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Keywords: frequency
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30526-MS
... information equipment degradation intervention degradation stoppage event interpretation upstream oil & gas metadata representation indicator artificial intelligence reliability history work order frequency Gomes , J. P. , Rodrigues , L. R. , Leao , B. P. , Galvao , R...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30587-MS
... vibration frequency Presentation of OTC-30587-MS Presentation of OTC-30587-MS Basse , N. , "A review of the theory of Coriolis flow meter measurement errors due to entrained particles," Flow Measurement and Instrumentation , 2014 , Vol. 37 , pp. 107 – 118 . Belhadj , A...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30690-MS
... given. 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30718-MS
... test safety factor viv cross-flow viv jip response curve jumper system response model frequency guidance note upstream oil & gas assessment API Recommended Practice 17R ( 2015 ), Recommended Practice for Flowline Connectors and Jumpers , American Petroleum Institute API...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30737-MS
... text-mining techniques. The techniques include: term frequency-inverse document frequency (TF-IDF), clustering, association rules, term matrix creation, and lexicon development for pre-processing text. In isolation these techniques have shown to be effective in non-industrial pursuits, such as...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30864-MS
... slug lengths in multiphase transport systems, which is a critical matter for oil field operators. slug length evolution bendiksen model evolution experiment mechanism frequency slug catcher slug upstream oil & gas graph prediction slug flow multiphase flow slug length slug...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30826-MS
... work vessel inspection equipment count reduction gas processing attendance functional specification specification frequency platform design data mining separator Presentation of OTC-30826-MS Presentation of OTC-30826-MS OTC-30826-MS Demanning Offshore Process Facilities Richard...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30666-MS
... shear slowness of the formation. These devices are able to transmit acoustic wave at different frequencies and receive them after propagation through a medium, applicable in cased hole condition. This paper presents a case study where the LWD Acoustic technology was successfully used to evaluate the...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29239-MS
... to observed VIV amplitudes and frequencies. Analysis results indicate that industry standard fatigue assessment is indeed conservative. Sensitivities are conducted and presented on key design parameters that are known to be conservatively used in design such as hydrodynamic coefficients and SHEAR7...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29236-MS
... soil resistance–displacement relationship for input to fatigue analysis. spring-dashpot method offshore well displacement stiffness soil response framework soil spring diameter fatigue assessment conductor frequency fatigue analysis upstream oil & gas apparatus spring-only method...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29223-MS
... upstream oil & gas loading subsea system dmn curve fatigue life test specimen mean stress offshore technology conference crack initiation location frequency subsea production equipment fatigue testing hot spot mean dmn curve Presentation of OTC-29223-MS Presentation of OTC-29223-MS...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29238-MS
... participants directly involved in offshore and onshore (particularly the upstream stage) gas projects, who were requested to indicate via five-point Likert scale the frequency of occurrence and severity of each NTR. We identified 18 NTRs categorised into the political and regulatory risks, economic/financial...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29267-MS
... distributed along the pipes and some were left floating in the water. A hydrophone array was secured to the vertical pipe segment and distributed along the horizontal pipe segment to make conventional geophysical imaging measurements. Seismic sources with different frequencies were used, a piezoelectric...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29344-MS
... are discussed. The responses are quantified and compared using power spectral densities (to delineate low, wave and high frequency effects) and extreme statistics. Comparisons discussed in this paper underscore the importance of adaptability of platform features to maintain favorable responses of...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29334-MS
... information minimum amplitude offshore technology conference single sand depositional sequence seismic data frequency reservoir characterization thickness guantao formation fine description stratigraphic framework amplitude sand thickness oilfield thin sand sand body upstream oil & gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29382-MS
... . Yu Peng , Li Zhenchun . Application of frequency-divided technique in reservoir prediction [J] . Progress in Exploration Geophysics , 2007 , 29 ( 6 ): 419 – 423 . Chakraborty A , Okaya D. 1995 . Frequency-time decomposition of seismic data using wavelet-based methods...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29391-MS
.... The multiphase compressor, with its two-motor contrarotating design, ensures not only efficient power system compatibility but can contribute to game changing step-out topologies due to the low transmission frequency required for the power supply. Minimizing the complexity of both process and power...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29503-MS
... many false alarms. This work demonstrates that machine learning techniques can accurately predict damaging VIV events in the field using minimal number of sensors. Such accurate predictions were not possible using traditional methods. peak frequency flex joint rms tilt angle false negative...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29500-MS
... Jacket Clustering 10 OTC-29500-MS Analysis The ANSYS ASAS software package was used for global strength analyses of the WTG s foundation and substructure. This software contained all of the necessary tools for wave load assessment, natural frequency calculation, strength and fatigue assessment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29604-MS
... hydrate deposits is presented with an emphasis on low frequency exploration 3D seismic for imaging gas hydrate deposits at the base of gas hydrate stability. hydrate stability mcconnell seismic data gas hydrate deposit reservoir characterization reflector saturation sediment gas hydrate...

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