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Keywords: roughness
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31726-MS
... oscillatory motions of the riser near the Touch Down Point (TDP). Several opportunities of reducing conservatism are presented based on using variable hydrodynamic coefficient-based analysis. Hydrodynamic coefficients are dependent on surface roughness, nature of the flow (steady vs. unsteady) and presence...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31130-MS
... area of each existing asset. water management enhanced recovery subsea system subsea production equipment field development daisy chain tie back subsea processing flowline sepdu production chemistry renewable energy roughness controls and umbilicals oilfield chemistry upstream oil...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31268-MS
...-grained soil types of both silica and carbonate minerology tested against pipeline coatings of various material, hardness and roughness. The database populates a framework for assessing frictional pipe-soil interaction response, illuminating key trends from normal stress, interface roughness and hardness...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28671-MS
..., and several types of pipeline coatings. The database populates a theoretical framework for axial pipe-soil interaction with new data, illustrating general trends for key parameters such as shearing duration, normal stress, interface roughness, and changing pipeline weight, each of which is shown to vary...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28714-MS
... was observed between the two laboratories using the same testing conditions with the same CF equipment and equipment specifications, under similar procedures for a given crude oil. In this study, it was observed that shear and CF roughness can play a significant role on PI test results. Rougher CFs tend...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27838-MS
.... offshore technology conference haneberg resolution bathymetry dataset midstream oil & gas routing route optimization pipeline route selection geohazard scenario 1 pipeline data resolution roughness geocost map reservoir characterization offshore pipeline exploration seismic...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27232-MS
... simulation flow assurance information design simulator engineer boundary condition reservoir surveillance flow metering multiphase flow simulation accuracy upstream oil & gas pipeline real-time system roughness field 3 production control well performance production...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25244-MS
... elevations. roughness boundary layer representation variation wind speed artificial intelligence velocity profile rp 2met drag coefficient mean velocity profile esdu model coefficient sea surface drag coefficient upstream oil & gas api rp 2met hurricane boundary layer hurricane...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25097-MS
... Abstract The deposit surface roughness has a direct impact on the pressure drop of turbulent flow in flow lines. Currently, an arbitrary roughness value for the deposit roughness, typically the pipe roughness value, or reference measured pressure gradient is used in deposit thickness...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25109-MS
... operating conditions. For the condensate liquid, wax deposit surface roughness was found to significantly contribute to the pressure drop increases, and therefore, increase in the measured pressure drop cannot be solely attributed to deposit thickness increase. For the commingled fluid system, the simulator...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23936-MS
..., heating or mechanical scraping, could be replaced or supported through coating surfaces that provide a weak adhesion to adhering ice (Antonini et al., 2011). flowline corrosion roughness protection wettability strength oilfield chemistry international standard organization contact angle us...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24045-MS
... to regulate biofouling on ships. Adding to this IAS issue the resistance attributed to biofouling and hull roughness are other important aspects to consider for improving the energy efficiency of a ship's operation and reducing CO2 emissions, which has been reflected in the IMO Marine Environment Protection...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20613-MS
... for calculating chain wear. The method that has been developed, which is shown schematically in Figure 3, is based on a modified form of Archard s Wear Equation [7] [8] taking into account surface roughness, as shown below: = H F R RKdV n b a wear 3 Equation 1 where Ra and Rb are the means of the absolute...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20662-MS
... with the observations from cores and visual surveys from manned-submersible platforms. Physical properties and seafloor roughness dominate the backscatter strength in seep associated sediments. In addition, quantitative information on the backscatter data gained from this modeling excersize and those done by others...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18348-MS
... riser application roughness vortex-induced vibration analysis Copyright 2006, Offshore Technology Conference This paper was prepared for presentation at the 2006 Offshore Technology Conference held in Houston, Texas, U.S.A., 1 4 May 2006. This paper was selected for presentation by an OTC Program...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16183-MS
... pipe displacement response displacement test configuration upstream oil & gas roughness diameter otc 16183 suppression riser test data offshore technology conference calibration accelerometer frequency prediction cylinder vibration frequency reynolds number Copyright...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16341-MS
... a smooth bare cylinder, bare cylinders with three levels of roughness, and a straked cylin- der. The tests covered ranges of reduced velocity, Reynolds number, frequency of vibration, and vibration amplitude that are of interest for deepwater risers, at a realistic riser mass ratio. This VIV Test Rig...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15242-MS
.... Roughness can be added to the hard tank of the Spar to minimize scale effects. The paper discusses possible scale effects and the effect of hull roughness on model test results. The repeatability of VIV model tests and reliability of these tests in representing the full-scale situation is discussed...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15131-MS
.... reservoir simulation inflow performance horizontal well well length roughness slotted liner ess well completion completion installation and operations ess friction pressure breakthrough water breakthrough conformance improvement completion option inflow profile egp completion upstream oil...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15150-MS
... & gas pressure drop reservoir surveillance ess screen id egp roughness sand control fluid dynamics well length breakthrough time flow in porous media water breakthrough pipe enhanced recovery inflow breakthrough Copyright 2003, Offshore Technology Conference This paper was prepared...
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