SYSTEMS AND METHODS FOR ENHANCING STEAM DISTRIBUTION AND PRODUCTION IN SAGD OPERATIONS
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United States of America Patent
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Issued Date -
Apr 9, 2015
app pub date -
Oct 7, 2014
filing date -
Oct 7, 2013
priority date (Note) -
Abandoned
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Abstract
A system for recovering hydrocarbons from a subterranean formation with steam-assisted gravity drainage (SAGD) includes a steam injection well. The steam injection well includes a first portion extending from the surface through an unconsolidated layer of the formation to a consolidated layer of the formation, a second portion extending horizontally through the consolidated layer, and a plurality of third portions extending from the second portion. Each third portion extends upward from the second portion into the unconsolidated layer of the formation and a hydrocarbon reservoir in the unconsolidated layer of the formation. In addition, the system includes a production well. The production well includes a first portion extending from the surface through the unconsolidated and a second portion extending horizontally through the unconsolidated layer. The second portion of the production well is vertically positioned above the second portion of the steam injection well.
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