Taking a Look at th Drilling Process - 844 Words

Rotating system There are two type of rotating system in drilling process, rotary table and top drive system. Rotary table make the rotation of drill string through torque applied by the rotary table and by the hexagonal Kelly on the drill floor. It is the old type of rotating system, need more workers on the field because it rotates manually. Top drive system rotate the drill string by using hydraulic or electrical motor that is hang on the mast of the drilling rig (Cherutich, 2009). Rotary table component: †¢ Swivel and Swivel Bail - Hang below travelling block to support the drill stem system †¢ The Kelly - Special section of pipe that is attached to the bottom of the swivel by threading †¢ Kelly bushing - device that is fit The Kelly †¢ Master bushing – device that fit the Kelly bushing which is mounted on the rotary table †¢ Rotary table – located on the floor of the rig and it is capable of producing a strong rotating force that is called â€Å"torque† Figure 3: Rotary Table (Source: Mr Aslam’s Rig Component slide page 37) Top drive system †¢ hang below travelling block and has its own heavy duty motor †¢ It is comprised of one or more electric or hydraulic motors †¢ connected to the drill string by a short section of pipe called the â€Å"Quill† †¢ The top drive is able to move up and down the derrick †¢ does not use the Kelly Figure 4: Top Drive System (Source: http://slc-jh.ru/en/production/the-top-drive-system-slc-jh/192.html)Show MoreRelatedThe Effect Of Unconventional Gas Expansion On Energy Economy3233 Words   |  13 Pagesof the unconventional gas production exhibits a number of uncertainties with regards to the natural gas overall supply balance which in turn has a great impact on the energy economy in general. 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