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The AAPG/Datapages Combined Publications Database

Showing 62,993 Results. Searched 195,354 documents.

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Seismic Refraction Studies in Gulf of California

Richard P. Phillips

AAPG Special Volumes

... with an average velocity of 5.5 km/sec, and a 4.3 km third layer with an average velocity of 6.7 km/sec. The upper mantle lies at an average depth of 8.9...

1964

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... in blue in Figure 7. These properties are a function of the local depth, z (in meters). The initial compressional wave velocity, vP0(z), and bulk...

2014

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

.... Figure 3. Prestack depth imaging work flow used to migrate the study line. The initial interval velocity/depth model is derived using tomographic...

2000

Abstract: Prospect Lucky: Understanding Contour Anomalies and Velocity Gradients in Offshore Texas

Thomas Peter Bulling, Albert J. Krejci

GCAGS Transactions

... a velocity gradient. Applying this gradient to the time-structure map produced a depth map that revealed a low relief anticline. A key seismic line...

1992

Utilizing Seismic in Exploring for Subtle Traps

Kevin Werth, Patrick Bygott, Edward Teyland

PTTC

... As wastruefor objective depth, structural dip is another reservoir property that critically affects survey design. Cell size, as weHas total survey size...

2003

Determining Bedding Slip Planes With Microseismic Processing

Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov

Unconventional Resources Technology Conference (URTEC)

... calibrated with high-quality perforation shot data, were relocated using a homogenous velocity model. Figure 5 compares event depth results. Eighty percent...

2017

Graphic Method for Some Geologic Calculations: GEOLOGICAL NOTES

Mason L. Hill

AAPG Bulletin

.... 1) can be used for the solution of geologic right-triangle problems. It is here applied to the solution of dip, depth, distance, and thickness...

1942

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

... the effect of enabling compensation for spherical divergence and leads to more reliable amplitudes in depth imaging. a velocity step across the fault...

2007

TAU Migration and Velocity Analysis

Search and Discovery.com

N/A

Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information

Zun S. Jiao, Ronald C. Surdam

Montana Geological Society

...") below the pressure boundary surface using one-, two-, and three-dimensional velocity modeling and visualizations of well log and seismic...

1997

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)

... computed the shot and receiver statics. First, shots and receivers were moved down from topography to the intermediate datum using the velocity field...

2008

Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)

Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang

Geological Society of Malaysia (GSM)

.... In 2002, a study was carried out in the area using Kirchhoff prestack depth migration, which included horizon-based model building up to the basement...

2008

Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...

2009

Critical Analysis of Stack Seismic Systems

L. E. Nugent, Jr.

AAPG Bulletin

... shifts. Using the same velocity relationship but with no dip involved, the 5,000-foot offset reflection arrives .035 second early which also causes...

1967

A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water

Selim Simon Shaker

GCAGS Transactions

... for de-multiple, DMO (dip move-out) and pre-stack migration. Converting the time-velocity pair to depth-velocity pair probably is the first objective...

2015

Reducing exploration risk through probabilistic characterisation of a basin-floor fan, offshore WA

Sagar Ronghe, Anne Locke

Petroleum Exploration Society of Australia (PESA)

... for P-impedance vs Vp/Vs and were characterised using Probability density functions (PDFs) for each lithology and fluid mixture at depth increments...

2018

Abstract: Seismic Guided Pore Pressure Prediction In Deepwater Block Of Mahanadi Basin; #90315 (2017)

Surya Kumar Singh, Kumar Vivek, Pinaki Basu, B.K. Mangaraj, Hari Lal

Search and Discovery.com

.... The onset of overpressure is interpreted within Eocene Formation at depth 5452 m (MD). The calibrated velocity and pore pressure at Well-A were...

2017

Correlation of seismic velocity and density of metasandstone from Kati Formation, Seri Iskandar, Perak, Malaysia

Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh

Geological Society of Malaysia (GSM)

... to measure the density and seismic velocity. P-wave and S-wave velocity is measured using Sonic S-X viewer while density is measured from ratio of core...

2018

Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES

L. F. Ivanhoe

AAPG Bulletin

... decisions are to be based on them. Velocity errors: Velocity errors are inherent in all seismic sections, since the mathematical functions used to convert...

1956

Improved 3D Seismic Imaging through Depth Migration and Tomography: An Indonesia Case Study

Jianli Song, Cristina Reta-Tang, Xuening Ma, Jim Wilhite, Laurie Geiger

Petroleum Exploration Society of Australia (PESA)

... velocity updating iterations were performed for the project, each using a new Kirchhoff pre-stack depth migration as input. In orde r to derive res idua l...

2011

Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

.... The variables isolated for study were: (a) stream velocity and bed shear stress, (b) the ratio of stream depth to basin depth (depth-ratio), and (c) sediment...

1965

Adventures in Pre-Stack Depth Migration; #110121 (2010)

James Allen

Search and Discovery.com

...Adventures in Pre-Stack Depth Migration; #110121 (2010) James Allen AV Adventures in Pre-Stack Depth Migration* James Allen1 Search and Discovery...

2010

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