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The AAPG/Datapages Combined Publications Database

Showing 212 Results. Searched 195,452 documents.

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Abstract: Compensation for Shear-wave Anisotropy Effects Above a Heavy Oil Reservoir; #90171 (2013)

Richard Bale, Kostya Poplavskii, and Colin Wright

Search and Discovery.com

.... These traces are correlated to determine the total time delay between S1 and S2 signals. Then a time-variant shift, linearly interpolated between...

2013

Abstract: Compensation for Shear-wave Anisotropy Effects Above a Heavy Oil Reservoir; #90171 (2013)

Richard Bale, Kostya Poplavskii, and Colin Wright

Search and Discovery.com

.... These traces are correlated to determine the total time delay between S1 and S2 signals. Then a time-variant shift, linearly interpolated between...

2013

Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)

Juefu Wang and Mark Ng

Search and Discovery.com

... that time-variant information is naturally incorporated. The problem is huge since the dimension of the model is higher than that of the conventional...

2013

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

... filtering in the Fourier domain with application to time-variant filtering: Geophysics, 63, 244-259. Margrave, G., and Lamoureux, M., 2001, Gabor...

2014

Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)

N. Chaminda Sandanayake and Richard A. Bale

Search and Discovery.com

... a layer-stripping approach. For each overburden layer, a time-variant shift is applied to the S2 shear wave so it matches the S1 time, and thus allows...

2015

A Deep Learning Framework for Multi-Horizon Probabilistic Production Forecasting in Unconventional Reservoirs

Rohan Thavarajah, Hamed Darabi, Nick Ruta, Amir Salehi, Amir Kianinejad

Unconventional Resources Technology Conference (URTEC)

... well, including static features (e.g., geology characteristics), time-variant known-in-advance control variables (e.g., choke size), and historical...

2022

A Maturation Framework for Jurassic Sediments in the Sable Subbasin, Offshore Nova Scotia

Mark A. Williamson, Kevin Desroches

CSPG Bulletin

... location, the assumed source interval entered into the gas generative zone at around 110 Ma. The full sensitivity of this timing to time variant thermal...

1993

Interpreting the Stratigraphy of the Baltimore Canyon Section, Offshore New Jersey With Phil, a Stratigraphic Simulator

Scott A. Bowman, Peter R. Vail

Special Publications of SEPM

... of the interval at each cell The sediment is tion Values of time variant 8e s e t section by the height colored according to 9021 0 cross sented O...

1999

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

... mean scaling mute to 4200 ms3-D DMO, Radon domain Post NMO 75% MuteDMO Velocity AnalysisRadon noise rejectionDMO Velocity Analysis Time Variant...

2014

Bayesian variational auto-encoder for seismic wavelet extraction

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

...-supervised autoencoder for the extraction of time-variant, zero-phased wavelets, and a 1D flow net for time-shift estimation. Introduction Method...

2023

4D joint inversion and close-the-loop for production history matching and forecasting

Kelly Wrobel, J. P. Blangy, Tony Rolland, Evan Mutual, Klaus Bolding Rasmussen, Wendell Pardasie

International Meeting for Applied Geoscience and Energy (IMAGE)

... occurring due to production related changes in the subsurface and • Time-variant amplitude balancing to improve wavelet amplitude stability...

2023

A Time Migration Before Stack

Richard Cooper, Malcolm Hobson

Geological Society of Malaysia (GSM)

... the zerooffset. Normally the velocity field is derived by analysing the stack response associated with a series of trial time variant hyperbolic moveout...

1991

Experience with Seismic Lithology (AVO) in Central Sumatra

Jeff Wright, Isdjulaedi Bakri, Budi Subiyanto

Indonesian Petroleum Association

... array for offsets out to 6288 ft. The array effect is time variant and more predominant at early times. The result of applying the new prestack...

1990

Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison

Tan Boon Hua, Lothar Schulte

Indonesian Petroleum Association

... unchallenged. However in many situations, a velocity model based on a time variant filtering of the stacking velocities may deliver results similar to the PSDM...

2011

Simplicity at Its Best: Estimating Depth Uncertainty at the Wiriagar Deep Paleocene Field, Eastern Indonesia

Made Susantha, Imam S. Harun

Indonesian Petroleum Association

... and time-variant manner. Individual reservoir sands are difficult to map, but bounding surfaces at Near Top Paleocene and Base of Late Cretaceous were...

2018

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... by a number that increases with time. The exact time variant multiplier can be based on the theoretical concept of spherical spreading (related to the square...

1992

Passive Margins: Baltimore Canyon Trough, Mid-Atlantic OCS: Seismic Stratigraphy of Shell/Amoco/Sun Wells

R. N. Erlich, K. P. Maher, G. A. Hummel, D. G. Benson, G. J. Kastritis, H. D. Linder, R. S. Hoar, and D. H. Neeley

AAPG Special Volumes

.... The stacked data were then filtered with a time variant filter that followed the water bottom. Long window automatic gain control (AGC) scaling was used...

1987

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... higherorder move-out corrections or other brute-force methods to implement (e.g. time-variant trim static). It has been noted that the AVO plus post-stack...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... higherorder move-out corrections or other brute-force methods to implement (e.g. time-variant trim static). It has been noted that the AVO plus post-stack...

2013

Abstract: The Design and Application of Converted-wave COVs; #90187 (2014)

Richard Bale, Tobin Marchand, Keith Wilkinson, and Jeff Deere

Search and Discovery.com

... domain could certainly be extended to more advanced processing methods such as time-variant CCP stacking or to prestack time migration. As for PP...

2014

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... for the reflector and is not time variant NMO, so the data will dip above and below the reflection time (Figure 3). However, it is easy to see this; and some...

2014

Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... a rough tie of well 12-27 was completed and the seismic data was balanced with a time-variant scaling operator. To create a good tie between the seismic...

2014

Abstract: Innovative QCs for More Effective 4D Processing; #90187 (2014)

Cyril Saint Andre, Benoit Blanco, Christian Hubans, and Benoit Paternoster

Search and Discovery.com

... and monitor (about 10 µs). This computation is fast and leads to a 3D volume where residual time shifts, often time variant, can be observed as in Figure...

2014

3-D Grid Types in Geomodeling and Simulation … How the Choice of the Model Container Determines Modeling Results, #40477 (2009)

Jim Thom and Christian Höcker

Search and Discovery.com

.... As understanding of processes grew, it has become apparent that ‘static reservoir properties’ are not static but time-variant, being influenced by phenomena...

2009

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