4. Radiant energy
  5. Geological testing or irradiation
  6. Well testing apparatus and methods

Darryl M. Springs

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Breakout control to enhance wellbore stability

Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate

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Cutting locator tool

Wells – With below and above ground modification – Eduction pump or plunger in well
Reexamination Certificate

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Downhole carbon dioxide gas analyzer

Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Reexamination Certificate

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Hydraulic sand removal tool

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Inhomogeneous background-based software focusing method for...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2012679

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