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

Angularly shaped unitary structured base strip comprised of a sp

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

Annulus pressure firer mechanism with releasable fluid conduit f

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

Apparatus and method for mixing polyacrylamide with brine in an

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

Apparatus and method for orienting a wellbore servicing tool

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

Apparatus and method for perforating wellbores

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

Apparatus and method for use in subsurface oil and gas well perf

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

Apparatus and method for use in subsurface oil and gas well perf

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

Apparatus for arming, testing, and sequentially firing a plurali

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

Apparatus for firing borehole perforating apparatus

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

Apparatus for monitoring the operation of well bore guns

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

Boosterless perforating gun and method of assembly

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

Borehole devices actuated by fluid pressure

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

Borehole tool orienting apparatus and systems

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

Capsule charge perforating system

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

Chamber isolator and sealing means for borehole perforating tool

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

Charge holder apparatus

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

Charge holder apparatus

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

Charge tube assembly for a perforating gun

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

Circulating gun system