Currents in Submarine Canyons and Other Types of Seavalleys

Francis P. Shepard

Special Publications of SEPM

... that from deep diving vehicles they can be seen to to stir up the fine sands and silts that on the intermediate floatation are so common floors...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... of 20km were recorded to provide diving waves needed for detailed velocity inversion. The dense wide-azimuth design resulted in a high fold of over...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... by simultaneously minimizing the traveltime errors of both reflection and refraction data. Refraction waves mainly propagate laterally and thus provide...

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

... (diving) raypaths are involved, or when multiples are being generated. In addition, approximations in the extrapolation techniques usually limit the dips...

Geologic Use of Self-Contained Diving Apparatus

Robert F. Dill , George Shumway

AAPG Bulletin

...Geologic Use of Self-Contained Diving Apparatus Robert F. Dill , George Shumway 1954 148 157 38 1. (January) Newly developed diving techniques...

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

... Waveform Inversion (FWI) and ray-based tomography. Shallow, fast carbonates in the overburden limit the penetration of diving waves to ~1500 meters...

Aspects Carbonate Sedimentation in Indonesia

Michael Scrutton

Indonesian Petroleum Association

... by helicopter, observations from boating the area and from snorkelling and SCUBA diving. Observations of other SCUBA divers have also been taken...

Depositional Structures and Processes in the Non-barred High-energy Nearshore

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

Journal of Sedimentary Research (SEPM)

... the wave form is either solitary or that of a bore. Within the nearshore, shoaling waves become progressively higher and steeper until they break. After...

ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE

Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis

Geological Society of Trinidad & Tobago

...ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih...

Compass-Inclinometer for Underwater Outcrop Mapping: GEOLOGICAL NOTES

George Shumway

AAPG Bulletin

... of working underwater, a compact combination of compass and inclinometer is even more important to a diving geologist than is a Brunton compass to a field...

Field Geology in a Marine Environment: ABSTRACT

B. C. Osborn

AAPG Bulletin

... obtained onshore by field mapping. These tools consist of dart sampling, shallow core drilling, SCUBA diving, sampling by submarine, shallow...

Relation of Submarine Canyons to Continental Slope: ABSTRACT

Francis P. Shepard

AAPG Bulletin

... of the slopes. The numerous photographs of ripple-marked sand to depths of 3,500 m, and the observation from deep-diving vehicles of scoured hard rock walls...

Geology of Freeport Rocks, Offshore Texas: ABSTRACT

Paul D. Winchester

AAPG Bulletin

... of isolated, submerged rock pinnacles about 6 mi offshore from Freeport, Texas, were studied by SCUBA diving, petrographic techniques, and carbon-14 dating...

Optimizing Engineering for Permian Geology/Fluid Using Model-Based Analytics, #11151 (2018).

Murray Roth, Michael Roth,

Search and Discovery.com

.... Website accessed October 2018. Roth, M., and M. Roth, 2017, Diving Into the “Bubble-Point-Death” Debate: Part One – Midland Basin Overview: Published...

Editor's Note -Recollections

William R. Brice

Petroleum History Institute

... documented stories told second hand. The narratives may be from people who worked on the drill rigs, to off-shore diving, to operating a gasoline service...

ABSTRACT: High Temperature Polymetallic Sulfide Deposits in Back Arc Environment: Lau Basin SW Pacific, by Y. Fouquet, U. Von Stackelberg, P. Herzig; #90097 (1990).

Search and Discovery.com

Application of Full-Waveform Inversion for Shale Diapirs and Carbonate Rafts in the U.S. Central Gulf of Mexico

Search and Discovery.com

Tank Experiments on the Sorting Of Beach Material During Cusp Formation

N. C. Flemming

Journal of Sedimentary Research (SEPM)

... waves breaking for as much as 48 hours on a beach of pebbles and sand produced cusps in 8 cases. Seven runs produced cusps which changed continuously...

Hurricane-Induced Sediment Transport in Open-Shelf Tropical Systems--An Example from St. Croix, U.S. Virgin Islands

Dennis K. Hubbard

Journal of Sedimentary Research (SEPM)

...) and waves 6-7 m in height accompanied the storm. Along the north coast, wave height was lower (ca. 3-4 m) due to the leeward position of the shelf...

High-resolution seismic imaging of shallow karstified carbonate overburden offshore Indonesia

Xiaobo Li, Yonghe Guo, Yi Xie, Barry Hung, Ilham Panggeleng, M. R. Husni Sahidu, Sarah Putri

International Meeting for Applied Geoscience and Energy (IMAGE)

... to improve the definition of karstified faults in the primary image As the top of the carbonate was very shallow in this case, rich diving waves were...

Structural and time-lapse imaging through gas clouds via FWI at Eldfisk field, North Sea

Zhengxue Li, Leila Bencherif-Soerensen, Per Gunnar Folstad, Brian Macy, Simon Shaw, Baishali Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

.... An emphasis was placed on maximizing the depth penetration of FWI by utilizing the complete wavefield, which included both diving waves and reflection events...

Advanced Deblending Scheme for Independent Simultaneous Source Data

M. Wang, Z.H. Chen, C. Chen, F.C. Loh, T. Manning, S. Wolfarth

Petroleum Exploration Society of Australia (PESA)

... respectively, it can be observed that the weak diving waves are well preserved which is important for FWI work. Figure 3c displays the SNR map used...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...on between them. risk of cycle-skipping. At which point, the diving waves aided resolution of the longer wavelength components in the shallowest wat...

Ice Rafting of Fine-Grained Sediment, a Sorting and Transport Mechanism, Beaufort Sea, Alaska

Peter W. Barnes, Erk Reimnitz, Dennis Fox

Journal of Sedimentary Research (SEPM)

..., Virginia, The Arctic Inst. of North America, p. 301-351. REIMNITZ, E., AND DUNTON, K. H., 1979, Diving observations on the soft-ice layer under the fast...

Aspiration or expiration: hypoxia and the interpretation of fish predation in the fossil record

D. Ross Robertson, Carole C. Baldwin, David Bellwood, Richard Pyle, William Smith-Vaniz, Luke Tornabene, James L. Van Tassell

PALAIOS

..., with the recipients in such cases including herbivores as well as large-mouthed planktivores and predators. In other instances the churning action of waves led...