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Keywords: excavation
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Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31257-MS
... the Rosetta Channel. Following close collaboration between all involved stakeholders, a robust, reliable and cost-effective solution was achieved after a detailed engineering process, where the final design required a unique combination of mitigations including seabed excavation, pre-lay rock carpets, post...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27695-MS
... transportation calculation upstream oil & gas arrangement wreck salvage contractor lifting beam sewol ground reaction bow lift subsea system hull forecast buoyancy excavation interpretation investigation wave period variation A. Guha , " Development and application...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27082-MS
... Conference on Particle-based Methods – Fundamental and Applications . OTC-27082-MS Hyperbaric Excavation: New Insights and Simulation Tools Wiebe Boomsma, M.Sc, IHC Mining; Dr. Mario Alvarez Grima, and Jan Los, M.Sc, IHC MTI Copyright 2016, Offshore Technology Conference This paper was prepared...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25211-MS
... Pipeline Survey and lowering by Mass Flow Excavator tool Pipeline Lowering Operation X Pipeline lowering operations X Pipeline Survey and Pipeline Integrity assessment after every lowering pass Details of each of these stages are provided in below sections. Risk Assessment & Engineering Feasibility Study...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23910-MS
... Abstract TETRA Offshore Services has developed a novel approach to the use of heavy subsea excavation tools in conjunction with USBL positioning and three dimensional sonar systems to successfully and safely excavate two subsea holes, 75 foot and 60 foot below mud line, to support the plug...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23592-MS
... Abstract The submerged mechanical excavation of rock is required for dredging or miningpurposes and it is usually performed with pick points or cutting teeth. Although the mechanical cutting process is quite well understood on land, in adry situation, questions remain regarding saturated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20047-MS
...: SMS deposits) in the Deep Sea Mining market are most interesting for the Dredging Industry. Extrapolation of existing know how is very useful to develop frontier technology in this new area. Especially the existing technology for Seafloor Excavation and Vertical Hydraulic Transport of the excavated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19272-MS
... excavation grand bank subsea system dimension iceberg frequency upstream oil & gas protection structure wellhead iceberg keel impact subsea structure offshore technology conference protection subsea facility keel interaction glory hole OTC 19272 Protection and Risk Mitigation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13056-MS
... installation operation construction ali shirazi otc 13056 offshore technology conference inner side excavation reinforcement accuracy installation pile driving Copyright 2001, Offshore Technology Conference This paper was prepared for presentation at the 2001 Offshore Technology Conference held...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-11919-MS
... Abstract The Terra Nova wellheads are sited in depressions ("Glory Holes") made in the seabed to protect the wellhead equipment from iceberg impact. This paper describes the construction of the Terra Nova Glory Holes including the choice of protection system, the choice of excavation method...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12043-MS
.... The abstract must contain conspicuous acknowledgment of where and by whom the paper was presented. Abstract A full account is given of the excavation of five 10 meters deep glory holes in the Terra Nova offshore oil field, at an initial water depth of 96 meters, using Boskalis jumbo size trailing suction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1994
Paper Number: OTC-7572-MS
... installation contractor upstream oil & gas pipelay power cable piping simulation flowline barge excavation offshore pipeline ditch jumper line requirement bundle otc 7572 mobile bay safety pipeline team piping design production platform k OTC 7572 Installation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6457-MS
... fatigue crack repair technique geometry thickness brace remedial specimen loading stress concentration principal stress stress range weld toe gauge endurance viable repair technique excavation fatigue performance excavation depth offshore technology conference Copyright 1990...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6128-MS
... in the Arctic waters and current development efforts for cased glory holes. INTRODUCTION Glory Holes, which are excavations in the sea floor, enable blow-out preventers, wellheads and associated equipment to be relocated below the icekeel interaction zone (see figure 1) or to protect the wellhead from damage...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5475-MS
... the use of graphIC dIsplays to Increase operator/eqUIpment accuracy and effIcency whIle excavating both above and below the waterline. OutlIned are two such fIeld installatIOns, along wItn operator comments after extended use. These Installations both applIed eXIsting motlOn mOnItoring teChnology to lower...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4802-MS
...OTC 4802 Gloryhole Excavation: Present Techniques and Future Concepts by H.R. Stewart and H.M. Goldby, Gulf Canada Resources Inc. Copyrfgnt 1984 Offshore Technology Conference This paper was presented at the 16th Annual OTC inHouston, Texas, May 7-9, ~i984. The material is subject to correction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4452-MS
... divers; use of bottom pull. and tow methods for :installation of the deepwater segments of the line, with pipe made up on a barge moored in shallow water; important environmental constraints for this ecologically sensitive area; special metallurgy of pipe for sour gas service; and excavation of the shore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4448-MS
... offshore application defect inspection quality control radiography excavation procedure astm purchaser specification application supplier installation weld repair div requirement heat treatment hydraulic fracturing steel casting OTC 4448 Problems Associated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–7, 1974
Paper Number: OTC-2131-MS
... geologic correlation offshore technology conference engineer consideration marine facility individual recording correlation excavation sequence upstream oil & gas reservoir characterization refraction survey exploration velocity value offshore sub-bottom material energy...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 28–May 1, 1973
Paper Number: OTC-1895-MS
... drilling fluid management & disposal grout excavation drilling fluids and materials OFFSHORE TECHNOLOGY CONFERENCE 6200 North Central Expressway Dallas, Texas 75206 ' . THIS IS A PREPRINT PAPER l'JUMBER SUBJECT TO CORRECTION OTe 1895 Underreamed Footings Support Platforms in the North By Offshore...

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