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The AAPG/Datapages Combined Publications Database

Showing 5,195 Results. Searched 200,619 documents.

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Eocene Conglomerate Sedimentology and Basin Analysis, San Diego and the Southern California Borderland

David G. Howell, Martin H. Link

Journal of Sedimentary Research (SEPM)

..., or locally inverse to normally graded. PALEOENVIRONMENTS Faunal and sedimentological evidence suggests that the Eocene rocks in the San Diego area were...

1979

Fine-Sediment Deposition from Gravity Surges on Uniform Slopes

W. Brian Dade, John R. Lister, Herbert E. Huppert

Journal of Sedimentary Research (SEPM)

... diminishes as the inverse square root of the downstream distance x when xo << x << xr, and then diminishes exponentially with downstream distance as x...

1994

A scale-independent approach to fracture intensity and average spacing measurement

Orlando J. Ortega, Randall A. Marrett, Stephen E. Laubach

AAPG Bulletin

.... 7387.Olson, J. E., and D. D. Pollard, 1991, The initiation and growth of en chelon veins: Journal of Structural Geology, v. 13, no. 5, p...

2006

Deep-Water Sandstone Facies and Ancient Submarine Fans: Models for Exploration for Stratigraphic Traps

Roger G. Walker

AAPG Bulletin

... graded, and can contain parallel stratification and large-scale cross-stratification. Conglomerates are characterized by inverse and normal grading...

1978

AAPG Archie Series, No. 1: Bibliography

Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia

AAPG Special Volumes

...). Tarantola, A., 1987, Inverse Problem Theory: Amsterdam, Elsevier, 630 p. Thadani, S. G., and G. A. Merchant, 1982, Deconvolution with Propagated...

2006

NATS on WATS seismic imaging, rock property modeling and interpretation using machine-learning techniques to inform reservoir quality and deliverability in the Gulf of Mexico

Peter Lanzarone, Shenghui Li, Kang Fu, Kenny Gullette, Jeff Thompson, Gabriel Ritter

International Meeting for Applied Geoscience and Energy (IMAGE)

... pre-stack depth migration, and inverse-Q. Areas with missing seismic coverage in the WATS dataset due to the platform in place during acquisition were...

2022

GEOLOGY OF THE JURASSIC SAWTOOTH RESERVOIR AT NE RABBIT HILLS FIELD, NORTH-CENTRAL MONTANA

KAREN W. PORTER, CHARLES J. WIDEMAN, JON M. CONAWAY

Williston Basin Symposium

... have occurred, then an isopach map of the fill interval should essentially be the inverse of an isopach map of the pre-downcut interval...

1998

Basic Log Analysis in Coalbed Methane Exploration

Edward B. Campen, Elizabeth B. Campen

Rocky Mountain Association of Geologists

... the micro-inverse and the micronormal curves on the Microlog suggests intervals where porosity and permeability are best developed (Figure 5). If other...

2002

Groundwater Data Analysis for Methyl Tertiary Butyl Ether

Yue Rong

Environmental Geosciences (DEG)

... to the inverse correlation between the hydraulic gradient and the plume length. First, the method to measure the plume length as illustrated...

1999

TECTONIC PATTERNS OF CENTRAL MONTANA

FRANK P. SONNENBERG

Montana Geological Society

... The Central Montana area consists of a generally east-west trending assemblage of monoclinal flexures, en echelon fault zones...

1956

Time Variations of Natural Gamma Radiation

Robert S. Foote, Nathan E. Frick

Environmental Geosciences (DEG)

.... Diurnal cycles in BiAIR appear to correspond in time phase with the inverse of the temperature modulated by the inverse of the dew point temperature...

2001

Modelling simple and multiple bi-wing geometric behavior of fractures propagating from notches of radial wellbore

Justin Jordan Pidho, Yuanfang Cheng, Chuanliang Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... coefficient. The duo’s experiment presents pressure drop with direct proportion relation to the flow rate and inverse proportion to the perforation...

2022

Horizontal well: The key factor to improve oil recovery in Bohai Bay

Xiaoming Chen, Yingxian Liu, Hui Cai, Meinan Wang, Junting Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... differences. In the initial stage, an inverse nine-spot well pattern was used for commingled development. The peak oil production rate was 1.5%, and good...

2022

An application of FWI with progressive transfer learning

Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... (FWI) solves the inverse problem by minimizing the misfit between the real seismic record and the simulated waveform generated by the forward modeling...

2022

Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia

Jorge Monsegny, Saúl Guevara

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... like observed arrivals times. Basically, seismic tomography is an inverse problem method which searches a velocity model that best fits the observed...

2008

High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

... shifted, but the time scales are the same. Looking again at the reflection line in Slide 3, notice the inverse correlation between the surface...

1972

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Pacific Section of AAPG

.... (Figure 9). The resulting curve will pass through strong reflecting events and be little influenced by them. The inverse of the curve fit can then be used...

1972

Apportioning Estimates of Basin Potential to Fields

K. J. Roy, W. A. Ross

CSPG Special Publications

...: where erfc-1 is the inverse complimentary error function (Abromowitz and Stegun, 1964). Total resource in a basin is: The percentage of the total...

1980

Machine learning inversion of time-lapse three-axis borehole gravity data for CO2 monitoring

Taqi Alyousuf, Yaoguo Li, Richard Krahenbuhl

International Meeting for Applied Geoscience and Energy (IMAGE)

...al., 2016) to execute reservoir simulations and extract borehole gravity production data. Transform saturation to changes in density The density chan...

2022

Reservoir models selection based on volumetric and connectivity metrics

Peng Li, Dario Grana, Leonardo Azevedo

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and N. Liu, 2008, Inverse theory for petroleum reservoir characterization and history matching: Cambridge University Press. Park, H., C. Scheidt, D...

2022

Least-squares reverse time migration of seismic source coding based on Shearlet transform

Yingkaer Nabi, Xiangbo Gong, Zhuo Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

...Least-squares reverse time migration of seismic source coding based on Shearlet transform Yingkaer Nabi, Xiangbo Gong, Zhuo Xu Least-squares reverse...

2022

A Comparison of the Cenozoic Cover - Basement Tectonics of the Central and Eastern Cordillera of Northern Colombia

Andreas Kammer

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... a stratigraphic contact against the metamorphfc basement on the eastern side of these sediments and the existence of an inverse fault on their western side. Thus...

1991

Petrophysical challenges with mudrocks in the Permian Basin: New concepts and workflows

Shuvajit Bhattacharya, Ray Eastwood, Brian Casey

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Figure 2). This impacts density, photoelectric, and neutron logs. We developed and implemented unsupervised time series clustering, Toeplitz Inverse...

2022

A sliding box automatic relocation method based on geometric-mean reverse-time migration

Tong Bai, Zhendong Zhang, Malcolm C. A. White, Hongrui Qiu, Paul Williamson, Nori Nakata

International Meeting for Applied Geoscience and Energy (IMAGE)

...; Yang et al., 2018) and the PS-imaging condition becomes Figure 1: (a) Acquisition map showing two-phase stations (inverse triangles) and selected 280...

2022

Efficient physics-informed Bayesian inversion of VSP and hydrofrac data

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists Efficient physics-informed Bayesian inversion 4D data. For the VSP examples in this paper we initially used the analytic inverse...

2022

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