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The AAPG/Datapages Combined Publications Database

Showing 18,871 Results. Searched 201,049 documents.

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Carbon Dioxide in Hydrocarbon Pools as a Geochemical Indicator of Pinchout Traps

A. I. Sidorenko

Petroleum Geology: A Digest of Russian Literature

... sealed (strat traps) contain from 0.2 to 4%. See Fig. 2. The frequency of occurrence of the latter increases with increase in CO2...

1979

Abstract: Seismic Mapping of Pahang Quaternery Sediments, Pekan, Pahang

Lee Beng Huat, Umar Hamzah, Ahmad Jantan, Ibrahim Abdullah, Che Aziz Ali

Geological Society of Malaysia (GSM)

... seismic signals are detected by geophone array with natural frequency 14 Hz and 100 Hz and recorded by 24 channels ABEM Terraloc seismograph...

1999

Abstract: Magnetotelluric Technique: A New Geophysical Tool for Geological Problems

T. Harinarayana

Geological Society of Malaysia (GSM)

... electromegnetic signals in the higher frequency range i.e. the Audio frequency band, extending up to a few tens of kHz. Warta Geologi, Vol. 26, No . 5...

2000

Abstract: Tidal and Brackish-Water Signatures within the Fluvio-Estuarine Sheet Sandstone of the Upper Cretaceous Mesaverde Group in Utah, Colorado and Wyoming, USA: Foreland Basin Analysis and Nonmarine-Marine Correlations over 100s km of Downdip Transects (Talk 3)

Shuji Yoshida, Ron Steel

Geological Society of Malaysia (GSM)

... structures and a brackish-waterichnofauna. We propose that these amalgamated sheetsands contain high-frequency sequences with both fluvial...

2002

Abstract: Geoindikator tanah runtuh di kawasan pembangunan: kajian kes di Daerah Hulu Langat (IN MALAY), Geoindicators of landslides in developed areas: a case study in the Hulu Langat District

James Bachat, Joy Jacqueline Pereira, Ibrahim Komoo

Geological Society of Malaysia (GSM)

... and lineament density. Each parameter is divided into several classes where the number and frequency of landslides in each class was determined...

2003

High-Frequency Sequence Stratigraphy and Paleogeography of the Kenilworth Member, Blackhawk Formation, Book Cliffs, Utah, U.S.A.

David R. Taylor and Richard W. W. Lovell

AAPG Special Volumes

...High-Frequency Sequence Stratigraphy and Paleogeography of the Kenilworth Member, Blackhawk Formation, Book Cliffs, Utah, U.S.A. David R. Taylor...

1995

Abstract: Using Acoustic Impedance Data for Tabu Field Subsurface Mapping and Reservoir Characterization (Poster 14)

Fariz Fahmi, Yue Choong Lye, Azlina Ahmad Termizi, Dave Walley, Aniza Yaakob

Geological Society of Malaysia (GSM)

... well ties are important for determining the low frequency acoustic impedance trend, seismic wavelet extraction, and inversion of the seismic trace...

2008

Volume Blending with Directional Seismic Attributes (Geophysics Paper 13)

Arthur E. Barnes, Surender S. Manral

Geological Society of Malaysia (GSM)

... frequency, displayed in color. The directional attributes, lightscape, azimuth, and amplitude gradients, are particularly effective for volume...

2008

Abstract: A Towed EM System Test Survey (Geophysics Poster 20)

Johan Mattsson, Lena Lund, Jostein Lima, Marit Ronæss, Folke Engelmark, Maz Farouki

Geological Society of Malaysia (GSM)

... of the high resistivity reservoir area including distinction of some of the shallow gas accumulations above the reservoir. 1D inversion in the frequency domain...

2011

Abstract: Influence of mineralogical composition and texture on induced polarization (IP) effects in gold-bearing rocks from the Herbert-Brent gold showing, Yellowknife Greenstone Belt, Canada

Mark Richardson

Atlantic Geology

... apparatus to measure IP effects both in the frequency domain (measuring resistivity as a function of frequency), and in the time domain (determining...

2016

Estimating Porosity from Determinsitic Inversion (Paper C6)

M. Sams, T. J. Focht, J. Ting

Geological Society of Malaysia (GSM)

... which means that we have to provide accurate low frequency information. Second, these estimates of elasticity will always be band-limited at the high...

2012

Cross-Borehole Tomography in Development Geology: Part 7. Geophysical Methods

J. H. Justice, M. E. Mathisen, J. R. Bulau, A. A. Vassiliou

AAPG Special Volumes

... (5 to 40 kHz), whereas seismic tomography measures the velocity of sound at seismic frequencies, usually in the frequency range of 20 Hz to as high...

1992

Electrical Methods: Part 7. Geophysical Methods

Arnold S. Orange

AAPG Special Volumes

... porosity, and the resistivity of the fluids present within the rock. The average resistivity can be considered constant over the frequency range...

1992

1.2 Seismic Stratigraphy: 1.2.3 Sequences: Reflection Profiles Across the Aquitaine Basin (Sedimentary Sequences)

R. Curnelle and R. Marco

AAPG Special Volumes

... distance: 100 m (328 ft) Maximum offset distance: 1,250 m (4101 ft) Static corrections: no Deconvolution: predictive Frequency filtering: 12-124...

1983

Results of 1961 Nationwide Geology Examination Offered by United States Civil Service Commission: GEOLOGICAL NOTES

R. E. Van Alstine

AAPG Bulletin

... the requirements for the GS-7 grade, the higher grade covered by the examination. Figure 1 shows the frequency, distribution for the passing group...

1961

The Organic Carbon Distribution in Mesozoic Marine Sediments and the Influence of Orbital Climatic Cycles  (England and the Western North Atlantic)

F. S. P. van Buchem, P. L. Boer, I. N. McCave, J.-P. Herbin

AAPG Special Volumes

..., 4th- and 5th-order cycles) are caused by orbitally induced high-frequency glacio-eustatic and other oceanographic and/or climatic changes...

1995

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