Patent · US Active

Subsea methane hydrate production

US10968707B2 · kind B2 · utility

0Cited by

7References

8Claims

0Family size

Assignee

AKER SOLUTIONS AS · NO

Inventors

Anders Billington · Bærums Verk, NO
Neil Ryan · Chicago, US
Alexander Paul Lazell · Oslo, NO
Jan Herland · Sandvika, NO
Edin Pita · Drammen, NO

Key dates

Filing date	Aug 23, 2016
Grant date	Apr 6, 2021
Priority date	—
Expiry date	Aug 23, 2036

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B41/0099
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An offshore methane hydrate production assembly (1), having a tubing (41) extending into a subsea well (5) that extends down to a methane hydrate formation (7) below the seabed (3). A submersible pump (45) is arranged in the tubing (41). A methane conduit (35,35) extends down from a surface installation (49). A well control package (15) landed on a wellhead (13) is positioned at the upper end of the subsea well (5). Moreover, an emergency disconnection package (25) is arranged between the methane conduit (35,135) and the well control package (15). The tubing (41) is suspended from the well control package (15). Other aspects of the invention are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.