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The AAPG/Datapages Combined Publications Database

Showing 5,279 Results. Searched 197,434 documents.

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A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

..., a confusing plethora of different techniques is available in the industry today, for both the model building and migration phases of a project. Here...

2011

Hydrodynamic influences on sedimentology and geomorphology of nearshore parts of carbonate ramps: Holocene, NE Yucatán Shelf, Mexico

Thomas C. Neal, Christian M. Appendini, Eugene C. Rankey

Journal of Sedimentary Research (SEPM)

... with the same geomorphology, but different forcings, were run: a waves-only model (no tides or currents), a tide-only model (no waves or currents...

2021

Physical Processes in the Ocean

R. H. Fleming, Roger Revelle

Special Publications of SEPM

... between moving water layers of different velocity are due to the turbulent exchange of particles between the layers. This ex- / Io (: C,- e 'r / o...

1955

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... are assumed to be linear, and consequently, low-frequency information is extrapolated to high frequencies where aliasing is present. This is the approach...

2013

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

..., a complex geological region is broken up into small regions of nearly constant velocity, and the wavefield is propagated through each region separately...

2014

Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

... the instantaneous spectrum. The signal in Figure 1 is the sum of two chirp signals with different frequencies and amplitudes. After EMD, two chirp...

2014

Lithologic Prediction from Seismic Attributes in the Balcon Field, Colombia

J. E. Calderon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... (velocity and acoustic impedance) to changes in rock porosity and lithology. A rock physics analysis was pursued in an effort to understand the relationship...

2004

Modeling of scattering losses using energy transport

Manuel Alejandro Jaimes Caballero, Roel Snieder

International Meeting for Applied Geoscience and Energy (IMAGE)

... a decay in the propagating waves, with the decay time defined by Z Q 1 (s) te f f = ds, (1) path v(s) where v(s) is the medium velocity. This decay must...

2022

Clastic Tidalites„A Partial Retrospective View

George D. Klein

Special Publications of SEPM

... velocity of 50 cmls dunes with an average threshold velocity of 45 cml of 50 crn/s, dunes with an average threshold velocity of 45 em/ s, and sand waves...

1998

Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 1

R. H. Fleming, Roger Revelle

AAPG Special Volumes

... of the frictional stresses between moving water layers of different velocity are due to the turbulent exchange of particles between the layers. This exchange...

1939

Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... plot and therefore improve the resolution of velocity analysis over conventional common midpoint gathers. Introduction Migration is one of the most...

2014

Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators

Ginger A. Barth, David W. Scholl, and Jonathan R. Childs

AAPG Special Volumes

...Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators Ginger A. Barth, David W. Scholl...

2009

Depositional Environment of the St. Peter Sandstone Deduced by Textural Analysis

E. J. Amaral, W. A. Pryor

Journal of Sedimentary Research (SEPM)

...., v. 6. No. 1, 228 p. DAPPLES, E. C., 1955, General lithofacies relationships of St. Peter Sandstone and Simpson Group: Amer. Assoc. Petroleum...

1977

Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... sequestration, it is useful to measure time-lapse variations of seismic attenuation. Seismic attenuation directly connects to different petrophysical parameters...

2022

A Novel Approach to Determine Gas Velocity Profile in Entire Knudsen Number Regime for Nanoporous Shale with Various Pore Geometries

Yu Pang, Dian Fan, Shengnan Chen

Unconventional Resources Technology Conference (URTEC)

..., but they cannot predict the gas velocity profile in the nanochannel or nanopore because the they consist of different flow mechanisms. Figure 1. Gas...

2020

Brittleness modeling selects optimum stimulation zone in shaly source rocks in the Whangai Formation, New Zealand

Claudio Rabe, Raul Correa Rechden Filho, Jesus Pastor Salazar, Fernando Della Pasqua, Giovanni Chaves Stael, and Luiz Antonio Pierantoni Gamboa

AAPG Bulletin

... evaluated four different definitions of the brittleness index for the Rakauroa Member, the only member drilled in the three study wells. A Python-based...

2021

Geometry of Shelf Sandstone Bodies in the Shannon Sandstone of Southeastern Montana

George W. Shurr

Special Publications of SEPM

... waves wind driven cur related to submarine 1976 There is no pre currents Folger importance of these and indeed different sources may affect...

1984

Cyclicity, Tectonics and Coal: Some Aspects of Fluvial Sedimentology in the Brazeau-Paskapoo Formations, Coal Valley Area, Alberta, Canada

J. Ross McLean, Tomasz Jerzykiewicz

Dallas Geological Society

... in the Western Interior of North America; Geol. Assoc. Canada Spec. Paper 13, p. 427-440. Stott, D. F., 1963, The Cretaceous Alberta Group and equivalent...

1977

Cyclicity, Tectonics and Coal: Some Aspects of Fluvial Sedimentology in the Brazeau-Paskapoo Formations, Coal Valley Area, Alberta, Canada

J. Ross McLean, Tomasz Jerzykiewicz

CSPG Special Publications

... in the Western Interior of North America; Geol. Assoc. Canada Spec. Paper 13, p. 427-440. Stott, D. F., 1963, The Cretaceous Alberta Group and equivalent...

1977

Cyclostratigraphy and Chronology of the Albian Stage (Piobbico Core, Italy)

Alessandro Grippo, Alfred G. Fischer, Linda A. Hinnov, Timothy D. Herbert, Isabella Premoli Silva

Special Publications of SEPM

...). The group in the 30–60 cm bracket corresponds to the stratigraphic bundle, identified by de Boer (1982), Herbert and Fischer (1986), and Park and Herbert...

2004

Lithological and paleocommunity variation on a Mississippian (Tournaisian) carbonate ramp, Montana, USA

Garett M. Brown

PALAIOS

... in bioturbation intensity observed in the lower Madison Group. Different burrowing structures are preserved in hard, muddy, or sandy substrates (Taylor et al. 2003...

2021

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... of the fraccing process. The velocity is assumed to be constant between the source and receiver locations. In a similar application, unstable geological...

Unknown

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... of the fraccing process. The velocity is assumed to be constant between the source and receiver locations. In a similar application, unstable geological...

Unknown

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... Method SRME is derived based on Huygens principle that every point to which wave reaches becomes a new source of spherical wave, and the sum of new waves...

2014

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... attenuation and dispersion, especially at higher frequencies, on passing through the earth. This means that the character of the wavelet changes...

1980

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