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Keywords: amplitude
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35311-MS
... configuration sidetrack operation liner figure operation amplitude offshore technology conference curvature riser conference vibration houston pipe subsea wellhead rotation ttr Introduction Sidetrack Operations Through Existing TTRs The Devils Tower wells were predrilled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35333-MS
... of the risk mitigating measures taken. resistance penetration kpa geologist installation aid amplitude validation calculation risk management transition installation aids crane geology assessment monopile undrained shear strength punch offshore technology conference permeability...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35241-MS
... ( Skau et al., 2018 ; Bagheri and Kim, 2019 ). However, the cyclic rolling amplitudes of these tests or simulations were not as large (e.g. 0.5 degree, 0.1D, D is the diameter of the SCF) as those experienced by a BT. And the DNV (2018) code gives 0.25 degrees and 0.5 degrees for the allowable tilt...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35077-MS
... structure, even at un-instrumented locations subjected to local effects. subsea system monitoring floating production systems deviation conversion matrix configuration stiffener structural health monitoring starboard distortion amplitude hybrid structural health monitoring reconstruction...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31949-MS
... floating production storage and offloading contribution amplitude fatigue life power level pipework cyclical load damage allowance Background Acoustic induced vibration [AIV] in the pipework is associated with high frequency fatigue failures at the piping discontinuities. When high pressure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31917-MS
... oscillates in its second torsional eigenmode (low amplitude at baseplate, high amplitude at damper element) with frequency and amplitude as high as in a real environment in the field. A heater is used to heat up the system to temperatures similar as operating temperature (up to 170 °C). The system response...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32014-MS
.... A linear irregular wave model is a sum of many small linear wave components with different amplitude, phase, frequency and direction. The phases as well as amplitudes are random with respect to each other. Wave Spectra Each sea state in a scatter diagram can be described by the spectral distribution...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32106-MS
... properties and operational conditions to demonstrate how to determine the safety margins of residual curvature method used in deepwater applications. upstream oil & gas rotation offshore pipeline buckle rcm residual curvature section subsea system bottom lay tension amplitude reliability...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31719-MS
... frequency particle receiver defect frequency range composite well band gap effect void amplitude offshore technology conference cement evaluation Introduction Background Cement serves an important role in securing and protecting wells for oil and gas production, fluid injection, carbon...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31792-MS
... method central specimen proceedings plastic strain offshore pipeline pipe sample stress triaxiality longitudinal specimen as-received pipe steel amplitude offshore technology conference midstream oil & gas tensile strength tensile property simulation specimen gauge area mean cv...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31809-MS
... profiles and eight recorded acceleration time histories, the design acceleration spectrum was developed based on the envelope of the 24 calculated acceleration spectra. The acceleration amplitudes of the design spectrum in the short period range are slightly larger using the calculated curves than...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30985-MS
... measurement prediction database reconstruction vortex-induced vibration triantafyllou vibration rigid cylinder hydrodynamic coefficient deeponet hydrodynamic database experiment amplitude offshore technology conference Introduction The dynamic response of marine risers placed in ocean...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31236-MS
... chemistry consistometer consistency analysis amplitude well decommissioning resin polymerization atmospheric pressure pressure effect evolution resin gelled capt gelation cement property consistency evolution casing and cementing offshore technology conference pressurized consistometer...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30921-MS
... production storage and offloading industry practice amplitude ur value floating production storage & offloading vim response vortex induced motion vim amplitude offshore technology conference screening test tank test interactive numerical-experimental approach Introduction The VIM...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31102-MS
... complex shallow sediments. Instantaneous amplitude, phase, and frequency are the most widely used seismic attributes to indicate geological features, but those time-domain data are too limited to define an accurate subsurface model in depth. Therefore, seismic inversion is also required to generate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31100-MS
... campaign on the Dvalin Field in the Norwegian Sea, owing to significant advantages on operational efficiency and tool conveyance in any well trajectory. Cement bond evaluation from conventional peak-to-peak amplitude method has shown robust results up to bond indexes of 0.6 for LWD sonic tools. Above...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31319-MS
... casing deformation. This technique can also help in designing the right drilling BHA for sidetracking based on the minimum ID of the outer pipe through which slot recovery or side-track has to be performed. reservoir characterization cement openhole amplitude upstream oil & gas diameter...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30718-MS
... guidance. The paper includes the new response model along with VIV screening, safety factors and unique considerations required for fatigue assessment of jumper systems. response curve offshore technology conference test data inline cautionary note amplitude offshore pipeline model test...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30666-MS
... acoustic waves and compute the acoustic energy propagating through the casing, the cement and the formation. The amplitude and the attenuation of the returned wave can be correlated with Bond Index (BI), due to the difference in acoustic impedance between casing and cement. Over years, different wireline...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29604-MS
... intelligence frequency hydrate upstream oil & gas amplitude gas hydrate stability gas hydrate stability zone gas hydrate saturation Bangs , N. L. , D. S. Sawyer , and X. Golovchenko , 1993 , Free gas at the base of the gas hydrate zone in the vicinity of the Chile triple...

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