The Importance of Fracture Toughness - And its Azimuthal Variation for Fracability Analysis; #42519 (2020)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... low frequency models, angle dependent wavelets and inversion parameters are key elements of simultaneous inversion, their consistency must...

Use of extended source inversion for estimating the noise level in seismic data

Huiyi Chen, William W. Symes, Susan E. Minkoff

International Meeting for Applied Geoscience and Energy (IMAGE)

... for only a short time interval, l  t  l . All such wavelets with maximum time lag l constitute the set Wp of “physical” sources in this example. We...

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... shown so far, the wavelets have been relatively short and si ple (e .g ., sinusoids) . In reality, the wavelets generated by seis ic sources are uch...

Shale Oil Play Exploration Delineation Using Rock Mechanics Template and Seismic Inversion Data, Vaca Muerta Formation, Neuquén Basin, Argentina

Juan Soldo

Unconventional Resources Technology Conference (URTEC)

... the wavelets extracted for each partial angle stack respectively. It can be shown that all wavelets are stables, with a change in frequency content, all...

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

.... Wavelets that have been used in the previous stages is the Ricker wavelet, convoluted with the log impedance (log reflectivity), so a synthetic...

Insight on the uplift the Wave-Equation Based AVO technology may have on unconventional reservoirs: A case study on the Vaca Muerta Formation, Neuquén Basin, Argentina.

David Curia, Ezequiel Valeff, Francisco Ghersi, Hansel Gonzalez, Pablo Benitez

Unconventional Resources Technology Conference (URTEC)

.... Subsequently, wavelets from the elastic well-tie process as well as statistical and scaled theoretical wavelets were tested, along with background...

Predictive Isopach Mapping of Gas Sands from Seismic Impedance: Modeled and Empirical Cases from Ship Shoal Block 134 Field

Robert D. Woock , Alan R. Kin

AAPG Bulletin

... of resolution of zero-phase wavelets: Geophysics, v. 47, p. 1035-1046. Oldenburg, D. W., T. Scheuer, and S. Levy, 1983, Recovery of acoustic...

Hydraulic Fracture Characterization Using Continuous Wavelet Transform for Treating Pressure, Calibrated with Fiber Optics Data

Mohamed A. Gabry, Amr Ramadan, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

..., interactions with high leak-off zones, and fracture height growth. The CWT is implemented as a mathematical convolution process, using wavelets—short...

Hyperspectral imaging for the determination of bitumen content in Athabasca oil sands core samples

Michelle Speta, Benoit Rivard, Jilu Feng, Michael Lipsett, and Murray Gingras

AAPG Bulletin

... oil sand from hyperspectral infrared reflectance spectra using Gaussian singlets and derivative of Gaussian wavelets: Fuel, v. 89, no. 3, p. 760–767...

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... into a shape which is easier to work with. Since zero-phase wavelets are symmetrical and provide the maximum resolution for any given bandwidth, we usually...

Synthetic Seismograms and Their Uses

Abilene Geological Society

... of the wavelet into a shape which is easier to work with. Since zero-phase wavelets are symmetrical and provide the maximum resolution for any given...

Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... and frequency domain by utilizing and using specific wavelets. In contrast to FFT, the wavelet transform method will produce an amplitude spectrum...

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

... the wavelet-power spectrum using a procedure outlined in the online interactive tool (http://atoc.colorado.edu/research/wavelets/) provided...

A case study of cavity excitation method for seismic acquisition in the limestone outcrop area of eastern Sichuan, China

Xiaoyang Wang, Min Li, Xiaobin Zhang, Shuqin Li, Zhichao Yang, Longjiang Jing, Zhen Yang, Yanfa He, Xiaohong Zhao, Mingyi Li, Hao Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...: Geophysical Prospecting for Petroleum, 55, 1–9. Sun, C. Y., and J. Y. Cai, 2013, Explosive shock waves and factors generating seismic wavelets: Oil...

Seismic Exploration Using Shear Waves

R. Garotta

Indonesian Petroleum Association

... and S wavelets. Fig. 13 Figure 13. δV = VS/VP – Line 4 The second way for obtaining the ratio is obviously to use P and S interval velocities obtained...

Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... s. These are the arrival times of three ‘wavelets’ travelling with apparent velocities c0=1687 m/s, c1=1480 m/s and c2=1330 m/s, respectively. The low-amplitude...

Marine Seismic Sources: Part IV

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... as wavelets. Minke whale songs are produced by the male during the mating season and can travel long distances underwater. Image: AGUASONIC ACOUSTICS...

Seismic Resolution in the Mahakam Delta

J. B. Beauchamp

Indonesian Petroleum Association

... previously, we notice that the original wavelets are compressed and that there are no "very low" frequencies left. Furthermore, it is not very sensitive...

Reservoir characterization using multi-seed stochastic inversion

Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet

International Meeting for Applied Geoscience and Energy (IMAGE)

... and wavelets (one per angle stack) extraction (3) a priori model construction and (4) joint elastic inversion, enabling to generate optimized P...

Rock Properties and Seismic Attributes Analysis of Chert Reservoirs in the Devonian Thirtyone Formation, West Texas

Dongjun Fu, Charlotte Sullivan, Kurt Marfurt, Joel Famini, Peter Wang

West Texas Geological Society

...: The Leading Edge, 16, 247–251. Kallweit, R.S. and Wood, L.C, 1982, The Limits of Resolution of Zero-Phase Wavelets: Geophysics, 47, 1035–1046. Lisle, R...

Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN

Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetics. Depth dependent wavelets were extracted for the well synthetic to match its bandwidth with seismic. Figure 4a shows that both FWI pseudo...

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 25–46, doi: https://doi.org/10.1016/j.acha.2007.09.003. Guo, K., D. Labate, and W. Q. Lim, 2006, Wavelets with composite dilations and their MRA...

The Utica - Point Pleasant Shale

Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS

GEO ExPro Magazine

... of interest are constructed. The models, wavelets and partial stacks were used as input in the inversion, and the output was P-impedance...

Utilizing Short Offset Data from a 3D Exploration Survey for Regional Seabed Morphology and Geohazard Mapping in Makassar Straits, Indonesia

Mazin Farouki, Francesco Paone, Andrea Marceglia, Francesca Felappi, Claudia Monti, Davide Della Moretta, Nikolay Nenov

Indonesian Petroleum Association

.... The frequency notches are directly responsible for the loss of resolution in seismic events, whereas a broad bandwidth delivers wavelets with much...

Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... operations and to generate the shot-by-shot far-field signature which is typically used in signal processing steps such as designature and source wavelets...