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The AAPG/Datapages Combined Publications Database
Showing 34,782 Results. Searched 200,756 documents.
P- and S-Wave Velocity Structures of the Sigsbee Abyssal Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data
Sangmyung D. Kim, Seiichi Nagihara, Yosio Nakamura
GCAGS Transactions
... the bottom of the uppermost layer, has an apparent velocity of 3.0-3.2 km/s. Phase 2 contains the refracted arrivals from the bottom of the second layer...
2000
Use of Horizontal Seismic Sections to Identify Subtle Traps
Alistair R. Brown, Robert J. Graebner, C. G. Dahm
AAPG Special Volumes
... Seiscrop sections both displaying seismic amplitude have been augmented by the equivalent sections displaying velocity. These were sliced from a volume...
1982
Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs
Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... MPa in ultrasonic frequency bands. As the confining pressure increases, the results demonstrate significant increases in P-wave velocity and S-wave...
2023
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
...A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion Andrey H. Shabelansky...
2024
Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra
Mark Crawley, David Ginger
Indonesian Petroleum Association
... above the Batu Raja Formation, this phase of the drilling operation became increasingly critical. As drilling continued the SWD velocity information began...
1998
Acoustic and Related Properties of Calcareous Deep-Sea Sediments
Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... velocity. The best indices to predict sound velocity are percent sand, mean grain size, and the velocity ratio; this ratio varies from about 1.05 on top...
1982
Abstract: White Noise Suppression in the Time Domain Part II; #90174 (2014)
Patrick Butler
Search and Discovery.com
... the loss of signal and frequency content under high noise conditions (S/N ~0.14). We will demonstrate the use of this algorithm for data clean up, velocity...
2014
Relating Directional Current Structures of Modern Sediments to the Direction and Velocity of Tidal Current Systems, Five Islands Tidal-Flat Complex, Nova Scotia
George DeVries Klein
Atlantic Geology
...Relating Directional Current Structures of Modern Sediments to the Direction and Velocity of Tidal Current Systems, Five Islands Tidal-Flat Complex...
1966
Unlocking Hydrocarbon Potential of the Caribbean Plate with the New Deep Strata Survey Approach
Search and Discovery.com
N/A
Integrating Basin Modelling with Geophysical Methods; #120108 (2013)
Hans Martin Helset, Zhijun Du, and Erling Fjær
Search and Discovery.com
... exploration methods. In the exploration phase, seismic and electromagnetic data can be inverted for sediment velocity and resistivity. Using rock physics...
2013
Chapter 7: Estimating the Thickness of Thin Beds
Tom Wittick
North Texas Geological Society
... with higher acoustic impedance than the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant...
1992
Estimating the Thickness of Thin Beds
Abilene Geological Society
... the host rock and those with lower acoustic impedance than the host rock. Since velocity is normally the dominant component of the acoustic impedance...
1993
The Evolution of FWI and its Perceived Benefits
Tony Martin, Andrew Long
Australian Petroleum Production & Exploration Association (APPEA) Journal
... towed streamer data lacked the very long offsets and ultra-low frequencies necessary to derive stable velocity updates beyond shallow depths. FWI now...
2019
Wavelet Processing
Lee Lu
Indonesian Petroleum Association
... problems in line-ties, velocity study and even statics. As shown in Figure 1(c) the frequency-dependent phase distortions have been removed...
1978
Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods
J. Licheri, N. Parra
AAPG Special Volumes
...). As a final step the interval velocity sections were obtained from reflection coefficients and zero phase data using the formula: [EQUATION] where Vi...
1987
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf
Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol
AAPG Bulletin
... velocity anomalies relative to a baseline for marine shale, North Sea: Petroleum Geoscience, v. 5, p. 321336.Japsen, P., 2000, Investigation of multi-phase...
2005
First-arrival traveltime and slope tomography in tilted anisotropic media with undulant topography
Xiaole Zhou, Serge Sambolian, Gaoshan Guo, Stephane Operto, Haiqiang Lan, Ling Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... source upwind singularity in particular in tilted anisotropic media where the group velocity differs from the phase velocity and (2) the staircase...
2022
Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir
Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha
Indonesian Petroleum Association
... the subsurface, however, there is a challenge when it applies in the volcanic area. A high velocity and high-density properties of volcanic facies can...
2019
SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound
Peyman Moradi
Unconventional Resources Technology Conference (URTEC)
... of Sound Volume fraction Density Velocity Pipe cross-sectional area Phase Volume Temperature data Equation of State Gas-Oil Ratio Bottom Hole Temperature...
2025
Seismological Methods and the Search for Geothermal Resources
David Butler, Paul Larry Brown
Rocky Mountain Association of Geologists
...; and the measurement of insitu rock properties, such as attenuation or velocity ratios. These methods of exploration presume a model of the target system...
1977
A Report on the Renaissance of Gravity in the Deep Water Gulf of Mexico: A Practical View of Integration Methods
Brian S. Anderson, Mark E. Weber, John E. Bain
Houston Geological Society
... the seismologists to refine their migration velocity model for the structure, and as a result, refine the seismic image through reprocessing the data using...
1998
Peusangan–C1 Reef Interpretation with Top Reef Transparent to Seismic
L. B. Hinton, W. S. Atmadja, Suryo Suwito P.
Indonesian Petroleum Association
... between the denser, low velocity shales and the less dense, higher velocity reef is slight. Vertical Seismic Profile data and synthetic seismograms...
1987
Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field
Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel
International Meeting for Applied Geoscience and Energy (IMAGE)
...) depth velocity model building and 3D Kirchhoff depth migration (KDM). This study demonstrates the effectiveness of the applied processing workflows...
2022
Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data
Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum
International Meeting for Applied Geoscience and Energy (IMAGE)
... this advantage a step further to pursue a shear velocity update in addition to the pressure velocity field. Introduction During the last 10 plus years, FWI...
2023
Successful Depth Imaging at Banyu Urip Field
Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan
Indonesian Petroleum Association
... meters; 6) perform global velocity update. Q compensation was applied to mitigate amplitude dimming, frequency loss, and phase distortion caused by shallow...
2018