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The AAPG/Datapages Combined Publications Database
Showing 60,747 Results. Searched 200,293 documents.
Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
Feiyue Xia, Carlos Torres-Verdín
International Meeting for Applied Geoscience and Energy (IMAGE)
... based on the fast marching method (FMM) (White et al., 2020) to further study apparent slowness changes along top and bottom azimuthal receivers in HA...
2024
Self-organizing mapping neural network analysis on seismic-sedimentary facies
Tianyun Wang, Yuan Li, Xiaoping Sun, Pei Ke, Tao Li, Hongxiao Ning, Wei Liu, Xiaofeng Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the new study area. Taking the strata of Bayingobi formation of Lower Cretaceous in L sag of Y basin as the research object, relying on seismic and a small...
2022
Saturated hydraulic conductivity (Ks) of earth materials in the weathering profile over a porphyritic biotite granite at the Kuala Lumpur Karak Highway in Peninsular Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
... coefficients (R2 <0.600) for hydraulic conductivity versus index properties as clay and sand contents, but large correlation coefficients (R2 >0.820...
2021
Fluid Flow Direction During Dolomite Formation as Deduced From Trace Element Trends
Hans G. Machel
Special Publications of SEPM
... mathematical model distribution coefficients smaller than and if 2 cement as a dolomite one replaces MACHEL Alberta T6G 2E3 University...
1988
Sequence-Stratigraphic, Petrophysical, and Multicomponent Seismic Analysis of a Shelf-Margin Reservoir: San Andres Formation (Permian), Vacuum Field, New Mexico, United States
Matthew J. Pranter, Neil F. Hurley, Thomas L. Davis
AAPG Special Volumes
... from log data using average-reflection-strength values for the same intervals on the seismic data. Correlation coefficients (r) of 0.81 and 0.57 between...
2004
Application of a Stochastic Deposition and Erosion Model to Reservoir Heterogeneity and Stratigraphic Data
Jon D. Pelletier, Donald L. Turcotte
Special Publications of SEPM
... HOSKEN 1985 An investigation of the speclral properties of primary reflection coefficients Geophysical Prospecting v 33 p 435 400 WILDE P W R NORMARK...
1999
Velocity Logging and Its Geological and Geophysical Applications
H. R. Breck, S. W. Schoellhorn, R. B. Baum
AAPG Bulletin
... coefficients of the formations logged and is affected principally by degree of compaction and geologic age. The velocity log provides an additional parameter...
1957
Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya
Abdeladim M. Asheibi
Bulletin of Canadian Energy Geoscience (CEGA)
... coefficients from the seismic data, constraining the reflection coefficients with the model and then inverting the coefficients to produce the impedance...
2023
Building Well and Fluid-Specific Pipe Friction Curves, Monitoring Perforation Cluster Efficiency During Stimulation, and Measuring Near-Wellbore Tortuosity Using Acoustic Friction Analysis
Eric M. Dunham, Saeed Rahimi-Aghdam, Junwei Zhang, Nathan Crawford, Craig Cipolla, Michael McKimmy, John Lassek
Unconventional Resources Technology Conference (URTEC)
... of the fracture treatment stage, 𝑍< . The reflection coefficient in this case is given by the expression (e.g., Paillet & White, 1982): 𝑅= Q' RQ( Q' SQ...
2024
Abstract: A Case Study of the Seismic Reflection Method Applied to Subsurface Geological Mapping in the Kuala Lumpur Area
J. K. Raj, Preamakanthan
Geological Society of Malaysia (GSM)
...Abstract: A Case Study of the Seismic Reflection Method Applied to Subsurface Geological Mapping in the Kuala Lumpur Area J. K. Raj, Preamakanthan...
1986
Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)
Liansheng Liu, Chunlan Xing
Search and Discovery.com
..., most of the coefficients approximate zero. Therefore, the model’s general structure can be reconstructed using only a small number of significant...
2025
Remote surface mapping using orthophotos and geologic maps draped over digital elevation models: Application to the Sheep Mountain anticline, Wyoming
Subhotosh Banerjee and Shankar Mitra
AAPG Bulletin
... three-dimensional mapping. White lines represent results from an earlier map by Hennier (1984). Tops of Amsden and Tensleep formations have been...
2004
Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)
Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra
Search and Discovery.com
... is motivated in part by the fact that most of the existing literature tends to focus on a small fraction of the totality of effects influencing algorithm...
2014
Effect of Overburden and Reservoir Pressure on Electric Logging Formation Factor
I. Fatt
AAPG Bulletin
... formation factor, increased with increase in the difference between the external and internal pressure. The exponents and coefficients in the Archie...
1957
High Resolution Characterization of Reservoir Heterogeneity with Cross-well Seismic Data A Feasibility Study, #41591 (2015).
Brad Bonnell, Chuck Hurich, Rudi Meyer
Search and Discovery.com
... features, but both lack in their resolution capabilities that limit the effectiveness of characterization. Well log data has a sufficiently small vertical...
2015
Automatic low-order weak faults detection from carbonate reservoir based on deep learning and ant tracking
Han Wang, Xingwei Wu, Hanqing Wang, Jin Meng, Ji Chang, Tianrui Ye, Yujie Zhou, Dongwei Zhang, Yitian Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... use reflection coefficient inversion to improve the resolution of seismic data, and then employ the ant tracking algorithm to obtain fault...
2024
Prediction of Normal-Fault Geometries--A Sensitivity Analysis
Martha Oliver Withjack, Eric T. Peterson
AAPG Bulletin
... the normal fault and the fault location, however, produce only small uncertainties in the predicted fault geometry. Our work suggests that if seismic and well...
1993
Mid-Continent Rift System--A Frontier Hydrocarbon Province: ABSTRACT
Carol Kindle Lee, S. Duff Kerr, Jr.
AAPG Bulletin
... surface to explain the small-scale "notches" which occur within the narrow gravity high. Reflection seismic data are virtually unknown in the rift...
1983
Integration of High-resolution Outcrop and Subsurface Data to Enhance Interpretation of Low-resolution Seismic Data in the Upper Devonian (Frasnian) Carbonate System in Western Canada
Anne M. Schwab, Frans S. P. van Buchem, Gregor P. Eberli
AAPG Special Volumes
... on reflection seismic data (White, 1989). This same seismic line is used in the current study for the detailed comparison between the outcrops and seismic...
2004
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... versatility and sturdiness, and the portable equipment is a noteworthy achievement in adaptation to small space. The instrumental components of a reflection...
1953
Fault Criteria
Francis F. Campbell
GCAGS Transactions
.... The middle trace is derived from the CVL log by analog computer and represents the reflection coefficients. The bottom trace is the synthetic seismic...
1965
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
....), "Approximations to the Reflection and Transmission Coefficients of Plane Longitudinal and Transverse Waves," Geophysical Prospecting, Vol. 9, No. 4, pp...
1987
VSP: Lessons from Numerical Simulation
M. Suprajitno, S. A. Greenhalgh
Indonesian Petroleum Association
... computing the 'resultant' transmission and reflection coefficients at R (Figure 1). The resultant coefficients are expressed in the frequency domain...
1985
Very High Amplitude Seismic Anomaly in Georges Bank Trough, Atlantic Continental Margin
Robert C. Anderson, David J. Taylor
AAPG Bulletin
... of a geologic cross section, usually from well log data, from which a time model and reflection coefficients can be derived. Because the Georges Bank...
1981
Geochemical Dynamics of an Ephemeral Spring in Limestone, Red Bud Valley, Rogers County, Oklahoma
Sedimentary Geochemistry Class
Oklahoma City Geological Society
... The composition of spring water issuing from a small cavern in the Oolagah Limestone at Red Bud Valley changes rapidly and systematically along its course...
1994