07717171 is referenced by 106 patents and cites 1062 patents.

A method for treating a tar sands formation is disclosed. The method includes heating a first portion of a hydrocarbon layer in the formation from one or more heaters located in the first portion. The heat is controlled to increase a fluid injectivity of the first portion. A drive fluid and/or an oxidizing fluid is injected and/or created in the first portion to cause at least some hydrocarbons to move from a second portion of the hydrocarbon layer to a third portion of the hydrocarbon layer. The second portion is between the first portion and the third portion. The first, second, and third portions are horizontally displaced from each other. The third portion is heated from one or more heaters located in the third portion. Hydrocarbons are produced from the third portion of the formation. The hydrocarbons include at least some hydrocarbons from the second portion of the formation.

Title
Moving hydrocarbons through portions of tar sands formations with a fluid
Application Number
11/975679
Publication Number
7717171 (B2)
Application Date
October 19, 2007
Publication Date
May 18, 2010
Inventor
Weijian Mo
Sugar Land
TX, US
Namit Jaiswal
Houston
TX, US
John Michael Karanikas
Houston
TX, US
Harold J Vinegar
Bellaire
TX, US
Ramesh Raju Mudunuri
Houston
TX, US
George Leo Stegemeier
Houston
TX, US
Assignee
Shell Oil Company
TX, US
IPC
E21B 43/243
E21B 43/24
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