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 – 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...

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Independent firing of plural charges

Method for retaining debris in a perforating apparatus

Boring or penetrating the earth – Boring with explosion in inaccessible hole

Method for using a well perforating gun

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

Method of and apparatus for perforating boreholes

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

Method of breaking slabs and blocks of rock from rock formations

Boring or penetrating the earth – Boring with explosion in inaccessible hole

Method of driving steel profiles into a rock substratum

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

Methods and apparatus for perforating a deviated casing in a sub

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

Modular perforating gun

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

Modular through-tubing casing gun

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

Multiphased through tubing stripgun