Producer snorkel or injector toe-dip to accelerate communication between SAGD producer and injector
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United States of America Patent
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May 19, 2015
Grant Date -
Aug 22, 2013
app pub date -
Feb 22, 2013
filing date -
Feb 22, 2012
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Abstract
Methods and systems relating to steam assisted gravity drainage (SAGD) utilizing well pairs that are at least initially in fluid communication through drilled bores toward their toe ends. At least one of a horizontal injection well and horizontal production well of such a well pair includes a hooked length toward toe ends of each other connecting said injection well and said production well. The methods and systems improve SAGD oil production, reduce SAGD start-up time and costs, and improve overall SAGD performance.
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