Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)

Liansheng Liu, Chunlan Xing

Search and Discovery.com

... significant improvements. Professor Yu Shoupeng (1996) synthesized Ricker wavelets of different frequencies to obtain a new type of wavelet, namely Yu's...

Neural Network Analysis versus Pre-Stack Seismic Inversion for Reservoir Characterization, Scarab Field, Offshore Nile Delta, Egypt; #41422 (2014)

Islam Ali Mohamed

Search and Discovery.com

...) Seismic data Inverted data Wavelets Initial Model Inversion products: Zp, Zs, & Vp/Vs Introduction >> Pre-stack Inversion >> Neural Network...

Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).

Yong Xu, Satinder Chopra

Search and Discovery.com

... the wavelet does not have a boxcar spectral shape, wavelets need to be estimated first. Amplitude ratio of non-stretched wavelet to the stretched wavelet...

AVO Analysis, Inversion and Spectral Decomposition to Detect Thin Channelized Sandstone Reservoir of BED-15, Western Desert, Egypt, #20369 (2016).

W. Salah, I. Mohamed, S. Talaat

Search and Discovery.com

... Simultaneous Inversion Workflow Pre-Inversion Feasibility Study Vp/Vs Vp/Vs Sand Sand Zp Lambda-Rho Mu-Rho Density Density Density Wavelets...

Poisson Impedance Application to Shale Resource Characterization; #41772 (2016)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... the P-impedance and S-impedance low-frequency impedance models, and the appropriate wavelets from the two seismic datasets in the broad zone of interest...

Organically-Rich Sweet Spot Determination in Utica Shale; #42137 (2017)

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

Search and Discovery.com

... partial-angle stacks, a reliable low-frequency model and angle-dependent wavelets. The attributes derived from the simultaneous inversion are P-impedance...

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

... receivers are typically deployed at each "receiver location" (so eti es referred to as a "group") in an effort to boost the signal-to-noise ratio...

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...

Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.

Alistair R. Brown

AAPG Special Volumes

... significant piece of information used in the identification of reservoir reflections. Numerous figures in this book illustrate the pairing of top and base...

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...