Reduction of fluid loss from operating chambers in steam...
Reduction of the frictional coefficient in a borehole by the...
Reduction of viscosity of aqueous fluids
Redundancy control device for equipping a lock
Redundant detonation initiators for use in wells and method...
Redundant sensing edge for a door
Reel for a pull cord
Reel pipelaying and respooling methods
Reel spool and stand assembly for coiled tubing injector system
Reel spool and stand assembly for coiled tubing injector system
Reeled tubing deployed packer with control line bypass
Reeled tubing gas lift mandrel
Reeled tubing support for downhole equipment module
Reentry system for a subsea well apparatus
Reference beam grade control for asphalt pavers
Reference mechanism for spike driver
Reference system for a track working machine
Refill hose mounting member and retainer for ball cocks
Refined analytical model for formation parameter calculation
Refined oil gelling system