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The AAPG/Datapages Combined Publications Database

Showing 2,662 Results. Searched 190,740 documents.

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3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

... loss caused by transmission anomalies, such as shallow gas, in the overburden. The approach has the advantage of estimating transmission losses from...

2009

ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010)

Yi Xie, Kefeng Xin, James Sun, Carl Notfors, Barry Hung, and Roger Taylor

Search and Discovery.com

...ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010) Yi Xie, Kefeng Xin, James Sun...

2010

From Arrhenius to CO2 Storage: Part XI: How Earth's IR Photons are Transferred in the Atmosphere in the Presence of CO2

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

..., to top of troposphere at height 11 km. Red line: transmission upwards with absorption only, which is impossible, since the atmosphere would overheat...

2021

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... overburden geology. When passing through the overburden, the propagating seismic wave suffers absorption, scattering and transmission losses...

2008

Marine Seismic Sources: Part XII: Sound in the Sea

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... loss. It is usually expressed in dB, leading to the spherical transmission loss equation: TL= -7 0 log 10 (Illa)= 20 log10 (r) But sound cannot...

2012

Spectral Reflectance of Carbonate Rocks and Minerals: ABSTRACT

Susan J. Gaffey

AAPG Bulletin

... of these absorption bands are diagnostic of the sample's mineralogy and chemical composition. Absorption bands in the 1.5 to 2.5 µ region are due to vibrations...

1983

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... through the same interface of the medium, which is called interface transmission loss. (4) In the surface seismic acquisition, the signals received...

2014

Normal and Reverse Pleochroism in Biotite: ABSTRACT

D. D. Hogarth

AAPG Bulletin

... Chelsea shows less marked reverse pleochroism. With thick sheets transmission maximum Y is at 6200 A and Z at 5800 A. No absorption maxima were noted...

1964

Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia

Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam

Indonesian Petroleum Association

... (Figure 4). The frequency and energy loss due to the strong absorption are restored which consequently enhance the seismic resolution and reflector...

2015

Water in Skeletal Carbonates

Susan J. Gaffey

Journal of Sedimentary Research (SEPM)

... al. (1983) found that progressive heating of Goniolithon caused weakening of an O-H stretching fundamental absorption and found a 4.75 percent loss...

1988

Determination of Carbonate and Organic Matter in Calcareous Sediments and Sedimentary Rocks by Loss on Ignition: Comparison With Other Methods

Walter E. Dean, Jr.

Journal of Sedimentary Research (SEPM)

... cations" by atomic absorption or other methods. A comparison of "soluble salts" and ignition loss carbonate for 61 lak sediment samples is presented...

1974

Qualitative and Quantitative Processing of Side Scan Sonar Data

F.S. Dwan, A.L. Anderson, T.W.C. Hilde

Circum Pacific Council Publications

... pattern, time-varying gain, processing gain, transmission loss, absorption, insonified area, and grazing angle effects. Sea floor classification can...

1996

Carbonate Textures: Carbonate Techniques

AAPG Special Volumes

... of the trace element chemistry of the sediments is essential, X-ray fluorescence, microprobe, atomic absorption, or cathodoluminescence techniques may...

1978

Determination of CO2 in Carbonate Rocks by Controlled Loss on Ignition

O. Karmie Galle , Russell T. Runnels

Journal of Sedimentary Research (SEPM)

...Determination of CO2 in Carbonate Rocks by Controlled Loss on Ignition O. Karmie Galle , Russell T. Runnels 1960 Vol. 30 No. 4. (December...

1960

Accurate Determination of Reduced Sulfur and Major Elements by Fused Glass X-Ray Fluorescence Analysis: RESEARCH METHOD PAPER

David N. Awwiller

Journal of Sedimentary Research (SEPM)

... with subsequent loss of reduced sulfur via volatilization. This is not a major concern for most igneous and metamorphic rocks but it can be especially troublesome...

1994

Installation and Performance of Binio–Sungei Karas Insulated Crude Line

Kosnendar Djadjuri

Indonesian Petroleum Association

..., open cell content, compressive strength, flammability water absorption, water vapor transmission, dimension stability, concentricity and thickness...

1973

Possible Sources of Error in Particulate Matter Analysis Using Silver Filters: NOTES

Henri E. Gaudette, Franz E. Anderson

Journal of Sedimentary Research (SEPM)

...), A systematic weight loss has been observed during particulate matter filtration using silver filters. This loss is related to the formation...

1970

An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend

Russell Hoopes, W. M. Aber, Jr.

Bulletin of South Texas Geological Society

... a productive medium. This absorption expresses itself in three forms. Figure 1. Frequency Absorption Loss of average amplitude Selective loss of high...

1990

Compensating for Seismic Absorption for Orthogonal Shooting Field Data: A Case Study on NW Tunu Area, Indonesia

Doddy Iqbal Biramandita, Vishal Kumar, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam, Didiek Bhudy Prabowo

Indonesian Petroleum Association

...Compensating for Seismic Absorption for Orthogonal Shooting Field Data: A Case Study on NW Tunu Area, Indonesia Doddy Iqbal Biramandita, Vishal Kumar...

2016

Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... is lost due to earth absorption. QPSDM and LSQPSDM are presented in Figures 2b and 2c. Both methods are able to compensate for high frequency loss...

2018

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