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The AAPG/Datapages Combined Publications Database
Showing 43,226 Results. Searched 195,387 documents.
Deep Structure of Northern Mississippi Embayment
A. Ginzburg , W. D. Mooney , A. W. Walter , W. J. Lutter , J. H. Healy
AAPG Bulletin
... that the low-velocity layer is restricted to the axial zone and that the anomalous 7.3-km/sec basal crustal layer reaches maximum thickness...
1983
Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani
Indonesian Petroleum Association
... long. Given the short cable length, ray-based modeling of the diving waves through the starting model indicated an expected maximum depth of penetration...
2021
Formation Anisotropy and Heterogeneity Evaluation with a High-Resolution LWD Ultrasonic Slowness Imaging Tool
Naoki Sakiyama, Hiroshi Hori, Hiroaki Yamamoto, Hiroshi Nakajima, Matthew Blyth, Syed Muhammad Fahim Ud Din, Mark Kittridge
Unconventional Resources Technology Conference (URTEC)
... the formation, and refracted waves and surface modes are measured with an array of receivers composed of eight sensors. At ultrasonic frequency, borehole...
2020
Seismic Monitoring of Hydraulic Fracturing Activity in the Wolfcamp Shale of Midland Basin, Texas
Abhash Kumar, Hongru Hu, Alex Bear, Richard Hammack, William Harbert
Unconventional Resources Technology Conference (URTEC)
... compared to traditional microseismic events. We also noticed finite decay in seismic amplitude across the surface-monitoring array suggesting a non...
2019
Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps
Peter Japsen
AAPG Bulletin
... function for a formation. The velocity anomaly can be related to the concept of apparent uplift (Bulat and Stoker, 1987). Apparent uplift is defined...
1993
En Echelon Folding in the Northern Cordillera of Canada: GEOLOGICAL NOTE
D. K. Norris
CSPG Bulletin
... in the structural evolution of the Cordilleran orogen became apparent. GEOLOGICAL SETTING Throughout its length the eastern flank of the Cordilleran orogen...
1972
Fluorescent Tracer Particle Determination of the Size-Velocity Relation for Foreshore Sediment Transport, Sandy Hook, New Jersey: NOTES
Warren E. Yasso
Journal of Sedimentary Research (SEPM)
... maximum transport velocity. Particles in the next largest size class began arriving 25.8±1.7 minutes after introduction: equivalent to 2.0 cm/sec...
1965
Question of the Wind River Thrust, Wyoming, Resolved by COCORP Deep Reflection Data and by Gravity Data
Scott B. Smithson, Jon Brewer, S. Kaufman, Jack Oliver, Charles Hurich
Wyoming Geological Association
... of the 48-channel instruments used in earlier operations, so maximum offset in the recording array was about 4.2 miles (6.8 kilometers) in 1976 and 6.2 miles...
1978
Impulse Acoustical Logging in a Cased Drill Hole
L. A. Sergeyev, A. A. Boyaroyts, V. V. Churlin, O. N. Sokolov
Petroleum Geology: A Digest of Russian Literature
.... Beginning at 700 m and below, the intensity of the signal in the receiving apparatus becomes constant. Calculation of the velocity of each wave at a given...
1963
Applications and Limitations of Dip Shooting
E. E. Rosaire and Joseph L. Adler
AAPG Bulletin
... is the analysis of refraction data from a profile of appropriate length and recorder density. Thirdly, the appropriate velocity may also be determined...
1934
An Integrated Approach to Development Optimization Using Monitor Wells and Hydraulic Fracture Diagnostics in the Permian Basin
Ripudaman Manchanda, Yueming Liang, Holger Meier, Karthik Srinivasan, Sergio Leonardi, Mary Johns, Shelby Lyons, Owen Hehmeyer, Justin Eckes, Jonathan Zybala, Alberto Ortega, Kshitij Mohan, Dalton Vice, Satish Kumar Dayalan, Saurabh Rasal, Jake Kamps, Kendal Decker, Peeyush Bhargava, Prasad Sumant, Kaustubh Kulkarni, Isha Sahni, Matthew Bourke, Rayssa Sanchez
Unconventional Resources Technology Conference (URTEC)
... lateral offset, while fractures from well #4 barely reached VM. Therefore, the maximum half-length of hydraulic fractures from well #2 and well #4 can...
2023
The use of FWI in coal exploration
Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
...) of surface receivers. Despite using a short receiver array (array length maximum depth), we were able to improve the initial models and reconstruct...
2018
Orientation Of Crinoids By Current Action
W. Schwarzacher
Journal of Sedimentary Research (SEPM)
.... The mean current velocity at this moment was calculated from the discharge and water depth. The position of the test body is given by the angle...
1963
Dynamics of Bedforms in the Lower Mississippi River
David J. Harbor
Journal of Sedimentary Research (SEPM)
... bedforms given the resolution of the hydraulic data. The best relationships are found at Baleshed between size, mean depth, and velocity. For example...
1998
Storm- and Fair-Weather Combined Flow on the Central Texas Continental Shelf
John W. Snedden , Dag Nummedal, Anthony F. Amos
Journal of Sedimentary Research (SEPM)
... the maximum-fetch length of the Gulf of Mexico. For the larger storms to be discussed later, this direction was obtained by analysis of synoptic weather maps...
1988
Surface passive seismic monitoring by the local use of semblance
M. Javad Khoshnavaz, Andrej Bona, Kit Chambers, Hamidreza Siahkoohi, Alireza Khoshnavaz
Petroleum Exploration Society of Australia (PESA)
... to be shifted to make a series of time-delayed-sections corresponding to each potential origin time. Given the velocity field at each image point...
2019
Resistivity Modeling as a Formation Evaluation Tool - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... or set of field logs) into the formation parameter space (an earth-resistivity profile and associated borehole parameters) through given tool...
2011
Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra
Peter Walker, Masrizal Maas, Michael D. Burnaman
Indonesian Petroleum Association
... of an overlying low velocity anomaly plus an apparent seismic structural feature. Both these localized shallow anomalous features were originally...
1986
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... in continuous mode, coherency inversion and stacking velocity inversion produce a semblance display along a given horizon. By interpreting the maximum...
2000
Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations
Abdul Ghani Rafek
Geological Society of Malaysia (GSM)
... of penetration, in addition to the length of the seismic profile, on the p-wave velocity of each subsurface layer and the layer’s thickness. Similarly...
1989
High-frequency FWI on Clair OBN dataset Challenges and successes
Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Yang He, TGS Summary Nowadays, high frequency full waveform inversion is routinely applied for building high resolution velocity model from which high...
2023
Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana
Daijiro Kobashi, Felix Jose, Gregory Stone
GCAGS Transactions
... backscatter sensor (OBS) data representing turbidity, shear velocity and shear stress due to waves are given in Figure 2. In general, waves...
2006
Experimental Modeling of the Spatial Distribution of Grain Size Developed in a Fill-and-Spill Mini-Basin Setting
Rufus L. Brunt, William D. McAffrey, Benjamin C. Kneller
Journal of Sedimentary Research (SEPM)
... left of the diagram. X denotes the Basin 1 and Basin 2 positions of the velocity and siphon sampling array. End_Page 439------------------------ Flow...
2004
Microseismicity Analysis for HFTS Pad and Correlation With Completion Parameters
Debotyam Maity
Unconventional Resources Technology Conference (URTEC)
.... In case 90% cannot be obtained, the catalog is not analyzed. The maximum likelihood (Fisher, 1950) estimate is given...
2018
Integrated Geomechanical Interpretation of Hydraulic Stimulation Operations Using Distributed Vibration Sensing
Michael Williams, Joel Le Calvez, Colin Wilson, Adrian Rodriguez-Herrera
Unconventional Resources Technology Conference (URTEC)
... array, we consider the response to a microseismic event and find that a longer gauge-length provides more signal to interpret the event at shallower...
2019