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The AAPG/Datapages Combined Publications Database

Showing 40,936 Results. Searched 195,354 documents.

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Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc

Muhammad Nauvall Juliansyah, Bayu Permana Putra, Agung Donurizki

Indonesian Petroleum Association

... calculated interval velocity value for each stratigraphic interval to be multiplied to isochron maps. The converted isochron maps were then stacked...

2019

Accurate Depth Conversions Reduce Risk

Larry C. Luton, Corine Prieto

GCAGS Transactions

... is not a new concept. The challenge lies in the proper selection of velocity data and model types that will generate accurate depth maps for evaluation...

2000

Velocity Logging and Its Geological and Geophysical Applications

H. R. Breck, S. W. Schoellhorn, R. B. Baum

AAPG Bulletin

... at 3,580 and 4,325 feet are effectively demonstrated by the interval velocity curve on the right. The over-all average velocity is obtained from...

1957

A Comparison of Depth-Conversion Methods in the Gulf of Mexico

Melvan D. Carter, Gary R. Hyatt

GCAGS Transactions

... of this method is quite common in the North Sea and in the Rocky Mountain basins. For the first example using this technique, the interval velocity...

1990

Pre

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An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... to depth using an average velocity map or a series of interval velocity maps. This process is adequate in areas of low dip without lateral...

1999

A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities

Rosidah Hardiani, Sanisah Soed, Lothar Schulte

Indonesian Petroleum Association

... converted and adjusted to the well velocities to address velocity anisotropy. Then the interval and average velocity points were derived for both...

2013

Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps

Peter Japsen

AAPG Bulletin

... Map Series 31, scale 1:400,000, 2 p. and 4 maps. Bulat, J., and S. J. Stoker, 1987, Uplift determination from interval velocity studies, UK southern...

1993

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... time structure maps are vertically scaled to depth using an average velocity map or a series of interval velocity maps. This process is adequate...

2000

ABSTRACT: Stress and fracture characterization in a shale reservoir, North Texas

Yves Simon

Rocky Mountain Association of Geologists

... (cross correlations) and qualitative (multi-layer attribute maps) techniques. The fast interval velocity and its azimuth have a significant numerical cross...

2006

Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison

Tan Boon Hua, Lothar Schulte

Indonesian Petroleum Association

... velocity filtering. For each layer the interval velocities were derived from the DIX converted RMO stacking velocities. The resultant data points were...

2011

The Preparation of Seismic Depth Maps in Oil Exploration

A. E. Pallister

CSPG Bulletin

... geologic and seismic velocity control are now available in Western Canada to warrant the preparation of depth maps from seismic reflection results. The need...

1960

-- no title --

user

Search and Discovery.com

..., geological cross-sections, well depths and interval velocities from sonic logs into the velocity model. The depth processed sections show a more...

Unknown

-- no title --

user

Search and Discovery.com

..., geological cross-sections, well depths and interval velocities from sonic logs into the velocity model. The depth processed sections show a more...

Unknown

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... velocity data. Well data are used to determine interval velocity versus depth curves which reflect the normal compaction trends for various lithologies...

1985

Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity

John D. Hale

CSPG Bulletin

... by the method of subtraction, or by limiting the surveyed velocity interval of a well bore. Refraction type profiles provide for velocity measurements when...

1956

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

... that you deem appropriate. OTHER TYPES OF MAPS Velocity Gradient Maps A velocity gradient map is constructed at an intermediate step between...

1992

New Velocity Model Building Techniques to Reduce Sub-Salt Exploration Risk

Stephan Petmecky, Martin L. Albertin, and Nick L. Burke

Search and Discovery.com

...New Velocity Model Building Techniques to Reduce Sub-Salt Exploration Risk Stephan Petmecky, Martin L. Albertin, and Nick L. Burke New Velocity Model...

Unknown

Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico

John Daly , C. N. Page

AAPG Bulletin

... time stratigraphic unit. By the aforementioned equation, time is equal to depth or distance divided by velocity. Thus, time maps, or time interval maps...

1952

A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... to choose from, but the most popular approaches are: • Constant interval velocity • Well velocity maps • Depth/time functions • Velocity/time functions...

2018

The Use of Synthetic Sonic Logs Derived From Seismic Data in the Interpretation of Stratigraphic Variation in Cretaceous Carbonates of the North Field Area, Qatar: Chapter 14

Helena S. Aves, Daniel M. Tappmeyer

AAPG Special Volumes

... structure maps. Areas of "lower interval velocity" within a zone of interest were identified as well as areas of "best" reservoir development...

1985

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