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

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...

Jack element in communication with an electric motor and or...

Boring or penetrating the earth – Bit or bit element – Bit with leading portion forming smaller diameter initial bore

Jack element with a stop-off

Boring or penetrating the earth – Boring a submerged formation – Boring from nonbuoyant support

Jack up workover rig with removable workover floor unit

Boring or penetrating the earth – With tool shaft detail

Jacket tube for a drilling and anchoring device

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jar enhancer

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jar enhancer

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jar enhancer

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jar mechanism energizer

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jarring and bumping tool for use in oilfield drilling strings

Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...

Jarring tool

Boring or penetrating the earth – Below-ground impact members – Fluid-operated

Jarring tool enhancer

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Jet assisted drilling method

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Jet assisted drilling method

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Sectional guide or shaft having means to lock sections in...

Jet bit with onboard deviation means

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

Jet bit with variable orifice nozzle

Boring or penetrating the earth – Miscellaneous

Jet cutting device with deflector

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

Jet dual bit

Boring or penetrating the earth – With below-ground tool drive prime mover – Fluid rotary type

Jet nozzle drilling assembly

Boring or penetrating the earth – Processes

Jet pump drilling apparatus and method