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The AAPG/Datapages Combined Publications Database

Showing 31,944 Results. Searched 195,550 documents.

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ABSTRACT: 3D Pre-Stack Depth Migration of a Land Survey with Considerable Multiple Interference - A Case History; #90051 (2006)

Frederick Kierulf, Adam Fox, Luke F. LaFreniere

Search and Discovery.com

...ABSTRACT: 3D Pre-Stack Depth Migration of a Land Survey with Considerable Multiple Interference - A Case History; #90051 (2006) Frederick Kierulf...

Unknown

II. Migration to Remedy Geometric Distortions

Robert E. Sheriff

AAPG Special Volumes

..._Page 21------------------------- effect assuming constant velocity, which in his case was not a bad assumption). Some migration methods are: swinging...

1981

Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data

Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu

GCAGS Transactions

..., Reverse time migration using vector offset output to improve subsalt imaging—A case study at the Walker Ridge GOM: European Association of Geoscientists...

2015

How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study

Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... is used in the migration. This means the seismic velocity should be lower than well velocity, implying that negative delta is necessary. In this study, we...

2018

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

.... In the case of the Perth Basin model, cement, rubber and a marble-like filler were used, while a velocity scale of 1 : 1 was adopted (resulting in a 1...

1995

Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)

Xiaogui Miao

Search and Discovery.com

...Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015) Xiaogui Miao Datapages/Search and Discovery Article #90211 CSPG...

2015

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... and compared both resulting seismic images. Seismic migration is executed as a part of quality control (QC). We used a synthetic velocity model which...

2021

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... = Vavg – k*(Zsrd/2) where k = 0.4760 in this case. Variations in Vo can be considered to represent that portion of the lateral velocity variation...

2009

Interpreting the Concept of the Sedimentation Unit

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... fluctuations in the velocity of flow. Influence of depth-ratio.--We can now consider the case of a stream of appreciably constant flow and sediment discharge...

1964

Simulation of the Genesis of Current Ripples by Means of a Cellular Automaton

J. J. P. Zijlstra

Special Publications of SEPM

... the various parameters grain diameter grain density fluid viscosity and fluid velocity that appear to control the bed surface morphology the migration...

1999

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... fit for further pre-migration processing such as velocity analysis, surface-related multiple elimination techniques, prestack amplitude versus offset...

2014

The Need for Seismic Dip Migration

W. B. Robinson.

Oklahoma City Geological Society

... is greater than the distance just described. The material above the reflecting horizon is assumed to be of constant velocity (isotropic...

1958

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

... wavelet with a constant moveout velocity of 12,000 feet/s. For a range of input SNR levels (0.02-20), Gaussian noise was added to the modeled data...

2013

Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation

Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg

Indonesian Petroleum Association

... the anisotropic seismic velocity field for Pre-Stack Depth Migration during seismic processing, and for seismic reservoir characterization. Limited well...

2017

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

.... Kirchhoff prestack time migration is an ideal tool in converted wave imaging for areas with gentle lateral velocity variation. In areas where...

2015

Specific Managed Pressure Drilling (MPD) Strategies for Drilling in South Mahakam Field under Severe Losses Conditions

Ardho Fidiansyah, Fikri Irawan

Indonesian Petroleum Association

... to quantify the gas velocity was made through the work of Zukoski (1966) for an empirical bubble migration rate with correlations between a normalized...

2017

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...

Unknown

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...

Unknown

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