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  5. Brushing, scraping, cutting or punching-type cleaners
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Apparatus and method for cementing wells

Wells – Brushing – scraping – cutting or punching-type cleaners – Bow spring type
Patent

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Apparatus and method for debris in a well bore

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus and methods of cleaning and refinishing tubulars

Wells – Brushing – scraping – cutting or punching-type cleaners
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus for cleaning well tubular members

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus for rotating a bit in a well

Wells – Brushing – scraping – cutting or punching-type cleaners
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus with retractable cleaning members

Wells – Brushing – scraping – cutting or punching-type cleaners – Retractable on support while lowering
Patent

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Arrangement for cleaning internal surface of casing strings

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

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Automatic paraffin removal unit

Wells – Brushing – scraping – cutting or punching-type cleaners – Bow spring type
Reexamination Certificate

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