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The AAPG/Datapages Combined Publications Database
Showing 23,040 Results. Searched 195,364 documents.
Emphasizing Vibrations
Paul Wood
GEO ExPro Magazine
... GEO ExPro DECEMBER 2011 able to record very low frequencies from broad bandwidth explosions. But surveys using drilled explosives are relatively...
2011
Muricid drilling predation at high latitudes: Insights from the southernmost Atlantic
Julieta C. Martinelli, Sandra Gordillo, Fernando Archuby
PALAIOS
... the abundance of the Naticidae and the Muricidae in our samples, muricids are clearly dominant in Patagonian shallow marine habitats. A recent review...
2013
Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin
Jo Firth, Mark Stanley
Petroleum Exploration Society of Australia (PESA)
..., resulting in a fourfold loss of energy and an approximate 10-Hz dominant frequency shift towards the low frequencies. This makes the recording of good...
2016
Marine Seismic Sources: Part I: Air-Guns for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
...Marine Seismic Sources: Part I: Air-Guns for Non Experts Lasse Amundsen, Martin Landrø recent advances in technology Marine Seismic Sources part i...
2010
Abstract: Using Spectral Attributes to Detect Seismic Tremor Sources - A Synthetic Study, by Marc Lambert, Erik H. Saenger, and Stefan M. Schmalholz; #90105 (2010)
Search and Discovery.com
2010
Broadband Seismic Technology and Beyond: Part I: The Drive for Better Bandwidth and Resolution
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... time). In seismic exploration broadband refers to a wider band of frequencies being recorded than in conventional seismic exploration. In the marine...
2013
Abstract: Hurrah for Hussah! Analysis of Stacked Data from a Low-frequency Seismic Data Acquisition Experiment at Hussar, Alberta; #90174 (2014)
J. Helen Isaac and Gary F. Margrave
Search and Discovery.com
..., unfiltered data show a dominant signal band that extends from about 10 Hz to 40 Hz for all sources and receivers, and up to near 60 Hz...
2014
Broadband Seismic Technology and Beyond: Part IX: BroadSeis in Production
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
.... Combining this acquisition CGG Data Library This colour blend 3D visualisation of 2.5 Hz, 8 Hz and 15 Hz dominant frequencies, taken from data...
2014
Late Pleistocene Sedimentation and Meltwater Influx in the Central Gulf of Mexico: Foraminiferal Signals
Megan H. Jones, Barun K. Sen Gupta
GCAGS Transactions
... sources and/or transport mechanisms. Two salinity-sensitive species, Globigernoides ruber, a commonly used faunal indicator of the meltwater spike...
1996
Real Time Microseismic Feedback of Hydraulic Fracture Effectiveness and Barriers
Search and Discovery.com
N/A
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... be represented by the sum of a series of sinusoid surfaces of various frequencies, amplitudes, phases, and orientations--the larger undulations...
1969
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... should have decreasing dominant frequencies as a function of depth, otherwise a single low-frequency event has to be due to NMOstretch or a similar cause...
2019
Abstract: Shallow Seismic Survey on Weeks Island, Louisiana: An Attempt to Define "Top of Salt", by G. L. Kinsland, P. Schank, and B. Rutter, III; #90983 (1994).
Search and Discovery.com
1994
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... high-quality seismic data with a high signal-to-noise ratio To generate broadband data with enhanced high frequencies for temporal resolution...
2014
How to Reconcile Security and Safety Issues with Seismic Quality in Obstructed and Populated Areas: Case Study Handil 3D Seismic
Aa Pian Nopiana, Michel Erbetta, Alain Etchemendy, Christophe Paulet, John Conant, Stephan Ruhlmann, Alain Carnemolla, Ganda M. Simangunsong
Indonesian Petroleum Association
...% of the project area ( 14. 729 shots) Airgun based sources using 8 GI guns (150 cubic inch each) in deeper shallow waters (> 5m) and marine areas, i.e. 15...
2012
Data Enhancement from a 486-Channel Streamer
Bill Dragoset, Ken Larner
Pacific Section of AAPG
... Technology Conference (Paper No. 2833), Houston, Texas. Siems, L., 1980, Digital marine seismic telemetry system: Offshore Technology Conference (Paper...
1980
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
...% and for the phase 3%. The dominant part of the uncertainty is coming from the electric field noise for the low frequencies and long offsets. The measurement...
2013
ENCOUNTER FREQUENCY DOES NOT PREDICT PREDATION FREQUENCY IN TROPICAL DEAD-SHELL ASSEMBLAGES
JULIETA C. MARTINELLI, MATTHEW A. KOSNIK, JOSHUA S. MADIN
PALAIOS
..., predation frequencies are high for tropical marine snails that are preyed upon by crabs (Zipser and Vermeij 1978) and paleontological studies have also...
2015
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... attenuation is one of the main sources of non-stationarity in recorded seismic data. The dominant frequency in a seismogram decreases with time (Lindseth, 1982...
2004
Vibroseis and Dynamite Comparison as Seismic Energy Source in North Sumatra
M. E. Gregg, B. E. Mackenzie, A. Patria
Indonesian Petroleum Association
... (Figure 3) was lower in amplitude, and dominant frequencies were higher due to the bandpass filter effect of Vibroseis. Thus, the ability to limit sweep...
1991
Distribution and Ecology of Foraminifera from East Mississippi Delta Margin
Robert R. Lankford
AAPG Bulletin
... been found living in low frequencies in the sound and more rarely in deltaic marine fauna. Ammoscalaria pseudospiralis (Williamson) (Pl. 1, Figs...
1959
Full waveform inversion of simultaneous long-offset data
Nizar Chemingui, Alejandro A. Valenciano, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... solution on a fullazimuth (FAZ) survey acquired in the Gulf of Mexico using dual-sensor streamers and blended sources in the form of simultaneous long...
2019
The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs
Mark Tomasso, Renaud Bouroullec, David R. Pyles
AAPG Bulletin
... single-peak frequency Ricker wavelets, in which the frequencies of these wavelets may, or may not, be chosen to relate to the dominant frequency...
2009
Detection of Fluvial Systems Using Spectral Decomposition (Continuous Wavelet Transformation) and Seismic Multi-Attribute Analysis A New Potential Stratigraphic Trap in the Carbonera Formation, Llanos Foothills, Colombia; #42281 (2018)
Essam Saeid, James Kellogg, Christopher Kendall, Ibraheem Hafiz, Zyaid Albesher
Search and Discovery.com
... seismic cube. The frequency spectra for the Carbonera Formation include the following dominant frequencies: 18-21, 25-33, and 38-41 Hz (Figure 4...
2018
Inferring Stratigraphy from Seismic Data
R. E. Sheriff
AAPG Bulletin
... be improved (1) by using sources rich in high frequencies and (2) by not discriminating against high frequencies in recording. However, the sources richest...
1976