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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 9,526 Results. Searched 188,833 documents.

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Potential Field and Gradient Component Transformations and Downward Continuation: New Space Domain Techniques and their Applications

Bingzhu Wang

Search and Discovery.com

...Potential Field and Gradient Component Transformations and Downward Continuation: New Space Domain Techniques and their Applications Bingzhu Wang...

Unknown

Potential Field and Gradient Component Transformations and Downward Continuation: New Space Domain Techniques and their Applications

Bingzhu Wang

Search and Discovery.com

...Potential Field and Gradient Component Transformations and Downward Continuation: New Space Domain Techniques and their Applications Bingzhu Wang...

Unknown

Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT

Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B.

Indonesian Petroleum Association

...Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B. 1996...

1996

Development of the COMMAP System: ABSTRACT

H. A. Slack, G. D. Brunton, H. C. Lee, M. A. Rosenfeld, I. H. Cram, Jr.

AAPG Bulletin

...) determination of regionals and residuals by various ring-average methods, (3) upward and downward continuation of potential field data, (4) first and second...

1963

Abstract: Two Prestack Anisotropic Depth Migration Methods for Tilted TI Media; #90211 (2015)

Xiang Du, John Bancroft, Don Lawton, and Larry Lines

Search and Discovery.com

... limitation of one-way downward continuation algorithms, it faces the expensive calculation...

2015

Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)

John C. Bancroft

Search and Discovery.com

... allowing the wavefield to move in positive or negative time  i  1 , for forward or reverse time propagation or down  j  1 for downward continuation...

2015

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

... continuation use one-way wave equation which allows wavefield to propagate only downward or upward. However one-way wave equation migration (WEM...

2014

Florida Mountains, Southwest New Mexico: Part of Cordilleran Overthrust Belt or Foreland Block Uplift?: ABSTRACT

Glen A. Brown, Russell E. Clemons

AAPG Bulletin

... downward. The south Florida Mountains reverse fault is steeper at depth and con ave downward. The imbricate thrust faults to the northeast are either concave...

1983

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Unknown

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Unknown

Deep Thermal Structure of Mimbres Basin, New Mexico--Implications for Oil and Gas Potential: ABSTRACT

Chandler A. Swanberg

AAPG Bulletin

... of the underlying basement are well within the liquid window of hydrocarbon stability. The downward continuation of shallow temperature gradient data appears...

1982

Tectonic Control of Configuration of Bahama Banks: ABSTRACT

Mahlon Ball

AAPG Bulletin

... generally are areas of positive anomaly. Seismic measurements show that refractors with similar transmission velocities are displaced downward...

1967

Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)

Yueming Ye and Ru-shan Wu

Search and Discovery.com

... on “downward continuation directly”, using the con ventional lcb beamlet migration and beamlet migration after aperture correction. The deep layer also...

2011

The Value of Data Derived from Wellsite Gas Analysis in Petroleum Systems, #90110 (2010)

Timothy A. Dodd, Jennifer C. Villinski

Search and Discovery.com

... Gulf of Suez, the two primary source intervals are the Campanian “Brown Limestone” and Miocene “Lower Rudeis” formations. Downward migration of oil...

2010

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... of noise. Operators such as downward continuation, derivative, and edge detection can be applied to digital geologic maps on shallow, well-documented...

1980

The Application of Digital Computers to Exploration Operations: Abstract

James M. Forgotson Jr.

Tulsa Geological Society

... and accurate analysis of gravity and aeromagnetic data. The calculation of second derivatives and sophisticated methods for upward and downward continuation...

1963

Abstract: A proposed method for determining a magnetic textural index using polynomial regression in a moving window

Angela Carter-McAuslan, Colin G. Farquharson

Atlantic Geology

..., upward and downward continuation, reduction-to-the-pole and analytical signal. The interpreter uses these products to subdivide a survey area...

2017

New Foraminiferal Zonation, Upper Mesozoic, Sacramento Valley, California: ABSTRACT

Keith D. Berry

AAPG Bulletin

.... These designations are a downward continuation of the Upper Cretaceous zones of Goudkoff, who established the A through H Zones in 1945. The rocks...

1965

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... structure. Downward continuation methods are able to handle multi-arrivals, but their inability to image steep dips is a severe limitation. We present...

2009

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