LandOfFree - US Patents - Listing for Boring or penetrating the earth,Processes,Boring with specific fluid

Boring or penetrating the earth – Processes – Boring with specific fluid

Compositions comprising melt-processed inorganic fibers and...

Boring or penetrating the earth – Processes – Boring with specific fluid

Conductor pipe string deflector and method

Boring or penetrating the earth – Processes – Boring with specific fluid

Continuous positive flow backflash prevention system

Boring or penetrating the earth – Processes – Boring with specific fluid

Control method and apparatus for fluid delivery in a rotary dril

Boring or penetrating the earth – Processes – Boring with specific fluid

Crane-mounted drill and method for in-situ treatment of contamin

Boring or penetrating the earth – Processes – Boring with specific fluid

Cuttings disposal system

Boring or penetrating the earth – Processes – Boring with specific fluid

Cuttings tank apparatus

Boring or penetrating the earth – Processes – Boring with specific fluid

Determining gradients using a multi-probed formation tester

Boring or penetrating the earth – Processes – Boring with specific fluid

Device and method for extracting a gas hydrate

Boring or penetrating the earth – Processes – Boring with specific fluid

Disposal and reclamation of drilling wastes

Boring or penetrating the earth – Processes – Boring with specific fluid

Down hole pressure intensifier and drilling assembly and method

Boring or penetrating the earth – Processes – Boring with specific fluid

Downhole cleaner assembly for petroleum wells

Boring or penetrating the earth – Processes – Boring with specific fluid

Downhole fluid supercharger

Boring or penetrating the earth – Processes – Boring with specific fluid

Downhole vortex generator

Boring or penetrating the earth – Processes – Boring with specific fluid

Downhole vortex generator and method

Boring or penetrating the earth – Processes – Boring with specific fluid

Drag bit for drilling in plastic formation with maximum chip cle

Boring or penetrating the earth – Processes – Boring with specific fluid

Drill bit

Boring or penetrating the earth – Processes – Boring with specific fluid

Drill bit and method for reducing formation fluid invasion and f

Boring or penetrating the earth – Processes – Boring with specific fluid

Drill bit with hard-faced bearing surfaces