Blar i USN Open Archive på emneord "open channel flow"

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    • Modelling and estimation for return mud flow during drilling 

      Ruiz, Ivan Alejandro Pirir (Master thesis, 2017)
      Oil drilling is performed to retrieve gas and petroleum from reservoirs that can be kilometers down the earth surface. During a drilling operation, drilling fluid is pumped into the well to remove cuttings and maintain a ...

    • Transient drilling fluid flow in Venturi channels: comparing 3D and 1D models to experimental data 

      Welahettige, Prasanna Kumara Welahetti (Doctoral dissertations at the University of South-Eastern Norway;41, Doctoral thesis, 2019-09-26)
      In well drilling operations, bottom hole pressure control within a narrow pressure margin has a high risk of influx (kick) and outflux (loss) at greater depths. Kick occurs when the formation pressure is higher than ...