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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 148 Results. Searched 195,387 documents.

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Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... processed a normal vertical raypath VSP provides improved time versus depth correlation of seismic events. Careful analysis of VSP data in conjunction...

1984

Chapter 6: Seismic Modeling

Tom Wittick

North Texas Geological Society

... Models Ray trace modeling is a technique which traces the raypath the sound travels going from the shot to the receiver. Wherever there are changes...

1992

Results of a Vibroseis Sourced 3D Seismic Survey, Phetchabun Basin, Thailand

David Remus, Rex Prosser

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Parameter Design In designing a 3D survey we had to consider the vertical resolution required, spatial sampling requirements, lateral resolution...

1992

Seismic Modeling

Abilene Geological Society

... is a technique which traces the raypath the sound travels going from the shot to the receiver. Wherever there are changes in velocity in the subsurface...

1993

Abstract: Seismic Resolvability of Individual Sand-Filled Channels in the Lower Pennsylvanian Jackfork Formation, Arkansas: Model Applicability for the Gulf Coast

Gerald J. Kuecher , Arnold H. Bouma

GCAGS Transactions

... in the deep case. Concave-upwards raypath focusing should increase the amplitude of the base channel reflection. Horizontal seismic resolution is affected...

1991

ABSTRACT: , by ; #91021 (2010)

Search and Discovery.com

2010

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... picked. Normal ray that propagates to the surface along a raypath connected reflector-surface characterized by, • • Its normal ray one-way traveltime...

2009

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... the raypath bends as each interface is crossed. The magnitude of the interval velocity difference between layers controls the amount of raybending observed...

2000

Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field

W.E. Johnson

Rocky Mountain Association of Geologists

... a, R(6) is the reflection coefficient at a normal angle of incidence (the vertical raypath in Fig. I), A(@) is the amplitude at the normal angle...

1988

Active-seismic monitoring of pore pressure changes in an analog reservoir

Tanner Shadoan, Jonathan Ajo-Franklin, Jeremy R. Patterson, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the long injection on day two. A representative delay-time curve of a CASSM source-receiver pair whose raypath travels through the upper reservoir...

2023

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... least squares migration with a Double Square Root (DSR) operator to express reflectivity as a function of subsurface position and ray parameter...

2015

Diving wave tomography: Velocity modelling using first arrival traveltime

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

Geological Society of Malaysia (GSM)

... structure. This may lead to incorrect static correction and inaccurate raypath prediction, and by extension inaccurate traveltime calculation. Small...

2022

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... study progressed on defining the parameter which led to this improvement in record quality. Different transducers of different frequencies were tested...

1995

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... processing. Deeper than 3 km it was initially assumed G=0 with H equating simply to the spatially varying K parameter, in accordance with the (Thomsen, 1986...

Unknown

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... processing. Deeper than 3 km it was initially assumed G=0 with H equating simply to the spatially varying K parameter, in accordance with the (Thomsen, 1986...

Unknown

The Use of Time-Lapse Seismic Attributes for Characterizing Hydraulic Fractures in a Tight Siltstone Reservoir

N. Riazi, C.R. Clarkson

Unconventional Resources Technology Conference (URTEC)

...) where is the acoustic impedance at the ith interface. In the above model, the assumptions include no multiples and a vertical raypath. The seismic...

2017

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... "A" (ground surface, water surface, etc .). At any given point along the expanding wavefront, we can i agine a raypath that is perpendicular...

2000

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