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The AAPG/Datapages Combined Publications Database
Showing 4,715 Results. Searched 195,387 documents.
The Origin of Inverse Grading in Muddy Debris Flow Deposits--A Review
Michael A. Naylor
Journal of Sedimentary Research (SEPM)
... to clay rheology mechanisms (above). Initial Stratification.--Some forms of inverse grading could be relicts from stratified source materials. There exists...
1980
Subsurface seismic imaging using drill bit noise
Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... of the source wavelet in A. Right side of the Equation 1, presents sum of the cross-correlation of the wavefields recorded by the borehole geophones at C...
2019
Deconvolution Using Matlab Script to Identify Fault-Seal
Maulana Hutama Rahma Putra, Irvan Rahadian Putra
Indonesian Petroleum Association
... the coefficient because this type of deconvultion is powerful when we know the source wavelet is well known. ∑ ∗ Where d(n) is the desired output...
2018
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
... at each depth level, (2) source wavelet or downgoing wave deconvolution, (3) separating upgoing and downgoing wave in the wave number-frequency (FK) domain...
2009
Applied Geostatistics Method for Clastic Gas Reservoir Facies Modeling of Middle Arang Formation of TS Gas Field, West Natuna Basin
Tigor Siagian, Ali Taha Al-Temimi, Abdulaziz Al-Mousawi, Sonny Winardhi
Indonesian Petroleum Association
... data only scattered at the crest of the structure. This causes uncertainty regarding the final results of the modeling. Therefore, Inverse-Q...
2017
Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Unconventional Resources Technology Conference (URTEC)
..., in particular the Avalon shale, may contribute as source rocks in the Delaware Basin. During the Wolfcampian, dark shale and limestone with silt and sand zones...
2019
Full waveform inversion of simultaneous long-offset data
Nizar Chemingui, Alejandro A. Valenciano, Andrew Long
Petroleum Exploration Society of Australia (PESA)
...). Two streamer vessels were used, each towing 10 x 8 km dualsensor streamers. The acquisition employed three additional source vessels in a simultaneous...
2019
Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution
Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... These results exhibit a broadband wavelet as the deconvolution process cancels out the source signature. (8) which means: 𝑅𝑍𝑋 = 1 − 𝑆/𝐷. (9...
2023
Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing
Charles I. Puryear
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Introduction wavelet extraction, spectral inversion with sparsity constraints, and targeted broadband filtering (Puryear et al, 2023) to extend the spectrum...
2023
Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia
Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott
Indonesian Petroleum Association
... is applied to recover the attenuation of seismic wave that propagated from the source through the subsurface and reflected to the receivers. Deconvolution...
2015
Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)
Chris Bird, Kristopher Innanen, Laurence Lines
Search and Discovery.com
... of extracting AVF information to more complicated ( and realistic) modeled traces; such as including noise, a source wavelet, and traces with numerous...
2015
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
... to one seismic trace recorded at the surface vertically above a source location, and where the reflectors are horizontal. The 1D model confines the energy...
2015
2012
Upper Cretaceous Resedimented Conglomerates at Wheeler Gorge, California: Description and Field Guide
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... a paleocurrent direction for layer 3 for the first time. The conglomerates do not contain as much inverse grading as has previously been suggested...
1975
Synthetic-data-driven deep learning method for elastic parameter inversion
Shuai Sun, Luanxiao Zhao, Huaizhen Chen, Zhiliang He, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
... of density and S-wave velocity;(d) Synthetic elastic parameter curves, the source wavelet, and the synthetic pre-stack AVO gather. Conditional...
2023
Extrapolation of Reservoir Lithology Away from Wells Using Seismic-Geologic Controls
Ruben D. Martinez, Geoffrey Mansfield
Indonesian Petroleum Association
... and constraints are invoked in a two stage iterative inverse procedure, to perturb the lithological model at every point throughout the survey area...
1991
Stratigraphic and Structural Interpretations Using Diffraction Seismograms
Richard K. Snavely , A.K.M. Sarwar
GCAGS Transactions
..., Diffraction response for non-zero separation of source and receiver: Geophysics, v. 42, p. 1158-1176. Frey, M.G., and Grimes, W.H., 1970, Bay...
1988
Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia
Dmitri Skorinski, Ted Manning
Indonesian Petroleum Association
...). Ghost reflections from the sea surface are a wellknown phenomenon limiting the bandwidth of marine seismic data, referred to as the source and receiver...
2014
Inverse Grading Resulting from Coarse-sediment Transport Lag
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
...Inverse Grading Resulting from Coarse-sediment Transport Lag Bryce M. Hand 1997 Vol. 67 No. 1. (January), Inverse grading in turbidites...
1997
Fast viscoacoustic forward modeling method based on U-net Fourier neural operator
Wenbin Tian, Yang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... factors Q are respectively 2000 m/s and 50. A 35 Hz Ricker wavelet with a time interval of 1 ms is used as a source wavelet, and the maximum sampling...
2023
Extended Abstract: Sensing Below with Ocean Bottom Seismic
Bill Cafarelli
Petroleum Exploration Society of Australia (PESA)
... require small source to receiver separation (small "offsets"). Consequently, the smaller offsets and higher fold often achieved in bottom cable...
1996
Two Inversion Case Studies from the SCOOP and STACK Area of Oklahoma
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Unconventional Resources Technology Conference (URTEC)
... been more focused on production from the Devonian Woodford and Mississippian Meramec formations (Figure 1). While the Woodford is the source rock...
2019
Abstract: Re-evaluating Depositional Models for Shelf Shales
Janok P. Bhattacharya and James A. MacEachern
Houston Geological Society Bulletin
... that show both normal and inverse grading (Fig. 1), indicating sustained flows that waxed and waned. They also display low intensities of bioturbation...
2009
Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation
Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry
International Meeting for Applied Geoscience and Energy (IMAGE)
... the background wavefield in the virtual sources and the data residuals are weighted by the inverse of the data-domain Hessian in the adjoint source (Operto...
2023
Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Herman C. Sieck, George W. Self
AAPG Special Volumes
...) such as horizons containing gas. The debubbling system uses a computer to design an inverse shaping filter from a digitized source wavelet...
1977