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The AAPG/Datapages Combined Publications Database

Showing 1,196 Results. Searched 200,621 documents.

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Ascending

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

BajaŽ Reservoir Distribution Study in PermataŽ 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 Natures 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

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