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The AAPG/Datapages Combined Publications Database

Showing 6,158 Results. Searched 187,797 documents.

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Accurate Depth Conversions Reduce Risk

Larry C. Luton, Corine Prieto

GCAGS Transactions

... and drilling of prospective areas. Velocity information is available from a number of different sources. Well velocity data are available from checkshots...


AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

.... In this example, the presence of carbonates is easily inferred from large seismic stacking velocities at shallow depths. The shallow, high-velocity zone...


Application of 3

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ABSTRACT: Improving Reservoir Characterization Using 3D-CRS Stack Method; #90051 (2006)

Michele Buia, Paolo Marchetti, Alfonso Iunio Marini, Renzo Zambonini, Falah Owaina

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... stacking surface instead of single stacking trajectory (velocity). Fold is dramatically boosted, since traces lying in the projected Fresnel zone...


Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... the “velocities” used by the processing center to stack the data. These stacking velocity values are readily available from the processing geophysicist...


Seismic Trace Inversion

Abilene Geological Society

... or velocity of a particular interval of rock. From sonic logs we can: Infer lithology Detect facies changes Detect porosity and changes in porosity...


Chapter 5: Seismic Trace Inversion

Tom Wittick

North Texas Geological Society

... the interval transit time or velocity of a particular interval of rock. From sonic logs we can: Infer lithology Detect facies changes Detect...


Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... for estimating interval velocities. It is sim ilar to stacking velocity inversion, but is considered more accurate because it uses the CMP gathers as input...


Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia

Mohammed Badri, Stephane Gazet, Gregoire de Tonnac

Indonesian Petroleum Association

...) of nearly 4200 m TVD. GR, sonic and resistivity log measurements were recorded over this section. A comparison between the stacking velocity derived from...


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

Alan R. Huffman

AAPG Special Volumes

... of velocity data from stacking-velocity analysis (dashed line on part A) and prestack inversion with the low-frequency component from stacking...



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AVO Seismic Technology - Workshop Summary

Brian Russell


... datasets from Alberta and Indonesia. being used today in geophysical interpretation. Traditional seismic lithology estimation involves taking...


A Seismic Method for Estimating Subsurface Vp/Vs Ratio Based on Converted Waves: A Case Study From Arabian Gulf, #42077 (2017).

Haoran Guo, Yuefeng Sun, Zhifeng Wan

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...A Seismic Method for Estimating Subsurface Vp/Vs Ratio Based on Converted Waves: A Case Study From Arabian Gulf, #42077 (2017). Haoran Guo, Yuefeng...


Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... PreSDM results require the use of a provelocity field, a modelling 'velocity' parameter. Due to numerous factors that affect the data right from...


Abstract: Towards a Mechanistic Understanding of the Linkages between PETM Climate Modulation and Stratigraphy, as Discerned from the Piceance Basin, CO, USA; #90321 (2018)

Eric Barefoot

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... the precise nature of this fluvial response to the PETM by interpreting paleo-depth, paleo-slope, and paleo-velocity from deposits in the Piceance...


Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... by drilling data from nearby wells which indicated overpressure, equivalent to mud weights of 15.5 ppg at 8,500 ft. Although the stacking velocity trends...


ABSTRACT: Fast and Easy Near Surface Correction of an Arabian Peninsula Seismic Line Using the Topographic Datuming Operator; #90051 (2006)

Tariq Alkhalifah, Claudio Bagaini

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... cost and the possibility of estimating, after TDO redatuming, stacking velocities that are not affected by a spurious positive bias as in the case...


Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D

Nader C. Dutta, Sherman Yang, Jianchun Dai

Indonesian Petroleum Association

... this simulated effective stress (for a given lithology unit and average porosity), rock velocity can be estimated. In the RPGMIG* approach, the thermal...


Determination and Delineation of Anomalously Pressured Gas Accumulations in the Siberia Area, Washakie Basin, Wyoming

Ronald C. Surdam, Zun Sheng Jiao, Yuri Ganshin, Nicholas G. K. Boyd III

Wyoming Geological Association

... in estimating uncertainty-resolution parameters of the final velocity field. The velocity field in the study area was calculated from DMO-corrected seismic data...


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