Two more hydraulic fracturing patents were granted this week (Tuesday, June 14, 2011).  Each patent was assigned to Halliburton Energy Services based on information on the cover of the patent.  The term "Halliburton" now appears in 502 granted US patents which also use the term "hydraulic patenting," establishing Halliburton as a leading company for patenting in this arena.

The patent numbers were 7,960,316 and 7,960,315, and the patents related to corrosion resistance and to gellation agents.

Halliburton provides more information about its hydraulic fracturing operations on its website, attached below, including its CleanSuite(TM) technology.

http://www.halliburton.com/public/projects/pubsdata/hydraulic_fracturing/index.html