Depositional Processes, Sedimentary Structures, and Predicted Vertical Sequences in Barred Nearshore Systems, Southern Oregon Coast

Ralph E. Hunter, H. Edward Clifton, R. Lawrence Phillips

Journal of Sedimentary Research (SEPM)

...: Acta Hydrophys., v. 7, p. 105-150. BAGNOLD, R. A., 1947, Sand movement by waves: some small-scale experiments with sand of very low density: Inst...

Memorial: Robert F. Dill (1927-2004)

Eugene A. Shinn

AAPG Non-Technical and Memorials

... booming voice was full of enthusiasm. Bob Dill and I hit it off so well he stayed for the weekend to go scuba diving. He dug holes in the sand, and near...

(Movie Film) "Rivers-of-Sand" and Other Erosional Processes in Submarine Canyons: ABSTRACT

Robert F. Dill

AAPG Bulletin

...) Observations of the sediment and micro-relief found in submarine canyons from the Trieste I and II, Cousteau's diving saucer, and by SCUBA diving indicate...

Sedimentological Sampling and Results from the Diver Lock-Out Facility of the Submersible Shelf Diver, Bay of Fundy, Nova Scotia

Bernard R. Pelletier

Atlantic Geology

... sand waves in that area with the aid of underwater photography, television and video-tape replay. The final project of the geological program...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

... apply some pre-processing procedures including muting on the dataset to remove the reflected waves and keeping only the diving and refracted waves...

Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia

Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... in the overburden using early arrivals, diving waves and refractions. Full waveform inversion The APPEA Journal 887 500 (a) Depth(m) 1500 3000 500 (b) 1500...

Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology

Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung

Petroleum Exploration Society of Australia (PESA)

... THE ABSORPTION MODEL The starting model for FWI is from the 2010 vintage PSTM velocity converted to depth with proper smoothing. Here, diving waves...

Part 3: Support Data (A)

Francis P. Shepard, Neil F. Marshall, Patrick A. McLoughlin, Gary G. Sullivan

AAPG Special Volumes

...). Because it is well-known that internal waves move across the continental shelf producing a repetition of the wave pattern (LaFond, 1962), it may...

Dynamic Ice-Wallow Relief of Northern Alaska's Nearshore

Erk Reimnitz, Edward Kempema

Journal of Sedimentary Research (SEPM)

..., Observations on ice deposited by waves on Alaskan arctic beaches, in Dionne, J. C., ed., La Revue de la Geographie de Montreal, v. 30, Nos. 1-2, p. 115-122...

Part Two: Field Trip on the Southern Shelf

New Orleans Geological Society

... of the boats, in the water, and in the sun. Most of the diving localities include both deep and shallow water, therefore a buddy system...

Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging

Virgilio Massimo, Stephen Hallinan, Marco Mantovani

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... as diving waves (pre-migration step) and common image gathers (post-migration step) using standard Kirchhoff migration pre stack algorithm. Figure 4 shows...

New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania

Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In shallow water areas FWI used diving waves to resolve the complex velocity in the near surface including the seafloor canyons. General moveout (GMO...

The Future of Exploration

Valente Ricoy, Friedrich Roth

GEO ExPro Magazine

... of the poor commercial success rate, standing at about 12% worldwide (Westwood Global Energy, 2019). Diving deeper into well results, it has been noted...

Laminar Micrite Crusts and Associated Foreslope Processes, Red Sea: REPLY

T. C. Brachert , W. C. Dullo

Journal of Sedimentary Research (SEPM)

...). Second, these carbonates exhibit no fundamental change in character from 120 m below sea level down to 215 m below sea level, which is the diving...

Paleocurrents and Shoreline Orientations in Green River Formation (Eocene), Raven Ridge and Red Wash Areas, Northeastern Uinta Basin: REPLY

M. Dane Picard

AAPG Bulletin

... Picard 1967 2471 2475 51 12. (December) Bagnold, R. A., 1946, Motion of waves in shallow water. Interaction between waves and sand bottoms: Royal Soc...

Bedforms and Structures Associated with Bar Topography in the Shallow-Water Wave Environment, Kouchibouguac Bay, New Brunswick, Canada

Robin G. D. Davidson-Arnott, Brian Greenwood

Journal of Sedimentary Research (SEPM)

... produced by megaripples in seaward flowing rip-currents which dissect the bar; (3) repetition of the sequence of bedforms and structures as waves shoal...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... waves, and primary and multiple reflections. Most FWI methods deal with the diving and primary waves first, and leave multiples as interferences...

Subsalt image optimization in the Gulf of Mexico combining sparse OBN and legacy streamer data

Hongyan Li, Ruoyu Gu, Jarrod Hutson, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... to separate the shallow reflections with higher SNR from the deeper dipping events with lower SNR, which are mainly imaged from diving waves...

Integrating legacy data with new towed-streamer acquisition tuned for imaging objectives: A Campos Basin case study

Jon Burren, Derek Unger

International Meeting for Applied Geoscience and Energy (IMAGE)

.... As expected from the presurvey modeling exercise, the FWI using the diving waves penetrated through much of the sedimentary over burden and salt allowing...

Revisiting the Brazilian Equatorial Margin with FWI and its impact on interpretation in an exploratory frontier

Diego Costa, Edmarley Ramos, Giuseppe Loconte, Filipe Rudrigues, Olivier Brachet

International Meeting for Applied Geoscience and Energy (IMAGE)

...), lowfrequency content, and azimuthal information typical of NATS data can severely hinder the stability and robustness of FWI. In this area, diving waves only...

Sparse OBN acquisition in shallow water at CCS Sleipner field: The role of multiples in FWI

Sandrine David, Eddie Cho, Graeme Stock, Fons ten Kroode, M.A.H Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... illumination and data coverage. At low frequencies, FWI predominantly relies on diving wave energy where the sparsity of the nodes is not a problem whereas...

Improved channel imaging using full-waveform inversion for deepwater Lingshui giant gas reservoir in South China Sea

Tao Wu, Dun Deng, Zijing Gong, Jie Cui, Rong Li, Lianlian Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

.... By using full record length reflection and diving waves, the workflow combining AdFWI, LSFWI and multi-scale CIP tomography is effective in updating both...

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... long. Given the short cable length, ray-based modeling of the diving waves through the starting model indicated an expected maximum depth of penetration...

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

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... and diving waves in complex media. In this instance, the refraction tomography produced a high-resolution velocity model, identifying localised high-velocity...

Terang Sirasun: Indonesia's First Diverless Subsea Production System?

John Brownridge, Daniel Jayson, Rudy Harjoto

Indonesian Petroleum Association

... and sweet with less than 0.1% CO2 (Table 2, 3), while at the surface, environmental conditions (wind, waves and current) are very mild in comparison to other...