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...

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...

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...

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...

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...

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...

A Sound Exposure Level (SEL) Study for a 3D Seismic Survey off the WA Coastline, Browse Basin

Andrew S. Long, Jens F. Wisløff, Jaafar Ali, Averrouz Mostavan, David Hedgeland, Alec J. Duncan, Amos L. Maggi, Jeremy Colman

Petroleum Exploration Society of Australia (PESA)

... in this study as applying directivity' (energy radiation patterns) over zero signa l. The units of SEL are dB re 1 ~Pa 2 s. Th is to SEL metrics...

Thermodynamic Basis for Regularity in the Distribution of Oil and Gas Fields

M. A. Lipovskiy

Petroleum Geology: A Digest of Russian Literature

... investigators (1, 2, 3) have treated the problem of the energy directivity of the processes of conversion of oil. It has been shown that during...

Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

... loss effects, (5) spherical divergence, (6) receiver array effects, (7) receiver sensitivity, and (8) receiver vertical directivity. Surface...

Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)

Search and Discovery.com

Geologic Excursions in Southwestern California

George Dunne, John Cooper

Pacific Section SEPM

..., on the coastal piedmont of the Santa Ynez Range of the western Transverse Ranges (Fig. 1). These blind reverse and thrust faults are termed seismic sources which...

Neogene Tectonics of the East Ventura and San Fernando Basins, California: An Overview

Robert S. Yeats

Pacific Section of AAPG

... Susana fault, although other faults are also possible sources. The larger ramp at the western edge of the San Fernando and Sylmar basins is called the San...

Shallow and Intermediate-Depth Seismicity in the New Hebrides Arc: Constraints on the Subduction Process

Remy Louat, Michael Hamburger, Michel Monzier

Circum Pacific Council Publications

... of distance along the trench, which is assumed to be linear from 1 1 S to 20 ° S , and to follow an arc of a circle (centered at 1 8 . 1 S, 173.8 °E...

Comparative Evaluation of Earthquake Sources Associated with the Liquefaction-Induced Farmington Siding Landslide Complex, Northern Utah

Michael D. Hylland

Utah Geological Association

...Comparative Evaluation of Earthquake Sources Associated with the Liquefaction-Induced Farmington Siding Landslide Complex, Northern Utah Michael D...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... 19------------------------- Before addressing marine applications of Shear-waves, we should note that there exists a number of alternate sources...

Seismic Frequency Bandwidth Constraints in Deepwater Locations

Andrew Long, Iain Buchan

Indonesian Petroleum Association

..., 3/12 – 206/276 filter settings (Hz/dB per octave), 2 ms sample rate 28° C water temperature Note that any source or receiver directivity effects...