4. Wells
  5. Brushing, scraping, cutting or punching-type cleaners
  6. On tubing or casing

Harry W. Riddle

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Segmented concentric centralizer

Metal fusion bonding – Process – With shaping
Patent

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Stop device for well conduit

Wells – Brushing – scraping – cutting or punching-type cleaners – On tubing or casing
Patent

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Well conduit centralizer

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Profile ID: LFUS-PAI-P-854017

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