ABSTRACT: Exploration Outside of the Mute Zone; the Geophysics of a Billion Barrel Discovery in the Mature North Sea, by Lie, Jan E.; Danielsen, Vidar; #90142 (2012)

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Assessing properties of internal multiples for different geologies

Paul Ras, Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... and notch pattern for the deepest level, resembling a cumulative ghosting effect. The frequency-time (FT) plot on the right shows how the spectral components...

Kutei Basin: Feasibility Study of a Broadband Acquisition

Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele

Indonesian Petroleum Association

... the “natural earth high filter”. Starting from a standard ghosted marine source, generation of several Q filtered (at target level) wavelets with and without...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... in imaging process. Another observation is that the bubble notch of TPS, around 5 Hz, is much steeper (~ 15-20 dB) than that of the airgun array, which...

Extended Abstract: Sensing Below with Ocean Bottom Seismic

Bill Cafarelli

Petroleum Exploration Society of Australia (PESA)

.... This ghosting or reverberation obscures the subsurface image, complicating any analysis or interpretation. Receiver ghost effect. Before the advent...

Deep learning to maximize the value of fast-track 4D seismic processing

Arnab Dhara, Haron Abdel-Raziq, Denis Kiyashchenko, Asiya Kudarova, Janaki Vamaraju, Albena Mateeva, Pandu Devarakota, Kanglin Wang, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Stopin et al. (2011)) starts with denoising steps targeting incoherent noises in the common-receiver domain. The de-bubble, angular de-ghosting and zero...

Acquisition and processing of the first broadband 3D marine vibrator data in the North Sea

Arash JafarGandomi, Kara Howard, Sebastian Holland, Tiexing Wang, Sergio Grion, Thomas Elboth

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the lower frequency signals a 3Hz low-pass filter is also applied to the data (Figure 3b) showing good quality signal in the deep and Figure 2...

ABSTRACT: Variable Depth Streamer Acquisition„Benefits of Truly Broadband Marine Seismic

Robert Soubaras, Peter Whiting

GCAGS Transactions

... is a new combination of streamer equipment, novel streamer towing techniques, and a new de-ghosting and imaging technology. The method creates...

Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study

R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov

International Meeting for Applied Geoscience and Energy (IMAGE)

...). Conventional seismic data is recorded using hydrophones containing a low-cut filter in their response, which is not the case for fiber optic cable...

Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia

Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow

International Meeting for Applied Geoscience and Energy (IMAGE)

... filter panels, illustrating the frequency content in the final Q-PSDM seismic dataset. Useable information representative of the geology down...

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... filter 14-55 Hz and an exponential gain recovery factor of 1,2 applied. Velocity filtering is then applied to separate the up and downgoing wavetrains...

The Use Of Full Waveform Inversion And Other Advanced Seismic Processing Techniques To Improve An Already Good Dataset – Nong Yao Field, Gulf Of Thailand

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Abstract: Evaluating New Designs of Land Hydrophones and Geophones for Permanent Reservoir Monitoring, by R. Burnstad, A. Bakulin, R. Smith, and M. Jervis, #90188 (2014)

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Abstract: Redefining Jurassic and Triassic Play Fairway Limits on the Ashmore High Using Depth Migrated, Broadband 3-D Seismic Data; #90310 (2017)

David Eastwell, Julian Mather, Karyna Rodriguez

Search and Discovery.com

...-ghosting (Broadband), and modern denoise and demultiple processes has resulted in a significant uplift in seismic imaging over the original 3D...

Abstract: Effective Delivery of Reservoir Compliant Seismic Data Processing; #90310 (2017)

Arash Jafargandomi, Celine Lacombe, Vimol Souvannavong, Henning Hoeber

Search and Discovery.com

...-multiple or de-ghosting. We employ a set of statistical and deterministic measures throughout this processing sequence that indicate the quality...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

... information and finally shaping to a zero phase wavelet. Removing the ghosting effects from the source wavelet typically leaves an amplitude spectrum...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... closely spaced temporal and spatial sampling; (2) FIG. 2. Left: Raypath diagram illustrating the concept of sea-surface ghosting. Raypaths are shown from...

The Hoop Area: New Testing Ground for Geophysical Technologies

Bent Kjølhamar

GEO ExPro Magazine

... (controlled-source electromagnetic) coverage. Noteworthy among the new technologies tested are seismic de-ghosting processing techniques, P-Cable...

Interpolation Using Higher Dimensions: A Case Study ON KE2 Three-Dimensional Transition Zone Seismic Survey, Madura Field, Indonesia

Cecep Sutisna, Frans Langitan, Vishal Kumar, Keat Huat Teng, Pongga Wardaya

Indonesian Petroleum Association

... related multiple elimination (SRME) and source de-ghosting to the preprocessing flow (before 5D interpolation) followed by pre-stack time migration (PSTM...

ABSTRACT: Attenuating Seismic Interference Noise Using a Dual Sensor Streamer, by Caselitz, Bertrand; Monir, Emad; Halim, Abdallah; #90141 (2012)

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ABSTRACT: A System for Ghost-Free Marine Seismic Acquisition, by Fromyr, Eivind; Pharez, Stephen; #90141 (2012)

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Subsalt Seismic Imaging Advances in the Mexican Petroleum Provinces

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The Port Isabel Fold Belt: Neogene Gravitational Spreading in the East Breaks, Western Gulf of Mexico

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South Gabon Shallow Water Pre-Salt Play Creaming Curve Revival

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ABSTRACT: Using Dual-Sensor Streamers to Address Seismic Imaging Challenges in OML 133, Offshore Nigeria; #90115 (2010)

Chris Tapie, Yvonne Paisant, Per Eivind Dhelie, and Robert Lory

Search and Discovery.com

... surface ghosting. Erha time-lapse 4D surveys—acquired with intermediate 5 m source and 6 m streamer tow depths—are an example of this design compromise...