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The AAPG/Datapages Combined Publications Database

Showing 153,895 Results. Searched 187,994 documents.

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Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... irregular topography. (2) The subsurface modeling and prestack imaging are both performed from topography, not from a flat datum, based on rms and interval...

2008

Extended Abstract: The Use of Seismic Stacking Velocities to Locate Prospective Reservoir Section

PESA Staff

Petroleum Exploration Society of Australia (PESA)

..., 000 m/s has greatly increased the confi dence in mapping the shallower sectio n within PPL 201. Interval velocities calculated from the V-rms va lues...

1999

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... time migration is built based on migrated images combined with powerful interactive tools to pick rms velocities that are structurally consistent...

2015

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... be used in time migration with rms velocity because wavefield extrapolation has to use interval velocity. For time migrartion applications of WEM, one has...

Unknown

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... be used in time migration with rms velocity because wavefield extrapolation has to use interval velocity. For time migrartion applications of WEM, one has...

Unknown

Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)

Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand

Search and Discovery.com

... of the vertical fracture orientation. For interpretation, this data needs to be converted from RMS to interval velocities using a generalized Dix...

2014

Uncertainty Analysis for Top Tuban Carbonate Prediction using Velocity Modeling Design in "Aquila" Field, East Java Basin

Ayu Indri Firdani, Azhar Kholiq Affandi, Erik Wahyu Irawan, Kamal, M. Wahdanadi Haidar, M. Freddy Yulisasongko

Indonesian Petroleum Association

... horizon. The interval velocity was from the RMS velocity calibrated by DIX and was performed by a regional calibration, which takes care of shifts...

2015

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

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

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

..., synthetic data from a nearby well has been included in this figure. The RMS velocities Vs are converted to Interval velocities and compared with shear...

2015

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

..., when can we assume that stacking velocities are close to RMS? Dix’s formula gives a reasonable estimation of interval velocity when and only when...

2015

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... for transversely isotropic media: Geophysics, 60, 1550-1566. Al-Chalabi, M. 1974, An analysis of stacking, RMS, average and interval velocities over...

Unknown

Long-Offset Approximations to NMO Function for a Layered Subsurface

E. Blias

Search and Discovery.com

... for transversely isotropic media: Geophysics, 60, 1550-1566. Al-Chalabi, M. 1974, An analysis of stacking, RMS, average and interval velocities over...

Unknown

Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

... The upscaled rms-velocities were used as a co-variant in co-located co-simulation of interval average velocities derived from the time-depth...

2018

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... interval velocities from RMS velocities: (1) Converting the time structural model using the Dix equation derived velocities and correcting the travel...

2009

Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field

Khaled Al Dulaijan, Gary Margrave

Unconventional Resources Technology Conference (URTEC)

...tes. Both direction and intensity maps correlate well in both models. We think that the use of Dix-type interval coefficients has an advantage over t...

2016

Velocity Variation Along the Tonga Platform from Multichannel Reflection and Sonobuoy Refraction Data

Robert M. O'Connor

Circum Pacific Council Publications

... seconds of the rms stacking velocities were picked from coherency plots, which used unmuted, and uncorrected gathers as input for a plot of reflector...

1985

Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).

Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan

Search and Discovery.com

... result (image with interval velocity overlain) derived from the velocities with Structural Constraint. Figure 7. Prestack Depth Migration using interval...

2015

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