All mechanical counter dart, system and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11702908
APP PUB NO 20220325606A1
SERIAL NO

17225348

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An all mechanical counter dart including a mandrel, a plurality of shoulder members disposed upon the mandrel and movable from a more downhole portion of the mandrel to a more uphole portion of the mandrel, individual ones of the plurality of shoulder members moving from an inactive position to an active position and back to an inactive position while traversing the mandrel, and an upset on the mandrel supporting the individual ones of the plurality of shoulder members when in the active position.

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First Claim

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Patent Owner(s)

  • BAKER HUGHES OILFIELD OPERATIONS LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stolboushkin, Eugene Houston, US 32 47

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