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Difference between Semi Tender and Tender Assisted Rigs

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  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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What is a Well Control Certificate?

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  Well Control Awareness is important to every personnel onboard. (မြန်မာVersion below) If you are planning to work on a rig, you might be asked to present your well control certificate. Having a well control certificate is also one of the important steps to become a driller, derrickman, drilling engineer, or a drilling supervisor. A well control certificate shows the competency of a personnel in regards of well control procedures such as -Shut in procedures. -Circulation. -Flow check. -Operation of a BOP. -Well Killing Method. -Pressure ratings of the well control equipment & line ups etc. There are 4 levels in well control certificates. 1) Awareness 2) Introductory 3) Driller 4) Supervisor In order for you to pass the exam and acquire the certificate, one must be able to score 75% and above. There are two major organizations which mainly provides the certificates. -IADC (International Association of Drilling Contractors) Widely accepted in USA and the gulf of Mexico. However...
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