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Keywords: seafloor
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32230-MS
... selection and formulation assessment seafloor mexico structural geology drilling equipment operational safety reservoir characterization offshore technology conference riserless drilling active expulsion feature water flow drilling fluid management & disposal sediment riserless section...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32244-MS
... science 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32358-MS
... avoidance mara identification information continental shelf seafloor Introduction Atlantic Shores Offshore Wind, LLC is a 50:50 partnership between Shell New Energies US LLC and EDF Renewables North America. Its Lease Area, identified as OCS-A 0499, is located in federal waters, approximately...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32390-MS
... survey data consisted of grab sample tests (grain size), macrofaunal taxonomy, sediment profile and plan view imagery (SPI-PV), video imagery from each grab station, and towed video transects. Acoustic data products were processed and interpreted to create polygons of seafloor sediment coverage over...
Proceedings Papers

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

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32426-MS
... technology conference nodule air lift system seafloor technology readiness level Introduction Billions of tons of polymetallic nodules rich in critical metals including nickel, cobalt, copper, and manganese lie on the abyssal plain of the Pacific Ocean. The area known as the Clarion Clipperton...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31958-MS
...Seafloor porosity prediction with GPSM Abstract In shallow marine sediments, gas accumulations and hydrates are significant geohazards to subsea infrastructure, drilling, and production. Therefore, predicting their occurrence is crucial to ensure offshore drilling safety and submarine...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31102-MS
... site characterization. reservoir characterization information discontinuity shallow marine site characterization machine learning frequency seismic interpretation amplitude upstream oil & gas instantaneous amplitude seafloor instantaneous phase sediment characterization marine...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31052-MS
... test insert. A recovery effort was planned, and the mooring line wasreplaced in early June. The original ML6 was recovered from the seafloor on June 4, 2019 as a part of thatcampaign and submitted to an initial inspection. This paper is not intended to go into either the cause of the incident...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31294-MS
... 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 will be to include subsea ammonia storage as part of the global logistical value chain, which can power the merchant shipping fleet. Clean ammonia can...
Proceedings Papers

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

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

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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30795-MS
..., Norway , pp 825 – 830 . Abstract At deepwater sites, skirted mudmats with a sliding mechanism have been the preferred choice to support pipeline or flowline end terminations (PLET or FLET) on soft clay seafloor to accommodate line expansions and contractions that occur during shutdown...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29228-MS
... tbc point cloud installation artificial intelligence inclination anomaly inspection tolerance requirement pile assembly assembly upstream oil & gas receptacle tendon incident load ring acceptance criteria connector assessment load shoulder seafloor Prior...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29324-MS
... releasing CO 2 at a rate of 5-6 l/min. Finally, we have investigated how to integrate the deep-focused geophysical and shallow-focused seafloor monitoring techniques. In our study, we have used a set of leakage scenarios (leakage path, rate, etc.) available in the literature. In addition, we have included...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29674-MS
... offshore technology conference survey data bayesian seismic inversion seismic inversion bayesian inference reservoir characterization ground model investigation seafloor dimension spatial reasoning density profile inverse modeling inversion stratigraphy site characterization Aubeny...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29464-MS
... the potential for mass gravity flow induced seafloor scouring. Finite-element analysis is used to investigate the mobilization of near-seafloor sediments in a deepwater setting under the loads generated by a mass gravity flow event. Analysis results representative for a mass gravity flow in the far-field, near...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29508-MS
... point cloud resolution oil spill riser corrosion upstream oil & gas seafloor sonar data investigation chemical spill Beltrame , C. , Costa , E. 2018 . 3D Survey and Modelling of Shipwrecks in Different Underwater Environments . Journal of Cultural Heritage 29 : 82 – 88...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29605-MS
... suction anchor anchor location reservoir characterization prediction seafloor anchor undrained shear strength ploughmark variability offshore technology conference fpso investigation barent sea unit ii upstream oil & gas Lien , R . 2013 . Estimated thickness of Quaternary...

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