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The AAPG/Datapages Combined Publications Database
Showing 8,924 Results. Searched 200,619 documents.
Problems in the Characterization of Heavy and Less Heavy Crude Oils: Section II. Characterization, Maturation, and Degradation
J. R. Paxson
AAPG Special Volumes
... interferences cause enhancement or suppression of the analytical signal because of the presence of concomitant elements in the sample or standard. Normal...
1987
Abstract: Modelling the 3D Architecture of Rocks and Structures of the Athabasca Basin: How Saskatchewan is Tackling the Challenge from Down Under; #90172 (2014)
C. D. Card, M. Fairclough, P. Heath, G. Gouthas, T. Baker
Search and Discovery.com
... gradient and analytic signal. Similar products were generated for the gravity data. These products aid in interpreting the basement structure...
2014
The Poles of the Moon and Their Significance
Paul D. Spudis
Search and Discovery.com
... no enhancement Lunar Prospector Neutron spectrometer detects “excess” hydrogen, but not phase state Enhanced H2 over poles; consistent with ~ 2...
Unknown
Structural and Stratigraphic Factors Influencing Hydrocarbon Accumulations in the Bakken Petroleum System in the Elm Coulee Field, Williston Basin, Montana; #20214 (2013)
H. Eidsnes and S. Sonnenberg
Search and Discovery.com
... of local variance in the signal. Useful for edge detection. It can be used to isolate edges from the input data set. By edge, this means discontinuities...
2013
Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).
Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore
Search and Discovery.com
... was lightly applied to increase the signal to noise ratio. Spectral whitening improved the vertical resolution. Original 12.4km 4300ms 5500ms...
2017
THE RENAISSANCE OF GRAVITY
Search and Discovery.com
N/A
Abstract: Advanced Seismic Processing in 2D and 3D - Application to Sedimentological and Stratigraphic Interpretation
J. P. Cordier
Geological Society of Malaysia (GSM)
... of the signal characteristics: - Stratigraphic deconvol,utim~ - Pseudo logs of acoustic impedance - Preservation of ampl,itudes Compl,ex analytic signal...
1983
Abstract: Direct Detection of Hydrocarbon by Electraflex Method
Abdul Halim Quazi
Geological Society of Malaysia (GSM)
... long~ grounded at both extremities. The receiver is a 160 m dipole~ also grounded at both extremities. The Electraflex signal is stored...
1984
ABSTRACT: Structural Mapping of the Vinton Salt Dome, Louisiana, Using Gravity Gradiometry Data
Chris Ennen
Houston Geological Society Bulletin
... the signal associated with those features to test their expression in the measured gradient data. Structural interpretation shows the main fault has...
2012
"Ultra High Pulse Power Acoustic Logging with Low Frequency Multipole Transmitters and Receivers -- A Discussion of Interpretive Techniques [Abstract]"
Husten, P., Patterson, D., Gill, S., Volk, W.
CSPG Bulletin
... signal in soft formations. The technique uses electromagnetic transmitters to generate a broad band width signal. The formation propagates a particular...
1991
Use of SUE System in Marine Prospecting: ABSTRACT
Jack M. Proffitt
AAPG Bulletin
... are shown. In a development program over the past 2 years, power of the signal source has been increased and significant improvement of the signal-to-noise...
1965
Yesterday, Today, and Tomorrow in Seismic Exploration: ABSTRACT
Emil J. Mateker, Jr.
AAPG Bulletin
... resolving power through an expansion of the geologic information generated from reflection data. In the early stages of this revolution the signal/noise...
1970
Vertical Seismic Profiling--Processing and Analysis Case Study: ABSTRACT
James P. Disiena, Bok S. Byun, James E. Fix
AAPG Bulletin
... attenuated by suitable f-k filtering at some expense of signal bandwidth. Subsequently, upgoing and downgoing waves are separated and enhanced, allowing...
1981
Prediction of Depth and Velocity on VSP Data: ABSTRACT
Dale G. Stone
AAPG Bulletin
... position. This redundancy can be exploited to achieve a high signal-to-noise ratio and good quality time-amplitude information. The conversion...
1983
-- no title --
user
Search and Discovery.com
... response decays with offset r as 1/ r5 and the corresponding step response decays as 1/ r3 . Parameters that must be optimized to maximize the signal...
Unknown
Abstract: High Resolution Radon Transforms based Compressive Sensing Principles, by Y. Ma and Y. Luo, #90188 (2014)
Search and Discovery.com
2014
Abstract: BOOSTING VSP RESOLUTION USING HIGHER ORDER HARMONICS: A CASE STUDY; #90138 (2012)
Imtiaz Saeed Siddiqui, Muhammad Atif Nawaz, Muhammad Waqas, Rashid Tippu, Muzammil Hussain Munawar, Naima Siddiqui
Search and Discovery.com
... of the frequency, harmonics, along with the signal at the intended frequency. This higher frequency harmonics content is usually disregarded...
2012
-- no title --
user
Search and Discovery.com
... response decays with offset r as 1/ r5 and the corresponding step response decays as 1/ r3 . Parameters that must be optimized to maximize the signal...
Unknown
Abstract: Ground Roll Noise Attenuation Using the Analytical Mode Decomposition; #90255 (2017)
Ahmed Zegadi, Khalil Kheir-eddine, Leila Naili Douaouda
Search and Discovery.com
... (AMD) based on the Hilbert transform of product functions and assisted signal. The method works like an adaptive band-pass filter that allows...
2017
Evidence for Milankovitch Periodicities in Cenomanian-Turonian Lithologic and Geochemical Cycles, Western Interior U.S.A.
B. B. Sageman , J. Rich , M. A. Arthur , G. E. Birchfield , W. E. Dean
Journal of Sedimentary Research (SEPM)
...-noise enhancement, or nonlinear amplification within the climate/depositional system. The 26 ky signal is the interference beat between P1 and O1. Why...
1997
Efficacious Use of Simple and Cost Effective Acoustic Flow Analyzer Measurement to Enhance Recovery and Improve Life Cycle of Wells
Omar Alaref, Mahmoud Saada, Mongi Abdelmoula, Marvin Rourke
Africa Energy and Technology Conference, 2016
.... The frequency of the signal would depend on the size of aperture that the fluid is going through, while amplitude depends on various aspects; main ones are 1...
2016
A new high-resolution seismic wavelet definition and vibroseis sweep signal design
Zhenbo Nie, Huazhong Wang, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
...A new high-resolution seismic wavelet definition and vibroseis sweep signal design Zhenbo Nie, Huazhong Wang, Shen Sheng A new high-resolution...
2024
Eochelysipus horni, a new vertebrate trace fossil from the Tournaisian Horton Bluff Formation, Nova Scotia
David J. Mossman, Robert G. Grantham
Atlantic Geology
.... Department of Geography, Mount Allison University, 144 Main Street, Sackville, New Brunswick E4L 1A7, Canada 2. Johnson Geoscience Centre, 175 Signal...
2008
ABSTRACT: The Cambrian Eustatic Signal: Not So Grand?, by Clinton A. Cowan, Noel P. James; #91003 (1990).
Search and Discovery.com
1990
The Use and Misuse of the Nonlinear Vibroseis Method for the Acquisition of High Resolution Seismic Data: ABSTRACT
Kenneth L. Hargrove
AAPG Bulletin
... the recording of the weaker high frequency signal. The ability to control the rate of frequency change during the sweep allows the user to recover...
1983