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Assignment 1 Solution - ENGI 8691 Assignment 1 Solution...

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ENGI 8691 Assignment 1 Solution Spring 2012 Question 1 1) According to Darcy s law for radial flow, [ ( ) ] Substitute parameters in SI units [ ( ) ] 2) For flow rate on Stock tank condition, ?? ? ?𝐶 𝐵 𝑉 𝑑𝑔 ?? ? 𝑠 𝑉 ?? ? 𝑑𝑔 ?? ? 𝑠 ? ?? Question 2 Pressure distribution for half WWS and half blank pipe: (A reference: Iterative techniques in modeling of multi-phase flow in advanced wells and the near well region, Thormod E. Johansen & Vitaly Khoriakov)
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ENGI 8691 Assignment 1 Solution Spring 2012 Pressure distribution for WWS only: Completion method with half blank pipe and half WWS increases flow resistance from reservoir to heel compared with pure WWS completion. It gives a more evenly distributed pressure in annulus and tubing, as well as the flow rate. Besides, the half blank pile half WWS completion method also prevents the oil from flowing directly into heel, contributing to delaying water or gas breakthrough.
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