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Proceedings Papers

Model Tests on a Radial Wellbay Spar in Gulf of Mexico, Norwegian Sea and Offshore Brazil Environments

John Murray, Edmund Muehlner, Surya Banumurthy, Guibog Choi
Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 125-138, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-83161
https://doi.org/10.1115/OMAE2012-83161
View Paper titled, Model Tests on a Radial Wellbay Spar in Gulf of Mexico, Norwegian Sea and Offshore Brazil Environments
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Topics: Gulf of Mexico, Ocean engineering, Seas, Spar platforms, Wing spars, Stress, Wind, Mooring, Top-tensioned risers, Computation
Proceedings Papers

Effect of High-Frequency Response on TLP Tendon Fatigue

Edmund Muehlner, Surya Banumurthy, John Murray
Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 221-230, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-83264
https://doi.org/10.1115/OMAE2012-83264
View Paper titled, Effect of High-Frequency Response on TLP Tendon Fatigue
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Topics: Fatigue, Tendons, Tension-leg platforms, Seas, Waves, Stress, Fatigue damage, Vessels, Design, Linear wave theory
Proceedings Papers

Comparison Between Numerical Prediction and Model Tests Measurements on the Centerwell Tank of a Radial Wellbay Spar

Edmund Muehlner, John Murray, Surya Banumurthy, Chandan Lakhotia
Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 97-105, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-83111
https://doi.org/10.1115/OMAE2012-83111
View Paper titled, Comparison Between Numerical Prediction and Model Tests Measurements on the Centerwell Tank of a Radial Wellbay Spar
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Topics: Spar platforms, Wing spars, Stress, Buoyancy, Design, Trusses (Building), Drilling, Dynamometers, Fluid-dynamic forces, Hull
Proceedings Papers

A Comparison of Radial Wellbay and Traditional Truss Spar Designs

John Murray, Edmund Muehlner, Guibog Choi
Proc. ASME. OMAE2011, Volume 1: Offshore Technology; Polar and Arctic Sciences and Technology, 263-268, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49272
https://doi.org/10.1115/OMAE2011-49272
View Paper titled, A Comparison of Radial Wellbay and Traditional Truss Spar Designs
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Topics: Spar platforms, Trusses (Building), Wing spars, Design, Drilling, Hull, Water, Arctic region, Buoyancy, Dimensions
Proceedings Papers

Improved Efficiencies in Truss Spar Designs Without Dry Transportation Constraints

John Murray, Guibog Choi
Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 1, 645-652, June 6–11, 2010
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2010-21112
https://doi.org/10.1115/OMAE2010-21112
View Paper titled, Improved Efficiencies in Truss Spar Designs Without Dry Transportation Constraints
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Topics: Spar platforms, Transportation systems, Trusses (Building), Wing spars, Steel, Hull, Vessels, Weight (Mass)
Proceedings Papers

A Truss Semisubmersible Optimized for the Post Katrina Environment in Gulf of Mexico Correlated With Model Test

Chan K. Yang, John Murray, Hanseong Lee, Myoungkeun Choi, Cheng-Yo Chen, Yun Ding
Proc. ASME. OMAE2009, Volume 1: Offshore Technology, 675-686, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79717
https://doi.org/10.1115/OMAE2009-79717
View Paper titled, A Truss Semisubmersible Optimized for the Post Katrina Environment in Gulf of Mexico Correlated With Model Test
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Topics: Gulf of Mexico, Semi-submersible offshore structures, Steel catenary risers, Top-tensioned risers, Trusses (Building)
Proceedings Papers

Use of a Stem Device for VIV Mitigation on a Dry Tree Semi-Submersible

Apurva Gupta, John Murray, Bin Li, Harish Mukundan, Anis Hussain
Proc. ASME. OMAE2009, Volume 3: Pipeline and Riser Technology, 813-820, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-80010
https://doi.org/10.1115/OMAE2009-80010
View Paper titled, Use of a Stem Device for VIV Mitigation on a Dry Tree Semi-Submersible
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Topics: Semi-submersible offshore structures, Vortex-induced vibration, Pipeline risers, Risers (Casting), Currents, Fatigue damage, Keel, Spar platforms, Tension-leg platforms, Wing spars
Proceedings Papers

Disconnectable Mooring System for Ice Class Floaters

John Murray, Apurva Gupta, Foo Kok Seng, Asbjorn Mortensen, Wong Toh Tung
Proc. ASME. OMAE2009, Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV, 169-173, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-80065
https://doi.org/10.1115/OMAE2009-80065
View Paper titled, Disconnectable Mooring System for Ice Class Floaters
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Topics: Ice, Mooring, Design, Water, Arctic region, Stress, Earthquakes, Artificial islands, Caissons, Chain
Proceedings Papers

Model Tests on a Spar in Level Ice and Ice Ridge Conditions

John Murray, Stephane LeGuennec, Don Spencer, Chang K. Yang, Wooseuk Yang
Proc. ASME. OMAE2009, Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV, 123-134, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79733
https://doi.org/10.1115/OMAE2009-79733
View Paper titled, Model Tests on a Spar in Level Ice and Ice Ridge Conditions
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Topics: Ice, Ice ridges, Spar platforms, Wing spars, Mooring, Stress, Dynamometers, Hull, Stiffness, Design
Proceedings Papers

The Transient Effect of Tendon Disconnection on the Global Motion of ETLP

Chan K. Yang, Balakrishna Padmanabhan, John Murray, M. H. Kim
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 497-507, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57521
https://doi.org/10.1115/OMAE2008-57521
View Paper titled, The Transient Effect of Tendon Disconnection on the Global Motion of ETLP
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Topics: Tendons, Tension-leg platforms, Transients (Dynamics), Tension, Pipeline risers, Gulf of Mexico, Hull, Modeling, Mooring, Safety
Proceedings Papers

An Investigation of Stability and Workability of ESEMI Under the Pre-Service Condition in Gulf of Mexico

Chan K. Yang, John Murray, Edwin Nah, Anis Hussain
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 815-821, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57879
https://doi.org/10.1115/OMAE2008-57879
View Paper titled, An Investigation of Stability and Workability of ESEMI Under the Pre-Service Condition in Gulf of Mexico
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Topics: Gulf of Mexico, Stability, Workability, Semi-submersible offshore structures, Hull, Performance characterization, Static stability (Fluid mechanics), Water
Proceedings Papers

Improving the Motions of a Semi by the Addition of Heave Plates

Cheng-Yo Chen, Yun Ding, Trevor Mills, John Murray
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 163-168, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57135
https://doi.org/10.1115/OMAE2008-57135
View Paper titled, Improving the Motions of a Semi by the Addition of Heave Plates
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Topics: Plates (structures), Semi-submersible offshore structures, Gulf of Mexico, Hull, Spar platforms, Testing, Top-tensioned risers, Wing spars, Deepwater development, Design
Proceedings Papers

Riser Analysis for a Dry Tree Semi-Submersible

Apurva Gupta, Chan K. Yang, John Murray, Guoan Shen, Anis Hussain, Edwin Nah
Proc. ASME. OMAE2008, Volume 3: Pipeline and Riser Technology; Ocean Space Utilization, 607-614, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57818
https://doi.org/10.1115/OMAE2008-57818
View Paper titled, Riser Analysis for a Dry Tree Semi-Submersible
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Topics: Pipeline risers, Risers (Casting), Semi-submersible offshore structures, Spar platforms, Wing spars, Keel, Stress, Vortex-induced vibration, Buoyancy, Design
Proceedings Papers

Design Features of Risers for the Extendable Draft Platform (EDP)

Lixin Xu, Qi Xu, Colin Hough, John Murray
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 219-226, June 20–25, 2004
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2004-51110
https://doi.org/10.1115/OMAE2004-51110
View Paper titled, Design Features of Risers for the Extendable Draft Platform (EDP)
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Topics: Design, Pipeline risers, Risers (Casting), Hull, Semi-submersible offshore structures, Top-tensioned risers, Clearances (Engineering), Deepwater development, Drilling, Fatigue
Proceedings Papers

A Large Deck Extendable Draft Platform Design for Ultra-Deepwater in the Gulf of Mexico

John Murray, Anil Sablok, Todd Demerchant, Lixin Xu, Tim Finnigan, Shankar S. Bhat Aramanadka
Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 637-646, June 12–17, 2005
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2005-67310
https://doi.org/10.1115/OMAE2005-67310
View Paper titled, A Large Deck Extendable Draft Platform Design for Ultra-Deepwater in the Gulf of Mexico
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Topics: Design, Gulf of Mexico, Pipeline risers, Risers (Casting), Water, Chain, Drilling, Drilling rigs, Economics , Hull
Proceedings Papers

Spar Technology for Arctic Region Challenges

John Murray, Chunqun Ji
Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 853-860, June 12–17, 2005
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2005-67415
https://doi.org/10.1115/OMAE2005-67415
View Paper titled, Spar Technology for Arctic Region Challenges
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Topics: Arctic region, Spar platforms, Wing spars, Mooring, Ice, Stress, Hull, Pipeline risers, Risers (Casting), Conceptual design