Deep water OBN multiple prediction from local reflectivity in the Stolt domain

Cesar Ricardez

International Meeting for Applied Geoscience and Energy (IMAGE)

... then assumes that true reflectivity is random and any periodicity manifests as organized energy in the autocorrelation, subject to attenuation...

Deconvolution Using Matlab Script to Identify Fault-Seal

Maulana Hutama Rahma Putra, Irvan Rahadian Putra

Indonesian Petroleum Association

... (2011) has made the book of guidelines to make a processing procedure in the Matlab environment. Spiking deconvolution can be used as filtering process...

Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)

Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram

Search and Discovery.com

... autocorrelation. In order to investigate amplitude dependence on frequency, data traces were band-pass filtered before calculating the LSSS with a series of 1 Hz...

Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... of adding octaves is illustrated on the amplitude spectra of the sweeps (figure 1b) as well as on the autocorrelation wavelets (figure 1c). The broader...

Abstract: Case Study of Seismic Exploration in Complex Urban Areas; #91204 (2023)

Nie MT, Saif Al Mesaabi, Ye PP, Guo SL, Wei T, Su ZQ

Search and Discovery.com

... information in the shallow layer, the shot points are contributing to the shallowness of the stack. 2) Pseudo random sweep The autocorrelation wavelet...

Seismic Attribute Mapping in Carbonate Depositional Environment, Some Lessons from Case Studies; #41159 (2013)

F. Hong and E. Shipilova

Search and Discovery.com

.... Autocorrelation + Chaotism + Coherency + Dominant frequency Workflow Our workflow (Figure 6) consists of, firstly, extracting the single independent seismic...

The Power of Multiple Seismic Attributes in Revealing Geologic Understanding, By, W.E. Johnson, R.O. Louden, D.D. Lehman, and D.L. Edwards, #40067 (2003)

Search and Discovery.com

Populations, Trends, and Cycles in Combined-Flow Bedforms

Indranil Banerjee

Journal of Sedimentary Research (SEPM)

....) The autocorrelation function for the data was computed using the method outlined by Chestnut (1966). The autocorrelation value has no units and varies...

Computer Mapping: A Review of What is Available and What is Useful for Exploration Purposes

Nigel M. Waters

CSPG Bulletin

... Autocorrelation: London, Pion, 178p. Cubitt, J. M. and Henley, S., 1978, Statistical analysis in geology: Benchmark Papers in Geology, v. 37, Dowden, Hutchison...

Absence of evidence of climate-driven cycles in Carboniferous deposits of Joggins, Nova Scotia, Canada: influence of salt withdrawal tectonics on deposition and pedogenesis

Yohan Letourmy, Steven G. Driese, Justin R. Sims

Journal of Sedimentary Research (SEPM)

... with no autocorrelation. This is surprising because it indicates that when facies 2 is observed at one location, it is no more likely to be observed...

Forecasting the Domestic Utilization of Natural Gas in Nigeria (2015…2020)

J. J. Adaji, R. U. Onolemhemhen, S. O. Isehunwa, A. Adenikinju

Africa Energy and Technology Conference, 2016

... measure of goodness of fit for a model suitability. 4.4.The F-statistic, Intercept and Autocorrelation result The F-statistic result (127.1194...

Recognition of cyclicity in the petrophysical properties of a Maastrichtian pelagic chalk oil field reservoir from the Danish North Sea

Morten Stage

AAPG Bulletin

... autocorrelation function to produce the power spectrum, which displays the spectral content of the data series (Stage and Nielsen, 1999). The initial...

Identification of Fracture Zone in Field AŽ Using Maximum Entropy Method

Aditya T. Pratama, Leonard J.I. Lisapaly

Indonesian Petroleum Association

... the spectrum is the Fourier transform of the autocorrelation function (Baert, 1995) : (1.6) Where φ x (k ) are the 2K+1 known autocorrelations (− K ≤ k...

Physics of Marine Orogenesis

A. E. Scheidegger

CSPG Bulletin

... that if continental drift exists, it could be explained by a randomwalk model with autocorrelation. The basic data that are to be explained are as follows...

Characterization of underground structures on Earth and on Mars using ambient seismic vibrations

Manuel Hobiger

International Meeting for Applied Geoscience and Energy (IMAGE)

..., such as the spatial autocorrelation method (SPAC; Aki, 1957), the frequency-wavenumber method (FK; Lacoss et al., 1969), the high-resolution frequency-wavenumber method...

Development of offshore microtremor array exploration

Yoshikazu Matsubara, Mikihiro Imai, Akeshi Hiraide

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and b) Phase-velocity frequency images and estimated dispersion curve (Red dot) of observed array data. The spatial autocorrelation (SPAC) method...

Codes and Ciphers Simultaneous: Source Separation: PART II

Johan O. A. Robertsson, Dirk-Jan Van Manen, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... be decoded. correlation between two (infinite) random sequences is zero whereas the autocorrelation is a spike. It is deterministically mapped onto known...

Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

...𝜋𝜋𝜋𝜋 ∬𝑆𝑆 𝐹𝐹 �𝑡𝑡 − 𝑐𝑐 𝑟𝑟𝑒𝑒𝑒𝑒 𝑐𝑐 �∙ 𝐜𝐜𝐜𝐜𝐜𝐜 𝜃𝜃 2 𝑟𝑟𝑒𝑒𝑒𝑒 𝑑𝑑𝑑𝑑 Figure 1: Conventional seismic profile (a), amplitude spectrum (b), and autocorrelation profile...

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

... on an autocorrelation of the near trace data. Both methods of water-bottom picking were tested for this survey and results were very similar. Multiple Modelling...

Bayesian variational auto-encoder for seismic wavelet extraction

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... approach in case of lack of well-data is to use the autocorrelation of the seismic traces to produce a zero-phase statistical wavelet, which could...

Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model

Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea

International Meeting for Applied Geoscience and Energy (IMAGE)

... an autocorrelation of each trace over a background time window and convert it to an amplitude spectrum. Again, we select a pilot CDP as reference. Once computed...

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... , where Rss is the autocorrelation of the source wavelet, and its argument τ is the delayed time, the integral variable ξ stands for the source...

Application of high-end seismic imaging technologies for field development in NWS Australia

Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li

Petroleum Exploration Society of Australia (PESA)

... is the autocorrelation. Furthermore the simultaneous adaptive subtraction is done in the 3D curvelet domain: the sailline data (shot/channel/time) is transformed...

A Comprehensive Approach to Water Volume Estimation in Unconventional Shale Reservoirs Through Physics-Informed Statistical Modeling

Bo Gong, Aygul Kostinovsky, Mehrnoosh Saneifar, Luisa Crousse, Mason Edwards

Unconventional Resources Technology Conference (URTEC)

... location and encountered formations, with approximately 15% for testing. This division was done by well to mitigate bias from autocorrelation...

Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons

B. S. Flowers

AAPG Special Volumes

... autocorrelation. In either method of modeling, the periodicity and amplitude of the multiples change with time and distance, respectively. Moreover...