| US 7,478,678 B2 | ||
| Time release downhole trigger | ||
| Amy L. Farrar, Houston, Tex. (US); Douglas J. Murray, Humble, Tex. (US); and Gregory C. Badke, Conroe, Tex. (US) | ||
| Assigned to Baker Hughes Incorporated, Houston, Tex. (US) | ||
| Filed on Dec. 21, 2005, as Appl. No. 11/316,020. | ||
| Prior Publication US 2007/0137865 A1, Jun. 21, 2007 | ||
| Int. Cl. E21B 23/08 (2006.01); E21B 41/00 (2006.01) | ||
| U.S. Cl. 166—387 [166/142; 166/188; 277/333; 277/336] | 8 Claims |
| 1. A method for setting at least one downhole tool at a desired downhole location, comprising:
delivering the at least one tool downhole with an associated setting mechanism;
beginning movement of said setting mechanism during said delivering, that ultimately results in setting the tool;
using said beginning movement to allow fluid to approach said setting mechanism;
using said approaching fluid to define the start of a delay period before said tool is set;
using said approaching fluid to disable a component in said setting mechanism;
providing said component to be disabled in the form of at least one disappearing seal on a first piston.
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