Blanket-medium/brine interface detection in a...

Blast hole drill bit carousel and a blast hole drill...

Blast hole grooving bit and wear resistant compact

Blast joint and protection element therefor

Blast joint swivel for wellhead isolation tool and method of...

Blasthole drill with automatic breakout wrench with floating...

Blasthole drill with drill-through pipe rack

Blasthole drill with drill-through pipe rack

Blasthole drill with improved automatic breakout wrench

Blasthole drill with rotary head carriage resiliently held...

Blasting plug

Blending system for solid/fluids mixtures

Bloc de raccordement avec aiguillages et vannes de sommet...

Block position and speed transducer for a computer-...

Blocking composition for use in subterranean formation

Blocking robot for high-pressure oil wells

Blocking water coning in oil and gas producing reservoirs

Blockless reamer

Blood flood

Blow out preventer