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The AAPG/Datapages Combined Publications Database
Showing 70,304 Results. Searched 196,371 documents.
Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)
Francois Audebert and Volker Dirks
Search and Discovery.com
... to the tilt axis, is entirely determined as a function of the polar velocity (velocity along the pole axis) and the well known Thomsen parameters ε and δ...
2015
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
... thrust sheet overlying the slower clastics layers causes a sharp velocity inversion, severely limiting the depth of investigation. A better starting...
2014
Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data
Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen
GCAGS Journal
...Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen...
2013
ABSTRACT: The Influence of Physical and Chemical Parameters on Organic Maturation- Application to the Shei Point Group in the Sverdrup Basin, Arctic Canada
D.N. Skibo, F. Goodarzi, K.R. Stewart, A.F. Embry
The Society for Organic Petrology (TSOP)
... Project cores given by Horai (1981) was combined with the empirical relationship for porosity as a function of depth, age and shale fraction given...
1990
Seismic Refraction Data from Sunda Shelf
Robert E. Houtz , Dennis E. Hayes
AAPG Bulletin
.... After integration and algebraic manipulation, the function transforms to a parabolic velocity-depth function with gradients that decrease with depth...
1984
ABSTRACT: Estimation of Net-to-Gross from P and S Impedance: Integration of Petrophysics and 3D Seismic Inversion; #90007 (2002)
Vernik, Lev, David Fisher, Steve Bahret
Search and Discovery.com
... closely match the upscaled log data and were combined using linear interpolation between the sand and shale trends to create a sand fraction volume...
Unknown
Seismic Refraction Studies in Gulf of California
Richard P. Phillips
AAPG Special Volumes
.... The profiles from the northern Gulf were analyzed to find the closest linear velocity-depth function consistent with the data. The function derived...
1964
A Robust Gradient for Long Wavelength FWI Updates
Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... dynamic weights in the velocity sensitivity kernel derived from impedance and velocity parameterization of the classical objective function. The new kernel...
2016
Optimization of Gas Lift Allocation in Multi-Well System, a Simple Numerical Approach
Ulfia Rahma Fitra, Silvya Dewi Rahmawati, Pudjo Sukarno, Edy Soewono
Indonesian Petroleum Association
...s, pressure gradient equation can be represented as a function of pressure and depth, where for a certain injection flow rate, the liquid production flow rat...
2015
Abstract: Frequency-dependent Elastic Moduli and Attenuation of Sandstone and Carbonate Rocks; #91204 (2023)
Andika Perbawa, Thomas Finkbeiner, Salma Alsinan, Juan Carlos Santamarina
Search and Discovery.com
... is velocity dispersion and related variations in elastic moduli (e.g., Young's modulus). Because frequency ranges in the field are different compared...
2023
Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)
Marcus R. Wilson and Robert J. Ferguson
Search and Discovery.com
... as we add traces. Decimated traces are reconstructed even when no smoother is applied, with larger depth steps resulting in better regularization...
2015
Pre
Search and Discovery.com
N/A
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
... the length of the profile. This graphical display will be referred to as a relative geophone delay time curve. If the velocity function for the X/V...
1980
Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40862 (2012)
Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith
Search and Discovery.com
... to incorporate geology, well, and rock physics in anisotropy estimation for seismic depth imaging. As we all know, that the seismic velocity is an important...
2012
ABSTRACT: Sandstone Permeability Viewed as a Function of Intergranular Macroporosity: Garn Formation, Haltenbanken, Mid-Norwegian Continental Shelf, by S. N. Ehrenberg; #91003 (1990).
Search and Discovery.com
1990
Geophysical Basin Modeling: Velocity Modeling for Seismic Imaging in Complex Geology Settings 1
Search and Discovery.com
N/A
Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods
I. R. Gordon
AAPG Special Volumes
... to using a single velocity function (Figure 3). End_Page 381------------------------ Construction requires a base map and velocity data. The object...
1992
Application of Log-Based Transforms to Characterize Mechanical Properties of Silurian-Aged Carbonate and Evaporate Formations within the Northern Niagaran Pinnacle Reef Trend
Search and Discovery.com
N/A
The Preparation of Seismic Depth Maps in Oil Exploration
A. E. Pallister
CSPG Bulletin
... the surface. It is suggested by this curve that the average velocity to the Blairmore is basically a function of the depth of the Blairmore from the present...
1960
Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)
Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin
Search and Discovery.com
... conversion to depth using 3D Hybrid Velocity 3D Grid...
2011
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)
... includes: using speed of sound (SoS) and Eddy velocity to recover fluid phase and velocity using a point sensor (Unalmis and Lievois, 2016...
2019
Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand
Mirza Naseer Ahmad, Philip Rowell
Indonesian Petroleum Association
... to determine the physical parameters that may distinguish lithology or fluid. These crossplots were also analyzed as a function of depth to check the depth...
2013
Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion
Colin Sayers, Lennert den Boer
Unconventional Resources Technology Conference (URTEC)
.... In such reservoirs, changes in lithology occur over vertical depth intervals too small to be resolved using seismic velocities derived by means of normal moveout...
2019
An Analysis of Factors Controlling Deviations in Hydraulic Equivalence in Some Modern Sands
Richard Lowright, E. G. Williams, Frank Dachille
Journal of Sedimentary Research (SEPM)
... was obtained from the larger sample by using an Otto microsplit. Settling velocity distributions for samples 1-29 were obtained using the equipment...
1972
Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation
Gde Pradnyana
Southeast Asia Petroleum Exploration Society (SEAPEX)
... using the Inverse Fast Fourier Transformation. As we will be analyzing the response of the monopod in time domain, the non-linear drag component, i.e....
1996