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A Condeep type GBS under construction in Norway. A gravity-based structure (GBS) is a support structure held in place by gravity, most notably offshore oil platforms. These structures are often constructed in fjords due to their protected area and sufficient depth.
This GBS is designed to resist iceberg forces and supports a topsides weighing 39,000 tonnes at towout, increasing to 58,000 tonnes in operation. There were significant challenges faced by the engineering firms Doris Development Canada, Morrison Hershfield and Mobil Technology in developing a structural solution with adequate strength which was ...
The platform acts as a small concrete island with serrated outer edges designed to counter icebergs. The GBS contains production storage tanks for 1.3 million barrels of oil in an 85 m high caisson, with the entire structure weighing 587,000 tonne before 450,000 tonnes of solid ballast were added.
The Lun-A (Lunskoye-A) platform, located off the north eastern coast of Sakhalin Island and is a concrete gravity base substructure (CGBS).. An oil platform (also called an oil rig, offshore platform, oil production platform, etc.) is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formations beneath the seabed.
The Troll A platform is a Condeep gravity-based structure offshore natural gas platform in the Troll gas field off the west coast of Norway. Built from reinforced concrete , as of 2014 [update] , it was the tallest structure that has ever been moved to another position, relative to the surface of the Earth, and is among the largest and most ...
The Allseas’ Pioneering Spirit transferred a drilling platform to a 200-metre long cargo barge which passed under the Forth bridges.
The recapture of the so-called Boyko Towers platforms provides an energy source and takes back an asset that Russia seized in 2015 and used to launch helicopters, Ukraine’s Ministry of Defense said.
An oil platform in Israel's offshore Leviathan gas field is seen while an Israeli navy vessel patrols the Mediterranean Sea, Israel, Friday, Sept. 20, 2024. (AP Photo/Ariel Schalit) (ASSOCIATED PRESS)