... threshold significant wave height deepsea bergen exponential distribution rayleigh distribution extreme value forecast non-exceedance probability surge criteria quantile The particulars of the DP system are also shown in Table 1 . The DP system essentially provides restoring stiffness...

... exposure wind fields. The water surface elevation is the surge tide. It includes the storm surge and the astronomical tide. In the Gulf of Mexico, the tide range is small enough for probabilities of different storms happening at different points in the tidal cycle, and thus, it is more efficiently...

.... mooring system accuracy coefficient frequency model test vessel model upstream oil & gas operation estimation objective function correspond parameter value stiffness artificial intelligence marine operation high-precision data prediction forecast simulation wave direction surge...

... and established a methodology. The established methods were then used to predict VIM for Malikai TLP and combined motion of TLP-TAD. The drag and lift coefficient for the lab scale TLP at reduced velocity of 10 and heading of 22.5° was 1.33 and 0.13 respectively. The nominal surge, sway and yaw amplitude...

... riser harsh environment heave rao arrangement sea state cylindrical fpso feasibility offshore technology conference fatigue life moonpool riser case study scr surge OTC 20762 Demonstrating the Feasibility of Steel Catenary Risers from a Cylindrical FPSO in Harsh Deepwater Locations Jan...

... subsea system uniform speed wave height grid point crest elevation mean wind speed return period gulf central region maximum wave height significant wave height storm elevation contour hurricane condition water depth wind speed mexico surge storm surge upstream oil & gas...

... mooring system amplitude otc 16718 spectrum subsea system friction fender friction offshore technology conference newman assumption surge spectra fender frequency surge response nonlinear low-frequency wave excitation ship fundamental wave upstream oil & gas shallow water...

... in loading. The seafloor topography and proximity to the coast also has a large impact on wave and current directionality, water level variations due to tides and storm surge, etc. These site specific conditions are very important and must be addressed in metocean design criteria developed for the site...

... displacements and rotations (heave, surge, sway, yaw, roll and pitch), and ? is a vector of external loads (including environmental loads and loads induced by mooring and transfer lines). x ? )(tf In order to accurately predict the response of a floating body subject to both environmental loading and the non...

... semi frequency inertia quasi-static analysis surge upstream oil & gas lf motion lf rms motion vessel motion fatigue damage floating production system line riser offshore technology conference seastate motion analysis subsea system scr tdp fpso otc 15105 wf motion riser...

... frequency vortex bend stiffener installation curvature bpp technical service amplitude subsea system sensor vibration riser otc 8883 fpso upstream oil & gas frequency component foinaven umbilical performance lyon barnay otc 8883 surge heave Abstract A novel...

... (OTRC) in Texas. This spar has draft h=198m, diameter d=42.7m, and a center well to protect drilling and production risers. We specifically study its reliability against extreme surge offsets, based on state-of-the- art nonlinear diffraction force models (Kim and Yue, 1989). Reliability consequences...

... in order to produce a high quality hindcast database of winds, waves, storm surges and depth-integrated currents for the North European continental shelf (Figure 1.1). The project was funded by eleven Participants (nine oil companies, and two government departments) and the work was carried out...

... response of an SPM tanker to the damping, non-linearities in the mooring system as well as to sea state parameters. To do this, a systematic analysis has been performed and the peak distribution of surge motion and mooring loads have been derived by means of a simplified numerical procedure specifically...

... functions. System development and design emphasised use of proven techniques to meet the results of the analysis with modifications being applied where required for subsea adoption. 1 subsea installation. Variable speed pump and compressor motors, submerged hydraulically actuated gas compressor anti-surge...

... was 1.545 meters (60.85 inches). maxima variation mooring system subsea system basin turret system frequency wave height salm test tanker variability upstream oil & gas time series technology conference salm yaw standard deviation statistical variability repeatability surge...

... buoyancy in the floating structure. The objective is to eliminate heave, roll and pitch motions of the platform by taking the associated loads axially in these vertical legs. The platform does however experience motions of surge, sway and yaw. Among other considerations, hydrodynamic analysis of a TLP...

... that drag forces on the mooring lines can represent the dominating contribution to the surge damping of moored vessels. They have also shown that in order to calculate this damping effect correctly one normally has to take into account the effect of the wave-frequency motions of the vessel, superposed...

... surge decay test contribution irregular wave hull vessel motion equation offshoretechnologyconference mooring system upstream oil & gas friction surge low-frequency vessel motion wave drift low-frequency surge motion subsea system prediction wave drift force OTe 6660...

... shows the locations of the wave probe and accelerometer, and the definitions of surge and sway directions. Measurements were recorded for 50 minutes of each hour. The largest recorded storm was a 26 ft (8 m) significant wave height storm which occurred on December 24. Based upon the significant wave...