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The AAPG/Datapages Combined Publications Database
Showing 17,714 Results. Searched 200,693 documents.
Bedforms in the Pitt River, British Columbia
Gail M. Ashley
CSPG Special Publications
..., 161p. Jackson, R. G., 1975, Velocity-bedform-texture pattern of meander bends in the tower Wabash River of Illinois and Indiana: Geol. Soc. Am. Bull...
1977
Comparing DAS and geophone data and imaging for monitoring CO2 sequestration
Yong Ma, Weichang Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... to 480m. A source wavelet with a flat spectrum from 10 Hz to 150 Hz was used. Figure 5. P-wave velocity model used for imaging. The monitoring well...
2022
Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer Mission Impossible
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... that everyone has known about and wanted to solve. The ghost kills most of the low frequencies and provides notches in the spectrum, thus having...
2013
Abstract: Building Better Models Making Full Use of Petrophysical Data; #90211 (2015)
Elizabeth L’Heureux
Search and Discovery.com
... is the modified Bessel function of the second kind of order ν. Initial estimates of the Hurst number can be obtained from the slope of the power spectrum...
2015
A 3D Seismic Exploration Method for Fractured Gas Reservoirs
James J. Reeves, W. Hoxie Smith
West Texas Geological Society
... is interpreted using a seismic interval velocity anisotropy attribute. The resulting interpretation is further validated by the unified set of seismic...
2004
Estimating Rayleigh surface wave from ambient noise recorded by distributed acoustic sensing (DAS) dark fiber array in the city
Rafa Czarny, Tieyuan Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... Rayleigh surface wave with the broadband response from few Hz up to 40 Hz gives us the ability to reconstruct the 1-D S-wave velocity model...
2022
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... of the final processing results for these data. Velocity Determination Both down-hole and seismic velocity data were used in constructing a velocity model...
2001
Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... by a sine wave, analytical equations enable us to calculate the horizontal (u) and vertical (v) particle velocity and the pressure (p) as a function...
2013
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
...of equation (5) is independent of the true source, thus providing more control over the source spectrum. Figure 1: A receiver gather from the Yggdrasi...
2023
Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
... and βj are its P- and S-wave velocities. Equation (1) can be further simplified by assuming constant density or replacing density by P-wave velocity...
2013
From Mud to Shale: the Role of Microquartz Cementation; #50206 (2009)
Jens Jahren, Brit Thyberg, Øyvind Marcussen, Turid Winje, Knut Bjørlykke, and Jan Inge Faleide
Search and Discovery.com
... transformation is well known in sedimentary basins and is identified by changes in physical rock properties observed in well log velocity and density...
2009
4-D Seismic: A Powerful New Technology for Monitoring Steam Movements in Duri Field-Central Sumatra
S. D. Jenkins, M. F. Bee, J. H. Lyle, E. Murhantoro
Indonesian Petroleum Association
... by a velocity increase. Pressure effects are transmitted much more quickly than thermal effects in the reservoir. Two months after the start of steam injection...
1994
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... the waveform that the passengers will be subjected to as the automobile is driven with a certain velocity over a surface of known configuration, the input...
1969
The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs
Mark Tomasso, Renaud Bouroullec, David R. Pyles
AAPG Bulletin
... a frequency spectrum similar to that of a targeted real-world image. Using this method, forward seismic models can be tailored to specific real-world...
2009
Flow substrate interactions in aggrading and degrading submarine channels
Anjali M. Fernandes, James Buttles, David Mohrig
Journal of Sedimentary Research (SEPM)
... challenging in natural settings. We present a suite of physical experiments that offer insight into the spectrum of interactions between turbidity currents...
2020
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... survey technique in which transit times only are measured in order to calibrate the ultrasonic velocity log. Digital recording of the entire seismic trace...
1983
Repeat DAS and DTS Production Logs on a Permanent Fiber Optic Cable for Evaluating Production Changes and Interference with Offset Wells
Veronique Mahue, Erick Jimenez, Peter Dawson, Kirk Trujillo, Robert Hull
Unconventional Resources Technology Conference (URTEC)
... slow strain thermal plumes (shut-in to flow), transient velocity profile, DAS acoustic spectrum, DTS traces, gas, and water allocations A cluster level...
2022
Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data
Burkhard Buttkus
Geological Society of Malaysia (GSM)
... approach to solve the different problems is a combination of the extraction of the physical parameters, especially interval velocity and acoustic...
1985
Extrapolated surface-wave dispersion inversion
Hongyu Sun, Laurent Demanet
International Meeting for Applied Geoscience and Energy (IMAGE)
... the near-surface shear-wave velocity structures beyond the penetration depth of conventional surface-wave inversion methods. Active-source surface waves...
2022
PWD-PINN: Slope-assisted seismic interpolation with physics-informed neural networks
Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... discontinuities (Fomel, 2002), recursive spreading of information inside a seismic section or volume (Fomel, 2010), and velocity-independent time-domain...
2022
3D Seismic Proves Its Value in Bakken Geosteering, #41435 (2014).
Angie Southcott
Search and Discovery.com
.... Additionally PSDM comparisons are available to take advantage of carefully vetted well tops and meticulous seismic velocity determinations. Background Upon...
2014
Study on fluid discrimination method based on prestack frequency-dispersion characteristics
Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Such velocity dispersion may be useful for fluid identification. Based on this understanding, a new fluid discrimination method is proposed in this paper...
2022
Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China
L. William Edwards
Circum Pacific Council Publications
... stacked section is supplemented by color-attribute processing (such as pseudo-interval velocity and phase); depth conversion and RAP* processing have...
1989
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... must add the fact that velocity increases with depth; therefore, wavelength also increases with depth. Thus, seismic resolution decreases with depth...
1989
Gemini: A fully operational broadband source for model building and imaging
Carsten Udengaard, David Brookes, Hector Flores
International Meeting for Applied Geoscience and Energy (IMAGE)
... surveys utilizing Full Waveform Inversion for high quality velocity models it will be beneficial to generate additional low frequency energy beyond...
2023