Debris Barrier For Downhole Valve In Well

Coon; Robert ;   et al.

Patent Application Summary

U.S. patent application number 11/867846 was filed with the patent office on 2009-04-09 for debris barrier for downhole valve in well. This patent application is currently assigned to WEATHERFORD/LAMB, INC.. Invention is credited to Robert Coon, Michael James Foster, Roddie Robert Smith.

Application Number20090090518 11/867846
Document ID /
Family ID39888993
Filed Date2009-04-09

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