IMPROVED SELF-LIFTING DRILLING RIG AND SIMILAR DRILLING PLATFORMS Russian patent published in 2010 - IPC E02B17/00

Abstract RU 2386747 C2

FIELD: construction.

SUBSTANCE: improved self-lifting drilling rig or similar structure is described, which may operate under more severe conditions of environment compared to available drilling plants. Improved self-lifting drilling rig may be operated under more severe conditions of environment in case of deteriorated situation on sea, since it comprises inbuilt systems of piles driving and withdrawal and does not require special pile drivers or devices for piles withdrawal. Besides such drilling plant may operate in ice, since it comprises new original and efficient ice breaker devices. To execute those functions, drilling plant uses its self-lifting ability and may increase its efficiency as a result of operation under more severe conditions of environment for a longer period of time.

EFFECT: improved efficiency as a result of operation under more severe conditions of environment for a longer period of time.

13 cl, 23 dwg

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RU 2 386 747 C2

Authors

Foo Kok Sen

Georgieva Margarita Ivanova

K'A Chin Kau

Dates

2010-04-20—Published

2005-07-13—Filed