Abstract: The Value of Re-Processing Vintage Seismic Data: A Case Study From the Caspian Sea; #90310 (2017)

Karen H. Lythgoe, Charles Cooper, Lee Saxton, Nazim Abdullayev, Hasan Asgarov

Search and Discovery.com

... was taken to reduce the wavelet duration and side lobes through de-ghosting, zero-phasing and de-bubble of the source wavelet. Ensuring...

Seismic Foldout: The Gateway to India: OALP-IX Offers Industry Access to East Indias Extraordinary Hydrocarbon Basins

Neil Hodgson, Peter Hoiles, Karyna Rodriguez, Searcher

GEO ExPro Magazine

.... Then, the distribution of reservoirs through de-ghosting data and an assessment of the true nature of plays and traps is carried out. Figure 1: Left...

Australian Insights into Streamer Technology Innovations

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... below. Several historical efforts have been made to trade~ (receiver ghosting), and have a s i gnal ~to~noise com b ine the frequency spectra...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

... (with associated phase behavior) and the matching filter captures this, such that when applied to the initial migration we obtain a Qcompensated image (Wu et al...

Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield

Arash JafarGandomi, Aparajita Nath, Sergio Grion

International Meeting for Applied Geoscience and Energy (IMAGE)

... ghosting at the sea-surface when deriving the notional sources because the accelerometers measure the volume acceleration, which is directly related...

Impact of Broadband Seismic on Quantitative Interpretation Workflows; #41450 (2014)

Eivind Dhelie, Cyrille Reiser, Tim Bird, Euan Anderson

Search and Discovery.com

.... Recently, the de-ghosting has also been developed for the source side. The new source design is allowing the removal of the source ghost by having a time...

West of Shetland: SHarp Broadband 2D Regional Well Tie Survey

Ian T. Edwards, Global Multi-Client Surveys and New Ventures

GEO ExPro Magazine

... and downgoing waves. As a result the S/N within these notches is sufficient for Dolphin’s proprietary de-ghosting algorithms to recover the full bandwidth...

De-risking the Barents Sea

Kim Gunn Maver, Anongporn Intawong, Howard Nicholls, Andrea Klubicka, Spectrum, ORG Geophysical

GEO ExPro Magazine

...-ghosting Seismic data is a strong indicator of structure, and de-bubbling processing sequence, which ensures a high resolution image compared...

Priority Onboard

Ed Hagar, Polarcus

GEO ExPro Magazine

... and receiver de-ghosting, 3D demultiple, high-resolution radon and pre-stack time migration along under my desk onboard the boat, dreaming that surely we...

Seismic Foldout: A New Arcadia: Seismic Acceleration of the Nova Scotian Margin

Neil Hodgson, Karyna Rodriguez, Peter Hoiles, Julia Davies, George Kovacic, Searcher

GEO ExPro Magazine

...-ghosting (removing source and receiver notches/ghosts) which are now standard, have revolutionised imaging of sedimentology, structure, DHIs (Direct...

Angolan Kwanza Basin … Expanding Proven Opportunities

Madhurima Bhattacharya, Harrison Moore

GEO ExPro Magazine

..., as well as attenuation of the complex receiver ghost from the variable-depth streamer with 3D de-ghosting algorithms. An additional requirement...

Seismic Foldout: The path to commercial oil: Developing the Kuda Tasi and Jahal discoveries offshore Timor-Leste

Aaron Bond, Shane Westlake, FINDER ENERGY, SEARCHER

GEO ExPro Magazine

...-ghosting and full waveform inversion to enhance subsurface imaging. The original seismic data acquisition is of good quality yet does degrade slightly...

Deconvolution of upgoing and downgoing wavefields: A data example from the NOAKA OBN experiment

Tim Seher, Hassan Masoomzadeh, Yong Ren, Simon Baldock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... is applied around the direct arrival of the downgoing wavefield. In the second method, the source wavefield is derived using the cross-ghosting method...

Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration

Mazin Farouki, Felice D'Alterio, Erika Gentile

Indonesian Petroleum Association

... to those of the hydrophones, thus facilitating receiver de-ghosting and greater bandwidth in the de-ghosted data.          Certain aspects...

Multi-Source Design and Penta Source Case Study from the NWS Australia

Edward Hager, Phil Fontana

Petroleum Exploration Society of Australia (PESA)

... and conventional data were processed in an identical manner with basic de-noise, 2D SRME, de-ghosting, designature. The penta source data had the direct...

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

... ghosting with strong near-surface effects. For refraction data, which is lower fold, ghost removal can be even more important than for conventional...

Deepwater Sandakan Basin, Philippines: Exploration of a New Gas Frontier

Collin Murray

Southeast Asia Petroleum Exploration Society (SEAPEX)

... reprocessing technology, including utilisation of a refined velocity model, controlled beam migration and the application of broadband de-ghosting...

Seismic Foldout: Gippsland Basin, Australia: New Data Provides Compelling Insights in Unexplored Areas

Jarrad Grahame, CGG

GEO ExPro Magazine

..., and the latest imaging technologies. These included time-lag full-waveform inversion (TLFWI) with 15-Hz maximum frequency, 3D P-Z joint de-ghosting and de...

Seismic Foldout: Côte Dlvoire … The new West African exploration hotspot

Madhurima Bhattacharya, Misha Isakov, Paolo Gabrielli, Carl Watkins, Dan Carruthers, VIRIDIEN

GEO ExPro Magazine

... section and higher resolution thanks to de-ghosting, de-multiple and time-lag full-waveform inversion. Figure 2: W-E line through the Paon field...

Minimizing Depth Uncertainties Through Effective Seismic Processing Strategies in a Complex Geological Setting - Unlocking Deeper Potentials Offshore Indonesia

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

Indonesian Petroleum Association

... a simultaneous noise-controlled joint source and receiver de-ghosting. This vital component has proven to be a game changer in the efforts to further explore...

Lithology Discrimination through Elastic Inversion (Paper C5)

D. Ghosh

Geological Society of Malaysia (GSM)

... or Spreading 2. Angle dependent Reflection and Transmission losses 3. Angle dependent Ghosting in Marine situation 4. Inelastic Absorption 5. Internal...

Marine CSEM with a Novel Towed Acqusition System (Paper A4)

F. L. Engelmark, J. Mattsson, J. Linfoot

Geological Society of Malaysia (GSM)

... for simultaneous acquisition, the dual-sensor de-ghosting streamer will be implemented. Any kind of source signal can be used. So far we have tried the pseudo...

GEO 2018; - Abstracts, #90319 (2018).

Search and Discovery.com

Monitoring Oil and Gas Sites for Methane Leaks Using Second Generation Satellites

Jean-Francois Gauthier

Unconventional Resources Technology Conference (URTEC)

... to radiation shielding to slow down damage to the camera, and to the optical system to reduce ghosting and stray light, a performance improvement...

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... 2001. the low frequency part of the signal. This principle, which is described in GEO ExPro, Vol. 10, No.2, is a deghosting-ghosting solution which has...