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The AAPG/Datapages Combined Publications Database
Showing 511 Results. Searched 195,456 documents.
Dual Paleogene and Neogene Petroleum Systems in East Natuna Basin: Identification of a New Exploration Play in the South Sokang Area
Maria Raharja, Suzannah Carmody, Jeres R. Cherdasa, Nuryoko Haribowo
Indonesian Petroleum Association
... petroleum systems. Six velocity semblance panels are chosen in different locations to investigate the velocity trend crossing the unconformity...
2013
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
... algorithms The different coherence algorithms that have been proposed over time are the crosscorrelation-based (Bahorich and Farmer, 1995), semblance...
2018
Structure and Stratigraphy of the Blake Escarpment Based on Seismic Reflection Profiles: Rifted Margins
R. E. Sheridan , C. C. Windisch , J. I. Ewing , P. L. Stoffa
AAPG Special Volumes
... analyses were done using the semblance technique of Taner and Koehler (1969). The U.S.G.S.-I.F.P. profiles across the base of the escarpment have been...
1979
Australian Insights into Streamer Technology Innovations
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... semblance t rend is evident du ring ana lysis, and associated improvement s in later stage velocity analysis subsequent ly derive from improved mu...
2009
The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion
Scott W. Singleton
GCAGS Transactions
... to determine the dip with the greatest semblance. Once local dip is determined, correlation coefficients of all surrounding traces are calculated along...
2008
2.3 Detached Sediments in Extensional Provinces: 2.3.3 Gravity Gliding: East African Continental Margin Transect
M. F. Coffin and P. D. Rabinowitz
AAPG Special Volumes
... deployed frequently along the lines to obtain wide-angle reflection and refraction velocities which supplemented semblance velocities for stacking...
1983
Seismic Stratigraphy of the Bahamas
John W. Ladd , Robert E. Sheridan
AAPG Bulletin
..., equivalent to a 50-m spacing at ship speeds of 5 knots. The data were processed at Lamont-Doherty Geological Observatory using standard semblance velocity...
1987
Structural Evolution of the Northern Bonaparte Basin, Northwest Shelf Australia
Vicki Amir, Robert Hall, Christopher F. Elders
Indonesian Petroleum Association
... in the Sunrise and Troubadour fields in the north-east of the study area. An overlay of a map of carbonate areas with a semblance coherency time slice map...
2010
Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data
Scott Singleton, Mark Suda
GCAGS Transactions
... seismic attributes using a semblance-based coherency algorithm: Geophysics, v. 63, p. 1150–1165. Roberts, A., 2001, Curvature attributes...
2012
Bobcat Run South Field, Orange County, Texas-Oligocene Frio Formation Hackberry Sand Discovery Utilizing 3-D Seismic Data
Robert L. Zamboras
GCAGS Transactions
... in the Poisson's ratio and predicts an increase in amplitude with offset. Amplitude, frequency absorption, semblance, spectral decomposition and velocity inversion...
1998
The Changing Mineral Situation
C. K. Leith
Tulsa Geological Society
... than not at variance with regard to their attitude towards minerals. Today there is no semblance of a NATIONAL MINERAL POLICY. Not only...
1932
Some Qualitative Analyses of the Ground Magnetic Survey in the Kedah Peak Rest House Area, Kedah
B. K. Lim
Geological Society of Malaysia (GSM)
... first suggested a metasomatised arenaceous origin on the basis of its slight sedimentary semblance. Almashoor (1974) however suggested a bedded...
1980
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
..., constant-velocity stacks, and semblance-velocity scans (Taner and Koehler, 1969) can be computed and used to find the stacking velocities of the deep...
1989
Fast and efficient structure-oriented preconditioning with on-the-fly dip estimation
Rodrigo Felicio Fuck, Lorenzo Casasanta
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Structure-oriented smoothing and semblance: CWP Report, 635. He, K., J. Sun, and X. Tang, 2013, Guided image filtering: IEEE Transactions on Pattern...
2023
Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset
Ayrat Abdullin, Umair Bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... in 1D layered models using a deep neural network inspired by semblance analysis. The results show promising accuracy in estimating velocity...
2023
Basal Relationships of the Mississippian in Northeastern Missouri
Maurice G. Mehl
Kansas Geological Society
... to that of the Hannibal but differs in several important details. There is no semblance of a Siphonodella zone. The sandstone lenses contain, in addition...
1961
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... coherency semblance for each The real data used in this study are seismic lines from the Sula Basin located in the north arm of Sulawesi, Indonesia...
2007
Age significance of n-C17/Pr ratios in forensic investigations of refined product and crude oil releases: Reply
Richard W. Hurst, Gene W. Schmidt
Environmental Geosciences (DEG)
... that developed by Kaplan et al. (1997). If n-C17/Pr ratios did not exhibit some semblance of uniformity, observed consistencies in the progression...
2008
Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area
Andrea Bergamaschi, Michele Buia
Indonesian Petroleum Association
... of seismic angle volumes (Near, Far, Ultra Far) was used to finalize the modelling (Figure 7). Coherency, semblance and curvature volumes were...
2009
Evidence of Eustatic Shifts in Sea Level in the Pennsylvanian of the Southwestern United States
Harold R. Wanless
Tulsa Geological Society
... with sediment before renewal of downwarping. rather continuous downwarping with compaction of coals and shales giving the semblance of intermittent subsidence...
1952
Profile Analysis - A Geologically Oriented Gravity Interpretation
Clint F. Fagg, Daniel E. Herlihy
GCAGS Transactions
... sound, the residual map should have some semblance to a structural map if it is to be of real value to the exploration geologist. METHODS PRESENTED...
1969
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... attributes K NIP by fitting the CRS operator as described by equation (1) to the multi-coverage pre-stack seismic dataset. Semblance as coherency measure...
2013
Application of Wide-Azimuth 3-D Seismic Attributes to Predict the Microfractures in Block MA Area for Shale Gas Exploration in South China
Yusheng Zhang, Gang Yu, Xing Liang, Li Jiang
Unconventional Resources Technology Conference (URTEC)
... generation coherence method, namely, the Algorithm C2, does not use semblance but mutual coherence to process on seismic channels, can calculate the dip...
2015
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... semblance criterion of the NMO corrected data, and apply a higher order NMO to the data before correcting. This step is residual movemout correction...
2015
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
...) and semblance scan results (Zhang et al., 2014). In a horizontally transverse isotropic layer, the usual source of the anisotropy is regional stress...
2016