Low torque pack-off seal assembly with retrievable lower...
Low torque threaded fastener and mine roof support system...
Low toxicity corrosion inhibitor
Low turbulence rod guide
Low voltage spark drill
Low well yield control system and method
Low-clearance centralizer and method of making centralizer
Low-temperature oxidation method for the recovery of heavy...
Low-water-pressure controlled hydrologic test method
Lpg micellar solutions as fracturing fluids
Lpg mix frac
Lubricant circulation system for downhole bearing assembly
Lubricant coating for expandable tubular members
Lubricant pressure compensator for an earth boring drill bit
Lubricant pump and cone movement dampener
Lubricating device
Lubricating device
Lubrication and self-cleaning system for expansion mandrel
Lubrication system for radially expanding tubular members
Lubricator