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

Patrick Butler

Search and Discovery.com

..., how one can recover most of the signal respecting curvature and statics in space down to about 30 dB with only a few basis functions (which...

Seismic noise attenuation via learned and analytical basis functions

Yi Guo, Rongzhi Lin, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... problem in seismic data processing. Many methods have been used to deal with this issue. A few can handle the problem of signal leakage created...

Understanding Electro-Magnetic Surveys

Professor Erik Flekkoey

GEO ExPro Magazine

... is propagated. Both transmitter cable and receiver antennae are horizontal. The airwave is the part of the signal that passes directly through the air...

Automating the thresholding of multi-stage iterative source separation with priors using machine learning

Nam Pham, Rajiv Kumar, Sunil Manikani, Yousif Izzeldin Kamil Amin, Phillip Bilsby, Massimiliano Vassallo, Tao Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the machine learning architecture learns to output the FK transform of the coherent signal and interference noise, which are used to calculate...

Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)

Kristof De Meersman, Chris Ansorger

Search and Discovery.com

...Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015) Kristof De Meersman, Chris...

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... data usually contain various types of noise. Noise comes from signal collection environment, equipment (current noise), micro seismic, etc. Noise...

Noise Identification in Passive Seismic Hydrocarbon Reservoir Microtremor Data

Muhammad Fadhillah Akbar, Afnimar, Andri Dian Nugraha, Dimmas Ramadhan, Guntur Mulyanagara

Indonesian Petroleum Association

... Hz. This spectral anomaly is called Hydrocarbon Microtremor (HM) signal. Analysis of this characteristic spectral anomaly has been used...

Induced polarization chargeability calibration standards

John E. E. Kingman, Terry J. Ritchie, Peter Rowston*

Petroleum Exploration Society of Australia (PESA)

... signal level for a specific time gate used in practice, to a different time gate used as a theoretical standard, it becomes axiomatic that a standard...

Abstract: Hurrah for Hussah! Analysis of Stacked Data from a Low-frequency Seismic Data Acquisition Experiment at Hussar, Alberta; #90174 (2014)

J. Helen Isaac and Gary F. Margrave

Search and Discovery.com

... the greatest variation in power over the signal band and the least power at high frequencies. Bandpass filtering the otherwise unfiltered data...

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

... capture signal and noise in separate parts of LWD’s data reconstruction. We also discuss results from applying the method to synthetic data...

Thin Layer Imaging by Wavelet Transform Enhancement

Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama

Indonesian Petroleum Association

..., followed by signal enhancement of a selected time slice. The ‘blueing’ method is a concept derived from ‘coloured’ inversion (Lancaster and Whitcombe...

Monitoring Hydraulic Fracturing Fluid Movement Using Ground-Based Electromagnetics, With Applications to the Anadarko Basin and the Delaware Basin NW Shelf

Mark S. Hickey, Santiago Treviño III, Mark E. Everett

Unconventional Resources Technology Conference (URTEC)

...) as the response to a background conductivity structure σp(r), i.e. the response produced by the interaction of the transmitted signal...

Abstract: Milankovitch-Controlled Paleoclimate Signal Recorded by Rock Magnetics, Lower Cretaceous Platform Carbonates of Northern Mexico, by Linda A. Hinnov, David Anastasio, Diana Latta, Ken Kodama, and Maya Elrick; #90078 (2008)

Search and Discovery.com

Multi-Resolution Stacking of Seismic Attribute Calculations Based on Post-Stack Seismic Characteristics to Enhance Image Quality

Search and Discovery.com

A seeded approach to deblending OBN data

Carsten Udengaard, Indranil Samanta, Richard Huang, Eric Camarda, Yi Xuan

International Meeting for Applied Geoscience and Energy (IMAGE)

... will combine inversion deblending along with a signal model with high confidence to achieve better deblended results, and is faster and lower in cost...

Milankovitch-Controlled Paleoclimate Signal Recorded by Rock Magnetics, Lower Cretaceous Platform Carbonates of Northern Mexico

Linda A. Hinnov, David Anastasio, Diana Latta, Ken Kodama, Maya Elrick

Search and Discovery.com

...Milankovitch-Controlled Paleoclimate Signal Recorded by Rock Magnetics, Lower Cretaceous Platform Carbonates of Northern Mexico Linda A. Hinnov...

Empirical Mode Decomposition (EMD) of Turner Valley Airborne Gravity Data in the Foothills of Alberta, Canada; #41581 (2015)

Hassan Hassan

Search and Discovery.com

... not necessarily match varying nature of signals and this will lead to the loss of some useful information in the signal. Since potential field data...

Reduction of the Seismic Data Management Problem by Sign Bit Recording

J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby

Indonesian Petroleum Association

... that is a function of redundancy through repeated shots, sweep correlations or stacking. The method requires that the coherent signal to random noise ratio be less...

Abstract: Analysis of the Low Frequency Content of Seismic Data Acquired During an Experiment at Hussar, Alberta, Canada; #90187 (2014)

J. Helen Isaac, Gary F. Margrave, Monika Deviat, and Pam Nagarajappa

Search and Discovery.com

... reduction and signal enhancement techniques, such as coherent noise attenuation, spiking deconvolution and amplitude scaling. After processing...

Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach

Badsha Basu Roy

Indonesian Petroleum Association

... of interpreted surface. A 3D seismic time migrated volume is used as input to generate spectrally decomposed signal envelope frequency gathers...

The deblending processing of multi-well 3D DAS-VSP data in the Middle East

Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... the effective major source signal from the massive blended offshore 3D DAS-VSP data, which was the world largest multi-well (6 wells in 1st location...

Analyzing the impact of additive and multiplicative noise on seismic data analysis

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 1979); (Derode and Fink, 1998); (Goodman, 2007), distorts the signal through multiplicative factors, complicating the success of suppression efforts...

From geophone arrays to point receivers: Implications for sensor and land survey design

Nicolas Goujon, Tom O’Toole

International Meeting for Applied Geoscience and Energy (IMAGE)

... sensors has lower signal-to-noise ratio (SNR) than that acquired using geophone arrays due to noise attenuation in the array. However, the benefits...

Application of Lift Technique before Spectral Decomposition to Re-Model Channel Distribution in the Sungai Gelam Field, Jambi

Agi Robby Rizaldi, Firman Fauzi

Indonesian Petroleum Association

... INTRODUCTION Traditional noise attenuation methods attempt to separate signal from noise by transforming data into a domain, where the signal or noise...

An improved Holo-Hilbert spectral analysis guided by fast matching pursuit

Chaohe Wang, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... signals. Nevertheless, these methods are all based on additive expansions, and cannot represent the nonlinearity of signal, which is achieved through...