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Osvoenie melkovodnyh neftegazovyh mestorozdenij arkticeskogo selfa s ispol’zovaniem ledostrojkoj stacionarnoj platformy na monoopore

Gusejnov C. S., Musabirov A. A.

Prace Naukowe Instytutu Nafty i Gazu

2012

nr 182 wyd. konferencyjne

851--852

Interest in the hydrocarbon resources of the Arctic Ocean increases. It focuses on the largest offshore fields of Russia regarding expected hydrocarbon reserves. Active works are conducted for exploration the shelf of the Kara Sea. There two perspective areas are here: Yamalshelf and waters of the Gulf of the Ob and the Taz. Assimilation of resources in these areas using offshore oil and gas constructions become complicated by difficult meteorological and hydrological conditions, and by the presence of weak silty ground. A new technical solution of offshore oil and gas construction for assimilation shallow shelf of these waters is being proposed. A base of the platform is a ballasted buoyant bottom plate with very wide surface, and solidly coupled with a supporting block perpendicularly fixed to the base. The supporting block of the platform is acylindrical pillar with diameter of 20 m. This form is for little touch with ice and for providing necessary solidity and rigidity of the platform, and this form provides unblocked passing of ice fields around the construction. A topside is right-angled and has a U-type cut on one side for providing of docking and undocking of three decks with the supporting block. Each deck has its own functional destination: building and installation, drilling and operational. The field development is operated by work and consistent changing of these decks.