Patent ID: 7410003
Filing Date: 2008-08-12
Classification: E21B

Abstract:
1. A deployment and pressure containment blow out preventer, the blow out preventer comprising: a longitudinal bore; a set of blind shear rams in communication with the bore, the blind shear rams having a closed position and an open position, wherein in the closed position the blind shear rams create a first barrier to wellbore pressure; a set of locate rams in communication with the bore and located beneath the blind shear rams, the set of locate rams having a closed position and an open position, wherein in the closed position the locate rams include an opening adapted to prevent a portion of a coiled tubing connector from passing the locate rams; a set of pipe rams in communication with the bore and located beneath the locate rams, the set of pipe rams having a closed position and an open position, wherein in the closed position the pipe rams are adapted to seal on a portion of a coiled tubing connector, the coiled tubing connector being connected to a bottom hole assembly; a set of pipe slip rams in communication with the bore and located beneath the pipe rams, the pipe slip rams having a closed position and an open position, wherein when in the closed position the pipe slip rams are adapted to seal on a portion of the bottom hole assembly forming an annular chamber and creating a second barrier to wellbore pressure; and a valve in communication with the annular chamber formed between the pipe rams in the closed position and the pipe slip rams in the closed position.