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Showing 1,196 Results. Searched 200,621 documents.
Seismic Resolution in the Mahakam Delta
J. B. Beauchamp
Indonesian Petroleum Association
... equalized than after simple deconvolution. Plate 17. Time Domain, Frequency Domain We can assume that actual field conditions will turn out to be less...
1980
Reservoir characterization using multi-seed stochastic inversion
Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet
International Meeting for Applied Geoscience and Energy (IMAGE)
..., IS) variables and (2) at seismic scale in the time domain, to assess feasibility of facies discrimination from upscaled (IP, IS) variables, and define...
2022
Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin
Erin Shirley
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and demonstrates consistently strong amplitudes. Since seismic data is acquired in the time domain, an accurate time to depth conversion is essential...
2018
Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... by a ghost with time lag τ0 =2z/c, here represented in frequency domain by the function G = 1 + r0 exp(iωτ0) can be eliminated theoretically by applying...
2013
Reduced Manning with Improved Safety and Reliability: How Classification Societies and Digital Solutions can Support Operators
Mark Tipping
Australian Petroleum Production & Exploration Association (APPEA) Journal
... be considered degradation of an asset in the time domain. The management itself brings in different drivers, influencers and requirements, as illustrated...
2019
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Abaqus is time-domain software, and viscoelasticity is implemented through so called Prony series, in which an effective modulus is given by m...
2022
A stable TTI acoustic wave equation
Linbin Zhang, Edose Ohen
International Meeting for Applied Geoscience and Energy (IMAGE)
... have the P wave dispersion relation: 𝜔2 = 𝑣 2 𝑓2 + 𝑣 2 𝑓1 + 𝑣 2 (𝑓2 + 𝑓1 ), 𝑝𝑥 𝑝𝑧 𝑠𝑧 (13) The P wave equation in time domain from...
2022
Baja Reservoir Distribution Study in Permata Field Central Sumatra Basin Using Seismic Attribute to Determine Proposed Location for Development Well
Yongky Taruna Baja
Indonesian Petroleum Association
... for hydrocarbon. The time structure map is a depth map which has a unit in time domain since the process of the mapping is done by 3D picking horizon...
2009
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
Dries Gisolf, Peter R. Haffinger
International Meeting for Applied Geoscience and Energy (IMAGE)
... is obtained. These wavelets can be applied in the time domain by constructing a time-variant Toeplitz-like matrix. In the examples shown in this paper...
2022
Improving subsalt images using reflection FWI on WAZ data: Examples from the Gulf of Mexico
Maksym Kryvohuz, Yihua Cai, Sebastian Ramirez, Robert Schelstrate, Gislain Madiba
International Meeting for Applied Geoscience and Energy (IMAGE)
... compensation. The nice benefit of data-space reflectivity 𝜌 as compared to the model-space reflectivity 𝑟 is that 𝜌 resides in the time domain, where...
2022
Improving Exploration Efficiency in Frontier Basin Using CSEM
Raghava Tharimela
Australian Petroleum Production & Exploration Association (APPEA) Journal
... recorded in time domain is processed into frequency domain and inverted. The inversion is usually CSEM data driven with no a-priori seismic or well...
2020
Codes and Ciphers: Decoding Natures Disorder: PART I
Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... by the rms of the trailing noise and fitted with an envelope function in the time domain. The resulting normalized envelope function amplitudes...
2016
Kemandung Ridges Play Concept to Increase Exploration Prospectivity in East Tuban Block: Preliminary Study
Andi M Adiwiarta, Risdi M Zainal, Yosi Hirosiadi
Indonesian Petroleum Association
.... The existing 2D Seismic survey has been reprocessed using pre-stack time migration in order to image the subsurface better and converted to depth domain...
2010
Low-frequency data reconstruction for full-waveform inversion
Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... at higher frequencies. It is based on the concept that a sequence of spikes in the time domain maps into a superposition of linear harmonics in frequency...
2022
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... by phase in the frequency domain using the conjugating estimated velocity . The surface waves are compressed in the time domain after the phase...
2012
Electromagnetic Imaging of Oil and Gas Traps
Professor George V. Keller, M. Tahsin Tasci, John M. Jack Jordan
Montana Geological Society
..., the Electromagnetic Imaging (EMI™) method which is a low frequency, time-domain, transient electromagnetic sounding method was chosen because...
1996
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... such as VRMS or effective Eta. As a consequence, the velocities and anisotropy derived in the time domain, are compatible with depth imaging...
2012
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... determination (for uppermost reflector) was conducted on stacked data in the time domain, the obtained value should represent actual value, since this value may...
2013
Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison
Tan Boon Hua, Lothar Schulte
Indonesian Petroleum Association
... was introduced at the top of the RMO based velocity model. The base of this layer is the depth slice at 900m converted into the time domain by the DIX...
2011
High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP
Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
... for all receivers. Finally, Q-amplitude compensation was applied to each receiver image in time domain before stacking. This prestack application enhances...
2023
Identifying the Effectiveness of Treatment Programs with Microseismicity
John W. Crowley, Ted Urbancic, Adam M. Baig
Unconventional Resources Technology Conference (URTEC)
... Time-Domain Calculation of Source Parameters for the Analysis of Induced Seismicity, Bull. Seism. Soc. Am., Volume 86, pp. 1627-1633...
2015
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)
... efficiently computed in the Fourier domain. We show the advantages of using global FNOs over conventional convolutional neural networks (CNN), to achieve...
2023
Rock-physics based time-lapse inversion in Delivery4D: synthetic feasibility study for CO2CRC Otway Project
Stanislav Glubokokvskikh, James Gunning, Tess Dance, Roman Pevzner, Dmitry Popik, Christian Proud
Petroleum Exploration Society of Australia (PESA)
... into time-domain images. As a first step, we perform a well-tie with the log values extracted from the seismic model used for FDTD modelling. Figure 2...
2018
3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project
Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik
Petroleum Exploration Society of Australia (PESA)
... similarly to an OTDR (Optical Time Domain Reflectometer), commonly used in telecommunications to measure optical loss along the length of a fibre...
2018
Petrophysical characterization of Lower Cretaceous marly chalk through 1H-NMR and complex conductivity
Ermis Proestakis, Leonardo Teixeira Pinto Meireles, Ida Lykke Fabricius
International Meeting for Applied Geoscience and Energy (IMAGE)
... that the quadrature conductivity spectrum provides information on pore space geometry similar to the T2 relaxation time domain. Sample conductivity was lower...
2023