|
Морская стационарная платформа. Патент RU 2057845C1 (6 E 02 B 17/00) на ИЗОБРЕТЕНИЕ. "Способ установки морской стационарной платформы с плоским днищем и морская стационарная платформа".
Gravity base offshore platform - comprises base with ballast tanks, base plate, anchoring piles and swing doors. The platform has a base with ballast tanks, base plate (1), anchoring piles (2) and swing doors (4), which is horizontal position are flush with the plate (1). One side of each door (4) is hinged to underside of the plate (1) and the opposite side to rod (8) of the hydraulic jack (9) provided with a hydraulic shock absorber (10) with spring (11). The doors (4) pivot relative the plate (1) up to 90 deg. and are spaced on the line perpendicular the hinges axes at the distance equal 0.15 of their le gth. Moreover, sensors of contact with the base (17) are placed on the doors face edges along their heights at the distance equal 0.1 of the height. The plate (1) has side projections (21) with openings for the piles (2). USE - In offshore drilling. ADVANTAGE - Accurate setting without damage to sea bottom and reliable anchoring of the base plate (1) which has a long service life. |