... geomechanics pipe pile pile foundation undrained shear strength pipe pile foundation sustainability phyllosilicate subsea system geology social responsibility geological subdiscipline loading wall thickness diameter bearing capacity cyclic loading loading condition stress level platform...

... intelligence sediment hydraulic system geologist hydraulic cylinder sensor climate change wall thickness pressure sample amount geology sampling device fidelity sampling device sea environment leisheng tang experiment end cap diameter hydraulic pump box Proceedings of the Thirty-fifth (2025...

... for optimizing and enhancing overall system reliability. liquified natural gas (lng) artificial intelligence bellow wave height internal pressure wall thickness wave pitch surrogate model geometric parameter optimization problem u-shaped bellow hose mechanical response pareto optimal solution...

... with traditional high-strength aluminum materials, it can reduce the weight by more than 40% while maintaining mechanical strength and has a broad application prospect. sphere implosion composite structure simulation wall thickness resistant structure peak pressure sphere implosion process ocean...

... the relevant equations and associated input parameters. The methodology ultimately facilitates the calculation of the required wall thickness and relates it to an operational envelope. INTRODUCTION At present, transporting vast quantities of hydrogen through submarine pipelines is an important challenge...

... and for some of the frontier pipelines currently planned (Herdiyanti et al., 2024). The figure includes two dashed lines showing the envelope of the current track record. offshore pipeline diameter wall thickness pipelay vessel scenario ultra installation analysis top tension water depth...

..., parametric studies using the numerical model revealed the influence laws of dimensional variations including radius, wall thickness, corrugation radius, and pitch on stress distribution in corrugated pipes. INTRODUCTION With the gradual depletion of terrestrial energy resources, increasing attention has...

... stiffness thickness wall thickness conductor wang numerical simulation platform-drilling riser-blowout preventer system ABSTRACT The subsea wellhead is a key equipment connecting the drilling riser and wellbore in a reservoir formation. During deepwater drilling, the motion of the floating...

... a very thick wall to cope with such, hostile environment. This means that D / t , the diameter-to-wall-thickness ratio, must be low. The analytical limit-state equations included in DNV-ST-F101, a prevailing design standard for submarine pipeline systems, do not work well for pipe with extremely thick...

... to the Turkish gas-transportation network via the Black Sea, as shown in Fig. 1. The system currently has an annual capacity to transport 31.5 bcm of natural gas over approximately 940 km. The line pipe is longitudinally welded with a nominal outer diameter ( D ) of 813.0 mm (i.e., 32 inches) and wall thickness...

... results using the criteria in DNVGL-ST-F101 2017. The propagation buckling criteria is limited to pipeline within 15<D/t<45 in DNVGL-ST-F101 2017, the criteria in this code can be used in the design of high-pressure and large wall thickness pipeline within D/t≤15 and checked by finite element method...

.... The results show that traditional jacket structure doesn't meet the requirements of the specification. The wall thicknesses of pile legs need to be increased to improve the ice-resist performance of the jacket structure. The results show that the ice-resist performance can be improved effectively...

... verification, linepipe material selection, manufacturing quality control, advanced construction quality surveillance and "dry" pre-commissioning of the installed pipeline. midstream oil & gas wall thickness operation pipeline design excursion application hydrotest waiver offshore pipeline...

... Line Pipes in the range of diameters between 18" and 28" and wall thickness up to 40 mm, to demonstrate their suitability for sour service, offshore and low temperature applications. In particular, Sulphide Stress Corrosion Cracking resistance was explored by Four Point Bending Tests in environments...

... joint thickness hot spot stress nominal stress renewable energy solid element welding seam load condition wall thickness wind energy offshore projects planning and execution offshore wind turbine diameter subsea system Study on SCFs of the Tower-Foundation Joints in Jacket Base Offshore...

... of the pipe. The residual stress was then measured during the manufacture of the flaw and was compared with the FE prediction. Ultrasonic measurements were then carried out on the outer surface of the pipe to provide the residual stress and the wall thickness. This ultrasonic sensor can therefore monitor...

... to calculate mean pipeline embedment. midstream oil & gas correlation upstream oil & gas submerged weight regression algorithm local polynomial regression dimension prediction classification algorithm predictor machine learning wall thickness algorithm curvature statistical model...

... ABSTRACT The paper examines the effects of, corrosion induced, wall-thinning on buckling of torispherical, hemispherical and ellipsoidal domed closures. It is assumed that the wall is corroded on outside, only. The ratio of corroded wall thickness, t c , to non-corroded thickness, t, is varied...

... are summarized. fatigue characteristic ool length assessment subsea system ool fatigue life calm buoy fatigue damage west africa pipeline wall thickness upstream oil & gas floating production system characteristic fpso buoy unit displacement wind sea exposure time buoy stress...

... plant piping. Material change from stainless steel to HMS can yield savings in two ways HMS offers higher strength than SS (as noted in Table 1), which can potentially allow smaller wall thicknesses. The reduced volumes can also result in reduced material and fabrication costs. HMS has lower CTE...