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The AAPG/Datapages Combined Publications Database

Showing 33,154 Results. Searched 195,689 documents.

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A Dominant Tectonic Signal in High-Frequency, Peritidal Carbonate Cycles? A Regional Analysis of Liassic Platforms from Western Tethys

Dan Bosence, Emily Procter, Marc Aurell, Atef Bel Kahla, Marcelle Boudagher-Fadel, Francesca Casaglia, Simonetta Cirilli, Mohammed Mehdie, Luis Nieto, Javier Rey, Rudolph Scherreiks, Mohamed Soussi, David Waltham

Journal of Sedimentary Research (SEPM)

... per bundle (Fig. 15). All the plots show random background variation or noise. None of the sections have prominent peaks indicating a 5:1 or 4:1...

2009

Formation Evaluation of Naturally Fractured Reservoirs: Part 4. Wireline Methods

Roberto Aguilera

AAPG Special Volumes

... naturally fractured intervals, a hacked SP log develops in which each pip most likely corresponds to a streaming potential effect resulting from mud...

1992

Scales of lateral petrophysical heterogeneity in dolomite lithofacies as determined from outcrop analogs: Implications for 3-D reservoir modeling

Matthew J. Pranter, Colette B. Hirstius, David A. Budd

AAPG Bulletin

... appears random (the nugget effect, Eisenberg et al., 1994). The balance of the variability is characterized by a short-range correlation structure...

2005

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

... through the virgin formation. If this is not true, the resulting log will always read more time than the survey. The concept of a non-random error...

1961

Constructing Enhanced Type Wells Using Cluster-Weighted Modeling

Nitinkumar L. Chaudhary, W. John Lee

Unconventional Resources Technology Conference (URTEC)

... 1; W22 from Tarrant County with moderate noise in the production data was chosen to show this effect. As inferred from figure 1, even though the root...

2017

Simulation of Gas Adsorption and Capillary Condensation in Shale Nanopores Using Lattice Boltzmann Modeling

Rui Xu, Maša Prodanović, Christopher J. Landry

Unconventional Resources Technology Conference (URTEC)

... costs and the results are perturbed by significant statistical noise. Lattice Boltzmann method (LBM), on the other hand, provides a novel way to link...

2018

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... of subsurface parameters. Estimates of Vint from individual velocity gathers are subject to errors caused by a number of factors such as: 1) random noise, 2...

1985

Researching Seismic Sound Effects on Humpbacks

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... at the start of a survey is effect ive as a mit igation measure. "In othe r wo rds, it w ill go beyond simp ly relatin g react io ns to t he noise...

2010

Remote Sensing of Geomorphology and Facies Patterns on a Modern Carbonate Ramp (Arabian Gulf, Dubai, U.A.E.)

Samuel J. Purkis, Bernhard M. Riegl, Serge Andrefouet

Journal of Sedimentary Research (SEPM)

..., Ecology, evolution and 1/f-noise: Trends in Ecology and Evolution, v. 11, p. 33–37. Halley, J.M., and Kunin, W.E., 1999, Extinction risk and the 1/f-noise...

2005

Scale-Dependent Correlation to Improve Water Saturation and Permeability Estimates in Unconventional Reservoirs

Abdelrahman Kotb, Shannon L. Eichmann, Mita Sengupta

Unconventional Resources Technology Conference (URTEC)

... to estimate permeability. Kirkby et al. (2016) used random resistor networks to explore the relationship between electrical resistivity and permeability...

2019

Papua New Guinea Highlands Seismic The Way ForwardŽ

A. C. Jeffery, M. I. Jacobson, A. R. Cheshire

Papua New Guinea (PNG) Petroleum Convention Proceedings

... buried phones at four metres (Figs. 3 and 4). It is believed that this improvement over the buried phones is caused by the increased random noise...

2000

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... data. The degree of coverage is of course closely related to the signal to noise (S/N) ratio of the stacked data the improvement of which is one...

1985

Toward in Situ Monitoring of Active Submarine Volcanoes: A Progress Report

F.K. Wyatt, J.A. Orcutt, G. Sasagawa, H. Staudigel, P. Zimmer

Circum Pacific Council Publications

...-fall and, thus, the tilt sensors need to be rugged. (2) Random deployment on a geological (hard-rock) surface may involve instrument inclinations...

1996

Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.

Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward

Indonesian Petroleum Association

... along the margins of the graben, marked the end of Pematang Group deposition. This tectonism, together with the effect of a major eustatic lowstand...

1991

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... that is selected from within the shot gather based on high signal to noise ratio. This step removes the source effect, and converts traces to zerophase. New...

2014

Pre-Messinian Tight Reservoir Characterization „Western Nile Delta, Egypt; #11317 (2020)

Trisakti Kurniawan, Hasnor Farhana Hasnan, M Adni B Wahab, Wahyu Prasetyotomo, Christian Brinzer, Alessandro Mannini

Search and Discovery.com

... by carbonates or quartz over growth are widely distributed along with the presence of tight stringers, sand-shale overpressure, and/or the effect...

2020

Predicting Sweet Spots in Shale Plays by DNA Fingerprinting and Machine Learning

Chris Te Stroet, Jonathan Zwaan, Gerard de Jager, Roy Montijn, Frank Schuren

Unconventional Resources Technology Conference (URTEC)

... of the relative abundance of bacterial families or genera within 7 different samples. Figure 6: Schematic representation of the effect of the various...

2017

Predicting Seismic Data Quality from Multispectral Satellite Imagery in Alberta Oil Sands; #41335 (2014)

Andrew V. Barrett, Art Siewert, and Ron Weedmark

Search and Discovery.com

... predictive deconvolution, NMO, and alignment statics. This has proven to be a good predictor of final data quality on a shot station basis. Although a surface...

2014

Study of the Seismic Attenuation Generated by the Mud Layer in Lake Maracaibo, Venezuela

J. Perez, E. Andara, B. Malave

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... are considered: viscous losses, solid friction losses and gassy sediment effect. In order to verify and understand if the low signal/noise ratio in the seismic...

2006

Modeling Reservoir Heterogeneity Within Outer Ramp Carbonate Facies Using an Outcrop Analog, San Andres Formation of the Permian Basin

R. A. Eisenberg, P. M. Harris, C. W. Grant, D. J. Goggin, F. J. Conner

AAPG Bulletin

.... Variograms constructed from conventional plug analyses of permeability for a vertical outcrop transect contain a significant small-scale signal ("noise...

1994

Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)

Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray

Search and Discovery.com

... shows the effect on this noise of applying either a rectangular or elliptical k-filter. The filters are applied at every depth on both source and receiver...

2013

Enhancing Resolution and Improving Imaging: The New Dual-Sensor Seismic Streamer

Natasha Hendrick, Andrew Long, Rune Tenghamn

Indonesian Petroleum Association

...-ghosted pressure result. The new dual-sensor streamer architecture uses densely sampled co-located pressure and velocity sensors housed in a low-noise...

2008

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