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Keywords: equation
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31865-MS
... of deep earth stresses, the industries, especially in petroleum engineering, have generally applied the indirect methods ( Moeck et al., 2009 ). These indirect methods are based on mathematical equations which are founded on the principle of elasticity and empirical correlations using laboratory...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31906-MS
... and numerical computation platform. The mathematical approach will be through the model already described, but also based on Simo and Hughes (1997) , in which an internal variable is created that is dependent on material properties, time and the Piola-Kirchhoff stress tensor, Equation (9) . The development...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32088-MS
... reservoir surveillance high-performance deh-pip electrical conductivity application efficiency outer pipe electrical efficiency equation deh-pip inner pipe electrical model configuration supply voltage flowline pipe heating power offshore technology conference Context During the last...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32092-MS
...-sensitive reservoir. The nonlinear hydraulic diffusivity equation (NHDE) is solved analytically through an integro-differential model coupled to Green’s function (GF) related to a semi-infinite oil source plan that represents a hydraulic fracture. The NHDE is perturbed using a first-order asymptotic series...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31983-MS
... Ultimate Limit-State (KT ULS) equation indicates that the KT ULS equation in the current API Technical Report 5C3 (API TR 5C3) does not capture this nonlinear relationship. This is probably due to the limitation of the API historical collapse test data upon which the KT ULS equation was calibrated...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31734-MS
..., Downtown - Brazil. His research interests include formation damage control, drilling, applied differential equations, waves propagation and transport phenomena in porous media, geomechanics, temperature, and pressure transient analysis. He is also a scientific and technical reviewer from American Rock...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31758-MS
... monitoring reserves evaluation pdhg production control artificial intelligence surface shut-in new well field measurement equation downhole sensor upstream oil & gas shut-in event decline-curve model pbdd model wellbore pdhg pressure pressure profile temperature profile ml model...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32014-MS
... frequency mean wind speed offshore renewable irregular wave model statistics ocean energy weibull distribution amplitude significant wave height incident wave application spectrum offshore technology conference wind speed equation Introduction Offshore renewable facilities ("offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32041-MS
... similarities to modeling oil and gas reservoirs ( Kennedy et al., 2010 ). Geothermal reservoir simulation involves the solution of highly nonlinear, coupled equations for flow and heat transport in heterogeneous reservoirs with fractures. The results from reservoir modeling can assist engineers and executives...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31809-MS
... curves than the laboratory curves. For periods longer than 0.27 seconds, the acceleration amplitudes of the design acceleration spectra are identical for practical purposes when both calculated and laboratory curves are used. Therefore, it is recommened to use the equations presented herein to calculate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31816-MS
... to API RP 17V requirements. real time system well integrity enhanced recovery upstream oil & gas integrity real time monitoring system safety factor temperature profile wellbore integrity real time well integrity management x-tree sensor equation variation wellbore design...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31153-MS
... of normalized shear modulus (G/G max ) and material damping ratio (D) over the complete range of shear strains of interest can be defined. Abstract Abstract Equations to calculate the modulus reduction curve (G/G max -γ) and material damping ratio curve (D-γ) of calcareous clay and clayey carbonate mud...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30981-MS
... (1) (Slope of Choke Size)  t = ( Choke Size ) t − ( Choke Size ) t − 1 Δ t (3) If ( Slope of Choke Size ) t and ( Slope of Rate ) t ≥ 0 , Choke Health = 0 The logical statement in equation.3 is simply...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30629-MS
... assessed available parametrized equations of the JONSWAP spectra in order to verify their applications for easing the application of the GA model. The modeled results demonstrated the capability of the GA model to find the best alpha and gamma values of the spectra for normal and extreme sea state...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30729-MS
... coefficient scr tension friction coefficient soil friction coefficient frictional force seabed slope anchor equation global seabed slope submerged weight steel catenary riser riser tension Gautam Chaudhury "Managing Unidirectional Movements (Walk) of HPHT Submarine Flowlinesduring...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30758-MS
... are presented for the accurate mathematical modeling and their applicability and limitations for successful MPD operations. frictional pressure loss hydraulic model equation bhp drilling operation calibration drilling fluids and materials iteration friction pressure loss pressure loss calibration...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30776-MS
... schiozer upstream oil & gas ensemble scenario reservoir simulation machine learning rms equation icm morosov optimization process workflow production data bottom-up analysis simulation model clfd workflow optimization problem field development artificial intelligence information...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30862-MS
... power sensor. This sensor is using 4Subsea proprietary technology, and details of this device will not be described further in this paper. OTC-30862-MS 3 Figure 1 Strain sensor The average strain along the sensor axis is calculated according to equation (1) (1) Where: average - Is the average strain...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30827-MS
... operations, such as hydraulic, torque and drag and cuttings transport, and by the validation of the results by subject matter experts. This work presents how the proposed approach incrementally improves closing equations coefficients with learning feedback, i.e. having historical data from sensors...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30901-MS
..., leading to greater exposure time for the cable and offshore personnel. More accurate predictions at the planning stage can remove these conservatisms, introducing a more efficient installation and operation phase. fluke length equation completion installation and operations anchor penetration...

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