There are a number of drilling models which have marked the historical past of offshore drilling.
Units that lit up the daybreak of offshore drilling in Louisiana reminiscent of Mr Charlie, Ocean Driller, Blue Water Rig One and later the primary fashionable jackup, the Scorpion.
At the beginning of the 1960s, the Glomar Challenger marked the start of drilling in dynamic positioning. Perhaps essentially the most well-known of the drilling ships was the Discovered Seven Seas, a pioneer in deep water drilling and which broke many information within the 1980s.
There are different drilling models which had an inglorious life regardless of having efficiently accomplished the applications meant for them. They ended their lives in oblivion earlier than falling into the palms of demolishers in squalid scrapyards.
Very few from the offshore drilling world, can bear in mind the Calabar Queen. The Calabar Queen was not essentially the most excellent drilling vessel of that point, however a easy medium capability, self-erecting tender assisted drilling unit fitted with an modern heave-compensated loading deck. The barge was constructed by the well-known Levingston shipyard in Orange, Texas, and registered within the shipyard books as hull No 984. The barge was delivered to Drilling Services Inc. on December 6,1969, and named after Calabar, a coastal metropolis of the Cross River State, in southeastern Nigeria. The unit operated by Santa Fe, labored for Mobil offshore Nigeria, performing drilling and workover operations till the mid-1980’s. Being chilly stacked for some time within the port of Dakar, Senegal, the vessel was purchased by a French start-up drilling contractor. Following lengthy months of refurbishment in Abidjan, Cote d’Ivoire, the vessel was renamed M’Bamou, after a Congolese river, and towed to the Tchibouela subject operated by Elf Congo, for improvement drilling. Tchibouela grew to become Elf’s most prolific subject within the Republic of Congo. The finish of the Calabar Queen stays wrapped within the West African haze. The unit was demobilized and chilly stacked within the port of Pointe Noire within the Republic of Congo. Rumors stated that the tender barge was towed to the Atlantic Ocean deep waters and sunk.
(Calabar Queen tender drilling barge – Image: Levingston Photography)
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