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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,357 documents.
Least-squares reverse time migration of seismic source coding based on Shearlet transform
Yingkaer Nabi, Xiangbo Gong, Zhuo Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the grid size is dx=dz=8m, the dominant frequency of the Ricker source wavelet is 25Hz, the sampling interval is 0.001s, and the recording time is 1.5s...
2022
Echo phone for direct attenuation indication
Lu Liu, Tong Fei, Fuhao Qin, Yi Luo
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which may represent the rocks saturated with water and gas, respectively. We use a Ricker wavelet with a peak frequency of 10 Hz to generate 300...
2022
Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative
Ao Cai, Colin A. Zelt
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the dominant wavelength of the seismic wave. The anomaly center is the origin of the coordinates. The numerical simulations (Figure 1) use a Ricker wavelet...
2022
A strategy for acoustic impedance direct inversion in depth domain
Ruiqian Cai, Chengyu Sun, Shizhong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... is Ricker wavelet with a dominant frequency of 20 Hz. The reference synthetic seismogram can be obtained by the following steps. Firstly, we derive...
2022
Westbrook Field, Mitchell County, Texas
E. C. Edwards, Leonard W. Orynski
AAPG Bulletin
... the Ricker and Womack wells in the north end of the field to the Fensland-Badgett well is far in excess of the rate of rise in the remainder of the field. Two...
1927
Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
... the above results we have used an 8 kHz Ricker wavelet. The waveforms display the acoustic pressure in arbitrary units and have been computed Cf. Eq.(1...
2022
Determining Coal Distribution Based on Integrated Geological and Geophysical Study to Estimate Coal Bed Methane Resources in the Tarakan Formation: Case Study Kuncring Area
Dini Andriani, Erlangga Wibisono, Hizbina Khanaif, Ratna Johan Tri Pratiwi, Widi Atmoko
Indonesian Petroleum Association
... and wavelet minimum phases extracted from ricker 20Hz. A good correlation was obtained when matching up between coal zones from log data to seismic...
2013
An MT data inversion method constrained by seismic texture
Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... are corrupted with 5% Gaussian noise. The simulated post-stack data is generated by convolving the impedance layer with a 8Hz ricker wavelet. The ground...
2023
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... in simulations, the time step is 1ms, the spatial step is 12.5m, and a Ricker wavelet with the frequency of 30Hz is placed in the model’s center as the source...
2023
Use of 2-D and 3-D Seismic Data to Reduce Drilling Risk, Ismay Algal-Mound Play, Southern Paradox Basin
Beth McBride, Claudia A. Rebne
Rocky Mountain Association of Geologists
... response is shown with a 40 Hz Ricker wavelet (Fig. 6B). The tuning point is defined as where constructive interference of the wavelets from the positive...
1997
Westbrook Field, Mitchell County, Texas
E. C. Edwards , Leonard W. Orynski
AAPG Special Volumes
... is a dry hole. This latter well is 140 feet higher structurally than the most northern wells in the field. The steep rise in structure from the Ricker...
1929
Fracture-cavity carbonate reservoir identification based on channel attention mechanisms
Liuxin Yang, Yongqiang Ma, Guangxiao Deng, Zhen Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to calculate reflectivity and further convolve a Ricker wavelet to obtain synthetic seismic traces (Figure 3a). The Ricker wavelet was created with a dominant...
2023
Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation
Yu Chen, Bin He, Hejun Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... method. Initially, we examine the effects of attenuation on waveforms using a homogeneous model. A Ricker wavelet with a dominant frequency of 20 Hz...
2024
Predicting the lithology distribution of the coal seam roof using seismic-constrained 3D coal seam geological modeling
Liqin Kuang, Zonghui Yao, Yijun Wang, Linke Zhang, Yabin Guo, Xu Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity is 4545 m/s. A 30Hz standard Ricker wavelet is selected to perform forward modeling on the model, and the forward modeling profile is shown...
2024
Time-lapse full-waveform inversion strategies for Snowflake datasets acquired at Newell County Facility in Alberta, Canada
Hyeong-Geun Ji, Kristopher A. Innanen, Sea-Eun Park, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
... synthetic 4D seismic data, we use the same acquisition geometry of Snowflake I and II datasets. We use 2 m grid spacing and utilize a Ricker wavelet whose...
2024
Uncertainty quantification of single and multi-parameter full-waveform inversion through a variational autoencoder
Abdelrahman Elmeliegy, Mrinal Sen, Jennifer Harding, Hongkyu Yoon
International Meeting for Applied Geoscience and Energy (IMAGE)
... to 20 m. A Ricker pulse is used as the source wavelet with a center frequency of 8 Hz and duration of 4 s sampled every 1 ms. The number of sho...
2024
Seismic Line Across the Wind River Thrust Fault, Wyoming
W.L. Basham, W.F. Martin
Rocky Mountain Association of Geologists
... A S T 1 SKINNER FEDERAL 10000. (9,27N,lOlW) - I 0 0 W a c 5000. A W __ = RICKER WAVELET WITH 0 8 2 0 CYCLES PER SECOND 0 4. DEPTH I N FEET...
1985
Minnelusa Formation Exploration, Powder River Basin, Wyoming: An Integrated Approach
Laura A. Welch, Jesse C. Taylor
Rocky Mountain Association of Geologists
... wavelet similar in character to a Ricker wavelet. Ricker wavelets were therefore used to create synthetic seismogramsfrom the well logs to correlate...
1985
Three-Dimensional Seismic Modeling and Seismic Facies Imaging
Hongliu Zeng , Noel Tyler , Milo M. Backus
GCAGS Transactions
... models were generated by convolving a Ricker wavelet with the primary reflection coefficient series from stacked 2-D P-wave velocity and impedance models...
1995
Chapter Six: Tuning Phenomena in Reservoirs
Alistair R. Brown
AAPG Special Volumes
... derived from four different wavelets. At the top of the page the Ricker wavelet has no side lobes beyond the first and consequently the tuning curve...
2011
Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods
J. Licheri, N. Parra
AAPG Special Volumes
... errors were edited at this stage. The best frequency response was given by the Ricker wavelet of 25 Hz (Fig. 16) that permitted the identification...
1987
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
.... Another important aspect of resolvability involves the wavelet bandwidth. Most model studies have used Ricker or similar zero-phase wavelets which do...
1985
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... edge (Fig. 1). The source signature shown in the Fig.2, is a single Ricker wavelet with 50Hz. dominant frequency. The computation of all the 2D...
2014
Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)
Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli
Search and Discovery.com
... stability throughout the calculation procedure. The input for a source used in this study was selected as a Ricker wavelet applied at a specific point...
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...
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