GRAVITATIONAL FOUNDATION Russian patent published in 2016 - IPC E02B17/02 E21B15/02 

FIELD: mining.

SUBSTANCE: group of inventions relates to mining and can be used as gravitational foundation of sea platforms. Disclosed are versions of the gravity foundation, which comprises first and second elongated foundation sections, separated by open area and made to support weight in water of the said gravitation foundation on sea bottom, and the upper section, arranged above said open area and made with possibility of passage, at least, partially above water surface to support upper plants. Some implementation versions additionally comprise first and second inclined sections connecting the foundation sections to said upper section. According to certain implementation versions, the gravitational foundation comprises a skirt below the foundation sections to facilitate interaction with sea bottom and a pipeline system, made to transfer fluid into compartments or from the compartments to facilitate installation of the foundation on sea bottom or separation from the sea bottom. According to certain implementation versions, the gravitational foundation comprises inner chambers, selectively filled with fluid medium to facilitate surfacing and submersion into sea and displacement of the gravitational foundation.

EFFECT: technical result is higher reliability of gravitational foundation during its transportation and operation.

20 cl, 18 dwg