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The AAPG/Datapages Combined Publications Database

Showing 71 Results. Searched 195,354 documents.

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Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

.... To preserve that detail, however, the time delays used in the beam-steering must be tailored to align the array effectively with the arriving wavefronts...

1980

High-resolution Measurements of Elasticity at Core Scale. Improving Mechanical Earth Model Calibration at the Vaca Muerta Formation.

Anton Padin, Gilles Pijaudier-Cabot, Alain Lejay, Hamid Pourpak, Jean-Philippe Mathieu, Atef Onaisi, Gregory Boitnott, Laurent Louis

Unconventional Resources Technology Conference (URTEC)

... velocity gage (Naik et al., 2003; Trtnik et al., 2009) measuring the transit time of the P- and S-wavefronts generated by a piezoelectric transducer...

2019

Australian Insights into Streamer Technology Innovations

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... a conventional source array (upper) has all source elements fired simultaneously the (down-going) primary and ghost source wavefronts are parallel...

2009

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... as this point of view is, it is more realistic to think in terms of a wavefront, the location of the disturbance resulting from a source. Wavefronts...

1977

Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., noise, spherical spreading, emergence angles, reflector curvature, spherical wavefronts, transmission co-efficients, inelastic attenuation...

1990

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

..., but a static correction of necessity assumes a vertical direction of propagation; and only wavefronts traveling at any angle convey information...

1981

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

... the nuances in anisotropy kinematics, the association details for wavefronts and “socalled rays” progression velocities with their analytical front...

Unknown

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

... the nuances in anisotropy kinematics, the association details for wavefronts and “socalled rays” progression velocities with their analytical front...

Unknown

Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... data, seismic events are sparse, i.e. energy is mostly concentrated at wavefronts that reflect from sub-surface reflectors, which means that if we...

2015

Wave-Front Diagrams in Seismic Interpretation

H. R. Thornburgh

AAPG Bulletin

.... 4) on the first underlayer line which will be on one of the wavefronts. (In the figure, the point A happens to coincide with the surface-first...

1930

Permafrost Studies in the Norman Wells Region, Northwest Territories

P. J. Kurfurst, R. M. Isaacs, J. A. Hunter, W. J. Scott

CSPG Special Publications

... spacing of the wavefronts under the roadbed, resulting from lower seismic velocities, indicates that permafrost is absent. The north half of the plot...

1973

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... velocity model is shown in green derived from a sonic log. Eikonal-based wavefronts are shown illustrating incident angles along the well from both sources...

2019

Assessing Single and Multiwell Fiber Optic Data for Microseismic Monitoring: An example from HFTS2

J. Andres Chavarria, Gustavo Ugueto, Yassine Oukaci, Lisa Laflame

Unconventional Resources Technology Conference (URTEC)

.... Analysis of the various fiber configurations revealed clear wavefronts in both horizontal and vertical portions of the B3H and B4H wells (Fig. 2). Arrivals...

2022

An Explanation of the Logarithmic Spiral Plan Shape of Headland-Bay Beaches

Paul H. Leblond

Journal of Sedimentary Research (SEPM)

... is defined by the curve r = R() (Fig. 1). Under conditions of zero longshore transport, wavefronts are normally incident on the shore and the travel...

1979

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

...) Where s is the arc length of wavefronts and v(x) is velocity at point x. Equation 2 works based on Snell’s law at grid boundaries and the Fermat...

2022

Characterizing the Seismic Response of Naturally Fractured Basement Reservoir in Sumatra Area: Towards an Efficient Seismic Exploration Strategy

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

Indonesian Petroleum Association

... the fractures, we can observe low frequency guided wave trapped within the fracture as result of complex interference between wavefronts that have...

2021

Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.

Alistair R. Brown

AAPG Special Volumes

... patterns from points and edges. Seismic wavefronts travel in three dimensions and thus it is obvious that all the above are, in general, three...

2011

Multiscale Seismic Models of Complex Fracture Networks

Richard L. Gibson Jr., Yalchin Efendiev, Judith Chester, Yongchae Cho, Edith Sotelo

Unconventional Resources Technology Conference (URTEC)

... direction. This is why wavefronts in simulation results in Figure 3 are elliptical and elongated in the direction parallel to fractures, despite...

2017

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... at a specific source did not propagate in one direction but expanded in a series of spherical wavefronts, reflecting from all different directions...

2021

Relation of Subsalt Structures to Suprasalt Structures During Extension

D. D. Schultz-Ela, M. P. A. Jackson

AAPG Bulletin

... structures because of their (1) steep contacts and high seismic velocity contrasts, which severely refract seismic wavefronts, (2) highly variable...

1996

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... parameters (Emergence angle, curvatures of hypothetic wavefronts Kn and Knip of a simulated zero offset ray) a much improved velocity field is reached because...

2008

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