Patent ID: 9441459
Filing Date: 2016-09-13
CPC Classification: E04H,E21B

Claim Text:
1. A derrick safety device comprising: a derrick; at least one water source; a housing comprising a frame attached to the structure of the derrick, wherein the frame has a first side and a second side; at least one pipe connected to the water source; at least two nozzles connected to the at least one pipe and to the first side of the frame, wherein the at least two nozzles are positioned to spray walls of water that intersect one another along one or more planes at a flow rate between about 50 and about 2000 gallons per minute to define a water shed area, said shed configured to encase and shield at least one person on the derrick from fire resulting from an oil rig explosion; a header attached to the at least one pipe; and a valve attached to the header.