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Keywords: risers
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Proceedings Papers

...) with an easy-to-use ES (as opposed to more traditional methods), Equation (2) may be rearranged as (3) dI 2 dE = β 2 i net Abstract Some piping systems used in deep water oil production, including risers and flow-lines, or those used for seawater piping, are galvanically coupled...
Proceedings Papers

... at or approaching HP/HT conditions towards corrosion resistant alloy pipelines, especially for risers or in field gathering pipelines. PD8010 2 does not require the removal of the corrosion allowance for the type of calculations and developments discussed in the previous bullet point, allowing...
Proceedings Papers

... 2RD API RP 2RD is the “Design of Risers for Floating Production Systems (FPSs) and Tension-Leg Platforms (TLPs).” The present version of API RP 2RD was first issued in June 1998, and was reaffirmed May 2006. However, committee members are rewriting the Recommended Practice, and are planning...
Proceedings Papers

... choices for the pipeline coatings used in offshore operations. Performance and failure cases of the various types of coatings are described, including for risers. Polyethylene and polypropylene based three-layer coatings are most often used for plant-applied coatings of pipes. Polychloroprene...
Proceedings Papers

...Abstract Steel catenary and top tension risers for deepwater oil and gas field developments are subject to corrosive environments on both internal and external surfaces and to fatigue loading. The girth welds control, the fatigue life of such structures. Therefore, there is a need to quantify...
Proceedings Papers

...Abstract Fitness for purpose test of riser pipe sections containing post weld stress relieved girth welds with hardness's exceeding 250 HV were made utilizing a full scale test set-up. The tests simulated severe exposure conditions in terms of mechanical stresses, and increasing souring...
Proceedings Papers

... risers, taper stress joints, fasteners Forgings, seamless pipe, bar, billet 29 Production and export risers, taper stress joints, flowlines, jumpers, downhole tubulars/liners Forgings, seamless pipe, billet 19, 20 Safety valves, pressure bottles, logging and other downhole tools, mud-motors...
Proceedings Papers

...Abstract A riser forms the connection between the top side of an off-shore platform and a pipeline on the sea-bed. Such pipeline systems may be equipped with launch and receive facilities for cleaning and general intelligent pigging of the entire pipeline. The riser may be of different material...
Proceedings Papers

... ultrasonic pigs have been developed. [ 1 ] (Off)loading lines and open risers often only provide single sided access and are not equipped with pig launch-and receive traps. For this category of pipelines, RTD developed cable operated ultrasonic pigs. This paper provides an overview of the possibilities...
Proceedings Papers

... in June 1984. Here the tethers, risers and flare boom were coated with TSA-coating ( Figure 1 ). The background and evaluations of the use of a TSA-system for submerged and splash zone protection of the tethers and risers have been presented earlier 14 , 15 , 16 , 17 . The TSA-coating...