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Keywords: semi
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25944-MS
... correction drift force coefficient formulation sea state wave drift force subsea system mooring system drift coefficient model test semi high wave upstream oil & gas model testing drift force procedure incident Presentation of OTC-25944-MS Presentation of OTC-25944-MS...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25427-MS
... Abstract The Paired-Column Semisubmersible (PC Semi) concept was selected as a dry tree alternative for ultra-deep water development by RPSEA in 2009. Since then, RPSEA continuously supported maturation of PC Semi. The PC Semi platform has relatively deeper draft and smaller columns compared to...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25265-MS
... Abstract Semisubmersible Floating Production System (Semi-FPS) with Steel Catenary Risers (SCRs) is an attractive field development solution worldwide, and especially so in deeper water of Western Australia. However, SCR design is challenging in the offshore Western Australia environment due...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25344-MS
... upstream oil & gas reservoir drilling hull form contracting strategy floating production system selection platform semi installation development plan riser requirement procedure spar wet tree execution plan construction Presentation of OTC-25344-MS Presentation of OTC-25344-MS...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25351-MS
...-of-the-art high performance semisubmersible designs have been presented here and evaluated for the development of marginal fields in deepwater Gulf of Mexico (GoM). These designs are the Fee-Hanging Solid Ballast Semi (FHSB Semi) and the Damper Chamber Column Semi (DCC Semi). Detailed description of...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23926-MS
... for Gulf of Mexico projects, which will provide cost and execution plan improvements compared to existing options for deepwater. Presentation of OTC-23926-MS Presentation of OTC-23926-MS loading riser stiffness spar semi arrangement pc semi upstream oil & gas stress joint...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23919-MS
... Abstract Recently the offshore industry has shown an increased interest in developing a competitive Dry Tree Semi (DTS) concept. Several DTS designs have been proposed by floater designers and many of them have been evaluated by Operators and Classification Societies. So far, no DTS has been...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18467-MS
... (SCRs) are shown. The overall response of the risers, especially at the touchdown region, is a key focus during the design of the semi as this is largely affected by the motions of the semi. The floater is designed as a "Deep Draft Semi", essentially suppressing a large part of the motions by keeping...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18585-MS
... comprised three campaigns: April/May 2006 - Transportation and installation of the foundation (suction) piles January/February 2007 - Transportation of the semisubmersible platform (by Enterprise, handover at site), transportation and deployment of mooring lines, connection of the moorings to the semi...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18259-MS
... Abstract A semi submersible production platform with steel catenary risers and taut leg mooring system has been developed for deepwater and harsh environmental conditions. Design and analysis iterations have been performed to establish a system that is cost optimal when considering platform...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15105-MS
... Abstract A Semi-submersible Floating Production Facility (Semi) combined with Steel Catenary Risers (SCRs) is a costeffective solution for deepwater floating production systems. However such a solution presents significant challenges for the SCR design mainly due to the relatively larger...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14259-MS
... types; a detailed comparison is presented in [1]. key driver well count conversion otc 14259 fpso riser count water depth tree platform platform dry tree platform mexico petrobras selection tlp compliant tower riser spar hull drilling semi upstream oil & gas subsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14260-MS
... Abstract The traditional Production Drilling Semisubmersible (PD Semi) platform has served as a reliable production hub for developing medium to large deepwater fields that can be substantially drained from a single drill center. Several recent breakthroughs in well construction and completion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 1996
Paper Number: OTC-8049-MS
... ABSTRACT In the last fifteen years PETROBRAS has converted many old drilling semi-submersibles into floating production units. The low cost of existing units compared to high naval construction cost has favored this type of system. On the other hand, the increase in the plants size has become...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7943-MS
... ABSTRACT The Troll Oil FPS platform is the first with concrete hull and the greatest semi built to date. This paper describes the platform concept, design challenges, and in more detail the civil construction, mechanical installation and marine operations of the Troll Oil platform hull...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6164-MS
... as export of separated oil and gas between a subsea production template and a semi-submersible drilling rig that was modified to allow simultaneous drilling and production operations. Flexible pipe segments, suspended between the semi-submersible's pontoons and the top of the free standing rigid...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4786-MS
... fpso natural gas riser angle different plant capacity distillation methanol plant methanol process floating production system methanol production roll angle subsea system tanker plant capacity semi upstream oil & gas selection methanol efficiency pitch angle offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4787-MS
... process equipment hostile environment floating production system shuttle tanker fpso consideration reliability north sea suitability mooring system tanker semi submersible storage tanker production riser heave ri ser subsea system semi yoke significantwave height upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2283-MS
... ABSTRACT The SEA RATCHET* is a device which will substantially reduce wave induced motions as well as increase deck loading flexibility. Slung deeply beneath existing semis using chains, the ratchet action results from its upward only damping action entraining a hundred thousand tons of...

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