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The AAPG/Datapages Combined Publications Database

Showing 758 Results. Searched 200,693 documents.

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Hamiltonian Monte Carlo based time-lapse seismic FWI and uncertainty quantification in CO2 monitoring: A VSP feasibility study

Jinji Li, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

...⁡(𝐻(𝐩cur , 𝐦cur ) −𝐻(𝐩new , 𝐦new ))]. (9) Examples In this section, we demonstrate acoustic FWI tests using HMC in the frequency domain. We create...

2024

Reliable 1D magnetotelluric probabilistic inversion considering modelling assumption violations

Hoël Seillé, Gerhard Visser

Petroleum Exploration Society of Australia (PESA)

... H in the frequency domain, assuming spatial uniformity of the source fields: 𝐄= 𝐙∙ 𝐁 The magnetotellurics (MT) method measures naturally...

2019

Magnetotelluric inversion strategies

Ralf Schaa*, Brett Harris, Andrew Pethick

Petroleum Exploration Society of Australia (PESA)

... are described in Neumann (2013, pp.9). MT timeseries were processed to the frequency domain and made available by Geoscience Australia as industry...

2019

Handling noise in AEM inversion … implications for subsurface characterisation

Shane Mulè, Camilla Soerensen, Tim Munday

Petroleum Exploration Society of Australia (PESA)

.... 45). Geoscience Australia. Brodie, R. C., & Sambridge, M. (2009). Holistic inversion of frequency-domain airborne electromagnetic data with minimal...

2019

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

...-only inversion in the frequency domain. The objective function between modeled (u) and observed (d) data is expressed as follows: Time-lapse seismic...

2024

Improving pre-stack inter-trace variation extraction with a self-supervised learning approach

Yifeng Fei, Xin He, Bangli Zou, Jiandong Liang, Dajun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Neklyudov, and I. Silvestrov, 2020, Prestack data enhancement with phase corrections in time-frequency domain guided by local multidimensional stacking...

2024

Time-lapse full-waveform inversion strategies for Snowflake datasets acquired at Newell County Facility in Alberta, Canada

Hyeong-Geun Ji, Kristopher A. Innanen, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

... with phase-only inversion in the frequency domain, it brings several advantages when applying FWI to land VSP data. The computation of GCN between modeled (u...

2024

Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition

Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina

Indonesian Petroleum Association

... attribute that can help delineating underlying free gas and finding the position of BSR. Spectral decomposition is used in time-frequency domain based...

2016

Optimized transparent boundary conditions for wave propagation

G. Roncoroni, B. Arntsen, E. Forte, M. Pipan

International Meeting for Applied Geoscience and Energy (IMAGE)

... perfectly matched layer for frequency-domain seismic wavefield simulation in anisotropic media: Geophysical Prospecting, 67, no. 5, 1329–1344, doi: https...

2024

Targeted nullspace shuttles as enablers of time-lapse CO2 monitoring with sparse acquisition

Kimberly A. Pike, Kristopher A. Innanen, Scott D. Keating

International Meeting for Applied Geoscience and Energy (IMAGE)

.... FWI is then implemented using a 2D, acoustic, frequency-domain, multi-scale approach to Fourth International Meeting for Applied Geoscience...

2024

Feature template based nonlinear time difference correction for first break automatic picking

Chao Ning, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For better feature template, we generate feature template in frequency domain. Given a frequency slice with NltD and noise data Y   nhr  nhc , where nhr...

2024

Optimal survey design for full-waveform inversion via bi-level optimization

H. S. Aghamiry, S. Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency or time domain with or without regularization. Upper-level problem: The upper-level problem searchs for the number and labels of sources...

2024

Zonal Isolation Surveillance … A Case Study a Through-Tubing Measurement and Analysis Method Which Can Identify and Diagnose Fluid Movement in Annuli Caused by Loss of Annular Integrity

B.R. Wijaya, A. Prawesti, Z. Rahamanda, A. Mansur, A.H. Prasetyo, A. Muhadjir, W. Andono, M. Saada, M. Abdelmoula

Indonesian Petroleum Association

...  Noise generated  by Flow or Leak Frequency domain spectrum  FLOW Problem LEAK Problem Amplitude : function of fluid flow velocity  Frequency : function...

2017

AAPG Hedberg Series, no. 1. Chapter 1: Advances in Hydrocarbon Fluid-inclusion Microanalysis and Pressure-volume-temperature Modeling: Diagenetic History, Pressure-temperature, and Fluid-flow Reconstruction — A Case Study in the North Potwar Basin, Pakistan

Nicole Guilhaumou, Lakhdar Benchilla, Pascal Mougin, Paul Dumas

AAPG Special Volumes

... radiation as excitation source in the midinfrared range on selected samples in the 10004000-cm1 frequency domain. We used a 3 3-m2 aperture (32...

2004

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

... method in time-frequency domain signal analysis. The combination of STFT with Cepstrum can theoretically able to widen the frequency bandwidth as has...

2022

Stochastic Analysis of Monthly Precipitation Data in Alabama

Emmanuel E. Udoh, Nosa O. Egiebor, Kafui Nyavor

GCAGS Transactions

... to the frequency domain. After the calculation of the periodic component, the remaining part of the time series consists of the auto-correlative...

1998

The Benefit of 3D Seismic Data for Muda Reservoir Characterization from ABCŽ Discovery, South Natuna Sea Block B, West Natuna Basin

Pintarwan Sasi Kirana, Retno Wijayanti, Salwan Suheri

Indonesian Petroleum Association

... waveform inversion in the frequency domain, part 1: Theory and verification in a physical scale model: Geophysics, 64, no. 3, 888-901. Simabrata, H...

2024

A comparative study of reservoir modeling techniques and their impact on predicted performance of fluvial-dominated deltaic reservoirs: Discussion

Shengli Li, Ye Zhang, Y. Zee Ma, Christopher Dorion, Colin Daly, and Tuanfeng Zhang

AAPG Bulletin

... or probability can be cumulative in the frequency domain, such as in a histogram or probability distribution, but cannot be cumulative over different...

2018

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

... NLNM, NHNM and Trillium Compact noise floor used in previous frequency-domain figures. AAPG Datapages/Search and Discovery Article #90174 CSPG©2014...

2014

Abstract: Q Estimation by a Match-filter Method; #90174 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... spectral division in the frequency domain. Examples The ideal test for Q estimation is computing Q from noise free VSP data or reflection data with isolated...

2014

Abstract: Detecting Stratigraphic Discontinuities using Wavelet and S-Transform Analysis of Well Log Data; #90174 (2014)

Akhilesh K. Verma, Burns A. Cheadle, William K. Mohanty, Aurobinda Routray, and Lalu Mansinha

Search and Discovery.com

... respectively and  a ,b  t   1 a t b   a   (2) “*” and (3) The expression for continuous wavelet transform in frequency domain is W...

2014

Abstract: Wide Azimuth Interpolation; #90211 (2015)

Daniel Trad, Jeff Deere, and Scott Cheadle

Search and Discovery.com

... have been obtained in the inline-crossline- azimuth-offset-frequency domain with NMO-corrected data. A related distinction is the number...

2015

Abstract: Anisotropic Moment Tensor Inversion and Visualization Applied to a Dual Well Monitoring Survey; #90224 (2015)

Scott Leaney, Xin Yu, Chris Chapman, Les Bennett, Shawn Maxwell, Jim Rutledge, and John Duhault

Search and Discovery.com

... to a displacement discontinuity source, which is an incomplete moment tensor. Recently a frequency domain inversion for the complete moment tensor was described...

2015

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

.... Source function f (t )  e  t  sin(  t ) filtering result: a) signal in time domain; b) amplitude spectrum and filter in frequency domain 2 We...

2015

Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and Discovery.com

...), Frequency domain (2D), and Pseudo analytic in timewavenumber domain (3D). The multi-domain FWI is characterized by its unique functionalities (Xiang Li...

2023

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