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The AAPG/Datapages Combined Publications Database
Showing 20,860 Results. Searched 200,691 documents.
Fracture Surface Extraction and Stress Field Estimation From Three-Dimensional Microseismic Data
Dylan Copeland, Alfred Lacazette
Unconventional Resources Technology Conference (URTEC)
... in Figure 1. The trace panel was created using a wave equation modeling program. An impulse was generated at the reservoir depth and the response...
2015
Ultrasonic Investigation of the Kuala Lumpur Granite, Peninsular Malaysia
Ng Tham Fatt
Geological Society of Malaysia (GSM)
... for their ultrasonic velocities. The P-wave velocity (Vp) of the fresh samples are mainly between 4700 and 5500 ms· l , and S-wave velocity (Vs) between...
1992
Principles of carbonate production
Wolfgang Schlager
Special Publications of SEPM
... substances and sunlight, and origin, they can form wave-resistant structures and they are c.2 controlled precipitates by heterotrophic organisms easily...
2005
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... predictions based on ray considerations only. This aspect is investigated using wave equation modelling. The effect on the reflection time curve...
1982
Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)
Arnim B. Haase
Search and Discovery.com
... Vibroseis data. Once velocity dispersion is known, Q-factors are computed with the aid of a well known velocity dispersion equation. How does...
2014
Heavy Oil Reservoir Characterization by Time-lapse Seismic and Rock Physics in a Cold Production Reservoir; #41448 (2014)
Naimeh Riazi, Laurence Lines, Brian Russell
Search and Discovery.com
... for heavy oils, the seismic wave velocity and density of the reservoir is altered and this provides the opportunity to monitor the reservoir parameter...
2014
Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport
James McLeman, Tim Burgess, Tom Rayment, Victor Chua
International Meeting for Applied Geoscience and Energy (IMAGE)
... Shelf of Australia. Introduction FWI seeks to minimize differences between the observed data and data modelled using the wave equation with initial...
2022
Exploiting a Priori Model Reduction Methods to Accelerate Seismic Simulations, #42038 (2017).
David Modesto, Josep De La Puente
Search and Discovery.com
... strategy to the usual practice. More precisely, the wave field is generalized to provide any particular solution of the seismic problem at negligible...
2017
Supporting Oil Drilling Rigs in Indonesian Swamps
Paul M. Reed, Johannes Karundeng
Indonesian Petroleum Association
... on previous experience, is to determine resistance by dynamic formulas. The most reliable one is the wave equation. Fig. 8 shows how this method models...
1982
Abstract
Robert. W Scott
Special Publications of SEPM
.... Caprinid and radiolitid rudists comprise reef communities that overlie current- and/ or wave-swept carbonate sands. Caprotinids are scarce...
1990
Introduction
Robert. W Scott
Special Publications of SEPM
.... Caprinid and radiolitid rudists comprise reef communities that overlie current- and/ or wave-swept carbonate sands. Caprotinids are scarce...
1990
Supratidal Environment and Geochemistry of Some Recent Dolomite Concretions, Broad Sound, Queensland, Australia
Peter J. Cook
Journal of Sedimentary Research (SEPM)
... water at all times, due to a combination of shallow water, vigorous wave activity and a tidal range of up to 10 meters. The large tidal range also...
1973
High-Density Mud Suspensions and Cross-Shelf Transport: On the Mechanism of Gelling Ignition
Jochen Kämpf, Paul Myrow
Journal of Sedimentary Research (SEPM)
.... From this erosion rate, and using Equation 9 with h* = 0.05 m, we can roughly estimate that Cb would increase by 0.23 kg m−3 during a wave period...
2014
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
... change shape but not the volume (Robinson 1983, Domenico and Danbom 1987). The equation for the P-wave velocity Vp and S-wave velocity Vs may...
1990
Abstract: Rock Physics Modeling in Montney Tight Gas Play; #90224 (2015)
Ayato Kato, Kunio Akihisa, Carl Wang, and Reona Masui
Search and Discovery.com
...-prediction on S-wave velocity. The model is also utilized to investigate influences of petrophysical paramters on elastic properties. In the Montney formation...
2015
Segregating Porosity-Permeability Transform Using Elocity and Pore Structure in Carbonate Rock
Albertus Ditya, Gregor P. Eberli, Don McNeill, James Klaus
Indonesian Petroleum Association
... vugs and moldic porosity, calcrete, and soil breccia caps on each reef terrace. One hundred thirty eight cylindrical plug samples were selected from...
2015
Abstracts: Synthetic Microseismic Files; #90173 (2015)
J. Wong, P. M. Manning, L. Han, and J. B. Bancroft
Search and Discovery.com
... by ray-tracing (RT) and convolution, or by 2D finite-difference (FD) modeling. The RTmodeled seismograms include direct and head-wave arrivals...
2015
Application of seismic curvature attributes in the delineation of coal texture and deformation in Zhengzhuang field, southern Qinshui Basin
Lutong Cao, Yanbin Yao, Dameng Liu, Yanhui Yang, Yingjin Wang, and Yidong Cai
AAPG Bulletin
... squares approximation was used to fit the local quadratic surface (equation 3) (Wood, 1996):where x and y represent the coordinates of the grid node...
2020
Abstract: Testing the Viability of the Sharpe Hollow Cavity Model in Modelling Explosive Pressure Sources; #90187 (2014)
Christopher C. Petten and Gary F. Margrave
Search and Discovery.com
... a theoretical perspective since wave motion in this region cannot be predicted by the linear wave equation. The SHCM introduced by Joseph Sharpe in the late...
2014
PS reflection-based full-waveform inversion using single-mode propagator
Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith
International Meeting for Applied Geoscience and Energy (IMAGE)
... an approximated S-wave equation. By employing different imaging conditions, we update both the high-wavenumber and low-wavenumber components of the S-wave velocity...
2024
A Finite-difference Based Multi-scale Approach for Electromagnetic Digital Rock Modeling
Mengping Yu, Yibo Wang, Jin-Hong Chen, Ji Chen
Unconventional Resources Technology Conference (URTEC)
... (Micro-CT) technique, which enables the measurement of the local x-ray absorption within cylindrical rock samples, with a typical diameter of a few...
2018
Time-lapse full-waveform inversion by model order reduction using radial basis function
Haipeng Li, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... the optimization method to fit the observed seismic waveforms with the synthetic data calculated from the wave equation, given certain prior information...
2024
Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama
Qifei Huang, Yuefeng Sun
GCAGS Journal
.... The seismic signatures of three carbonate pore types are modeled by solving Zoeppritz equation and applying elastic wave fine-element-method. AVO for fluid...
2017
Abstract: Methods in Estimating Visco-Elastic Properties for Gas Cloud Imaging : A Multicomponent Seismic and Rock Properties Analysis (Geophysics Poster 6)
Ang Chin Tee, M Hafizal Mad Zahir
Geological Society of Malaysia (GSM)
... Figure 1). Through Athy’s equation, the reconstruction of P-wave and S-wave velocities and density trends can be done to predict the normal compaction...
2011
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
..., again with approximations, but with significant time savings. There are two classes of seismic modeling: ray tracing and wave equation methods...
1992