Adjustable rotating guides for spider or elevator
AssigneeWeatherford/Lamb, Inc.
InventorsDavid Shahin, Karsten Heidecke
Life of this patent
Estimating the term…
Abstract
The present invention provides a method and apparatus for gripping one or more tubulars, which may include casing, during a tubular handling operation, drilling operation, and/or drilling with casing operation. The gripping apparatus comprises a housing having a bore extending therethrough and one or more gripping members which extend radially within the bore to grippingly engage a tubular or casing when activated. Adjustable guides attached to a portion of the gripping apparatus facilitate rotational movement of the casing during the drilling operation when the gripping members of the gripping apparatus are deactivated.
Claims28
An apparatus for supporting a tubular in a wellbore, comprising:
- a housing having a bore extending therethrough, the bore adapted to receive the tubular;
- and
- one or more guide members attached to the housing to facilitate movement of the tubular within the wellbore, wherein the one or more guide members are radially movable into engagement with the tubular.
A method of forming a wellbore using a casing having an earth removal member, comprising:
- providing a tubular handling apparatus having an opening for receiving the casing and one or more guide members for engaging the casing;
- adjusting the one or more guide members radially into engagement with the casing;
- and
- moving the casing with respect to the opening to form the wellbore.
Dependencies are inferred from the claim text.