| US 7,537,060 B2 | ||
| Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore | ||
| Peter J. Fay, Houston, Tex. (US); Gerald D. Lynde, Houston, Tex. (US); and Edward J. O'Malley, Houston, Tex. (US) | ||
| Assigned to Baker Hughes Incorporated, Houston, Tex. (US) | ||
| Filed on Mar. 19, 2007, as Appl. No. 11/725,343. | ||
| Prior Publication US 2008/0230233 A1, Sep. 25, 2008 | ||
| Int. Cl. E21B 23/00 (2006.01) | ||
| U.S. Cl. 166—382 [166/208] | 17 Claims |
| 17. A method of securing a liner within a bore of a casing string disposed in a wellbore, the method comprising the steps
of:
(a) disposing within a wellbore at least two sections of casing secured together by a casing coupler to form the casing string,
the casing coupler comprising a housing having a pocket disposed on an inner wall surface of the housing, the pocket having
at least one slip, and a setting mechanism operatively associated with the slip;
(b) lowering a liner into the bore of the casing string, the liner having an actuator mounted thereon;
(c) positioning the actuator in the casing coupler and actuating the setting mechanism by the actuator by matingly engaging
at least one key disposed on the actuator within at least one recess disposed on the setting a mechanism and rotating the
liner while moving the liner down the bore of the casing string;
(d) with the setting mechanism, moving the slip downward and inward from the pocket until the slip engages an outer wall surface
of the liner and, thus, secures the liner within the casing string of the wellbore.
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