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The AAPG/Datapages Combined Publications Database

Showing 34,455 Results. Searched 200,293 documents.

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Australian Insights into Streamer Technology Innovations

Andrew Long

Petroleum Exploration Society of Australia (PESA)

..., - 20 -10 40 ;/~1\ v a m Depth - - 15m Depth Frequency (Hz) 60 80 100 I ~~ \I / I \ \V \ I 120 ....... 20 40 Particle Velocity...

2009

Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands

A. K. Cooper, R. A. Wood

Circum Pacific Council Publications

...­ cities, the refractors are weak and often wavy, which indicates either lateral or vertical velocity gradients, or geologic structure at great depth. Where...

1986

Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.

Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward

Indonesian Petroleum Association

... does not. An examination of the time-depth curves at AC-4 shows that the slightly faster average velocity to the top Lower Sihapas Formation...

1991

Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...

1992

ABSTRACT: Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia; #90051 (2006)

Harald Granser, Oezsen Refik

Search and Discovery.com

... static problems due to sanddunes at surface with low velocities but also by uncertainties in depth-conversion because of velocity variations...

Unknown

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... arrivals on this shot record allowed the recording delay time, source and receiver depths, water depth, and water velocity to be estimated. TABLE 1. Seismic...

1999

Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)

Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin

Search and Discovery.com

...Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013) Darren Hinks, Tom Cox, Stephanie...

2013

Structural Uncertainty Study: An Example From Sisi Nubi Fields

Rangga A. Brahmantio, Cepi M. Adam, Arnaud Laffaure, Emmanuel Chavanne, Noor Syarifuddin

Indonesian Petroleum Association

... / errors between the predicted (from depth conversion) and the actual depth, regardless of velocity model uncertainty. Therefore, given the predicted...

2008

The Preparation of Seismic Depth Maps in Oil Exploration

A. E. Pallister

CSPG Bulletin

... geologic and seismic velocity control are now available in Western Canada to warrant the preparation of depth maps from seismic reflection results. The need...

1960

EXTENDED ABSTRACT: From Isotropic to Tilted Transverse Isotropic Pre-Stack Depth Migration

Nicolas Chazalnoel

GCAGS Transactions

... yields a velocity field more geological and can provide correct position of steep dip, delineate accurate salt model which result in clearer, less...

2011

Abstract: How to Improve Location Accuracy When Dealing with Artifacts in Microseismic Event Locations; #90187 (2014)

N. Verkhovtseva

Search and Discovery.com

...; a stacking effect when events form almost a perfect line at a high contrast velocity border; and a sloping effect when events form obvious trends...

2014

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... to record. This effect depends on the apparent horizontal velocity of the signal. In fact, reflections even horizontal ones, appear slanted due...

1979

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... that is homogeneous (constant P-wave velocity) with the exception of an isolated boulder at some depth. Also shown are the straight ray paths traveled...

1992

Results of Elastic-Wave Surveys in California and Elsewhere

Frank Rieber

AAPG Bulletin

... errors in a few readings may make a large error in the determination of the break-point; therefore, in the computed depth. Numbers indicate velocity...

1930

Reduction of Gross Rock Volume Uncertainty in a Salt Flank Structure Using Dipmeter and Image Log Data

Carmen Garcia-Carballido, Aadam Styles, Michael Poppelreiter

AAPG Special Volumes

... an impact on velocity modeling and depth conversion. For this reason, hydrocarbon-in-place uncertainty in such fields can be large. Three components...

2010

Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

..., H. Leetaru, R. Will, and M. Coueslan, 2014, The Evolution and Effect of the Velocity Model on Various Aspects of Surfaces Seismic Data Analysis...

2018

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... imaging challenge is the effect of high velocity, laterally variable Late Cretaceous chalk. The transition from this carbonate to underlying clastic...

2016

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...

1999

Seismic Velocity Variations in San Joaquin Valley, California

Walter S. Olson

AAPG Bulletin

... of the horizontal or geographic gradient of velocity. Knowledge of the possible effect has of course been common for a long time. Westby (FOOTNOTE 3...

1941

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

... broader with depth and varying in relief to some maximum value. These changes are both due to the velocity effect shown on Model 8A. The third check...

1972

Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).

David Gray

Search and Discovery.com

... the effect of applying the azimuthal velocity correction before stacking the data. The resulting stack shows a significant improvement in signal...

2015

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... to estimate the timing and location of optimal energy focus and hence the event position. Uncertainty Leaving aside uncertainty in the assumed velocity model...

2014

Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity

John D. Hale

CSPG Bulletin

... various depth levels that are represented by an appreciable contrasting change in the velocity of the elastic waves between two layers of rock...

1956

Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)

Pan Pan and Kris Innanen

Search and Discovery.com

..., and in principle require the use of 1.5D, 2D and/or 3D versions. But in practice errors from dip and offset accrue gradually. To maximize the usefulness...

2015

Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat

Indonesian Petroleum Association

... rather than velocity estimation, meaning systematic velocity errors might already exist. Various mechanisms such as reflection, transmission...

2022

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