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user

Search and Discovery.com

... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...

Unknown

Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)

Yong Hua, Don Lawton

Search and Discovery.com

... was conducted on a 2D line acquired over outcropping carbonates in the Canadian Rocky Mountains. Through integrated velocity model building, global velocity...

2015

A Regional Velocity Cube for Depth Conversion on the Northwest Shelf

Maighréad Ní Dheasúna, Mark Ballesteros, James Leven

Petroleum Exploration Society of Australia (PESA)

...A Regional Velocity Cube for Depth Conversion on the Northwest Shelf Maighréad Ní Dheasúna, Mark Ballesteros, James Leven seismic technology...

2012

Simultaneous inversion of velocity and angle-dependent reflectivity

Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai

International Meeting for Applied Geoscience and Energy (IMAGE)

...Simultaneous inversion of velocity and angle-dependent reflectivity Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore...

2023

Conventional Velocity Model Seems to Be the Best!

Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita

Indonesian Petroleum Association

...Conventional Velocity Model Seems to Be the Best! Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi...

2011

Time-Depth Modeling in High Pore-Pressure Environment, Offshore East Coast of India; #30463 (2016)

Nidhi Jindal, Ajoy Kumar Biswal, Kumar Hemant Singh

Search and Discovery.com

... becomes challenging in a complex geological environment. This study investigates plausible models between depth and interval velocity in a high...

2016

Effects of Pore Geometry Changes on Velocity Anisotropy on Chalks, #50528 (2011)

Mohammad Reza Saberi, Mirko Barone, and Pieter van Heiningen

Search and Discovery.com

...Effects of Pore Geometry Changes on Velocity Anisotropy on Chalks, #50528 (2011) Mohammad Reza Saberi, Mirko Barone, and Pieter van Heiningen PS...

2011

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

John Daly , C. N. Page

AAPG Bulletin

... velocities. Within a time-stratigraphic unit this may vary by as much as 300 per cent. Parts of regional velocity maps which illustrate this fact are shown...

1952

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)

...-arrival times that accounts for topography, and resolves lateral and vertical velocity variations. The corrections for the near-surface are performed...

2008

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

... velocity characteristics of the overburden features are necessary. Without adequately addressing the complexity of the shallow velocity field, the final...

2017

Imaging of the Guando Field Colombia in Time and Depth

M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... migration using a model of similar geological complexity to the Guando field. PreSDM involves a velocity model building approach and the strong...

2003

Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)

Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong

Search and Discovery.com

... of Calgary [email protected] and Gary F. Margrave, P. F. Daley, and Joe Wong Summary Analysis of group velocity measurements taken from a model made...

2015

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

... geophysicists. For clarity, we present the central theoretical result behind FWI as a mathematical theorem stating that a linear update to a migration velocity...

2015

Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea

Sören Naumann, Rune Sakariassen, PGS

GEO ExPro Magazine

... were extended from 7 km to 10 km length, allowing the recording of deeper diving waves (refractions) and thereby enabling FWI to produce velocity...

2019

Numerical Solution to Design Velocity Strings to Unload Wet Gas Wells for Optimum Flow Rate and Recovery

Bernando Purba, Awaldi Fitrah

Indonesian Petroleum Association

...Numerical Solution to Design Velocity Strings to Unload Wet Gas Wells for Optimum Flow Rate and Recovery Bernando Purba, Awaldi Fitrah IPA13-SE-040...

2013

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... by the opposing dips of faults and by the changing vergence of folds (Figure 2.1). Careful velocity analysis and a special processing sequence are needed...

1986

Presentation of a Velocity Mis-Tie

W. B. Robinson

Oklahoma City Geological Society

...Presentation of a Velocity Mis-Tie W. B. Robinson 1961 126 128 Every process we carry on is subject to certain checks and balances which are used...

1961

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... the reflectivity function (Schneider, 1978). Then we derive the wavefield perturbation as a result of the velocity perturbation. This results...

2014

Formation Porosity and Fluid Content from Velocity Logs

E. R. Denton

CSPG Bulletin

...Formation Porosity and Fluid Content from Velocity Logs E. R. Denton 1956 79 93 Vol. 4 (1956) No. 4. (April) A velocity log may be interpreted...

1956

The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

...The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration J. E. Stones 1958 304 304 The purpose of this paper is two-fold...

1958

Seismic Foldout: The Most Advanced Datasets Offshore Barbados and T&T

Jeniffer Masi, Jeroen Hoogeveen, Nick Tanushev, John Walker, Alexander Mihai Popovici, Geoex MCG, Z-Terra

GEO ExPro Magazine

... for faster turnaround time and, at the same time, increase the accuracy of the velocity model by using wide-azimuth information that is typically...

2022

Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract

John L. Toldi, Nathaniel G. Tilander

Indonesian Petroleum Association

...Recent Experiences with Seismic Imaging and Velocity Analysis: Abstract John L. Toldi, Nathaniel G. Tilander 1998 350 350 This paper presents recent...

1998

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