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The AAPG/Datapages Combined Publications Database
Showing 28,873 Results. Searched 196,956 documents.
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
... variable space and time lag imaging methods, have been used for depthfocusing analysis (DFA) for migration velocity analysis (MacKay and Abma, 1992...
Unknown
ABSTRACT EGS Injection and Seismicity Modeling with Rate/State Friction, #90128 (2011)
Mark McClure, Roland Horne
Search and Discovery.com
... to sliding velocity and a “state” variable that is a function of past sliding history. We compared calculations using rate/state friction to results...
2011
Seismic Migration Interpolation using Time-Shift Imaging Condition
Mark Ng
Search and Discovery.com
... variable space and time lag imaging methods, have been used for depthfocusing analysis (DFA) for migration velocity analysis (MacKay and Abma, 1992...
Unknown
AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)
Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman
Search and Discovery.com
...- and S-wave velocity (Vp, Vs) and density (ρ) of both media) at a gas hydrate related BSR interface. The parameter MPD’s are related to gas hydrate and free...
2015
A stable TTI acoustic wave equation
Linbin Zhang, Edose Ohen
International Meeting for Applied Geoscience and Energy (IMAGE)
... synthetic velocity models. Introduction Anisotropic velocity models have been widely used in seismic data processing. To apply RTM in VTI or TTI media people...
2022
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... on the inverse data matrix. We use 2D variable velocity models and their corresponding migrated synthetic seismograms to represent three snapshots...
2015
Deltaic Depositional Processes in a Glacier-Fed Lake: A Model for the Fluvial/Lacustrine Interface
Jim Bogen
Special Publications of SEPM
... increased with decreasing particle fall velocity. Application of the model to Lake Tunsbergdalsvatn involved investigations of the lake flow field...
1987
Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers
Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman
Unconventional Resources Technology Conference (URTEC)
... the statistical distribution of possible total fluid production allocations that fit both temperature and velocity measurements. While temperature-based methods...
2019
Finite-difference modeling of marine vibrator sources
Khalid Almuteri, Jeffrey Shragge, Paul Sava
International Meeting for Applied Geoscience and Energy (IMAGE)
... the black mesh represents a variable velocity region. NUMERICAL IMPLEMENTATION (6) ∂T where Tk = ∂ ξ k , and i, j = 1, 2, 3 are spatial indices...
2022
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... when 2 < xc < , where vn is an arbitrary dummy variable in the form of reference velocity, the beamformed field can then be expressed in the form...
2012
North Knox City Field, Knox County, Texas: Case Histories
J. C. Harwell, W. R. Rector
AAPG Special Volumes
... Canyon on the periphery of the feature. Present subsurface control indicates that no Caddo structure exists. The reflection-time "high" was a velocity...
1972
Delta Formation: DISCUSSION
C. H. Crickmay
AAPG Bulletin
... velocity, and of variable velocity over the efflux section as all streams are in Nature. None of them can conceivably be "free jets" as the article...
1955
Lithologically Controlled Pore Pressure Prediction and Geomechanical Modeling Using Probabilistic Multivariate Clustering Analysis and an Expert System
Alan A. Curtis, Eric Eslinger, Randy Nickerson, Siva Nookala, Francis Boyle
Unconventional Resources Technology Conference (URTEC)
... for Lithology Determination Multi-well Classification and Prediction Whilst the subsequent velocity modelling, pressure predictions, and geomechanical modelling...
2019
Discrimination of Depositional Environments Using Settling Tube Data
Asahiko Taira , Peter A. Scholle
Journal of Sedimentary Research (SEPM)
...-velocity distributions of more than 500 modern and near-modem river, dune, beach, tidal-flat, and turbidite sediment samples were analyzed using...
1979
Passive Margins: Shelf-to-Basin Correlations off Eastern Canada: Developing a Seismic Stratigraphic Framework in the Northern Newfoundland Basin
Karen J. Meador, James A. Austin, Jr., and Donald F. Dean
AAPG Special Volumes
... Newfoundland basin off eastern Canada (Figure 1) by using three seismic stratigraphic techniques: 1. Calibration of lithology and velocity logs from...
1987
Foredeep: Three Seismic Profiles Through The Po Plain
M. Pieri
AAPG Special Volumes
... Deconvolution: DBS-MIN. PHASE INV. FILTER (32-200 ms operator - 2 windows) Frequency Filtering: VARIABLE within 10-50 Hz Automatic Statics: surface...
1987
Loss of Capacity, Not Competence, As the Fundamental Process Governing Deposition from Turbidity Currents
Richard N. Hiscott
Journal of Sedimentary Research (SEPM)
.... (April), A common procedure in paleohydraulic analysis is to use some measure of the size of particles in a deposit to estimate flow velocity...
1994
Sediment Thickness and Depth to Basement in Western North Atlantic Ocean Basin
Brian E. Tucholke , Robert E. Houtz , William J. Ludwig
AAPG Bulletin
.... Velocity regression equations and velocity estimates determined statistically from 17 provinces in the basin are used to convert reflection time...
1982
Washed-Out Ripples: Their Equilibrium Dimensions, Migration Rate, and Relation to Suspended-Sediment Concentration in Very Fine Sand
Jaco H. Baas , Herman De Koning
Journal of Sedimentary Research (SEPM)
... are stable between 10°C-equivalent depth-averaged flow velocities of 0.75 m/s and 0.91 m/s. With increasing velocity in this range the 10°C-equivalent average...
1995
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
.... 759-769. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882-894. Ewing...
1991
Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 9: Lisburne Porosity — Thickness Determination and Reservoir Management from 3-D Seismic Data
S. F. Stanulonis, H. V. Tran
AAPG Special Volumes
..., and limited to the south and west by a variable oil-water contact. A porosity cross section through the area (Figure 14-9-1) shows the porosity is highly...
2011
EEI Inversion Technique to Determine Fluid Types and Sand Geometry in Mature Field Study Case: G Sand Reservoir in the Northern Mutiara
Benyamin, Iranta Bona, Irma Hermawaty, Sonny Winardhi, Teguh Nugraha
Indonesian Petroleum Association
... of geophysical analysis is required to identify and examine the sand geometry and hydrocarbon content in this complex environment. The study used multi-variable...
2007
High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas
Susan E. Nissen, W. Lynn Watney, Jianghai Xia
Environmental Geosciences (DEG)
... shales. Gas in fractures can reduce the velocity of the dolomite interval to that of the shales (or lower). Depending on the magnitude of the velocity...
2004
Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado
George C. Robertson, Dirk W. McDermott, Rex L. Tang
Rocky Mountain Association of Geologists
... intervals for prestack depth migration (Fig. 5). The final (pre-drilling) time-velocity model (Fig. 6) employed a variable velocity interval of 12,000...
1995
Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin
Erin Shirley
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and variable seismic velocity distribution in the shallow layers. The Bauer Field is covered by the Modiolus 3D seismic survey that was originally...
2018