Bit holder and base part for receiving a bit holder
Bit leg and cone hardfacing for earth-boring bit
Bit packer for dual tube drilling
Bit segment for seating in a cutting position to form...
Bit-stabilized combination coring and drilling system
Bits for use in drilling with casing and method of making...
Bitumastic simulated paved surface
Bitumen production and substrate stimulation
Bitumen production and substrate stimulation with flow...
Bitumen production method
Bitumen production through a horizontal well
Bitumen-water emulsifying apparatus
Bituminized roof sheet
Bituminous coating with great acoustic performance
Bituminous compositions containing hydrogen sulphide...
Bituminous convering on concrete base
Bituminous core seal for hydraulic dams
Bituminous finisher
Bituminous upper layer draining blanket
Bladder pump for borehole sampling