LandOfFree - US Patents - Listing for Boring or penetrating the earth,Boring with explosion in inaccessible hole

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating

Method and apparatus for completing a slanted wellbore

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for controlled fracturing of subterranean f

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Method and apparatus for controlling borehole pressure in perfor

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for disarming and arming explosive oil well

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With bore condition firing control – or compensating means

Method and apparatus for firing a perforating gun

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for firing borehole perforating apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With bore condition firing control – or compensating means

Method and apparatus for firing multisection perforating guns

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for formation sampling during the drilling

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge

Method and apparatus for initiating subterranean well perforatin

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating

Method and apparatus for orienting a perforating string

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating

Method and apparatus for orienting wellbore perforations

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing chamber movable in bore relative to carrier or...

Method and apparatus for penetrating subsurface formations

Boring or penetrating the earth – Boring with explosion in inaccessible hole – With wall engaging packer or anchor

Method and apparatus for perforating formations in response to t

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for perforating subsurface earth formations

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore

Method and apparatus for perforating subsurface earth formations

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Projectile forms bore

Method and apparatus for protecting explosives

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Projectile forms bore

Method and apparatus of protecting explosives

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Projectile forms bore

Method for establishing high permeability flow path between bore

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge

Method for perforating utilizing a shaped charge in...