Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... was considered. A zero-phase source wavelet with frequencies between 3 and 13 Hz was used in the simulations, which include free surface effects. The direct...

Direct modeling of reservoir properties from seismic partial-angle stacks

John V. Pendrel, Henk J. Schouten

International Meeting for Applied Geoscience and Energy (IMAGE)

... the project to ensure complete coverage of the range of the input data. The seismic data is processed to zero phase, aligned to the near stack...

Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic

Milos Cvetkovic, Francisco Colina, TGS

GEO ExPro Magazine

... and c) signal to noise ratio from full stack. Note that the phase along water bottom is less than 10° off zero-phase on Fast Track products. d) Subset...

Analysis of the Relationship Between Seismic Amplitudes and Gas Content of the Miocene Amos Sandstone, Mary Ann Field, Offshore Alabama

Linda Turnley Reif, Dr. Gary L. Kinsland

GCAGS Transactions

... to be zero phase so that the top of the Amos sandstone is at the strongest point in the trough. FIGURE 2. [Grey Scale] Stratigraphic column (after Mink...

Abstract: How much well do you need in Acoustic Impedance Inversion?; #90174 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

... the inversion. The synthetic trace was created by convolving the reflectivity of the baseline log with a [15 20 50 60] zero phase Ormsby wavelet...

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... conver­ sion to zero-phase, boosting operators can be applied to minimise the decay constraint between 3 to 7 Hz – a result of the inherent limitations...

Filling the Inversion GapŽ Without Well Data: Multi Level Sources and Streamers Help Improve Inversion

Martin Bayly, Dominic Lowden, Bruce Webb, Ed Kragh

Indonesian Petroleum Association

... zero phase data volumes for both the over array (single cable depth only) and over/under array were inverted for acoustic impedance and compared. Well...

Integrated Digital Outcrop Model (DOM) and Seismic Forward Modeling: Application to Enhance Subsurface Interpretation in Deltaic System of Kutai Basin, East Kalimantan

Dicky Harishidayat, Leon Taufani, Iqbal Fardiansyah, Ari Wibowo

Indonesian Petroleum Association

... of (Castagna et al., 1985) and (Archie, 1942), respectively. Zero phase of wavelet is used to produce a PreStack Depth Migrated (PSDM) seismic image...

Chapter Seven: Reservoir Evaluation

Alistair R. Brown

AAPG Special Volumes

... in the digital database. Given that the data were zero phase, the time of the maximum amplitude is the correct time for the reservoir interface. Figure 7-14...

Improved Resolution of Thin Turbiditic Sands in Offshore Sabah with Bandwidth Extension … A Pilot Study (Paper C11)

G. Yu, N. Shah, M. Robinson, N. H. Nghi, A. A. Nurhono, G. S. Thu

Geological Society of Malaysia (GSM)

..., the given known well data was used to make the seismic zero phase, create the synthetics, and calibrate with the geology. Then, the pilot study tested...

Abstract: Spectral-Velocity Prediction of Geological Section Types and Reservoir Properties (SVP-Technology), by Mikhail Afanasyev; #90163 (2013)

Search and Discovery.com

ABSTRACT: Regional Study of Sarvak and Ilam Formations in the Sirri District of the Persian Gulf; #90017 (2003)

Alireza Bashari, Majid Minaei

Search and Discovery.com

... positive deflection and on the synthetic seismogram zero phase reverse polarity corresponds to a strong black peak. On the well correlation panel...

Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... using a zero-phase seismic wavelet of reasonable bandwidth (Figure 2b), and AVO extraction was performed using the Shuey equation (1985). Figure 2...

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

... that on the section with zero phase shift the whitening has not really helped the resolution while the section with the phase shift is sharper and has...

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... minor travel time changes (in terms of ms) will alter the correlation process. The perfect zero-phase correlation wavelet only exists without velocity...

Pair beads seismic anomalies: The cave features important to but missed in carbonate studies

Fangjian Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... in Central Luconia Province. 1) In section-view with zero-phase seismic display, “pair beads” is a seismic waveform with trough above and peak below...

Characterization of Carbonate Reservoir at XŽ Field Using Attribute and Seismic Inversion

Joko Wiyono, Fajar Rakhmanto, Fitriya Andriyani, Adi Susilo, Abdul Mutalib Masdar

Indonesian Petroleum Association

... as a reflected coefficient line has been filtered with wavelet zero phase. In this inversion, the correlation is 0.6061. The figure shows model based...

Seismic reflectivity inversion via a regularized deep image prior

Hongling Chen, Mauricio D. Sacchi, Jinghuai Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... and 401time sampling points. Before running the inversion, we estimate the seismic wavelet by assuming a white reflectivity and a zero-phase wavelet...

Donkey Creek North Minnelusa 3-D: Challenging Conventional Wisdom

John B. Frederick, Karen T. Dean, Steven G. Fryberger, Tim D. Wilcox

Rocky Mountain Association of Geologists

... The seismic processing flow emphasized the recovery of a broad band frequency range, on the order of 10-110 Hz, and a zero phase stack for interpretation...

Improving 4D signal using advanced 4D workflows: A case study from Gulf of Mexico

Vincent Durussel, Jianxiong Chen, Abhishek Raj, Bartosz Szydlik, Markos Sourial, Joseph Rafik Hanna, Gabriel Mattei, Leslie Bartsch

International Meeting for Applied Geoscience and Energy (IMAGE)

... process was applied to the data by shaping the ghost-less far field signature into a zero-phase target wavelet. Second, the parameters of PZ summation...

3D land full-waveform inversion in the Permian Basin: A case study at Quail Ridge East

Benjamin Consolvo

International Meeting for Applied Geoscience and Energy (IMAGE)

... that approximately matches the field wavelet needed to be selected. The wavelet chosen was a zero-phase autocorrelated vibroseis sweep, with a 6 Hz low-pass...

Stockholm Northwest Extension: Effective Integration of Geochemical, Geological, and Seismic Data

Bruce J. Moriarty

Rocky Mountain Association of Geologists

... intermediate logs to effectively simulate the valley-fill system. A zero phase 15/20-70/80 Hz bandpass filter was convolved with the integrated traces...

A Distinctive Rock Type Classification based on Acoustic Impedance Inversion in the Baturaja Carbonate Oil Reservoir, Zulu Field, PHE ONWJ

Atmaji Nugroho, Chandra Sakti, Ermin Retnowati, Said Sabbeq, Zamzam Nurzaman

Indonesian Petroleum Association

... impedance, consequently rotation was needed prior to conduct the inversion step. Whilst seismic phase is kept in zero phase because the energy...

Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)

Amr Ibrahim

Search and Discovery.com

... spectrum similar to the amplitude sp the data. onvolution and crosscorrelation with a known wavelet, respectively (Cl τ e data. elected a zero phase...

Seismic-Sedimentologic Study of Lacustrine Gravity-Flow Channels: Oligocene ES1 Formation, Qinan Sag, Huanghua Depression, China, #50754 (2012)

Huaqing Liu, Hong Zhong, Zhang Jing

Search and Discovery.com

... Relationship map of seismic wave velocity and mud-content of Es1 Formation, Qinan sag Es1 Fig.7 Contrast between original zero-phase seismic section...