Different Types of Offshore Rigs - Part (1)
Knowledge sharing on
1)Jackup Rig
2)Drillship
3)Semi-Submersible Rig &
4)Swamp Barge
Difference between Semi Tender and Tender Assisted Rigs
This time we will be talking about tender and semi tender rigs. They are one of the most commonly used rig types in offshore, especially in offshore. Semi tender and tender rigs are usually stationed beside the platform. For example (West Vencedor from Seadrill in Yetagun Campaign, Myanmar) So what are the advantages of semi/tender rigs? 1) Self-raise capability. Can remove its own drilling package and then rig-up on the same package on another platform. 2)Large deck space to store the drilling equipment. 3)Could be fabricated in many yards. 4)Can be utilized as a construction barge depending on the conditions. 5)Can be used where the platform is out of reach from jackup's cantilevers. So what are the disadvantages: 1)Cannot operate in deep water conditions. 2)Cannot withstand rough weather conditions. 3)Weight sensitive. The difference between semi tender and tender rig is the hull design. Since semi tender is a semi submersible, it can operate in deeper water, can withstand to ...
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