US 7,549,475 B2
Systems for actuating a downhole tool
Thor Tjorswaag, Tananger (Norway); Henry E. Rogers, Duncan, Okla. (US); Nichalos C. Braun, Duncan, Okla. (US); Brett Fears, Duncan, Okla. (US); and Stein Olaussen, Tanager (Norway)
Assigned to Halliburton Energy Services, Inc., Duncan, Okla. (US)
Filed on Feb. 12, 2007, as Appl. No. 11/674,022.
Prior Publication US 2008/0190611 A1, Aug. 14, 2008
Int. Cl. E21B 33/13 (2006.01)
U.S. Cl. 166—291  [166/177.4] 32 Claims
OG exemplary drawing
 
1. A system for actuating a downhole tool disposed within a work string comprising:
a support suspending the work string into a well bore;
a launching apparatus positioned at a location remote from the work string;
a tortuous path connected between the launching apparatus and the work string; and
a mechanical plug that launches from the launching apparatus, traverses the tortuous path, enters the work string, and actuates the downhole tool, wherein the mechanical plug may be loaded within the launching apparatus while a fluid continues to flow through the launching apparatus.