Spikes in Your Acquisition? Ž How to Minimize their Impact through Field and Processing Techniques.

Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... prior to this type of control. Different techniques were used to attenuate spikes during processing: random noise attenuation, trace equalization...

Application of Frequency-Dependent Attributes for Gas Prospect Identification

Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis

International Meeting for Applied Geoscience and Energy (IMAGE)

... by analyzing anelastic attenuation is difficult, because of the poor signal to noise (SNR) ratio due to the attenuation itself (Dasgupta, 1998. Barnes...

An analytical model for squirt flow and viscous shear relaxation in porous rocks

Yury Alkhimenkov

International Meeting for Applied Geoscience and Energy (IMAGE)

... rocks exhibit attenuation and velocity dispersion in a broad range of frequencies. At sonic and ultrasonic frequencies, the attenuation is mainly...

Abstract: Beyond the Dots in the Box - Microseismicity-Constrained Fracture Models for Reservoir Simulation; #90172 (2014)

Leo Eisner, Sherilyn Williams-Stroud, Andrew Hill, Peter Duncan, Mike Thornton

Search and Discovery.com

... or reactivated during the fracture treatment, and may ultimately be used to generate fracture flow properties for reservoir simulation. Introduction...

Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE

Shaun Strong, James Alderman, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

..., Mini-SOSIE, S-wave, Converted-wave INTRODUCTION When planning an open-cut coal mine it is important to gain as much information as possible about...

Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... velocity model. Introduction A large part of the energy put into the ground in land seismic data acquisition appears as coherent noise in the form...

Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)

Eric M. Takam Takougang and Andrew J. Calvert

Search and Discovery.com

... quantitative images of the P wave velocity and attenuation factors, following a specific data preconditioning and inversion strategy. The field data were...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... model building, noise attenuation, receiver de-ghosting, water-bottom de-multiple, Reverse Time Migration (RTM) and simple poststack processing...

Key Features of TEM and EM-IP Investigations in South-East Asia (Paper P45)

Y. A. Agafonov, I. V. Bouddo, I. V. Egorov, M. M. Salleh

Geological Society of Malaysia (GSM)

... signals were affected by periodic noise with a frequency of 50 Hz as well as its multiple harmonics. An example of the signal and spectrum affected...

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)

... filter was applied in order to attenuate tube wave noise present in the raw data. The up-going wavefield was separated and additional noise attenuation...

Shallow Water Seismic Operations on the North West Shelf

T. J. Allen, D. Brown, J. Wardell

Petroleum Exploration Society of Australia (PESA)

... attenuation of linear noise, and a designature type of deconvolution. This latter process is a statistical deconvolution (Wardell, 1983), with a single...

Fluid-Filled Fractures Mapping Using S-Wave Attenuation on Microseismic Events

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Application of Sonic Waveform Attributes in Reservoir Studies

R. Gir

Geological Society of Malaysia (GSM)

... logging data. In this paper several field examples will be shown and the data explained with borehole acoustic theory. INTRODUCTION For the past 20...

Unveiling and Imaging Karst Through Refined Wavefield Separation

Riaz Alai, M Afiq B Mokhtar, Yonghe Guo, Pongga Wardaya, Jun Wang , Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... subtraction, SEG, San Antonio Wang, M. and Hung, B., 2014, 3D Inverse Scattering Series Method for Interbed Multiple Attenuation. 76th EAGE Annual...

Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)

Xinxiang Li and Jeff P. Grossman

Search and Discovery.com

.... Transverse-componentbased methods tend to lose stability at low signal-to-noise ratios when marginal splitting occurs, such as in deeper hydrocarbon...

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

... these spectra for comparison with power spectral densities of ground motion and sensor self-noise are shown. It turns out that the intrinsic attenuation between...

Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)

Zhengsheng Yao and Mike Galbraith

Search and Discovery.com

...-frequency spectral decomposition and this decomposition effectively performs seismic data noise attenuation because it uses a wavelet dictionary and sparse...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... and multiple problem. The high velocity carbonates trap energy in the form of guided waves which, as this noise energy returns to the surface and is recorded...

Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration

Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

...Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub...

Petroleum Hydrocarbon Monitored Natural Attenuation: Essential Framework for Remedial Managers

Kevin W. DaVee, Dee Ann Sanders

Environmental Geosciences (DEG)

... attenuation, passive bioremediation. Introduction Natural attenuation, also called intrinsic remediation, represents the ability for contaminated...

Refined Karst Feature and Fault Identification Through Integrated Wave Field Separation and Imaging of Diffraction Energy

Riaz Alai, Afiq Mokhtar, Christopher Lee Slind, Yonghe Guo, Rizki Krishna Pratama

Indonesian Petroleum Association

..., IPA18-351-G. Wang, M. and Hung, B., 2014, 3D Inverse Scattering Series Method for Interbed Multiple Attenuation. 76th EAGE Annual Conference and Exhibition...

The Characterization of Fracture Mechanisms Using a Combination of Surface Microseismic Imaging, Microdeformation Modelling, and Downhole Microseismic Mapping: an Examination of the Value of Moment Tensor Migration Imaging

Raquel Velasco, Kit Chambers, Stephen A. Wilson

Unconventional Resources Technology Conference (URTEC)

... shear, deformation. Limits are placed on the applicability of tilt measurements because of environmental noise and the attenuation of observed tilt...

The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source

D. W. Thompson

Petroleum Exploration Society of Australia (PESA)

... Attenuation The attenuation of unwanted noise trains by charge design is one of the principal advantages of the 'Geoseis ' system. Attenuation occurs...

A Technical Comparison of Downhole Methods through Fiber Optic VSP, in the Eagle Ford Formation

Joe Teff, Ken Silver, David Langton, Dan Kahn, Jarret Borell, J. Andres Chavarria

Unconventional Resources Technology Conference (URTEC)

... of a multiple laser interrogator into the same fiber for enhanced signal to noise ratio. Initial analysis of the Zero Offset (ZO) records as recorded...

Extended Abstract: The Permian Play Ground: Unlocking the Potential of the Tinowon Sandstone

Barry Smith

Petroleum Exploration Society of Australia (PESA)

... out by Total Depth Pty Ltd in Perth, WA. Waggamba line 82-B52 was first subjected to noise attenuation using localised principal component analysis...