Gary Eugene Marshall

US Patent:

20140291026, Oct 2, 2014

Filed:

Mar 21, 2014

Appl. No.:

14/222205

Inventors:

- Houston TX, US
Gary Marshall - Houston TX, US

Assignee:

JTB TOOLS & OILFIELD SERVICES, LLC - Houston TX

International Classification:

E21B 19/00

US Classification:

175 57, 175423

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.

US Patent:

20140291027, Oct 2, 2014

Filed:

May 5, 2014

Appl. No.:

14/269889

Inventors:

Barry MARSHALL - Monahans TX, US
Gary MARSHALL - Houston TX, US

Assignee:

JTB TOOLS & OILFIELD SERVICES, LLC - Houston TX

International Classification:

E21B 19/00

US Classification:

175 57, 175423

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.