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The AAPG/Datapages Combined Publications Database

Showing 148 Results. Searched 195,504 documents.

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

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

...Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014) J. Patrick Butler and Randy Kolesar AAPG Search and Discovery Article #90187...

2014

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... the relationship between velocity with time and space, the output from tomography plays a crucial role to align data between time and depth domain...

2022

Abstract: Wavepath Imaging for Passive Data; #91204 (2023)

Yicheng Zhou, Sherif Hanafy

Search and Discovery.com

... the apparent velocity values, hence finding the direction of raypath shooting. The seismic energy is then smeared only along that raypath and covers...

2023

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

Search and Discovery.com

... with high dips and vertical and lateral velocity contrasts, giving a considerable lateral movement in the images in depth when we correct for seismic...

Unknown

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... consolidated and less porous and, as such, velocity tends to increase with depth . At the sa e ti e, the earth tends to filter out higher frequencies', and so...

2000

A Time Migration Before Stack

Richard Cooper, Malcolm Hobson

Geological Society of Malaysia (GSM)

... a more accurate velocity field for migration and depth conversion. The robust nature of the method allows its application to routine data processing...

1991

Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)

Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong

Search and Discovery.com

... of Calgary. Theory The linear expression for P phase velocity in geophysics discipline comes from the work of Backus (1965) as:  v 2  n   cijkl ni...

2015

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... dependence and raypath effects due to depth-dependent interval velocities. DMO corrects for the dip dependence of moveout and inherently applies a migration...

1987

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... generally increases and the frequency decreases. Assuming at depth a velocity of 5 m/sec (about 16,400 ft/sec), and a frequency of 20 hertz...

1981

A Comprehensive Approach to Depth Imaging in Thrust Belt Environments

Ron Schmid, Brian Link, Patrick Butler

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of 3D prestack depth migration. This paper pursues this suggestion by applying a novel velocity analysis approach, and prestack depth migration...

1997

The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem

Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin

Indonesian Petroleum Association

... gather and gamma synthetic as the controlling factors shows less error, after that the final velocity model is used for depth migration process to compare...

2018

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... throughout the Tertiary carbonates, hindering accurate determination of a suitable velocity field. Furthermore, stacking velocities are affected by raypath...

2000

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

... totaling 1800 km2 were recently processed through 3D SRME (Surface Related Multiple Elimination) and PreSDM to address the raypath distortions...

Unknown

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

... totaling 1800 km2 were recently processed through 3D SRME (Surface Related Multiple Elimination) and PreSDM to address the raypath distortions...

Unknown

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Drape Fold, Central Wyoming

M. S. Yancey and D. B. McClellan

AAPG Special Volumes

... model. End_Page 3.2.2_9-------------------- Figure 8. Raypath plot of drape fold model. End_Page 3.2.2_10------------------- Figure 9. Depth...

1983

Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth

Isabel Cristina Florez, Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... reflectors. Constructing a velocity model for thrust-belt depth migration is a highly interpretive process that requires tight integration...

2006

Marine Statics

Chiem Boon Hong

Geological Society of Malaysia (GSM)

... and R6 at different elevations. In the absence of th~ weathering layers, i.e. by just measuring the travel time of the raypath below the datum plane, we...

1987

Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt

S. Lingrey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... by the topography, local scattering of the wavefield near air-filled caverns and deep fissures, an irregularly developed low velocity zone...

2000

Abstracts: Locating Microseismicity in Three-Dimensionally Heterogeneous Reservoirs; #90173 (2015)

Adam M. Baig, Ted Urbancic, Margaret Seibel, Vladimir Shumila

Search and Discovery.com

..., Kingston, ON, Canada Summary This study describes the methodology for locating microseismic events in three dimensional media. Most velocity models...

2015

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... they handle lateral velocity variations. The depth algorithm comprehends any lateral velocity variation whereas the time algorithm assumes local...

2000

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

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

... depth imaging approach. Key to the success of this was the ability to seamlessly integrate the data from the turn areas into the velocity model...

2014

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

... by definition shall include both sources of error. In Figure 9 the average depth curve has been corrected for depths less than 4,000 feet assuming a velocity...

1960

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