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The AAPG/Datapages Combined Publications Database

Showing 60,747 Results. Searched 200,293 documents.

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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

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