Patent ID: 9169712
Filing Date: 2015-10-27
Classification: E06B,E21B

Abstract:
1. A door assembly for accessing a blowout preventer of a wellsite, the blowout preventer for sealing about a tubular extending from a wellbore of the wellsite, the blowout preventer comprising a housing having a bore and a channel through the housing, the tubular positionable through the bore and engageable in the bore, the door assembly comprising: a door slidably positionable along an axis of the channel and providing selective access to the channel; and a lock comprising at least one locking member having at least one raised portion extending linearly along a flat surface of the locking member in a direction transverse to the axis of the channel, the at least one raised portion of the at least one locking member extendable into at least one corresponding receptacle extending linearly into a flat surface of the housing, the at least one locking member movable linearly along the at least one corresponding receptacle between an unlocked and a locked position whereby the door assembly is selectively retractable from the housing.