4. Data processing: measuring, calibrating, or testing
  5. Measurement system
  6. Performance or efficiency evaluation

Brigitte Jeffrey Echols

Attorney

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Attorney

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Apparatus and method for inserting and retrieving a tool...

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Complexity index methodology for the analysis of run life...

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate

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Modular retrievable packer

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Perforating gun carriers and their methods of manufacture

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

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Redundant metal-metal seal

Measuring and testing – With fluid pressure – Clamp – plug – or sealing feature
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2714578

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