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Keywords: seafloor
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35061-MS
... Abstract On top of the abyssal plains of the Clarion-Clipperton Zone (CCZ) in the Pacific Ocean lie trillions of polymetallic nodules that contain many of the metals needed for transitioning to a low carbon future. In 2021, the pre-protype seafloor nodule collector ‘Patania II’ performed...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35033-MS
.... Calibrations performed to estimate these cone factors are typically done independently from each other and render constant values for each cone factor, which are independent of vertical effective stress and depth below seafloor. This leads to constant cone factors which may be incompatible within...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35325-MS
... intelligence deep learning coefficient geological subdiscipline dla campeche dataset reservoir characterization prediction mra equation shear wave velocity determination seafloor structural geology cone resistance taboada phyllosilicate correlation machine learning database bay offshore...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35388-MS
... Abstract Offshore energy development requires a thorough understanding of the seafloor and benthic environments to inform the potential risks to infrastructure and assess the potential environmental impacts of the project. In this paper, we present a novel method for generating quantitative...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35212-MS
... practices. This will result in reduced costs for the design of the floating structures and anchoring and mooring. These anchors can be installed in almost any seafloor condition, including hard rock, boulders, etc. and in severe weather conditions beyond those of current anchoring practices. Introduction...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35260-MS
... depicts a plausible tensile-fracture initiation from a vertical well; longitudinal and transverse with-respect-to the wellbore, propagating upwards en route to the seafloor. The illustrations on Fig. 4 , of course, represent idealizations. En echelon -like intermediate orientations of tensile-fracture...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35172-MS
... depositional environment shear strength sustainability continental environment reservoir characterization undrained shear strength baltic sea cpt correlation offshore technology conference resistance pdf foundation interpretation site 1 seafloor correlation loading investigation cone...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32230-MS
... The formation of the minibasin on ToS due to salt movement can result in extensive normal faulting directly above and along the sides of the uplift that may enable fluid migration along the salt ridges and can expose to the seafloor, sometimes can be correlated to expulsion features ( Cooper...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32244-MS
... offshore technology conference enabling ecosystem environmental impact assessment metals & mining exploration program operation seafloor ebm approach connectivity requirement social responsibility water management ecosystem moana mineral ecosystem model Introduction In order...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32358-MS
... approach were identified as incised and infilled paleovalleys, consisting of channels and margin deposits located within 5 m of the seafloor, and therefore within depths for potential ground disturbance. The largest of the interpreted submerged ancient landforms appeared to represent an approximately...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32390-MS
... and interpreted to create polygons of seafloor sediment coverage over the ASOW study area and ground-truthed with physical sampling, video, and digital still imagery to refine and validate acoustic data into a mappable model of essential fish and benthic habitats. Seafloor morphology and seabed sediment...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32485-MS
... seafloor massive sulfides (SMS) with regards to minimizing footprint of the operation in all aspects. SMS reservoirs are mostly found in water depths between 2000m and 4000m. To explore these deposits in the deep sea a concept study based on a vertical trench cutting system has been developed. The extreme...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32426-MS
..., hydraulic lift technology such as pumps or compressors, or other novel means to move nodules from near the seafloor to the surface vessel. The concepts presented in this paper use hydraulic lift technology. The other designs were not considered for this work based on production rate concerns...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31958-MS
... generate predictions with uncertainty estimates with the goal of providing ageohazard assessment before any shallow hazard surveys are performed.We used a geospatial machine learning model to predict total organic carbon (TOC) and porosity at the seafloor in the northern Gulf of Mexico, and model...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31102-MS
... Santana and Neto (2015 ) applied seismic attributes analysis from 2D marine seismic survey data for the seafloor's sediment classification. They assumed geophysical seismic attributes would make it possible to characterize the subsurface geological nature because seismic wave propagation...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31052-MS
... subsea system inspection yarn polyester segment upstream oil & gas subrope seafloor strength balder splice mooring system mooring line dropped polyester mooring line qualification test insert elongation offshore technology conference polyester rope segment visual inspection...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31056-MS
.... Finite-element computed seismic slope performance indicators, including horizontal peak ground acceleration at the seafloor and earthquake-induced maximum shear strain within the slope, along with horizontal seismic coefficients required to trigger slope instability in limit-equilibrium based...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31294-MS
..., instead of using expensive cables from shore. Storing ammonia at the seabed using innovative subsea storage technologies will dramatically reduce CO2 emissions for offshore assets. The fluid will be stored in a safe manner on the seafloor, protecting both personnel and marine life. The next step...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30573-MS
... Abstract Geophysical seismic surveys have been applied to marine geo-site characterization to create images of the complex geological conditions under the seafloor. Accurate knowledge of the ground conditions is critical for geo-risk assessment purposes such as mapping shallow gas hydrate...
Proceedings Papers
William Bill J. Berger, Zachary Ian Metz, Baiyuan Gao, Piotr Antoni Przybylski, Shishay Bisrat, Chaitanya B. Jere, Asim A. Deshpande
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30550-MS
... geohazards such as seafloor/buried faults, gumbos, gas hydrates, shallow gas and shallow water flow are routinely investigated using seismic reflectors, seismic amplitude, extent of well-known problematic stratigraphic units, and offset wells drilling data. As a result, the understanding of the regional...
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