4. Boring or penetrating the earth
  5. Bit or bit element
  6. Rolling cutter bit or rolling cutter bit element

Kamal Dawelbeit

Examiner

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Examiner

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Apparatus for dropping articles downhole

Wells – With below and above ground modification – Head for tool – piston or cleaner
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Cementing plug

Wells – Pistons – fluid driven into well
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Downhole setting tool

Wells – Packers or plugs – With expanding anchor
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Hydraulic sand removal tool

Wells – Processes – Cleaning or unloading well
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Insoluble salt control system and method

Wells – Processes – Distinct – separate injection and producing wells
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Profile ID: LFUS-PAI-P-1819639

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