Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 115
... applied the above methodology to offshore gas pipelines ( 16 ) . METHODOLOGY FOR IN - SERVICE DEFECTS Introduction Mechanical damage is a major cause of failure in offshore pipelines ( 1-4 ) . Corrosion is also a major problem in ...
... applied the above methodology to offshore gas pipelines ( 16 ) . METHODOLOGY FOR IN - SERVICE DEFECTS Introduction Mechanical damage is a major cause of failure in offshore pipelines ( 1-4 ) . Corrosion is also a major problem in ...
Page 195
... applied in a quasi - static fashion and can be con- sidered to approximate displacement - controlled conditions . Fig- ure 6 shows a plot of the applied loads F1 and F2 during the testing of specimen 1. The results demonstrate the ...
... applied in a quasi - static fashion and can be con- sidered to approximate displacement - controlled conditions . Fig- ure 6 shows a plot of the applied loads F1 and F2 during the testing of specimen 1. The results demonstrate the ...
Page 196
... applied along the generator of the tube in contact with the mandrel . Thus , the section in contact with the mandrel undergoes significantly more ovalization than the free span . As the tension is increased , the ovalization at mid ...
... applied along the generator of the tube in contact with the mandrel . Thus , the section in contact with the mandrel undergoes significantly more ovalization than the free span . As the tension is increased , the ovalization at mid ...
Contents
Design of the Troll Multiphase Transport System | 1 |
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation failure field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline glycol GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation J-Lay length line pipe linepipe load material maximum measured mechanical properties method nonlinear offshore pipelines operation parameters pipe material pipe wall pipeline Pipeline Technology ASME plate pressure problem procedure propagation PUFI PWHT reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength