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

Slimhole drill system

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

Spiral gun apparatus

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

Subterranean well casing perforating gun

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

System and apparatus for orienting a well casing perforating gun

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

System and method for dynamically adjusting the center of...

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

System for indicating the firing of a perforating gun

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

System for indicating the firing of a perforating gun

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

System for producing high density, extra large well perforations

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

Technique for disarming and arming electrically fireable explosi

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

Through the tubing perforating gun assembly

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

Through tubing perforating gun

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

Through tubing perforating gun including a plurality of phased c

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

Through-tubing perforating apparatus

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

Tround terra-drill processes and apparatus

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

Tubing conveyed perforating gun electrical detonator

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

Tubing pressure operated initiator for perforating in a well bor

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

Tubing pressurized firing apparatus for a tubing conveyed perfor

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

Universal perforating gun firing head

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

Wave strip perforating system