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Methods of hydrotreating a liquid stream to remove clogging compounds

United States Patent

September 22, 2009
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method includes producing formation fluid from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a gas stream. At least a portion of the liquid stream is provided to a hydrotreating unit. At least a portion of selected in situ heat treatment clogging compositions in the liquid stream are removed to produce a hydrotreated liquid stream by hydrotreating at least a portion of the liquid stream at conditions sufficient to remove the selected in situ heat treatment clogging compositions.
Minderhoud; Johannes Kornelis (Amsterdam, NL), Nelson; Richard Gene (Katy, TX), Roes; Augustinus Wilhelmus Maria (Houston, TX), Ryan; Robert Charles (Houston, TX), Nair; Vijay (Katy, TX)
Shell Oil Company (Houston, TX)
11/ 584,803
October 20, 2006
GOVERNMENT INTEREST The Government has certain rights in this invention pursuant to Agreement No. ERD-05-2516 between UT-Battelle, LLC, operating under prime contract No. DE-ACO5-00OR22725 for the US Department of Energy and Shell Exploration and Production Company.