Break-out tool for annular type blow-out preventers

An apparatus for removing the head of an annular type blow-out preventer comprising;

• (a) a frame adapted to be mounted over the head of an annular type blow-out preventer, such preventer head being threadedly attached to the body of the annular type blow-out preventer, said frame having a central opening which is adapted to leave a central, top portion of said blow-out preventer head exposed;
• (b) mount means for mounting said frame on to said annular type blow-out preventer body, said mount means including a plurality of depending mounting flanges which extend into connection with lugs on said preventer body;
• (c) a torque arm adapted to be secured to the preventer head for movement with said preventer head;
• and
• (d) torque applying means mounted with said frame and extending into engagement with said torque arm for applying torque to said torque arm, which transmits said torque to said preventer head attached thereto for breaking the threaded connection between said preventer head and body.