A drill rod changer assembly
A drill-string connector
A drilling apparatus having in-line extending wings and...
A drilling equipment and a method for regulating its...
A drilling hole system
A drilling machine having rotary tools
A drilling method and bit assembly to realize the method
A drilling method for maintaining productivity while...
A drilling rig and a method for moving a drilling rig
A drilling rig and drawworks therefor
A drillpipe assembly and a method of deploying a logging tool
A drillpipe sub
A drive sub for receipt of bit segments
A dynamic centralizer design for probe type measuring while...
A female part and method for manufacturing female parts
A fishbone well configuration for in situ combustion
A flow control assembly having a fixed flow control device...
A fluid loss control system and method for controlling fluid...
A fluid treatment system and method and use of same
A fluid-driven alternator having an internal impeller