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Horizontal drilling
 
   
Document Number
US Patent 7404439
Issued Date
July 29, 2008
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Abstract
A method and apparatus for recovering viscous hydrocarbons from a subsurface reservoir holding the same using an essentially horizontal well bore having a production inlet and containing steam injection tubing that carries a plurality of jet nozzles oriented to emit steam along said injection tubing towards said production inlet.
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Number of Claims:
11
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Published
July 29, 2008
Application Number
11/484,261
Filed
July 11, 2006
US Classification
166/272.3   166/272.7 166/372
Int'l Classification
E21B   43/24   (20060101)   E21B   43/00   (20060101)  
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USPTO Field of Search
166/272.3   166/372   166/272.7   166/303   166/370   166/222   166/223  
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