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The AAPG/Datapages Combined Publications Database
Showing 20,635 Results. Searched 200,599 documents.
A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator
Chongpeng Huang, Yingming Qu, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... categories of prestack depth migration methods. The first category is based on ray theory, such as Kirchhoff migration (Kuo and Dai, 1984...
2022
Characteristics of Deep-marine Dolomite: DISCUSSION
Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
... and C13/C12 for Bermuda carbonates. Curve with steep slope: r -0.96, r2 92.2%, regression equation: y = 33.67 - 9.25x. Curve with gentle slope: r 0.70, r2 49.3...
1989
Chapter 10: Integrated Reservoir Characterization to Provide Insight into Porosity and Permeability in a Mixed Carbonate–Siliciclastic Reservoir
Beth Vanden Berg, Stephanie LeBlanc, G. Michael Grammer
AAPG Special Volumes
... analysis of the data with relatively low measured porosity (<10%), shows a nearly linear relationship between the velocity response and porosity. As noted...
2019
Abstract: Machine Learning Application for Shear Velocity Prediction in Unconventional Reservoirs; #91206 (2023)
Nassim Bouabdallah, Abdeldjalil Latrach, Aimene Aihar
Search and Discovery.com
... consisting of depth, neutron porosity (NPHI), density (RHOB), photoelectric (PEF), gamma ray (GR), caliper and VP were used to develop a model for shear...
2023
Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)
Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman
Geological Society of Malaysia (GSM)
... to comprehend local lateral velocity variations, and interpretation of seismic data in the depth domain. This paper presents a case study from offshore...
2003
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... for all depths. The traveltime to a vertical array of conversion points, defined in depth, can be computed with conventional methods such as ray tracing...
2015
Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
...Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014...
2014
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... of the enhanced gathers for the true velocity model. Figure 4a shows the PSDM result using the original gathers. Figure 4b is a depth section obtained from...
2014
Staggered source acquisition to improve images fidelity
Chunming Wang, Hongwei Guo, Gengxin Peng, Ying Hu, Junru Jiao, Bin Yang, Kun Xu, Grace Yan, Xianhuai Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... al, 2006). The typical algorithms for illumination analysis include ray-tracing and wave ray tracing equation methods. The former is computing cost...
2022
Improving seismic resolution by reprocessing multiple surveys at Na Kika field
Qingsong Li, Robert (Bobby) Chrisman, Dale Baptiste, Yan Liu, Dhvanil Patel, Carlos Rivas Aroni
International Meeting for Applied Geoscience and Energy (IMAGE)
... seismic resolution at reservoir depth through reprocessing of existing datasets. Even so, improving seismic resolution has been a continued focus area...
2023
VTI anisotropic stiffness tensor logging: A case study
Kristoffer Walker, Alexei Bolshakov, Gama Firdaus, Tim Fischer, Luca Duranti, Luisa Crousse, Mason Edwards
International Meeting for Applied Geoscience and Energy (IMAGE)
... a linear trend over the processed depth interval (Figure 3, track 4, black dots). The linear trend was used to interpolate mud slowness between...
2024
Well Log Data Conditioning Using a Rock Physics Modeling Approach: Examples From the Banyu Urip Field, Cepu KKS, East Java Basin
Shiyu Xu, Soman Chacko
Indonesian Petroleum Association
... that carbonate pore type strongly affects the porosity-velocity relationship (e.g., Eberli et al. 2003). The complex, multi-scale pore system...
2008
Venture Gas Field, Offshore Nova Scotia: Case Study of Overpressuring in Region of Low Sedimentation Rate
Brett S. Mudford , Melvyn E. Best
AAPG Bulletin
... Figure 5). Fig. 6. (A) Composite temperature vs. depth below sea level, including linear least-squares fit, for wells B-52, B-43, H-22, and B-13. (B...
1989
P- and S-Wave Velocity Structures of the Sigsbee Abyssal Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data
Sangmyung D. Kim, Seiichi Nagihara, Yosio Nakamura
GCAGS Transactions
... assumed a depth-invariant Poisson's ratio within each layer and performed trial-and-error, forward ray-trace modeling. We were able to identify mode...
2000
Depositional Architecture and Petrophysical Variability of an Oolitic Tidal Sand Shoal: Pennsylvanian (Missourian), Kansas, U.S.A.
Eugene C. Rankey, Hamilton Goodner, John Doveton
Journal of Sedimentary Research (SEPM)
...) velocity, velocity anisotropy, and elastic moduli. In addition, apparent porosity exponents (ma) were computed from log porosity and array induction deep...
2018
Dissolution and Precipitation Kinetics of Kaolinite: Initial Results at 80°C with Application to Porosity Evolution in a Sandstone
K. L. Nagy, C. I. Steefel, A. E. Blum, A. C. Lasaga
AAPG Special Volumes
... (equation 6, if n ^ne 1) and linear (equation 7) rate laws near equilibrium. Equation 6 has been the form used most commonly for representing...
1990
Machine Learning Applications for Reservoir Pressure Trend Prediction in Potash Area of Delaware Basin
Olabode Thomas Ajibola, James Sheng, Phillip McElroy, Ebru Ulna
Unconventional Resources Technology Conference (URTEC)
... of the most commonly used machine learning algorithms. It can be represented by the linear equation 4 below...
2022
Variations of Density and Porosity with Depth in Deep-sea Sediments
Edwin L. Hamilton
Journal of Sedimentary Research (SEPM)
..., Lab). Regression equation for in situ curve under Table 2. Bottom: porosity versus depth in radiolarian ooze, Central Pacific. Symbols (same as top...
1976
Shale Gas Sweet Spot Identification using Quantitative Seismic Interpretation (QSI) and Neural Network in Krishna-Godavari Basin, India
Soumen Deshmukh, Shrey Omer, P. S. Tomor, Harilal
Unconventional Resources Technology Conference (URTEC)
... of sedimentary facies from Early Permian to Recent (Gupta, 2006; Deshmukh et al., 2017). Broad tectonic expression of the basin comprises a linear NE-SW...
2020
Coupling Geomechanics and Petrophysical Measurements for Production Enhancement in Organic-Rich Shales
Azra N. Tutuncu, Daisuke Katsuki, Binh T. Bui, Anton Padin, Bryan McDowell
Unconventional Resources Technology Conference (URTEC)
... property alteration and formation tortuosity. The grain contact adhesion hysteresis model was modified to incorporate permeability and velocity...
2016
3D Radon transformation with axis dependent curvature
Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck
International Meeting for Applied Geoscience and Energy (IMAGE)
... and β=2 represents linear in the X direction and parabolic in the Y direction. Note that the parabolic ray parameter is designated by q but we use p...
2024
Fault Interpretation Problems in the Southeast Barrow Sub-Basin
R. K. Whyte
Petroleum Exploration Society of Australia (PESA)
... several major steps. With fault offset these steps cause lateral velocity contrasts on the fault plane, called velocity windows. Normal incidence ray...
1994
Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin
Erin Shirley
Australian Petroleum Production & Exploration Association (APPEA) Journal
... to the McKinlay Member marker or a pseudo velocity to tie to the Namur Sandstone depth marker, which is then isopached to the McKinlay Member. Depth...
2018
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... of horizontal phase velocity) or ray parameter (p) and the intercept time (T). The projection slice theorem provides a method for computing the T-p...
1990
Low Resistivity Reservoir Pay Evaluation, New Opportunity for Further Development, Case Study On Gumai Formation Of "B" Field, Jambi Sub Basin, South Sumatera Basin
Debby Rahayu, Lia Reulina Ketaren
Indonesian Petroleum Association
... response, the non-linear relationships are more optimistic, because they result in lower clay content values than the linear equation. The Stieber method...
2021