Where is the kelly located in the rotating system of a drilling rig? a. Between

Question

Where is the kelly located in the rotating system of a drilling rig? a. Between the crown and traveling blocks b. Beneath the swivel c. Between the last joint of drill pipe and first drill collar d. Below the swivel Which component of the rotating system turns the kelly while drilling? a. Spinning wrench b. Rotary table c. Tongs d. Rotary Table Which of the following drilling components has the highest weigh? a. Drill collar joint. b. Drill pipe joint. c. 12 inch drill bit d. Slips What component of the drilling rotating system has rollers that allows the kelly to move down while rotating as drilling progresses? a. master bushing b. drawworks c. kelly bushing d. traveling block What might happen if the drill string was turned CCW rather than CW? a. Rotation of the drill string CCW might release a stuck pipe b. Rotation CCW might unscrew drill pipe joints c. The rotating system is usually designed to rotate CW and CCW d. none of the above Which of the f

Explanation / Answer

SOLUTION:-1.

Option (b) is correct

Wells are drilled by the pipe &bit rotation, therefore it is very important to have an efficient rotation system. This system mainly includes swivel, Kelly, rotary drive and rotary table. The working principle of rotation system is the Kelly, which is connected to the drill pipe drove by the rotary table and then the whole drilling string can be rotated for drilling. it is located just beneath of the swivel

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