Apparatus and method for the installation or removal of a rotary control device insert or a component thereof
AssigneeJTB Tools & Oilfield Services, LLC
InventorsBarry Marshall, Gary Marshall
Life of this patent
Estimating the term…
Abstract
An apparatus for installing and removing a rotary control device insert or an element thereof has a first clamp with a receptacle suitable for receiving a flange of the rotary control device insert therein, a second clamp having an interior suitable for extending around a pipe, and a plurality of lines extending between the first clamp and the second clamp. The first clamp is movable between an open position and a closed position. The second clamp is movable between an open position and a closed position. Each of the clamps includes a first jaw and a second jaw connected to the first jaw by a hinged connection.
Claims4
A method for removing a rotary control device insert or a component of the rotary control device from a drill pipe, the method comprising:
- affixing a first clamp against the rotary control device insert;
- affixing a second clamp around a drill pipe stump, said first clamp connected to said second clamp by a plurality of lines;
- lifting the drill pipe upwardly such that the insert moves with the drill pipe until said plurality of lines tightens;
- and
- continually lifting the drill pipe such that the drill pipe moves independently with respect to a fixed position of the rotary control device insert until the drill pipe is separated from the rotary control device insert.
Dependencies are inferred from the claim text.