4. Ammunition and explosives
  5. Blasting
  6. Contained blasting charge

James R. Duzan

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Above packer perforate test and sample tool and method of use

Wells – Processes – Sampling well fluid
Patent

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Above packer perforate, test and sample tool and method of use

Wells – Processes – Sampling well fluid
Patent

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Access valve for drill stem testing

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Patent

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Acoustic plug release indicator

Measuring and testing – Vibration – Sensing apparatus
Patent

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Activation mechanism for differential fill floating equipment

Wells – Valves – closures or changeable restrictors – Destructible element
Patent

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Profile ID: LFUS-PAI-P-6416

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