LandOfFree - US Patents - Listing for Boring or penetrating the earth

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Gage surface and method for milled tooth cutting structure

Boring or penetrating the earth – With mechanical cleaner for bit or cutter element

Gage surface scraper

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Gage trimmers and bit incorporating the same

Boring or penetrating the earth – With below-ground tool drive prime mover – Plural below-ground drive prime movers

Gang drill construction

Boring or penetrating the earth – With tool shaft detail

Gap sub assembly

Boring or penetrating the earth – Bit or bit element – Symmetrical forked rotary type

Garden auger having wings and cutters

Boring or penetrating the earth – Bit or bit element – With helical-conveying portion

Garden earth auger

Boring or penetrating the earth – With heating or cooling drilling fluid

Gas hydrates drilling procedure

Boring or penetrating the earth – Boring a submerged formation – Boring from floating support with submerged independent...

Gas lift system for marine drilling riser

Boring or penetrating the earth – Processes

Gas-filled accelerator

Boring or penetrating the earth – With above-ground means for preparing or separating drilling...

Gas-liquid-solids separation system

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Gauge face inlay for bit hardfacing

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Gauge face inlay for bit hardfacing

Boring or penetrating the earth – With below-ground tool drive prime mover – With mechanical motion-converting means

Gear system for an oil well drive

Boring or penetrating the earth – Processes – Sampling of earth formations

Geological exploration method and apparatus

Boring or penetrating the earth – Boring without earth removal – Fluid passage to exterior of drive point

Geotechnical cone lubrication apparatus and method

Boring or penetrating the earth – Boring by directly applying heat to fluidize or comminute – Electrically produced heat

Geothermal energy recovery

Boring or penetrating the earth – Processes

Geothermal heat loop installation

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

Glycoside-in-oil drilling fluid system