| 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 |

| 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.
|