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Keywords: frequency
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32329-MS
... inhibition machine learning division 2 histogram inspection h2s management complex reservoir artificial intelligence fatigue life crack size api 17tr8 fcgr curve fatigue analysis requirement geometry fatigue failure frequency fatigue screening test data load histogram offshore technology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32284-MS
... subsea cable mean stress test result frequency copper conductor stress coefficient offshore technology conference Introduction As opposed to its bottom-fixed counterpart, floating offshore wind requires dynamic cables for its electrical infrastructure. This entails the inter-array network...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32368-MS
... in the wave basin using operational and extreme seas. Results indicate that the RTED attenuates dynamics in all components of the system, over a broad range of frequencies. Findings also reveal complexities which can be associated with dynamic attributes of control system embodiments at sub-scale, thereby...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32415-MS
... misalignment are investigated numerically using coupled aero-hydro-servo-elastic model in time domain for both operational and extreme conditions. Statistics of each design parameter are discussed for various design load conditions. A sensitivity study of floating tower natural frequency was also carried out...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31706-MS
... for the NAM L13-F1-1 platform on the Dutch sector of the North Sea. frequency granular soil vibro driveability displacement vibratory hammer modeling & simulation dynamic driving force hammer frequency hook load driveability hammer vibratory upstream oil & gas offshore technology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31719-MS
... material or are unachievable in other ways, including zero or negative refractive index, extremely high reflectivity or absorption of specific frequencies, or highly directional absorption and emission spectra orders of magnitude larger than their feature size. The first metamaterial product, wireless...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31949-MS
... acoustic modes in the pipe and structural mode frequencies. This paper takes this notion further, translating the structural modes into a predictable fatigue life using S-N curves. A typical AIV broadband excitation level can range anywhere between 100Hz – 3000Hz. Modal analysis of the pipework near...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32014-MS
... velocity potential upstream oil & gas environmental condition domain analysis frequency mean wind speed offshore renewable irregular wave model statistics ocean energy weibull distribution amplitude significant wave height incident wave application spectrum offshore technology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32132-MS
... materials and corrosion artificial intelligence waterflooding upstream oil & gas pipeline offshore pipeline pipeline leak detection automated subsea pipeline leak detection akhmetkaliyeva masuri riser corrosion frequency leakage offshore technology conference leak oil spill...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31828-MS
... wave analysis of drilling equipment to assess its health condition and to predict equipment failure by detecting anomalous sound patterns in both time and frequency domains, and apply predictive maintenance. Machines can produce noise with frequencies higher than the upper audible limit of human...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31823-MS
... consequences and estimated failure rates of mooring lines. frequency information mooring failure preemptive replacement upstream oil & gas mooring line failure rate offshore unit mooring system line failure failure event mooring integrity issue subsea system operator replacement...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31760-MS
... and consequence modelling tools available to date. climate change risk and uncertainty assessment offshore pipeline sustainability risk management midstream oil & gas air emission concentration cfd model carbon dioxide sustainable development social responsibility frequency co 2 database...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31049-MS
... at various sites, mostly covering calm weather conditions. upstream oil & gas radar doppler frequency spectra social responsibility detector coastal water fm noise filter offshore technology conference spectrum sustainability internal noise raw data filter footprint time series...
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-30917-MS
... is the magnetic permeability of i th pipe and ecc i,j is the eccentricity of i th pipe with respect to j th pipe; m: vector of M complex measurements from different receivers and frequencies, M=N rcv ×N f , where N rcv and N f are the number of receivers and frequencies, respectively...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31258-MS
... sloshing leads to unpredictable motion response of floating vessels that should be accounted for in the design and offloading operations of FPSO. upstream oil & gas cargo floating production storage & offloading frequency wave wire secondary peak offshore technology conference wave...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31222-MS
... Dynamics (CFD). Structural Finite Element Analysis (FEA) was performed to obtain local tensions to estimate productive life of lines. completion equipment simulation protection displacement numerical simulation frequency control line encapsulation flow port vibration interface encapsulation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31329-MS
... A multilobe power section was selected to deliver a large flow by-pass through the rotor as shown in Fig 1 . This flow by-pass is controlled by a downstream nozzle to optimize the flow split and operational frequency that is tailored for each application. A well-balanced flow split is calculated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31020-MS
... currents, such as those due to the Loop Current (LC) and meso-scale eddies. The Industry has a practice of applying an ‘uplift’ to estimates of current velocity to account for the effect of tidal and inertial currents in cases when observations or model estimates do not resolve the high-frequency current...

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