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Keywords: noise
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Proceedings Papers
Unveiling the Power of Sound for Deepwater Assets
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35926-MS
... for broader deployments in the future. wellbore design hydraulic jet pump multiphase pump artificial intelligence wellbore integrity mapping subsea system artificial lift system remotely operated vehicle noise hydrophone rov noise subsea equipment frequency range beamforming acoustic...
Proceedings Papers
A Critical Appraisal of Seismic Cone Penetration Testing
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35178-MS
... critical appraisal noise determination seismic cone penetration testing Introduction As a result of the rapid growth in offshore windfarm development in the last decade, the need for high quality determinations of the Small Strain Shear Modulus G max , especially just below the seabed...
Proceedings Papers
Interpretation of Pressure Transient Measurements in Realistic Geological Models Using Bayesian Inversion and Surrogate Modeling
Available to PurchaseLei Jiang, Morten Kristensen, Santa Kumar Teaga Rajan, Eghbal Motaei, Romain Prioul, Saifon Daungkaew, Francois-Xavier Dubost
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35431-MS
... model interpretation evaluation noise accuracy meanape correlation technology conference Introduction A conventional formation testing tool can investigate tens of meters into the formation during a pressure transient test. To interpret the measurements, analytical solutions...
Proceedings Papers
Reducing Time-Lapse Seismic Data Acquisition Cost with Deep Learning
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35401-MS
... learning information time-lapse seismic data acquisition cost neural network algorithm sparse workflow reservoir characterization baseline dataset reconstruction dataset artificial intelligence monitoring dataset subsurface information geophysics noise application offshore technology...
Proceedings Papers
An Extended Mini-DST Depth of Investigation Using a New Formation Testing Tool and Innovative Analytical Model
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32638-MS
... (1) r i = 0.029 k t φ μ c t This equation only accounts for permeability, porosity, fluid viscosity, and total compressibility. The equation does not consider flow rate, gauge resolution, and noise and assumes the reservoir has a circular closed boundary...
Proceedings Papers
Recent Progress in Applying Advanced Computation Methods to Radar-Based Wave Measurements
Available to PurchasePublisher: Offshore Technology Conference
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 sustainable development frequency pulse-doppler radar noise height measurement offshore technology conference wave...
Proceedings Papers
A Critical Appraisal of the Benefits of and Obstacles to Gaining Quality Data with Offshore Seismic CPT and P-S Logging.
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29485-MS
... conditions in terms of borehole diameter, irregularity of its walls (rugosity and/roughness), cavitation issues, fractures and ambient noises (especially at shallow depth), as well as borehole stability. The analysis of the results confirmed that both in-situ testing methods have promising potential...
Proceedings Papers
Repeat AUV MBES Surveys for Deepwater Seafloor Change Detection
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28738-MS
..., fluid expulsion, volcanism, and biological activity. If AUV survey design does not consider the practical limits to change detection and include best practices to minimize noise, however, the results may be ambiguous or even useless. Using a series of simulations combining real bathymetric digital...
Proceedings Papers
Sustainable Offshore Wind Energy: Faster and Larger at Lower Cost and Less Environmental Impact
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28834-MS
... with limited dependency on sea state. At the same time, wind turbine manufacturers are developing larger offshore wind turbines and legislators are instituting more limitations, for example on the emissions of underwater noise. These developments create additional challenges for upscaling the installation...
Proceedings Papers
Petro-Physically Driven Quality Control of Dielectric Logging
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27723-MS
... should be judged based on the acceptable range of variations for inferred parameters as well as related confidence levels. These would lead to an acceptable noise level in the recorded data. Having access to the aforementioned quality control criteria can be very useful for example when the tool...
Proceedings Papers
Pipeline Leak and Impact Detection System - PipeLIDS - Monitoring Product Dedicated to Onshore Pipelines
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27026-MS
... and the environment can be significant. The pipeline operator's public image can be damaged with non- negligible economic or political consequences. PipeLIDS has been developed to minimize the consequences of leaks from onshore pipelines. It uses acoustic technology for detection of noise generated by impacts...
Proceedings Papers
New Marine Seismic Refraction Technology and Survey Techniques: From Concept to Completion Offshore Mozambique, East Africa, 2015
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27308-MS
... the seafloor. This introduces substantial noise into the data and can only be done safely on smooth, sandy/muddy substrates. The escarpment's surface was highly irregular with boulders and ledges. Thus, a cable design was employed where the active hydrophone was suspended just above the seafloor. This reduced...
Proceedings Papers
In-Situ Production Profiling for Recovery Optimization via Fiber-Optic Monitoring
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26938-MS
... is similar to a geophone array used in seismic measurement or acoustic logging tool. The producing fluid through the perforation or intelligent valve generates flow induced acoustic noise. As a qualitative measure, the flow induced acoustic noise is recorded by DAS at each producing location along...
Proceedings Papers
Measurement of Wellhead Fatigue
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25684-MS
... & gas calibration fatigue life bop response measurement instrument fatigue damage accumulation transfer function stiffness assessment noise frequency displacement measurement device wellhead fatigue wellhead system References References Ward , P. and Rimmer...
Proceedings Papers
The Application of Noise Attenuation Method Based on Frequency and Amplitude in China's Bohai Bay
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25180-MS
... Abstract Noise attenuation is one of the most important steps in seismic data processing and it directly affects the final imaging quality of seismic data. Traditional de-noising methods can easily eliminate simple noise, such as spike noise or linear noise, but they can't efficiently handle...
Proceedings Papers
New Opportunities from 4D Seismic and Lithology Prediction at Ringhorne Field, Norwegian North Sea
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23700-MS
... lithology prediction water sweep water breakthrough impedance change noise inversion constraint OTC 23700 New Opportunities from 4D Seismic and Lithology Prediction at Ringhorne Field, Norwegian North Sea David H. Johnston, ExxonMobil Production Co. Upendra Tiwari, ExxonMobil Exploration Co...
Proceedings Papers
Fiber-Optic Distributed Vibration Sensing Provides Technique for Detecting Sand Production
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20429-MS
... between the sound generated by multiphase flow noise and increased sand production is distinguishable with regard to frequency content. To assess the prototype system, several candidate wells with sand production issues were selected from the Deepwater Gunashli (DWG) field in Azerbaijan. These wells had...
Proceedings Papers
Real-Time Completion Monitoring Estimates Production Impairment With Acoustics Waves
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19213-MS
... real time system perforation upstream oil & gas log analysis noise gravel sand impairment well logging real-time completion sensor open screen scenario bakulin reservoir surveillance experiment production logging gravel pack production monitoring completion OTC 19213 Real-Time...
Proceedings Papers
Emerging Geophysical Technologies: Downhole Microseismic Reservoir Monitoring (MRM): A New Instrumentation Technology for Monitoring the Digital Oilfield
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19693-MS
... installation microseismic event otc 19693 magnitude seismic technology noise floor noise deployment reservoir characterization upstream oil & gas microseismic monitoring real time system engineer amplitude offshore technology conference configuration reservoir management sensor OTC...
Proceedings Papers
The Green Canyon Event as Recorded by the Atlantis OBS Node Survey
Available to PurchasePublisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18588-MS
... at the time. At frequencies of 1Hz and below there is a nearly continuous background noise coming primarily from the South and East that rumbles along for the entire 2.5 hours, with a phase velocity across the array of about 2000 m/s. This is most likely ocean wave-generated noise. At frequencies below 2Hz...
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