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 169
... cracks in pipelines . Crack detecting pigs are being designed . To make full use of the data obtained through such tools implies that cracks detected have to be assessed and consequentially evaluated by use of a " Lifetime- Evaluation ...
... cracks in pipelines . Crack detecting pigs are being designed . To make full use of the data obtained through such tools implies that cracks detected have to be assessed and consequentially evaluated by use of a " Lifetime- Evaluation ...
Page 171
... crack detection it is less appropriate because it cannot recognize cracks orientated in a radial direction ( parallel to the signal ) and can only detect cracks ( or rather material seperation or delaminations ) in a circumferential and ...
... crack detection it is less appropriate because it cannot recognize cracks orientated in a radial direction ( parallel to the signal ) and can only detect cracks ( or rather material seperation or delaminations ) in a circumferential and ...
Page 172
... crack detecting intelligent pigs will ultimately be able to detect and quantitatively measure the geometry and location of cracks , a lifetime evaluation will still present a difficult task governed by the problem of correlating the cracks ...
... crack detecting intelligent pigs will ultimately be able to detect and quantitatively measure the geometry and location of cracks , a lifetime evaluation will still present a difficult task governed by the problem of correlating the cracks ...
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 |
Copyright | |
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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