Schlumberger

Technical Paper: Dynamic and Static Thermal Well Flow Control Simulation

Society: SPE
Paper Number: 130499
Presentation Date: 2010
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Abstract

A preliminary investigation is presented on the use of Inflow/Injection Control Devices (ICDs) to control steam placement in the early stages of a Steam Assisted Gravity Drainage (SAGD) process. The two parts of this process that are examined are the steam circulation period and the early stages of injection/production in which the steam chamber is beginning to form. A SAGD case study has been designed that accurately models the initial circulation period in which both wells circulate steam in order to conductively and, to a lesser extent, convectively heat the region around the well pair in order to establish communication after which both wells switch to injection and production. Flow control is examined in a variety of configurations in the steam injection well  the devices being placed to control steam/water flow along the tubing  along the annulus and from the tubing to the annulus. 

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