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The AAPG/Datapages Combined Publications Database
Showing 34,782 Results. Searched 200,636 documents.
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
... their best trained and most experienced personnel and their finest equipment, so that every phase of field crew operations is now being conducted...
1991
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
... to the large uncertainty in polarization. Due to shale’s low velocity nature and the configuration of horizontal stimulation and monitoring wells, the head...
2015
The Use of Physical Modeling to Resolve Offshore Seismic Problems
B. J. Evans, M. Urosevic
Indonesian Petroleum Association
... recorded over the Perth Basin model were used to understand the seismic wavefield resulting from the presence of near surface, high velocity layering...
1995
V. Contributions of GeoSeismic Modeling
Norman S. Neidell
AAPG Special Volumes
... of a subsurface in terms of its geometry and acoustic parameters including the usual velocity, density and an attenuation factor. In two-dimensional...
1979
Gravity and Magnetics in South East Asia - Modern Applications
Brian S. Anderson, John E. Bain, Harald van Hoeken, Mark E. Weber
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Integrated interpretations have aided in the delineation of complex imaging problems including the verification and enhancement of seismic velocity...
1996
Ripple Marks in Quartzites from Kurnool Supergroup, Cuddapah Basin, India
D. Madhava Rao, K. V. G. K. Gokhale
Journal of Sedimentary Research (SEPM)
.... The general nature of the ripples indicates a possible near-shore low-energy environment. Changes in depth and the current velocity are inferred...
1973
Distributed Acoustic Sensing Vertical Seismic Profiling (DAS VSP) in an Exploration Well in the Gulf of Mexico—Case Study
A. Martinez, S. Ali, G. Zemlicka, S. Ruiz, C. Moyer, G. Richard, E. Bergersen, T. Campbell, B. Adkins, and J. Bassil
GCAGS Transactions
... was performed by scaling the data by 1/p = c (p = phase slowness and c = phase velocity). An additional scaling by 1/p was applied following the strain...
2025
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... to augment the high frequency response of the data, and to extract velocity information in the phase domain. The results of this work did not produce...
2001
Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study
T. Salinas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the exploration geophysical problem integrating every phase of the acquisition, processing and interpretation of seismic data. Figure 5 shows...
2006
3D installation of fiber cables for acquiring 3C DAS array data
Yingping Li, David Li, Lianjie Huang, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... a simple velocity model with a homogeneous P-wave velocity of 2 km/s. We construct differential travel time (DTT, dti) profiles (Fig 1c) by subtracting...
2023
On singularity points in elastic orthorhombic media
Alexey Stovas, Yu Roganov, V. Roganov
International Meeting for Applied Geoscience and Energy (IMAGE)
... k is defined by setting the diagonal second-order minors of G − v I , where v is the phase velocity in singularity point and I is the 3x3 unit matrix...
2022
Chapter 8: Petrophysical Characteristics of the Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)
R.D. Jarrard, M.A. Chan, C.B. Forster, S.H. Snelgrove
Utah Geological Survey
... permeabilities. The resulting transforms were used to estimate the relative permeability values to be used as parameters in single-phase reservoir models. 8-1...
2001
Design Support for Texaco CO2 Flooding Projects
R. L. Gardenas, A. J. Nute
Indonesian Petroleum Association
... than the critical velocity. Design support was again furnished to help plan and conduct the tests to define the continuity and the current residual...
1982
Experimental Study of Proppant Flowback with Standard Core Samples
Xinyao Zhang, Huiying Tang, Kaixiang Di, Cheng Du, Shiyi Xie, Liehui Zhang
Unconventional Resources Technology Conference (URTEC)
... the critical flowback velocity. However, finding reservoir rocks with such large size is difficult. In this work, we succeed in conducting the proppant...
2025
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... variations are large. We show that the new method is a true-amplitude extension of the phase-shift wave-equation migration method into media...
2014
Evidence for Low Free Gas Saturations in Water-Bearing Bright Spot Sands
H. J. Ritch, J. T. Smith
Pacific Section of AAPG
... that such “false” Bright Spots* might be produced by the presence of small amounts of free gas which can cause large changes in seismic velocity in clean...
1976
Extremely weak supervision inversion of multiphysical properties
Shihang Feng, Peng Jin, Xitong Zhang, Yinpeng Chen, David Alumbaugh, Michael Commer, Youzuo Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... SUMMARY Multi-physical inversion plays a critical role in geophysics. It has been widely used to infer various physical properties (such as velocity...
2022
Meeting the imaging challenges at Atlantis with high-frequency elastic FWI
Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo
International Meeting for Applied Geoscience and Energy (IMAGE)
... the past 20 years. A step-change improvement in the Atlantis velocity model was achieved through AFWI using long-offset and low-frequency OBN data...
2023
Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?
Brian C. Tost, Ann E. Cook
Unconventional Resources Technology Conference (URTEC)
... velocity. A significant borehole washout also occurred in the sand reservoir. A recently published modeling study concluded that a relatively low saturation...
2013
Mechanism of Passive Margins and Inland Seas Formation: Tectonic Processes: Model Investigations of Margin Environmental and Tectonic Processes
E. V. Artyushkov, S. V. Sobolev
AAPG Special Volumes
... frozen density and Vp velocity-depth relations in the mafic lower continental crust. The phase transition proceeds under dry conditions. 1 = the Ito...
1982
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... to the phase velocity and quality factor. We used the Kolsky-Futterman model (Kolsky, 1956; Futterman, 1962) given by: 1 c(Z ) Z 1 1 sgn(Z ) ln r i Z c...
Unknown
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... to the phase velocity and quality factor. We used the Kolsky-Futterman model (Kolsky, 1956; Futterman, 1962) given by: 1 c(Z ) Z 1 1 sgn(Z ) ln r i Z c...
Unknown
Operating Experience of an Amine Unit; 25% above Capacity. A Case Study in Singa Cpp Lematang of South Sumatera - Indonesia
Heru Wijaya Pamungkas, Iwan Sutrisno, Alip Rahmanu Budiwanto, Juanda, Sando Hendrawanto, M. Hatta Amin
Indonesian Petroleum Association
... the loading point. Increasing superficial gas velocity impedes the flow of liquid. The down flowing liquid phases holdback by the up flowing gas phase...
2017
Using Thomsen's Model to Analyze Composition and Internal Structure of Shales; #90017 (2003)
Jose Agnelo Soares, Margareth da Silva Brasil Guimaraes
Search and Discovery.com
... minerals, whereas soft ones are filled of organic matter and its fluids. For a VTI medium there are three mutually independent phase velocities (VP, VSH...
2003
Establishing the Elusive Paleo-Play - A Case Study of the Kahurangi Fault Zone, Southern Taranaki, New Zealand
B. A. Sissons, R. D. Walsh
Petroleum Exploration Society of Australia (PESA)
... allows precise time mapping of the area. A marked lateral velocity gradient, created by a northwestwards prograding wedge of Miocene-Recent sediments...
1985