Patent ID: 8844617
Filing Date: 2014-09-30
Classification: E21B

Abstract:
1. An annular blowout container (ABOC) for facilitating the stoppage or restriction of the flow of fluids, solids, and gases around a pipe or tubular structure within a borehole, the ABOC comprising: a top section body having a central bore; a bottom section body having a central bore and at least one component chamber, the bottom section body removably attached to the top section body; a flexible cylindrical bladder assembly, the bladder assembly comprising: a top rotator assembly for directing a rotation of the top rotator plate of the bladder assembly; and a bottom rotator assembly for direction a counter-rotation of the bottom rotator plate of the bladder assembly; wherein the counter-rotation of the top and bottom rotator plates effects a twisting of the flexible bladder wall and the constriction of the bladder wall around the pipe or tubular structure within the central bore.