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The AAPG/Datapages Combined Publications Database
Showing 447 Results. Searched 201,049 documents.
Convolution and Deconvolution: ABSTRACT
T. Cantwell, Robert H. Ray
AAPG Bulletin
...Convolution and Deconvolution: ABSTRACT T. Cantwell, Robert H. Ray 1967 814 814 51 5. (May) A seismogram is the result of the impulse response...
1967
Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)
Guangpin Li, Johnathan Linfoot, and Bruce Hobbs
Search and Discovery.com
...’s impulse response obtainable using the transient EM approach. A rigorous integral equation (IE) based forward modeller and regularized focussing...
2013
How to Correct Seismic Data to Improve Seismic Impedance Logs: ABSTRACT
E. Robein, J. M. Komatitsch
AAPG Bulletin
... to the estimated impulse response of absorption at a given time, and reversely, to an optimized (eventually time-varying) correction operator...
1981
Abstract: Challenges for Seismic Imaging Using Explicit Wavefield Extrapolation, by Saleh Alsaleh; #90077 (2008)
Search and Discovery.com
2008
New Technology to Acquire, Process, and Interpret Transient EM Data; #41579 (2015)
Anton Ziolkowski, Richard Carson, David Wright
Search and Discovery.com
... land and marine environments. The amplitude of the transient EM impulse response decays with offset r as 1/r5 and the corresponding step response...
2015
-- no title --
user
Search and Discovery.com
... to reduce the noise in the transient EM measurements. The variation of the arrival time of the peak of the earth impulse response with offset can...
Unknown
-- no title --
user
Search and Discovery.com
... to reduce the noise in the transient EM measurements. The variation of the arrival time of the peak of the earth impulse response with offset can...
Unknown
Shallow Seismic Reflection in Appalachian Basin with Mini-Sosie: ABSTRACT
Pierre Corre, Gildas Omnes
AAPG Bulletin
... compaction. By acting on the throttle, the operator obtains a series of random impulses at an average rate of 10 per second. The digital recorder...
1979
Abstract: Estimating Static Shifts by Deconvolving Stacking Velocity Profiles, by Turki Z. Al-Rowaili, Abdullatif Al-Shuhail, Abdulaziz S. Al-Aslani, and Gabor Korvin; #90077 (2008)
Search and Discovery.com
2008
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
... the unit impulse response of the seismic recording system. The effect of the convolution process is completely linear. Each reflection coefficient...
1972
The Effect of Resistivity Anisotropy on Earth Impulse Responses
Folke Engelmark, Bruce Hobbs, Dieter Werthmüller
Indonesian Petroleum Association
... are recorded simultaneously allowing deterministic deconvolution to recover the earth’s impulse response. Integration of the impulse response yields the earth...
2009
Diagnostic Applications of Borehole Hydraulic Signal Processing
Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos
Unconventional Resources Technology Conference (URTEC)
... failure is reflected in the hydraulic impulse data collected during the stage and could be used in these cases in the future to inform the operator...
2018
Triangular impulse tests for stratified gravity inversion
Guibao Liu, Hua-Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
...Triangular impulse tests for stratified gravity inversion Guibao Liu, Hua-Wei Zhou Triangular impulse tests for stratified gravity inversion Guibao...
2022
A Collaborative Study on DFIT Interpretation: Integrating Modeling, Field Data, and Analytical Techniques
Mark McClure, Vidya Bammidi, Craig Cipolla, Dave Cramer, Lucas Martin, Alexei Savitski, Dave Sobernheim, Kate Voller
Unconventional Resources Technology Conference (URTEC)
... of field data, and operator experience. DFIT simulations were performed with a three-dimensional hydraulic fracturing, wellbore, and reservoir simulator...
2019
TTI Wave-equation Migration of A 3-D Canadian Foothills Dataset
Search and Discovery.com
...; θ, the tilt of the symmetry axis with respect to the vertical, and; φ, the azimuth of the symmetry axis. An example of the operator impulse response...
2013
Wavelet Processing
Lee Lu
Indonesian Petroleum Association
... effects of many different factors. These include near field source waveform, shot and receiver ghosts and the impulse response of the recording system...
1978
Abstract: The Effect of Resistivity Anisotropy on Transient Electromagnetic Earth Responses; #90171 (2013)
Bruce Hobbs, Dieter Werthmuller, and Folke Engelmark
Search and Discovery.com
... determines the earth’s impulse response. Integration of the impulse response yields the earth’s step response. Earth Step and Impulse Responses The form...
2013
Least-squares migration utilizing high-resolution point spread functions generated from local angle domain illumination vectors
Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
...ulse response or the blurring operator, serves as the PSF operator. Amplitude preserved high-frequency asymptotic integral migrations require, in addi...
2024
Delineation of Onshore Hydrocarbon Reservoirs Using the Multi-Transient Electromagnetic Method (MTEM), by Bruce A. Hobbs, Anton M. Ziolkowski, and David A. Wright; #90052 (2006)
Search and Discovery.com
2006
Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #42328 (2018)
Ryan Adhi Putra, Abdullatif A. Al-Shuhail
Search and Discovery.com
..., 𝑇𝑇𝑝𝑝 = dominant period, 𝑣𝑣 =velocity. (7) In the end, the wavelet responses with errors were generated by convolving the impulse response with errors...
2018
Advances in High Resolution Seismic Reflectivity Inversion
Dr. John Castagna
Houston Geological Society Bulletin
... representing reflection coefficients at the top and base of a given layer. The frequency response for any impulse pair is sinusoidal and periodic all the way...
2012
Application of TTI Reverse Time Migration, Deepwater Offshore Malaysia (Paper P5)
J. Sun, B. Mishra, C. Jiao, J. Sun, G. Hodgkiss, A. Bisset
Geological Society of Malaysia (GSM)
..., using impulse response analysis and actual data, that RTM is superior to Kirchhoff migration even in the absence of high velocity bodies...
2012
IV. The Role of Seismic Wavelets and Wavelet Processing
Norman S. Neidell
AAPG Special Volumes
... instruments used to record these data have an impulse response as shown in the next figure. This wavelet is the time domain expression of the filter...
1979
Shaping regularization by fast explicit diffusion
Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... (Rauber and R¨ nger, 2013). Is it possible u to achieve a similar smoothing effect using a cascade of local convolutions with finite-impulse-response filters...
2022
Optimized downward continuation for the one-way wave equation in TTI media
Cosmin Macesanu, Faqi Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... uses a second order difference operator: ∂ u ∂x → u j+1 − u j−1 2dx 3 3.5 (b) Figure 3: Impulse response in an isotropic, smoothly laterally...
2022