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The AAPG/Datapages Combined Publications Database
Showing 5,455 Results. Searched 200,293 documents.
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
Development of Limited Discrete Fracture Network Using Surface Microseismic Event Detection Testing in Canadian Horn River Basin
Claudio Virues, Jason Hendrick, Sudhendu Kashikar
Unconventional Resources Technology Conference (URTEC)
... to the vendor for the noise and detectability testing. An additional dataset was later sent for moment tensor analysis. The velocity for the imaging...
2016
Size Frequency Distributions of Sediments and the Normal Phi Curve
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... a graphic approach. By the simple expedient of substituting a different variable directly into the form of equation 1, a normal law was developed having all...
1938
Moment tensor inversion of perforation shots using distributed acoustic sensing
Milad Bader, Robert G. Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... properties (Lellouch et al., 2020). Similar waves are generated by microseismic events, which can be used to conduct velocity dispersion analysis (Luo et...
2022
New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia
Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra
Indonesian Petroleum Association
... reservoir interval are divided into two different reservoir sandstones (known as the 33-4 and 33-6 sands), where limestone stringers are also present...
2018
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
...Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas Wan Yang , Michelle A. Kominz 1999 Vol. 69 (1999...
1999
Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field
DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,
Unconventional Resources Technology Conference (URTEC)
... gas field of PetroChina. The development magnitudes of the natural fractures in the vertical and horizontal wells are different. High angle natural...
2021
Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data
Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm
International Meeting for Applied Geoscience and Energy (IMAGE)
...-resolution and stable imaging in the presence of rough migration velocity models. We demonstrate the performance of our method using a short offset academic...
2022
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... wave prestack migration and velocity analysis has been developed. That is based on the consideration of prestack migration by equivalent offset...
2015
Foreword for Geophysical Part of Field Trip
R. E. Kropschot, James E. Walker
Pacific Section of AAPG
... demonstrations of a Digital Seismic Field System and of a “VIBROSEIS” System will be held for the entire field group at Stop No. 4. The geophysicists...
1965
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
...+ and R- are the wave front curvatures of the fictitious waves ΣS and ΣG, respectively, and V0 is the near surface velocity. Quantities R+ and R...
2011
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
...-upgoing and P-downgoing are different. For instance, from positive particle velocity (positive acoustic contrast), vertically oriented geophone records...
2010
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
... travelling waves in all cases. The array responses are also found to be more degraded when channel variations are present underneath a few receivers...
2016
Abstract: Cost Efficient Acquisition to Reduce Coarse Land 3D Line Spacings Through Beyond Nyquist Interpolation and Wavefield Reconstruction for Signal and Noise; #90187 (2014)
Bill Goodway
Search and Discovery.com
... share the same linear velocity or plane as the aliased, higher temporal frequencies. In addition this spatial bandwidth need not be contiguous, i.e....
2014
Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)
A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi
Search and Discovery.com
... to measure of the quality of synthetic data reconstructions is defined and applied under various scenarios. Two different measures of performance in the case...
2014
Depth Imaging Coil Data: Multi Azimuthal Tomographic Earth Model Building and Imaging of Tulip (Paper A15)
S. Chen, M. Buia, L. Livraghi, M. Bakhrudin, M. Tham, M. Bayly, S. Ng, O. Zdraveva
Geological Society of Malaysia (GSM)
... with the coil dataset. By deferring the summation of the different azimuths from the migration step to a separate sum later enables analysis of event...
2012
Origin of Shell Beaches, Padre Island, Texas
Richard L. Watson
Journal of Sedimentary Research (SEPM)
... (1933) presented a vector diagram of the wind direction, duration, and square of the velocity for the period 1923-1930. The annual vector sum derived...
1971
Induced polarization chargeability calibration standards
John E. E. Kingman, Terry J. Ritchie, Peter Rowston*
Petroleum Exploration Society of Australia (PESA)
... signal level for a specific time gate used in practice, to a different time gate used as a theoretical standard, it becomes axiomatic that a standard...
2019
Abstract: Pre-survey Planning for Microseismic Monitoring Projects; #90174 (2014)
Brad Artman, Ben Witten, and Brad Birkelo
Search and Discovery.com
... the radiation pattern of P-wave energy from a (double-couple) fault. Figure 2 shows the sum of Sv and Sh amplitudes. The horizontal plane shows...
2014
Ancient Examples of Tidal Sand Bodies Formed in Open, Shallow Seas
Roger G. Walker
Special Publications of SEPM
... be supported by reference to Allen's models. bedding of Figure 14 suggests strong tidal time-velocity asymmetry (Allen, 1981); second, the large sand waves (Fig...
1986
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... to effectively separate the upgoing waves (Figure 5). Finally, we addressed the choice of wavelet. Initially, we analyzed the sum of the frequency spectra across...
2024
Shallow Carbonate-Bank-Margin Growth and Structure, Little Bahama Bank, Bahamas
Albert C. Hine , A. Conrad Neumann
AAPG Bulletin
...) where ^rgr is the density of sea water, g is the gravitational constant, H is the wave height, and Cg° is the deep-water wave-group velocity. The wave...
1977
A Temporal and Spatial Study of Mudflat Erosion and Deposition
Franz E. Anderson, Luther Black, Les E. Watling, William Mook, Lawrence M. Mayer
Journal of Sedimentary Research (SEPM)
... in the spring. In some months erosion and deposition took place during the same time interval but on different parts of the mudflat. The data suggest that areas...
1981
Wave Climate Models for the Continental Shelf: Critical Links Between Shelf Hydraulics and Shoreline Processes
Victor Goldsmith
Special Publications of SEPM
... to minimize distortion caused by the earth s curvature i e 4 19 different ray parameters are waves travel great circle paths computed along each ray including...
1987
Unconventional Processing for 3D Data: A 1993 Case History
Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun
Indonesian Petroleum Association
... differences caused by variation of offsets in one case, or by vertical travel in different velocity media in the other. Whatever the cause, the effect...
1994