| US 7,467,665 B2 | ||
| Autonomous circulation, fill-up, and equalization valve | ||
| Gordon Mackenzie, Cypress, Tex. (US) | ||
| Assigned to Baker Hughes Incorporated, Houston, Tex. (US) | ||
| Filed on Nov. 08, 2005, as Appl. No. 11/268,863. | ||
| Prior Publication US 2007/0102164 A1, May 10, 2007 | ||
| Int. Cl. E21B 33/12 (2006.01); E21B 23/00 (2006.01) | ||
| U.S. Cl. 166—387 [166/66.6; 166/334.4] | 11 Claims |
| 1. A method of running in and actuating a hydraulically-actuated tool within a wellbore, the method comprising the steps of:
assembling a running string having a hydraulically-actuated tool, and an autonomous circulating valve having open and closed
positions;
running the running string into the wellbore with the circulating valve in its open position;
allowing the circulating valve to move from its open position to its closed position autonomously; and
actuating the hydraulically-actuated tool.
|