Processing the first full azimuth OBN survey in Australia: a step change in imaging quality

Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton

Petroleum Exploration Society of Australia (PESA)

... in oil and gas industry to provide improved reservoir imaging when compared to conventional narrow azimuth (NAZ) towed streamer data. Its full azimuth...

Super Producers: Revealing North Sea Injectites

Noémie Pernin, Laurent Feuilleaubois, Tim Bird, Cyrille Reiser

GEO ExPro Magazine

... to understand and exploit in the past. However, the latest generation of broadband dual-sensor, towed streamer seismic data has enabled improved imaging...

Full waveform inversion of simultaneous long-offset data

Nizar Chemingui, Alejandro A. Valenciano, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... are often missing due to limited far offsets in towed-streamer acquisitions. Consequently, there has been a Figure 1. Five-vessel configuration (upper...

Abstract: From Dry-Hole to Discovery and Sanction-Ready Development in Less than Three Years: OBS-WAZ Seismic Enables West Boreas and South Deimos Discoveries and Fast-Paced Big Cat Development, by Robert F. Sloan, Fred Diegel, Mark Mc Rae, and Annemieke Van den Beukel; #90124 (2011)

Search and Discovery.com

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... ongoing. Three-dimensional (3D) broadband seismic data acquisition with long streamer, wide streamer spread, and broadband data processing with advanced...

Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... created by ocean waves, there are currents in the water layer, and close to the streamer the flow is not necessarily laminar, as shown in Figure 3...

Illuminating the Complex Geology of the UK Faroe Shetland Basin

Antonio Castiello, Gareth Venfield, Jens Beenfeldt

GEO ExPro Magazine

... acquisition azimuths. The FSB is known for having large lateral and vertical velocity gradients due to shallow injectites, alluvial deposits and intrusive...

Extended Abstract: Revitalizing an Old Field—Main Pass 73—Gulf of Mexico Shelf

Ross Saunders, Ahmed Ammar, Chuck Henry, Tim Wilkinson, Mike Frismanis, Mike Bradshaw, Jeff Codd, David Kessler

GCAGS Transactions

... and gas production region for over seventy years. With limited ability to acquire new seismic streamer data due to dense spacing of surface platforms...

Newly Acquired 2D Seismic Data Gives Insights into Prospectivity and Play Types of the Pegasus and East Coast Basins, New Zealand

M. Uzcategui Salazar, M. Francis, G. Brink, I. Guerra, K. Hayo

Southeast Asia Petroleum Exploration Society (SEAPEX)

... is at an angle to the subduction margin, which adds additional complexity due to the strike-slip movements. This lateral movement is the result...

Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea

Sören Naumann, Rune Sakariassen, PGS

GEO ExPro Magazine

.... However, model updates were limited to shallow depths due to the lack of recorded long offsets. With the unique, long offset streamer configuration...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... methodology is an evolution of the broadband processing of conventional streamer data workflow applied by Yu et al., 2014. Two seismic datasets in the Northern...

Marine Seismic Acquisition: Efficiency and Environment, New Technologies Applied in Australia

Martin Bayly, Michelle Tham, Peter Watterson, Binghui Li, Kevin Moran

Australian Petroleum Production & Exploration Association (APPEA) Journal

... in the reciprocal heading. During the turn no data is recorded, as conventionally the receivers are considered too noisy due to the cross flow around the turning cable...

Seismic Exploration in the Ganges Delta River: A Model Case of study in Transition Zones.

V. Villamizar, F. Estrada

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... are not practical or even possible: due to obstructions from well infrastructure, strong currents, shallow water and environmental factors. By having two...

Taking the Plunge

Vidar Hovland, John Thompson

GEO ExPro Magazine

... Geopublishing Limited It is sometimes said that it took nearly 30 years for towed-streamer 3D marine seismic data acquisition to truly establish itself...

Broadband Marine Seismic, Does Acquisition Make a Difference?

Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng

Indonesian Petroleum Association

... technique and other ways of creating “notch diversity” with a marine streamer. We analyze the resultant data with displays, spectra and frequency split...

New insights into the Exmouth Sub-basin: Seismic acquisition, processing and imaging

Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari

Petroleum Exploration Society of Australia (PESA)

... with a multimeasurement streamer, extends to the edges of the basin to give a complete and comprehensive picture of the subsurface. As illustrated...

Recent Developments in Marine Acquisition and Data Processing Technology to Improve Imaging through Complex Overburdens

Timothy Bunting, Jerry Kapoor, Nick Moldoveanu, Jeremy Browett

GCAGS Transactions

... to Improve Illumination The marine towed streamer technique acquires a very limited range of azimuths; generally less than 10 degrees. This is because...

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

... 3D full waveform inversion was applied to a subset of a North West Shelf of Australia narrow azimuth towed streamer dataset. Due to the relatively...

Multiple attenuation using 3D SRME with targeted demigration

Marin Petkovic, Ahmed Abouserie, Zhen Wang, Brad Wray

International Meeting for Applied Geoscience and Energy (IMAGE)

... of near offsets, low signal-to-noise ratio (S/N), and cross-talk among different orders of multiples. To remove strong residual multiples, we propose...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... Figure 2: Geology cross section (from Geoscience Australia, 2010). sources contaminate the data and require effective management to improve the imaging...

Risk Management in Exploration and Production; #41889 (2016)

Sudhir Pai, Tim Perrin

Search and Discovery.com

...) to acquire data in a safe and reliable manner managing risk: - Collect and validate Metocean data, Monitor loop and eddy currents, Surface oil slick...

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

... challenges for seismic imaging. After a decade of processing effort employing the latest imaging technology, the available towed-streamer data...

Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

...Data Enhancement from a 486-Channel Streamer Bill Dragoset, Ken Larner 1980 1 10 Foster, M. R. and Guinzy, N. J., 1967, The coefficient of coherence...

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

... Province of India is considered as one of the largest basalts-covered regions in the world, formed due to extensive outpouring of basaltic lavas during...

Abstract: Target Impedance Resolution within the Lower Cretaceous Reservoirs in the Shallow Marine Sector of the Krishna Godavari Basin

Jean Paul Roy

Southeast Asia Petroleum Exploration Society (SEAPEX)

... unconformity have been integrated with the seismic velocities to improve both the PGS acquired and processed data from 2003 six and eight streamer...