SEPARATION OF A MARINE RISER FROM A SUBSEA WELLHEAD

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United States of America Patent

SERIAL NO

15413339

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A subsea well system includes a safety assembly connected between a marine riser and a subsea wellhead, and an ejector bollard connected with the safety assembly and having a piston operable from a retracted position to an extended position to push an upper portion and a lower portion of the safety assembly apart and thereby physically separate the marine riser from the subsea wellhead.

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Patent Owner(s)

Patent OwnerAddress
BASTION TECHNOLOGIES INC17625 EL CAMINO REAL HOUSTON TX 77058

International Classification(s)

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  • 2017 Application Filing Year
  • E21B Class
  • 3899 Applications Filed
  • 2959 Patents Issued To-Date
  • 75.90 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coppedge, Charles Don Houston, US 15 71
Kelley, Dana Karl Friendswood, US 4 26
Porter, Charles C Houston, US 4 26
Rumann, Hildebrand Argie League City, US 4 4

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Patent Citation Ranking

  • 0 Citation Count
  • E21B Class
  • 0 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14875518350261417181717125701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700750800

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