... due to the resulting heavy wall thicknesses and the higher deformation rates in processing plates to pipe. On the other hand the developments towards even higher grades are influenced by discussions concerning an increased carbon content and local hard spots. The presented information will show...

... cellular tendon design subsea system wall thickness installation conventional tendon tendon design cellular tendon tendon section area tlp hybrid cellular tendon ultra-deep water stiffness pipe string end fixture requirement OTC-24305-MS Cellular Tendon - Enabling Technology...

... improvement is possible, and that further work in the area could be of significant value to the industry, helping to ensure appropriate run-repair-replace decision-making in the future. aspect ratio flowline corrosion flaw fatigue life fracture mechanics latent flaw wall thickness flaw size...

...-5L X70 and higher wall thickness of grade API-5L X65. The feasibility of the production of such steels will be demonstrated by the presentation of recent deliveries, also interesting for the Brazilian market. Introduction The most line pipe projects with full sour service applications use...

... Abstract Offshore oil & gas construction pipes for deep water are exposed to high collapse pressure, to high axial loads and partly to fatigue in the girth welds. Pipes suitable for this application are characterized by heavy wall thickness, higher strength material, by tighter tolerances...

... resistance corrosion management mechanical property requirement offshore technology conference wall thickness thickness pipe oilfield chemistry sour service application specimen microstructure weld metal production chemistry deep water corrosion inhibition heavy wall uoe sawl...

... psi internal water pressure high pressure drill pipe riser deployment riser wall thickness otc 22226 offshore technology conference operation qualification OTC 22226 Successful Qualification and Deployment of a High Pressure Drill Pipe Riser in West Africa Mathieu Camus, Pascal Auclair...

... section for weight. The drill collar may be 2 inch internal diameter by 10 inch external diameter for a 4 inch wall thickness. When the drill collars are utilized, they are in compression setting weight down on the drill bit. They see tension loading only when they are run and retrieved. When...

... applications such as J-lay collars, buckle arrestors and risers. The paper presents the latest results on industrial studies on high strength heavy-wall pipes in grades X70 and X80 with wall thickness up to 80mm, which are manufactured by seamless hot-rolling and subsequent quench and temper treated. Vallourec...

... were 276.2 mm (10.875-inch) outer diameter (OD) x 25.4 mm (1.0-inch) wall thickness, 298 mm (11.73-inch) OD x 38.9 mm (1.53-inch) wall thickness and 381 mm (15.0-inch) OD x 27.9 mm (1.1-inch) wall thickness, all C-110 pipe material for phases 1 3. For phases 4 and 5, Grade X90, 219 mm OD (8.625-inch...