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The AAPG/Datapages Combined Publications Database

Showing 28,190 Results. Searched 200,673 documents.

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Chitinozoan, Graptolite, and Scolecodont Reflectance As An Alternative to Vitrinite and Pyrobitumen Reflectance in Ordovician and Silurian Strata, Anticosti Island, Quebec, Canada

Rudolf Bertrand, Yvon Heroux

AAPG Bulletin

... alteration level, they exhibit smaller variation ranges; (3) zooclasts have a reliable mean random reflectivity for a wider maturation range than...

1987

Subsalt Imaging Below the Mahogany Salt Sill

Davis W. Ratcliff and David J. Weber

Houston Geological Society Bulletin

...-migrated (3-D PreSDM) seismic section over the now famous Mahogany discovery. Note the salt shape as well as the subsalt reflectivity and subsalt...

1995

3D Finite Difference Acoustic Modeling to Address Advanced Seismic Imaging Challenges in Bintuni Bay, Irian Jaya Barat: Part II of II

Greg J. Schurter, Yayat Supriatna, Angke Nuraeni, Supriyono

Indonesian Petroleum Association

...) from east to west beneath Bintuni Bay. This variation caused the creation of a second 2 FD model, with the top of the carbonate moved shallower. Six...

2007

High-resolution sequence stratigraphic analysis and depositional environment reinterpretation of the Jurassic–Cretaceous Fortune Bay and Hibernia Formations in the Jeanne d’Arc Basin, east coast Canada

Wen Lin, Ryan M. Zahynacz, and Tim Thompson

AAPG Bulletin

... around the Hibernia field, where seismic reflectivity is enhanced by the contrast of marine shales overlying fluvial sandstones. This TS is commonly...

2024

Chapter 5: Seismic Trace Inversion

Tom Wittick

North Texas Geological Society

... the seismic data are wavelet processed and the wavelet in the data set is zero phase, we can think of the seismic trace as a bandlimited reflectivity series...

1992

Seismic Trace Inversion

Abilene Geological Society

... processed and the wavelet in the data set is zero phase, we can think of the seismic trace as a bandlimited reflectivity series. A seismic trace is made up...

1993

Tectonic Analysis of a Viking Graben Border Fault

Nils Fagerland

AAPG Bulletin

... at different levels to enhance the time windows of interest. A typical synthetic seismogram from well 15/9-1 is shown in Figure 5. Reflectivity series...

1983

Application OF AVO Seismofacies Technique to Detect Undrained Prospects in Handil Shallow and Upper Zones, Mahakam Delta, East Kalimantan

Sung Yuh, Ahmad Anshariy, Savanto Ariawan, Hilfan Khairy, Cepi M. Adam

Indonesian Petroleum Association

... of the second term describes the variation at mid-angle stack data and related to the contrast of Poisson’s ratio (Castagna et al. 1998). The third term...

2015

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

..., ) . If the lateral velocity variation is negligible, we can approximate the u( x, )  u( x, he  0, ) by convolution of reflectivity function...

2014

AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

..., and shows significant amplitude variation. The Amplitude Variation with Offset (AVO) signature of the channel sand is determined to be a positive...

1997

ABSTRACT: Petrographic Variation in the Rosebud-Mckay Coal, Powder River Basin, Montana

Lingbu Kong, Frank R. Karner, Steven A. Benson, Edward N. Steadman

The Society for Organic Petrology (TSOP)

... and hurninite reflectivity within the Rosebud and Rosebud-McKay coal at three adjacent mines suggests variation in depositional and postdepositional...

1992

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... variation with angle of incidence, and amplitudes should be uniform between near and far offsets. Figure 7. Location map - Lembak Field Figure 8. Baturaja...

1986

Stratigraphic Delineation of the Baong Sandstone by High Resolution Acoustic Inversion in the North Sumatra Basin

L. R. Weathers, R. B. Helm

Indonesian Petroleum Association

... of seismic reflectivity traces into seismic acoustic impedance traces using the extracted wavelet 5) Calibration of seismically-derived acoustic impedance...

1984

New insights into the Bedrock and Quaternary Geology of St. George’s Bay from a vertical integration of marine datasets, offshore western Newfoundland

Lynn T. Dafoe, John Shaw, Christopher Jauer, Peter S. Giles, John W. F. Waldron, D. Patrick Potter

CSPG Bulletin

... reflectivity capped by glaciomarine sediments. Outer St. George’s Bay Quaternary deposits are thin in outer St. George’s Bay, and their morphology...

2016

Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

... to variation of acoustic parameters on either side of the interface. 3. For high porosity rocks the reflection amplitude is normally low at Normal...

1993

Kodecos Decade of Success: the Reward for Being a Purposeful System

Robert R. Park

Indonesian Petroleum Association

... in the block with greater confidence. This led to the early awareness of a significant (8%) lateral velocity variation across the Poleng Field area...

2016

Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... of reflectivity in the well log data. Spectral Balancing aims to correct this effect without intensifying the noise overly so that it can concentrate on seismic...

2022

Hurricane Impact Analysis of a Louisiana Shallow Coastal Bay Bottom and Its Shallow Subsurface Geology

Angelina M. Freeman, Harry H. Roberts, Patrick D. Banks

GCAGS Transactions

...), which is at the maximum side-scan range possible due to the small grazing angle in shallow water. For these analyses, the 500 kHz channel data were used...

2007

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