Abstract: Duplex Wave Migration … Imaging Vertical Boundaries; #90211 (2015)

Brian Link and Naum Marmalevsky

Search and Discovery.com

... with dips from 0 to about 75 degrees. For vertical or near vertical events conventional methods rely on turning wave technology that will only...

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... as below: 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) Hydrophone-geophone (PZ) composition: deghosting Turning wave tomography for long wave...

Experiences with Dual-Sensor Towed Streamer Acquisition and Imaging in the Eastern Mediterranean, #41831 (2016).

Martin Widmaier, Oystein Lie

Search and Discovery.com

... utilising reflected waves only to diffracted wave and turning wave modes. Conclusions New streamer acquisition and imaging technology has provided...

Laramide Mountain Flank Deformation and the Golden Fault Zone, Jefferson County, Colorado

Robert J. Weimer, R. Randy Ray

Rocky Mountain Association of Geologists

... PRE-STACK 5) KIRCHOFF TIME MIGRATION 6) TURNING WAVE TIME MIGRATION 7) PRE-STACK DEPTH MIGRATION PROCESSING SEQUENCE 1) WEATHERING CORRECTIONS 2...

Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)

Tianfei Zhu, Yan Yan, and Jon Downton

Search and Discovery.com

... with a negative gradient. shadow zone on the surface where no turning-wave arrivals are observed. The width of this shadow zone depends on the severity...

Abstract: Seismic Imaging of Complex Subsurface Structure, Western Flank of Denver Basin, by S-T. Hu and T. L. Davis; #90982 (1994).

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Abstract: Supervirtual S-wave Refraction Interferometry for Converted Wave Statics and Near-Surface S-wave Velocity Model Building; #90224 (2015)

Kristof De Meersman and Yoones Vaezi

Search and Discovery.com

... at high take-off angles making them ideally suited for refraction and turning wave analysis. However, S-wave refractions are rarely used because...

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

... or turning wave arrival. Here, the assumption of turning wave was used to transform time-offset first-arrival into velocity-depth model. Figure 1 shows...

Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)

M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer

Search and Discovery.com

...). An intermediate route to addressing turning wave energy using a one-way WE scheme is to employ the two-pass one-way scheme. In this approach, we first downward...

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

... surface was estimated using first arrival turning-wave tomography. The near surface velocity model was incorporated into the overall velocity model using...

Miocene Deposiiton and Petroleum Geology - Northern Gulf of Mexico - Workshop Summary

Richard Fillon, Paul Lawless

PTTC

... moveout, advanced post-stack time migration algorithms, turning wave migration, 3-D amplitude versus offset processing, ray-trace analysis, post-stack depth...

Imaging Seismic Data with High Resolution Gravity Data.

R. Opfer

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... the deeper reflectors. These methods include hand static corrections, auto correlation methods, refraction analysis, and turning wave tomography...

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

... a solution that is comprised of amplitude and frequency recovery prior to the imaging step, combined with the use of Diving (or Turning) Wave Tomography (DWT...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... the severe steep dip and turning wave limitations of typical wave equation migrations. Economics often force aperture limits in Kirchhoff migration which...

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... applied to the North West Shelf dataset. Figure 6 - Ray tracing QC validated the lack of turning wave energy present in Shot A (west side of model...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

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Controls on Facies Architecture of a Large Triassic Carbonate Platform: the Great Bank of Guizhou, Nanpanjiang Basin, South China

Daniel J. Lehrmann , Jiayong Wei , Paul Enos

Journal of Sedimentary Research (SEPM)

... the deposit. Development of oncoids requires episodic turning by wave or current action so that cryptalgal laminae do not preferentially encrust one...