Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Subsea well with retrievable piping deck

Subsea well with retrievable piping deck

US Patent 4438817 · Granted Mar 27, 1984

Estimated economic value: $4,942,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Subsea wellhead system and method for drilling shallow water flow formations2002
Riser tensioning device1998
Dual radially locked subsea housing1994
Subsea wellhead tieback connector1993
Temporary abandonment cap and tool1992
Well casing hanger and packoff running and retrieval tool1992
Subsea well guide base running tool1992
Retrievable guide base for subsea well1991
Sub-mudling casing hanger/packoff1990
Laterally releasable connector between outer well member and template1984
Releasable guide post mount and method for recovering guide posts by remote oper1984
Tool for remotely determining the position of a device in an underwater well ass1981