• Patent Title: Device for suspending a tubular from a floating vessel
  • Application No.: US15573133
    Application Date: 2016-04-15
  • Publication No.: US10458193B2
    Publication Date: 2019-10-29
  • Inventor: Oeystein SaevelandOeyvind Tveter
  • Applicant: MHWIRTH AS
  • Applicant Address: NO Kristiansand S
  • Assignee: MHWIRTH AS
  • Current Assignee: MHWIRTH AS
  • Current Assignee Address: NO Kristiansand S
  • Agent Norman B. Thot
  • Priority: NO20150589 20150513
  • International Application: PCT/NO2016/050070 WO 20160415
  • International Announcement: WO2016/182448 WO 20161117
  • Main IPC: E21B19/09
  • IPC: E21B19/09 E21B19/00
Device for suspending a tubular from a floating vessel
Abstract:
A device for suspending a tubular from a floating vessel includes a first element which carries the tubular, a second element supported by the floating vessel, and a compression element which forms a connection between the first element and the second element. The compression element is pre-tensioned in an end stroke position so that, when the compression element is subjected to a force from the tubular which is below a pre-defined threshold force, the connection formed by the compression element between the first and second element is a rigid connection, and, when the compression element is subject to a force from the tubular which is higher than the pre-defined threshold force, the connection formed by the compression element between the first and second element is a compressible connection.
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