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Keywords: diver
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Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30942-MS
... inspection upstream oil & gas operation parachute requirement reduction oil industry offshore technology conference rov diving activity preliminary result subsea system petrobras implementation rota 3 human diving diverless revolution route 3 diving system diver...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30522-MS
... during its construction. construction phase coastal protection breakwater offshore technology conference innovative control placement breakwater dike concrete armour unit as-built position construction information monolayer concrete armour unit productivity diver turbidity control...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28896-MS
... (the leak rate was estimated at 5 000 cubic meters per day), was worsening and was inducing structural damages to the flexible joint by cavitation. A technical solution was studied involving underwater machining using divers. The upper joint surface of the gasket groove was part of a replaceable spool...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27633-MS
... the hawse pipe of an FPSO turret mooring system were acquired and then post processed into highly accurate (±1 mm) 3D chain link data, following which detailed numerical analysis of the remaining link capacity for worn links was performed. Previously acquired diver measured data is compared against 3D scan...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26953-MS
... valve marine growth liquified natural gas upstream oil & gas fouling operator requirement isolation valve cargo oil tank man entry operation diver underwater hull inspection diving operation gas monetization inspection hull inspection floating production system new method...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23910-MS
... hydrate and the proper application of excavation tools to varying soil hardness, the development of three dimensional sonar to assist in diver safety and in positioning of the excavation tools in a real-time environment, and a comparison of the various types of excavation tools and how to maximize...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24059-MS
... maritime conventions applicable to floating units. Today, hull inspections are performed by divers who operate in relatively deep waters (down to 30 m), on live installations and in an open sea environment subject to swell and variable weather conditions, all of which add up to significant risks...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24052-MS
... be demonstrated that underwater application do not affect repair strength, – repair system application: this is mainly a manual task today which can be performed by divers but is not applicable for deepwater, – design to lateral buckling and collapse: specific design criteria and limit states of composite...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20818-MS
... of the hot tap tee was performed utilizing saturation divers. The world's deepest hot tap operations on a pressurized pipeline were performed on the Ormen Lange field in the Norwegian Sea in August 2009. Two hot taps were conducted in a water depth of 860 meters. These were carried out to tie-in a new seabed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18306-MS
... assembly. Acergy developed a Chain-Leg Installation System to recover and align the ends of the chain with the closed socket end terminations on the wire enabling divers to make these connections subsea in near zero visibility conditions. The system, which comprised a base skid with a sliding upper...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17659-MS
... Abstract A technique for remote hot-tapping into subsea pipelines without the use of divers has been developed. The technique involve the installation of a valve module and hot-tapping equipment remotely operated from a support vessel, and provide a cost effective option for tie-in of new...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15223-MS
... in wellhead-cellars in Garoupa field, passing through the shallow waters diver operated trees, the development of the lay-away technique and, furthermore, development of the diverless vertical connection system and the guidelineless deepwater subsea trees. The strategic effort on standardization of subsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-12972-MS
... deepwater platform rov offshore facility decommissioning subsea system partial removal otc 12972 platform jacket section platform removal marine shuttle complete removal upstream oil & gas category diver conductor topsides heavy lift vessel pipeline Copyright 2001, Offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12127-MS
... Franklin's experience, they developed procedures, identified and procured the tooling and materials needed for the work, as well as completing a comprehensive schedule in which lump sum pricing could be based. installation charlson upstream oil & gas garden bank 388 diver contractor...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12022-MS
... at the surface control station. Cutting parameters such as pressure, abrasive flow/concentration are maintained at the surface. External cutting operations are carried out using Diver or ROV installed tracks or manipulator frames onto legs, piles and brace members, with similar mounting, nozzle positioning...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1997
Paper Number: OTC-8489-MS
...; - the interventions in the WHC and manifold were exclusively carried out through an atmospheric bell supported by a specific dedicated vessel ; - the horizontal pull-in system did not work and the connections were all done by divers. Despite the relative operational reliability of the system, its high Operational...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7147-MS
... framing platform hopper stability crack growth loading doian pmb engineering inc criteria consensus rehabilitation strength evaluation earthquake loading inspection survivability earthquake technology conference diver otc 7147 OTC 7147 Rehabilitation of a 96-Slot Platform...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7180-MS
..., associated with reduced cost, has made radical improvements in all manner of activity undertaken by human kind. subsea system subsea tree installation diver reduction upstream oil & gas rov subsea production equipment consideration application dmac production system operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6958-MS
... of operation a land regulatory considerations, More than normal vessel, crew and adjacent structure safety considerations must be in effect. The diver?s life is directly in jeopardy from catastrophic events such as a power-off or rapid drift-off. The Association of Diving Contractors has addressed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6750-MS
... technical basis. Diver inspections revealed midspan excursions of the pipeline bundle in excess of several inches, for the one large span, in depleted sand conditions. These midspan oscillations occurred about shoulder height with the diver standing upright on bedrock. Calculations indicated that fatigue...

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