and Reservoir Simulation, by Leo Eisner, Vladimir Grechka, and Sherilyn Williams-Stroud; #90124 (2011)
Search and Discovery.com
2011
Abstract: Spontaneous Potentials in Hydrocarbon Reservoirs during Waterflooding: Application to Waterfront Monitoring, by M. D. Jackson, M. Y. Gulamali, E. Leinov, J. H. Saunders, and J. Vinogradov; #120034 (2012)
Search and Discovery.com
2012