4. Earth boring, well treating, and oil field chemistry
  5. Earth boring
  6. Contains organic component

Bernadette Craster

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Drilling fluid

Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
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Environmental mechanical test apparatus

Measuring and testing – Simulated environment
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Methods and apparatus for completing a well

Wells – Processes – Separate steps of fracturing or attacking formation
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Methods and apparatus for completing a well

Wells – Processes – Separate steps of fracturing or attacking formation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2563994

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