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

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

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

Oilwell perforator having metal loaded polymer matrix molded...

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

Percussion core gun construction and cable arrangement

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

Perforating and testing apparatus including a microprocessor imp

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

Perforating apparatus

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

Perforating apparatus energy absorber and explosive charge holde

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

Perforating charge carrier assembly

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

Perforating charge carrier assembly and method

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

Perforating charge case

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

Perforating gun

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

Perforating gun

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

Perforating gun assembly and universal perforating charge clip a