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The AAPG/Datapages Combined Publications Database
Showing 8,924 Results. Searched 200,691 documents.
Spectral Signatures of the Tubridgi Field: Onshore Carnarvon Basin, Western Australia
Jim Dirstein, Maher Maklad
Petroleum Exploration Society of Australia (PESA)
... to reduce the levels of coherent and random noise in the data and thus improve the Signal-to-Noise-Rati o (SN R). In this exampl e a loca lised principal com...
2007
Ground Roll Polarization Filtering with Spatial Smoothness Constraints
Search and Discovery.com
... are estimated using data from that station as well as some of its neighboring stations. This greatly improves the separation of signal and noise...
2013
Abstract: Event-directed Spectrum Extrapolation for Upsampling Seismic Traces; #90172 (2014)
Zhengshong Yao, Elvis Floreani
Search and Discovery.com
... gained very interest in signal and image reconstruction (e.g. Ferreira, 1996). The key point of the spectrum extrapolation method is that: assuming...
2014
Abstract: Adaptive Microseismic event Detection and Automatic Time; #90174 (2014)
Jubran Akram and David Eaton
Search and Discovery.com
... in a vertical well located approximately 300m away from the treatment well. The input microseismic data, 0.5 msec sampling rate, with signal to noise ratio...
2014
Abstract: Microseismic Monitoring of Ball Drops During a Sliding Sleeve Frac; #90174 (2014)
Shawn Maxwell, Zuolin Chen, Irina Nizkous, Richard Parker, Yuri Rodionov, and Mike Jones
Search and Discovery.com
... is most likely the source of the signals. Figure 3 shows a typical ball drop seismic t5 t2 signal, characterized by relatively large signal amplitudes...
2014
Exorcising the Ghosts The New Streamer Technology Launched by PGS
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
.... The receiver ghost is that part of the signal that reflects off the sea surface, before being recorded on its way down when passing the streamer...
2007
ABSTRACT: THE XYZ'S OF 3-D SEISMIC SURVEY DESIGN
R. Daniel Wisecup, Western Geophysical Company, Houston, TX
Ohio Geological Society
... the risk that changes in the seismic signal are due more to design irregularities than to changing stratigraphic...
1996
Fracture Description in the Austin Chalk Using Cast Images
Joseph F. Goetz, Douglas D. Seiler, Charles S. Edmiston
South Texas Geological Society Special Publications
...” is a serious misnomer because these devices have nothing to do with television cameras. The CAST is a SONAR type device which emits an ultrasonic signal...
1991
ABSTRACT: SPECTRAL DECOMPOSITION ANALYSIS, SOUTHWEST SOLDADO FIELD, TRINIDAD & TOBAGO
Sierra, J., Landa, A., Cova, C, Cardinez S., Dharpaul, T. and YoungOn, V.
Geological Society of Trinidad & Tobago
... stratigraphic feature. IGS Spectral Decomposition method combines three frequencies, previously extracted from the seismic signal, with the coherency cube...
2007
Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
.... The characteristic broadband ‘texture’ highlights stratigraphy as the additional low frequencies give an envelope to the seismic signal that shapes...
2014
Recent Advancements Utilizing Microseismicity to Engineer Solutions for Hydraulic Fracture Stimulations
Sheri Bowman
West Texas Geological Society
.... By interpreting microseismic results using advanced seismic signal analysis techniques such as seismic moment tensor inversion (SMTI), it is possible...
2013
Broadband Marine Seismic, Does Acquisition Make a Difference?
Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng
Indonesian Petroleum Association
... seismic bandwidth; these include both acquisition and signal processing methods. * ** WesternGeco GeoSolutions, Asia Pacific PETRONAS Carigali Sdn...
2013
Abstract: Geologic Interpretation of Color Displays of Complex Seismic Trace, by R. E. Sheriff, M. T. Taner, D. Frye, F. Koehler; #90968 (1977).
Search and Discovery.com
1977
ROPES & SOUTH ROPES Penn.
Charles B, Godfrey
West Texas Geological Society
...: Seismic methods Status of Field: Developed, with an active pressure maintenance program in operation. Discovery Well: Name: Honolulu & Signal No. 1, M. D...
1982
Constraints on Sedimentary Provenance in the Sunda-Asri, Northwest Java Basins and the Ciletuh Region: Evidence from Zircon Fission Track (FT) Analysis: Abstract
Hardjo Basuki Soenandar, Peter J. J. Kamp
Indonesian Petroleum Association
.... All of the rock in the study area contain strong late Cretaceous signals. This signal becomes younger to Paleocene age for the Eocene-Oligocene...
1998
ABSTRACT: Standardisation of Rock-Eval Analyses for the Analysis of Recent Sediments and Soils
Jesse Carrie, Hamed Sanei, Gary Stern
The Society for Organic Petrology (TSOP)
... show that samples such as lipids that are expected to contribute strongly to the “hydrocarbon” signal (S1, S2) can also contribute to the oxygenated C...
2011
Pre-drill Reservoir Evaluation Using Passive Seismic Imaging
Charles Sicking, Jan Vermilye, Ashley Yaner
Unconventional Resources Technology Conference (URTEC)
.... However, the increase in the signal to noise is proportional to the integration time for images computed with SDI using traces that have high quality noise...
2016
Evidence For and Against Sea-Level Changes From the Stable Isotopic Record of the Cenozoic
Douglas F. Williams
Special Publications of SEPM
... changes in the 818O signal are driven primarily by a combination of glacioeustatic sea-level and ocean paleotemperature changes. These changes...
1988
ABSTRACT: Combination Low-field NMR with mercury intrusion porosimetry to characterize pore size structure of shales
Fenglin Gao, Yan Song
The Society for Organic Petrology (TSOP)
... a great influence on the NMR T2 spectrum signal, especially in the small pores, the nuclear magnetic signal caused by the irreducible water must...
2017
ABSTRACT: A new application of NMR in characterization of multi-phase methane gases and adsorption capacity of shale
Yanbin Yao, Dameng Liu
The Society for Organic Petrology (TSOP)
... is used for NMR measurement, the signal of mobile hydrogen nucleus or proton in methane can be detected, whereas the signal from solid 1H in organic...
2017
Abstract: High-Resolution Seismic Exploration for Coal in Australia, by David W. King; #90962 (1978).
Search and Discovery.com
1978
EXTENDED ABSTRACT: Seismic Imaging of Carbonate Formations and Reservoirs – An Odyssey 1971- 2011
Dr. Norman S. Neidell and James Charuk
Houston Geological Society Bulletin
... range color displays then presented 20 to 25 times more information to the interpreter. Most recently, replacing signal processing methods by holography...
2011
Seismic Quality Monitoring in Quantitative Way During Acquisition and Processing, Case Study: Offshore Geophysical Site Survey in Sisi-Nubi and South Mahakam Area
Aa Pian Nopiana, Arif Wahyu Nugroho, Gadang Gentur Wihardy
Indonesian Petroleum Association
... (gun depth and volume). Several key attributes were assessed which mainly focus on signal quality, by measuring the signal intrinsic characteristics...
2019