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

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Rotational alignment method and apparatus for tubing conveyed pe

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

Patent

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Safety device to prevent premature firing of explosive well tool

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

Patent

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Safety method and apparatus for a perforating gun

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

Reexamination Certificate

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Safety method and apparatus for a perforating gun

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

Patent

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Safety switch for well tools

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

Patent

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Secure activation of a downhole device

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

Reexamination Certificate

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Select fire multiple drill string tester

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

Patent

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Selective firing system

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

Patent

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Shaped charge and carrier assembly therefor

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

Patent

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Shaped charge assembly with retaining clip

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

Patent

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Shaped charge carrier

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

Patent

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Shaped charge perforating apparatus

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

Patent

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Shaped charge perforating device

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Shaped charge well perforating apparatus

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

Patent

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Shaped charge well perforator

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

Patent

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Shot direction indicating device

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Sidewall core gun

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

Patent

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Sidewall sampling apparatus

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

Patent

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Simultaneous multigun high density multiphase perforating unit

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

Patent

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Single-wire selective perforation system having firing safeguard

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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