High-resolution classification of subsurface features from directional image gathers, based on Principal Component Analysis and Deep Learning methods

Search and Discovery.com

ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)

Khalid Alrufaii, Kangan Fang

Search and Discovery.com

... exploration and development efforts. The resolution of seismic data is affected by many factors such as acquisition layout, strength and directivity...

Abstract: Is Magnitude the Parameter of Choice for Induced Seismicity Regulations?;

Alexandros Savvaidis, Pierre-Francois Roux, Florentia Kavoura

Search and Discovery.com

..., peak ground motion is critically controlled by parameters such as but not limited to site condition, source directivity, distance, and source...

Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project

Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson

Petroleum Exploration Society of Australia (PESA)

...Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project Sinem Yavuz, Julia Correa, Roman...

The application of phased-array vibrator system in deep seismic exploration

Minghao Yu, Xiangbo Gong, Xiaojie Wan

International Meeting for Applied Geoscience and Energy (IMAGE)

... theory As shown in Figure 1, assuming that there are � seismic sources on the surface, which are �1、�2 、 ⋯、�� , the distance between two adjacent sources...

How Can We Reduce the Environmental Impact of Marine Seismic Surveys?

Andrew Long, Mickael Bastard, Endrias Asgedom, Jens Fredrik Wisløff, Magnus Christiansen

Australian Petroleum Production & Exploration Association (APPEA) Journal

... Abstract. Marine seismic sources emit acoustic energy in the form of the seismic wavefield used for the remote sensing of subsurface impedance contrasts...

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)

... in the τ-p domain. A phase-only Q compensation was applied to compensate for phase effects due to attenuation. Directivity correction was tested...

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

...-linear least-squares acoustic RTM (Kalinicheva et al., 2020). The speed, repeatability and high-signal-to-noise of the FWI approach, provide advantages...

Abstract: Building Better Models … Making Full Use of Petrophysical Data; #90211 (2015)

Elizabeth L’Heureux

Search and Discovery.com

... scale models, the small-scale heterogeneous component is often superimposed on some deterministic trend (often simply taken as a linear best fit...

3D ultra high resolution seismic processing „ A case study from offshore USA

Bertrand Caselitz, Luca Limonta, Julien Oukili, Jonas Tegnander, Vicky Catterall

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Three seismic sources in the form of dual-stacked Sparkers are strategically positioned above the front of the streamer spread, minimizing...

Anisotropy analysis from 3D VSP surveys acquired at Otway site

Sofya Popik, Andrej Bona, Roman Pevzner

Petroleum Exploration Society of Australia (PESA)

..., the quality of DAS data is not as high as geophone data because of the directivity issues of DAS, where DAS cable is not sensitive enough to register...

Restoring High Resolution in Surface Seismic Data

Search and Discovery.com

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... seismic wavefront. In this process we make no attempt to correct the arrival time (or linear phase) distortion. These travel time effects can be addressed...

Acquisition geometry design based on full-wavefield migration

Billy A. Revelo Obando, Gerrit Blacquire

International Meeting for Applied Geoscience and Energy (IMAGE)

... constraints. In traditional acquisition geometries, seismic sources and receivers are laid out in (straight) lines. The spacing between receivers...

Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... be deployed in the flip-flop mode necessary for 3D broadband surveys and has all the benefits of a standard marine source in terms of robustness, directivity...

ABSTRACT: An iterative method for identifying seismic objects by their texture, orientation and size; #90007 (2002)

Paul Meldahl and Roar Heggland, Bert Bril and Paul de-Groot

Search and Discovery.com

... (e.g. Meldahl, 1998) we do not need to limit the directivity strength to avoid smearing, because we can focus on specific object types...

Subsurface Fracture and Stress Determination using In-situ Full Azimuth Seismic data and Orthorhombic Imaging and Inversion

Search and Discovery.com

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... years ago the only option available was the traditional towed streamer, albeit with the vessel towing two streamers and perhaps two sources, now...

Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)

Faranak Mahmoudian and Gary F. Margrave

Search and Discovery.com

...), and are able estimate the fracture orientation quite accurate. By knowing the fracture orientation, we have modified the linear PP reflection coefficient...

Seismic Hazard Evaluation of the Magna Tailings Impoundment

Ivan Wong, Susan Olig, Robert Green, Yoshi Moriwaki, Norm Abrahamson, Dale Baures, Walter Silva, Paul Somerville, Dick Davidson, Joergen Pilz, Bob Dunne

Utah Geological Association

... using both deterministic and probabilistic approaches. Seismic sources in and around Salt Lake Valley such as the Wasatch, West Valley, Oquirrh...

Hearing with Light!

Paul Wood

GEO ExPro Magazine

... a wide frequency range and with a 120dB dynamic range at every point along the fibre. Directivity, equivalent to threecomponent recording...

ABSTRACT: THERMAL EVOLUTION OF ORGANIC MATTER AND SECONDARY HYDROCARBON GENERATION FROM UPPER PALEOZOIC COAL MEASURES IN HUABEI AREA

Liquan Zheng, Xianqing Li, Ningning Zhong, Xia Lu, Xiangkun Guo

The Society for Organic Petrology (TSOP)

... in the areas where the tectonic-magmatic activities are weak after the period of coal formation. 4.The strip of coal rank has obvious directivity. Especially...

Permeability Anisotropy in Microsucrosic Dolomites

Perry O. Roehl

Bulletin of South Texas Geological Society

..., expressed semi-logarithmically. The array is not perfectly linear, probably because these values of porosity and permeability are strongly influenced...

Feasibility and QC of 4D Reservoir Monitoring Projects

Andrew Long, Per Arild Reksnes, Barbara Kajl, Martin Widmaier, Sverre Strandenes

Petroleum Exploration Society of Australia (PESA)

... ta rget oriented ana lysis of directivity, azimuth & offset effects, stack response and 3D reflection point coverage analysis. Noise The benefits...

Innovation and Instrumentation in CO2 Monitoring Wells for Reservoir Surveillance and Advanced Diagnostics

Paul Barraclough, Mohamad Bagheri, Charles Jenkins, Roman Pevzner, Simon Hann, Kelvin Wuttke, Stoyan Nikolov, Michael Mondanos

Australian Petroleum Production & Exploration Association (APPEA) Journal

... fibre optic cables and fixed seismic sources located nearby the injection site (Yavuz et al. 2020; Correa et al. 2017b, 2018), and; (ii) Active pressure...