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The AAPG/Datapages Combined Publications Database
Showing 255 Results. Searched 195,697 documents.
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... propagation matrix, D represents the eigenvector matrix, and E represents the phase shift matrix E diag e i q h , e iq h , eiq h , ei q h...
2023
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
.... D1x, C. H., 1955. Seismic velocities from surface measurements. Geophysics, 20, 68-86. GAZDAG, J., 1978. Wave equation migration with the phase shift...
1989
Niobrara Horizontal Well Planning and Execution: The Other Half of the Equation
Jack Wiener, Mohamed Elfedawy
Unconventional Resources Technology Conference (URTEC)
... and uncompensated phase shift and attenuation measurements. The azimuthal geosignal, or geosteering signal, is a qualitative unitless variable derived from...
2013
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... and Phase-shift migration handle velocity fields that vary in time (or depth) only. However, only Depth Migration comprehends lateral velocity variation...
1987
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... migration in transversely isotropic media by nonstationary phase shift, GEOTRIAD ’98, Joint meeting of CSEG, CSPG, and CWLS. Schmid, R., Link, B...
2006
Evaluation of Logging While Drilling Technology, Offshore, East Kalimantan
S. Sutiyono
Indonesian Petroleum Association
... reading range Figure 5b. Phase Shift resistivity (RPS) is comparable to the Medium Phasor Induction log (IMPH) Figure 6. Both LWD and wireline data...
1992
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
...True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia) M...
2011
4D Seismic Reservoir Characterization of a CO2 Flood: A New Technology
Sony R. Mohammad, Thomas L. Davis
Indonesian Petroleum Association
... phase, time-shift, frequency, and amplitude mismatch between the data, which might occur due to different acquisition parameters, soil condition...
2011
A case study of natural gas hydrates (NGH) in offshore NW Sabah: Identification, shallow geohazard implication for exploration drilling, extraction challenges and potential energy resource estimation
John Jong, Goh Hui Sin, Steve McGiveron, Jim Fitton
Geological Society of Malaysia (GSM)
...). The stability of the GHSZ can be disturbed when a small amount of salt (NaCl) is added into water, resulting in a phase boundary shift to the left, where...
2020
Bramberge Field, Federal Republic of Germany: Case Histories
A. Roll
AAPG Special Volumes
... of the Emsland wells. The reflection itself appears approximately 30 msec later in accordance with the phase shift due to the analog filtering...
1972
U.S. Gulf Coast Field Experience with Thin-Bed Well Log Analysis
Tony D. Lawrence , Ashok K. Sinha , Walter H. Fertl
GCAGS Transactions
... and Fernandez, 1987). The dielectric logging instrument measures the attenuation and the phase shift of the emitted electromagnetic wave between two...
1990
Geophysical Monitoring with Seismic Metamaterial Contrast Agents
Quin R. S. Miller, H. Todd Schaef, Satish K. Nune, Ki Won Jung, Jeffrey A. Burghardt, Paul F. Martin, Matthew S. Prowant, Kayte M. Denslow, Chris E. Strickland, Manika Prasad, Mathias Pohl, Piyoosh Jaysaval, B. Peter McGrail
Unconventional Resources Technology Conference (URTEC)
... to measure the resulting Figure 3. Schematic of geophysical core test apparatus strain (Figure 3). The phase shift between the imposed for measuring...
2019
Well Interference Testing using Fiber Optics Production Analysis
Marcel A. Grubert, Xinyang Li, Todd Bown, J. Andres Chavarria
Unconventional Resources Technology Conference (URTEC)
... is scattered back to the surface. Measuring amplitude, phase shift and timing of those return signals, a distinct “map” of the fiber can be created. Since...
2021
Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study
D. E. Miller and L. Dupal
AAPG Special Volumes
...., and P. Sguazzero, 1983, Migration of vertical seismic profiles by phase shift plus interpolation: 45th Meeting, European Association Exploration...
1987
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... will fast approximations to Under the signal in frequency the time delay in t-x domain or change to phase shift in freqeuncy in D SSA method. However...
2014
Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)
Wubing Deng and Igor B. Morozov
Search and Discovery.com
... 90 phase shift (blue line in Figure 4). Such phase-rotated reflection is controlled by the viscosity contrast. Note that similarly, strong nonlinear...
2015
Seismic Sedimentology of Cenozoic in Qinan Sag of Huanghua Depression, Eastern China
Xiaomin Zhu and Yanmei Dong
Search and Discovery.com
... phase shift Stratal slicing Interpretation 8 Ricker Wavelet as Function of Phase 0 Impedance 90 Ricker 0 After Hongliu Zeng 2001 9 3450 TR546...
Unknown
Seismic Expression of Low-Angle Clinoforms in Ancient Deltaic Systems: Implications for Stratigraphic Modelling; #20098 (2011)
German A. Gonzalez Uribe, Erwin Rieser, Martin Kornberger, Thomas Kuffner, Adrian Ballauri
Search and Discovery.com
... 583 Aa. 60 BR bb. B Ground Level 4 3 2 1 4 2 1 3. This operator is combined with the 90° phase shift to create the Colored Inversion Operator...
2011
Geosteering through Challenging Fractured Limestone Reservoir Becomes Achievable Utilizing High Definition Multi-Layer Boundary Mapping Technology Case Study from a Deep Gas Reservoir; #41828 (2016)
Saad A. Al-Ajmi, Chinmaya Pattnaik, Ahmed E. Al-Dawood, Qasem Dashti, Abdul Aziz H. Al-Failakawi, Sandeep Chakravorty, Chandan J. Keot, Khaled M. El-Derini
Search and Discovery.com
... with the novel concept of tilted antennas to provide directional and deep phase shift and attenuation measurements at multi depths of investigations...
2016
Uniting Petrophysics and Stratigraphy to Decipher Classified Facies from a Pre-Stack 3D Inversion: Wolfcamp and Spraberry, Howard County, Midland Basin, #10946 (2017).
Stephen P. Gardner, Katie-Joe McDonough, Robert Lieber, Ray Vogler, Scott Cook, Michael Pollachek
Search and Discovery.com
... Zp –VS- PRESTACK INV Zp .647 5.2% error 6185-8450 WFMP Cross plot: -42 deg Phase shift P impedance –vs- Vol SS% P impedance –vs- Vol LS% Total...
2017
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001
Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?
Brian C. Tost, Ann E. Cook
Unconventional Resources Technology Conference (URTEC)
... within the target sand with values ranging from 1.3 to 2.1 -m in Hole AC 21-B. Phase-shift and attenuation propagation resistivities for 400 kHz...
2013
Pushing the Production Limits in a Complex Channel Sand Reservoir A Case Study
Nurul Hasani, Ferry Syafrian, Prasetyo Hadi, Tubagus Nasirudin, Adjie Setiawan, Julianta Parlindungan Panjaitan, Yus Willian, Laurence Reynolds
Indonesian Petroleum Association
... create directional sensitivity to conductivity changes in the formation. Directional measurements of electromagnetic phase shift and attenuation...
2012