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The AAPG/Datapages Combined Publications Database

Showing 4,162 Results. Searched 200,357 documents.

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3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Frontal Thrust Structure, South-Central Colorado

R. G. Ouellette and D. A. Boucher

AAPG Special Volumes

... conversion was consistent with the apparent time structure except in the region directly associated with the main fault zones, where the effects...

1983

ABSTRACT The Time-Scale Problem in Model-Data Comparison Studies, #90104 (2010)

Herrmann Achim D.; Haupt Bernd

Search and Discovery.com

... temporal resolution and filter out short‐term variations. Therefore, data obtained from these deposits generally do not reflect the most  extreme climate...

2010

Regional Gravity and Magnetic Interpretation over East Coast-Pegasus Basin, New Zealand; #30437 (2015)

P.S. van Heiningen, L. De Luca, I. Guerra, S. Panepinto, K. Hayo, S. Klug, M. Uzcategui Salazar

Search and Discovery.com

... and Moho effects, the Free Air gravity data was first complete Bouguer corrected at 2.2g/cc, then regionally and residually corrected. The Total...

2015

Computer Mapping of Pinnacle Reefs, Evaporites, and Carbonates: Northern Trend, Michigan Basin: Chapter 5

David E. Hamilton, Skye K. Henize

AAPG Special Volumes

... top and did not match our concept of a pinnacle reef. The biharmonic filter could be executed several times with the same data and grid. The effects...

1992

ABSTRACT: Advances in Microfluorescence and FAMMO Analyses for Source Rock Evaluation

N. Sherwood, J.Kurusingal, N.Zhong

The Society for Organic Petrology (TSOP)

..., Beijing 102200, Cbina Introduction One of the major challenges in source rock evaluation is to separate the effects of organic matter (OM) type...

1999

Effects of Storage Before Analyzing Suspended Sediment Samples from Lakes, Rivers, and Estuaries: RESEARCH METHOD PAPER

J. McManus, R. W. Duck, A. H. A. Alrasoul, J. D. Thomas

Journal of Sedimentary Research (SEPM)

...Effects of Storage Before Analyzing Suspended Sediment Samples from Lakes, Rivers, and Estuaries: RESEARCH METHOD PAPER J. McManus, R. W. Duck, A. H...

1985

Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT

Ray L. Sengbush

AAPG Bulletin

... upon (1) a linear filter model and (2) a geometric model, with statistical communication theory unifying these two viewpoints. Convolution of the source...

1973

ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)

Khalid Alrufaii, Kangan Fang

Search and Discovery.com

... to derive time and depth variant filter operators which are then used to recover the attenuated frequency components of the surface seismic data...

Unknown

Tectonic geomorphological investigations of antiforms using differential geometry: Permam anticline, northern Iraq

Annegret Burtscher, Marcel Frehner, Bernhard Grasemann

AAPG Bulletin

... analysis investigates in detail the effects of two adaptable parameters: the cutoff wavelength of the low-pass filter that is applied to the DEM...

2012

Use of Airplane Photographs in Geologic Mapping

Walter A. English

AAPG Bulletin

... work. These were developed during the war, and their use with very little modification has been continued. A filter was originally used to End_Page...

1930

Seismic resolution enhancement with self-supervised learning

Shijun Cheng, Tariq Alkhalifah, Haoran Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the filtering effects of geological layers, noise, and limitations of seismic acquisition, the recorded seismic data are often bandwidth-limited, resulting...

2024

Salinities of Interstitial Waters from Selected Sediments in the Gulf of Mexico: NOTES

Paul J. Cernock, William R. Bryant

Journal of Sedimentary Research (SEPM)

... filter press. The method employed was similar to that described by Siever (1962). The Fann filter press consists of a cylindrical cell sample assembly...

1969

Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)

Sergey Fomel

Search and Discovery.com

.... A fundamental characteristic of seismic data is non-stationarity. In 1-D (time dimension), seismic data are nonstationary because of wave-attenuation effects...

2014

Evidence For and Against Sea-Level Changes From the Stable Isotopic Record of the Cenozoic

Douglas F. Williams

Special Publications of SEPM

..., and the 18O/16O ratio of sea water. The effects of temperature on the global 818O record of the Cenozoic can be reduced, but not eliminated, by utilizing benthic...

1988

An Advanced Interpretation Technique Integrates Well Log and Core Data for Thin-Bed Reservoir Evaluation

Ashok Sinha , Tony Lawrence , Bill Simmons

GCAGS Transactions

... with conventional thin-bed well logging and data analyses. Improved data acquisition methods record filter-free data at higher sample rates. Advanced log...

1989

FIRST APPLICATION OF SIMULTANEOUS START-UP AND CLEAN-UP OPERATION USING MICRO COILED TUBING AND SAND FILTER FOR WELL REVITALIZATION IN HIGH SAND RISK ENVIRONMENTS: A CASE STUDY FROM MAHAKAM FIELD

F.Y. Kristanti, M.I. Rahmadhani, E. Suprapto, and R. Panjaitan

Indonesian Petroleum Association

...FIRST APPLICATION OF SIMULTANEOUS START-UP AND CLEAN-UP OPERATION USING MICRO COILED TUBING AND SAND FILTER FOR WELL REVITALIZATION IN HIGH SAND RISK...

2025

Sediment Control of Faunal Distribution Patterns in Late Cretaceous Marginal Marine Deposits of South Dakota: ABSTRACT

Donald C. Rhoads, Karl M. Waage

AAPG Bulletin

... content and suspended easily by weak bottom currents. High interface turbidity and instability may explain the low diversity of filter feeders from...

1969

Geological and Structural Interpretation of Ado-Ekiti Southwest and its Adjoining Areas Using Aeromagnetic Data; #30407 (2015)

Ayodeji Jayeoba and Dare Odumade

Search and Discovery.com

... depending on specific filter design. Low-pass Butterworth filter was applied to the total magnetic intensity data to remove regional effects. An ideal...

2015

Algorithm Comparison with Cross Sections: Appendix A

David E. Hamilton, Thomas A. Jones

AAPG Special Volumes

... and biharmonic filter. The dataset consists of points evenly spaced along north-south lines. Points along a line have the same value but the value changes...

1992

Enhancing conventional VSP data to broadband and its quantitative improvement on lookahead inversion

Hussain Almarzooq

International Meeting for Applied Geoscience and Energy (IMAGE)

... is developed. This involves recovering the low frequencies by correcting for the source and receiver effects and improving the high frequencies by the use...

2022

Amplitude Mapping of Reservoirs in North Africa

Search and Discovery.com

... available coupled with the newer VSP technology has given excellent results in addressing this problem. The basic “match filter” or “transfer function...

2013

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... is 25m. A raw shot gather with minimum phase low-pass filter (0-0-15-20Hz) from the section is shown in Figure1. First arrivals are partly obscured...

2014

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

... or unmixed, with either one filter setting or another, and with a single gain control characteristic. The choices had to be made in advance of shooting...

1956

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