Patent ID: 9010433
Filing Date: 2015-04-21
Classification: E21B,Y10T

Abstract:
1. An apparatus for latching an item of oilfield equipment comprising: a housing; a latch member contained within the housing, the latch member movable between a radially engaged position in which it is engaged with the item of oilfield equipment, and a radially retracted position in which it is disengaged from the item of oilfield equipment; a first actuator configured to drive the latch member into the radially engaged position; and a second actuator configured to positively force the latch member into the radially retracted position; wherein the housing defines a slot, wherein the slot is defined in a position selected from the group consisting of above the latch member, below the latch member, and above and below the latch member, wherein the slot is configured to relieve an amount of debris or a volume of fluid or both.