1
Robert J Scott, Robert P Herrmann, Donald R Ray: Multi-activity offshore exploration and/or development drilling method and apparatus. Transocean Offshore, Bradford E Kile, Richard A Sterba, Kile McIntyre Harbin & Lee, April 11, 2000: US06047781 (49 worldwide citation)

A multi-activity drillship, or the like, method and apparatus having a single derrick and multiple tubular activity stations within the derrick wherein primary drilling activity may be conducted from the derrick and simultaneously auxiliary drilling activity may be conducted from the same derrick to ...


2
Robert J Scott, Robert P Herrmann, Donald R Ray: Multi-activity offshore exploration and/or development drilling method and apparatus. Transocean Offshore, Bradford E Kile, Richard A Sterba, Kile McIntyre Harbin & Lee, May 2, 2000: US06056071 (46 worldwide citation)

A multi-activity drillship, or the like, method and apparatus having a single derrick and multiple tubular activity stations within the derrick wherein primary drilling activity may be conducted from the derrick and simultaneously auxiliary drilling activity may be conducted from the same derrick to ...


3
Robert J Scott, Robert P Herrmann, Donald R Ray: Multi-activity offshore exploration and/or development drill method and apparatus. Transocean Offshore, Bradford Kile, July 11, 2000: US06085851 (40 worldwide citation)

A multi-activity driliship, or the like, method and apparatus having a single derrick and multiple tubular activity stations within the derrick wherein primary drilling activity may be conducted from the derrick and simultaneously auxiliary drilling activity may be conducted from the same derrick to ...


4
Robert J Scott, Robert P Herrmann, Donald R Ray: Multi-activity offshore exploration and/or development drilling method and apparatus. Transocean Offshore, Bradford E Kile, Richard A Sterba, Kile McIntyre Harbin & Lee, May 30, 2000: US06068069 (31 worldwide citation)

A multi-activity drillship, or the like, method and apparatus having a single derrick and multiple tubular activity stations within the derrick wherein primary drilling activity may be conducted from the derrick and simultaneously auxiliary drilling activity may be conducted from the same derrick to ...


5
Donald R Ray: Locking device for firearms. Charles C Logan II, March 21, 1989: US04813252 (28 worldwide citation)

A locking device for firearms that allows the firearms to be openly displayed, yet safe from the hands of inquisitive children. The device is formed from an elongated rod member that has been formed into an open loop configuration whose free ends are directed toward each other and have a predetermin ...


6
Floyd T Pease, Donald R Ray, Riddle E Steddum, Bruce L Crager: Production riser. The Offshore Company, Vinson & Elkins, April 15, 1980: US04198179 (27 worldwide citation)

A riser for production of oil and gas in a marine location with the riser connected to the casing supported at the mud line of a body of water and extending upward in the water to a tension moored floating structure. The riser includes a flexible joint near its connection to the casing and is suppor ...


7
Donald R Ray, Riddle E Steddum: Method and apparatus for tension mooring a floating platform. The Offshore Company, Bradford E Kile, September 28, 1982: US04351258 (25 worldwide citation)

The invention relates to a method and apparatus for tension mooring an offshore platform having a deck and a plurality of buoyancy columns. An anchor system is initially installed upon the bed of a body of water. Permanent mooring lines are then connected to the anchor system and extend upwardly for ...


8
Riddle E Steddum, Donald R Ray, Bruce L Crager: Split stack blowout prevention system. Chevron Research Company, R L Freeland Jr, William J Egan III, March 18, 1980: US04193455 (19 worldwide citation)

A blowout prevention system for an offshore structure positioned on the underwater bottom in a body of water which contains moving ice masses that could force the structure off location wherein a surface blowout preventer stack for conventional well control is connected to the upper end of a riser w ...


9
Donald R Ray, Riddle E Steddum: Method of and apparatus for mooring a floating structure. The Offshore Company, Bradford E Kile, August 4, 1981: US04281613 (13 worldwide citation)

A tension mooring system for a floating structure such as a drilling or production platform having a plurality of permanent mooring lines extending upwardly from a plurality of bottom anchors and terminating below the water level and having buoys connected to the upper ends thereof with sufficient b ...


10
Felix S Radovan, Albert M Koehler, Donald R Ray: Jack-up platform apparatus. The Offshore Company, Bradford E Kile, October 25, 1983: US04411408 (12 worldwide citation)

A jack-up platform apparatus operable for effecting relative vertical motion between a leg chord of a platform and a deck of the platform.