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

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Formation sampling bullet

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

Patent

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Formation sampling bullet and cables therefor

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

Patent

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Full bore gun system and method

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

Patent

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Gravity oriented perforating gun for use in slanted boreholes

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

Patent

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Gun firing head

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

Patent

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Gun firing system using fluid filled pressure balance tubing

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

Patent

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High density jet perforating casing gun

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

Patent

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High density perforating gun system

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

Patent

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High speed electromagnetically accelerated earth drill

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

Patent

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High temperature selective fire perforating gun and switch there

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

Patent

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High-energy combined well perforating device

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

Reexamination Certificate

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High-velocity jet and propellant fracture device for gas and oil

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

Patent

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Horizontal drilling method and apparatus

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

Reexamination Certificate

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Hydraulic safety pin and method of operating a pressure-controll

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

Patent

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Hydraulically damped detonator for use in perforating oil well t

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

Patent

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Intercarrier mechanism for connecting and orienting tubing conve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Intra-perforating gun swivel

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

Patent

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Mechanically initiated tubing conveyed perforator system

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

Patent

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Method and apparatus for actuating a tubing conveyed perforating

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

Patent

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Method and apparatus for borehole perforating

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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