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The AAPG/Datapages Combined Publications Database

Showing 148 Results. Searched 195,387 documents.

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V. Contributions of GeoSeismic Modeling

Norman S. Neidell

AAPG Special Volumes

... is a raypath display from the A2 salt which caps the reef. Notice the severe focusing near the flanks of the reef. We will soon see the effect...

1979

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

..., βijk is the attenuation factor at the ijkth gridded cell and lijk is the length of the raypath going through the ijkth gridded cell. Hence, equation...

2009

SOUTH ELK BASIN FIELD—A CASE HISTORY

Eric A. Bikis, Tom D. Anderson

Montana Geological Society

... drape fold, respectively. Figures 9, 10, 11, 12 show each depth model with its corresponding raypath diagram and synthetic time section...

1986

Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... into three events, a primary, a ghost, and an asymmetric raypath event reflected between the water surface and main reflectors. The existence of two...

2014

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

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... degrees Time processing CDP 1 CDP 50 CDP 100 raypath for trace 1 angle of incidence = angle of reflection 3 trace gather CMPs = CDP 50 reflector...

2014

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

...-receiver raypath. Considering our model as a homogeneous layer, the source-receiver raypath is a straight line connecting them; knowing the coordinates...

2015

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

emamedov

Search and Discovery.com

... or updip side of the structure will travel at a higher velocity than rays from the western or cross-dip side of the structure. The least-time raypath...

Unknown

An Integrated Structural and Palaeogeographic Investigation of Eocene Erosional Events and Related Hydrocarbon Potential in the Gippsland Basin

E. M. Johnstone, C. C. Jenkins, M. A. Moore

Petroleum Exploration Society of Australia (PESA)

... the latest Exxon proprietary curved raypath seismic imaging techniques. This 3D dataset provided the foundation for the study as it was successful...

2001

ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... shear waves propagate with a different raypath than that of the compressional wave, thereby providing an alternative illumination of the subsurface...

2007

II. Information Content and Resolution Potential of Seismic Data.

Norman S. Neidell

AAPG Special Volumes

... to be presented on the next figure. If we consider a colocated source and receiver, then according to familiar ray theory we would draw a raypath down...

1979

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

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

Search and Discovery.com

... marching method: Geophysics, 64, 516-523. Trifu, C.-I. and Shumila, V., 2010, Geometrical and inhomogeneous raypath effects on the characterization...

2015

Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)

Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood

Search and Discovery.com

...-wavenumber-dependent de-noising techniques were then utilized to further suppress the remnant multiples. To lessen the impact of the raypath distortions...

2015

Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

... conversion possibilities. Three raypaths are possible (Figure 4): first, the raypath C corresponds to conversion by reflection; second, the raypath P...

1990

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... arrivals (primaries), and where anisotropy is present. Where large lateral and vertical velocity gradients and significant raypath distortion...

2001

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of these problems are severe raypath bending, strong lateral velocity variations and steep dips of reflecting horizons. Severe raypath bending across...

1994

ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

.... Although raypath asymmetry (Thomsen, 1999) and lateral heterogeneity is causing significant variation in the PSv reflectivity, structurally...

2007

Igneous Intrusions in the North-West Canning Basin and Their Impact on Oil Exploration

S. A. Reeckmann, A. J. Mebberson

Petroleum Exploration Society of Australia (PESA)

... to increased attenuation of the seismic signal and raypath distortions through the intrusive body. The thickness of individual intrusions is difficult...

1984

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)

... where each trace in a CDP gather is moved out according to the unique raypath associated with each shot receiver pair. The resultant stack...

1997

Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... is approximated by Hessian filtering. This new method compensates for absorption effects by honoring raypath and reduces migration artifacts through...

2018

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