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The AAPG/Datapages Combined Publications Database

Showing 28,831 Results. Searched 196,763 documents.

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ABSTRACT 4D Seismic Monitoring of CO2: Practical Considerations, #90103 (2010)

David Lumley

Search and Discovery.com

... monitoring (eg., Sleipner). In depleted HC reservoirs, the situation is more complex since oil has widely variable physical properties, and CO2...

2010

Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)

A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky

Search and Discovery.com

... in the model boundaries. They showed that with the fixed frequency k X 2 ≠ 0 , the propagating waves have velocity dispersion, which should...

2013

Abstract: Depth Migration of Monostatic and Bistatic Georadar Data; #90187 (2014)

Robert J. Ferguson, Matthew J. Yedlin, Christian Pichot, Jean-Yves Dauvignac, Nicholas Fortino, and Stephane Gaffet

Search and Discovery.com

... deconvolution procedure restores much of the the amplitude and phase effects of Q attenuation). We use depth-variable velocity analysis and we determine...

2014

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

.... Figure 5. Velocity/overpressure crossplot Whenever a crossplot between velocity or density and a new variable shows a quantifiable trend, we have...

1992

Shale Elastic Property Relationships as a Function of TOC Content Using Synthetic Samples

Y. Altowairqi, R. Rezaee, B. Evans, M. Urosevic

Unconventional Resources Technology Conference (URTEC)

... velocity and the velocities of P- and S-waves are inversely proportional to TOC content. In addition, the increase in the TOC content reduced density...

2016

Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks

Alvin K. Benson

Environmental Geosciences (DEG)

... 188 198 Vol. 3 (1996) No. 4. Important mechanical properties of rocks and soils can be calculated from the shear-wave velocity, VS, the compressional...

1996

Fast Track Reservoir Characterisation of a Subtle Paleocene Deep Marine Turbidite Field Using a Rock Physics and Seismic Modelling Led Workflow

H.J.S. Morris, R. Christensen, D. Gawith, M. Millwood-Hargrave

Indonesian Petroleum Association

... techniques could be used to predict the unknown. The two main scenarios that were modelled were; what happens with variable fluid content; and what happens...

2008

Geology of the Tunu Gas Field

Sujatmiko, Agus Salim, Bambang Seto Irawan

Indonesian Petroleum Association

... correction problems and velocity anomalies, therefore the lateral continuity of seismic markers is not sufficient for confident mapping. Sand percentage...

1984

The Porosity Logs

John H. Doveton

Special Publications of SEPM

... of type (see page 97). The sonic acoustic velocity log The measurement of acoustic velocity by the sonic tool was originally introduced to aid...

1994

Evolution of Depositional Patterns in the Mississippi Sound During the Late Holocene

Brian M. Velardo, Samuel J. Bentley

GCAGS Transactions

..., or both. Figure 2 displays the wave friction velocity (U∗) with respect to water depths, wave height, and wave period (calculated from EQ.3; Wright...

2005

Modeling of Proppant Flowback to Quantify and Predict Its Impact on Shale Gas Production Under Different Drawdown Strategies … A Vaca Muerta Case Study

Agustin G. Garbino, D. Nicolas Espinoza, Mark McClure, Marcelo Pellicer, Iñaki Barrangu, Sebastian Olmos, Raul Varela

Unconventional Resources Technology Conference (URTEC)

... conductivity cells to study the impact of key factors on proppant flowback. Their observations indicated that the critical fluid velocity required...

2024

Chapter Thirteen: 4-D Reservoir Monitoring

Alistair R. Brown

AAPG Special Volumes

... of 100°C decreases its velocity by 50%. This was observed by push-down of a deeper reflector and by increased amplitude in the tar sand section...

2011

Part 1: Introduction

Francis P. Shepard, Neil F. Marshall, Patrick A. McLoughlin, Gary G. Sullivan

AAPG Special Volumes

... Ekman current meters that gave only an integrated current velocity for short periods, followed by long intervals before repetition could be made...

1979

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... have a natural frequency of 10Hz providing a flat response proportional to ground velocity above this frequency and a response falling at 12 dB/octave...

2015

Abstract: Two Issues about the Application of VP/VS: Quality Improvement and Error Analysis; #90211 (2015)

Duojun Zhang and Larry Lines

Search and Discovery.com

... laterally, the error will be variable laterally. We assume that: VS≈VS1≈VS2≈1500 m/s (since velocity of S-wave does not change dramatically due to production...

2015

Potential Issues with Extreme Limited Entry in Horizontal Wells

Robert D. Barree

Unconventional Resources Technology Conference (URTEC)

... rate through each upstream perforation cluster. Successive loss of feed rate at each fluid exit point can lead to a loss of transport velocity inside...

2020

Geological Impact of Sediment Transporting Events on the Washington Continental Shelf

Nancy B. Kachel, J. Dungan Smith

CSPG Special Publications

... is the concentration at that point and u is the flow velocity there. The line beneath a variable indicates that it is a two-dimensional vector quantity...

1986

Trishear: A Review of Kinematics, Mechanics, and Applications

Stuart Hardy, Richard W. Allmendinger

AAPG Special Volumes

... in terms of velocity fields has enabled systematic explorations of the parameters controlling the trishear geometry; rapid, objective application...

2011

High-Density Suspensions Formed Under Waves

Michael P. Lamb, Jeffrey D. Parsons

Journal of Sedimentary Research (SEPM)

... to 81 g/l scaling roughly with the wave orbital velocity. HDS were defined by the presence of a lutocline, an abrupt change in vertical concentration...

2005

Geological and Geophysical Studies in Western Part of Bengal Basin, India

Supriya Sengupta

AAPG Bulletin

..., but only locally, in this area. VELOCITY-LITHOLOGY CORRELATION Deep-hole velocity surveys were conducted in all 10 wells drilled in West Bengal. Normally...

1966

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... parameters, compressibility (inversely related to the square of the compressional wave velocity vP) and bulk density, ρ, are recovered at a resolution...

2014

Seismic Investigation of a Surface Collapse Feature at Weeks Island Salt Dome, Louisiana

Richard D. Miller, Jianghai Xia, Richard S. Harding, James T. Neal, John W. Fairborn, Don W. Steeples

Environmental Geosciences (DEG)

... the only velocity and/or density contrasts detected between ground surface and just beneath the salt dome top. The 28-m reflector identified on both VSP...

1995

Seismic Acquisition and Processing for Sub-thrust Imaging and Prospecting, Suaza Valley, Colombia

G.W.Paukert, G. Billings, I.Dawes, T.D.J. England, G.Rait

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... time migration. Migration velocity analysis was performed by comparing local image quality on a large number of constant velocity migrations. A variable...

2003

Geology of the Davis Strait Bathymetric Sill and Associated Sediments, Offshore Baffin Island Canada

F. K. Wallace

CSPG Special Publications

... a variable thickness of low and medium velocity sediments in the Davis Strait region. Sediment thickness is in large part controlled by the Davis Strait...

1973

The Combined Effects of Wave Motion and Tidal Currents on the Morphology of Intertidal Ripple Marks: The Wash, U.K.

C. L. Amos , M. B. Collins

Journal of Sedimentary Research (SEPM)

..., Sediment movement in relation to current velocity: Jour. Sed. Petrology, v. 20, no. 3, p. 148-160. POSTMA, H., 1967, Sediment transport...

1978

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