The main function of the drawworks on a MODU is to ________.
A
transport tubulars from the pipe racks to the derrick floor
B
maintain constant tension on the marine riser
C
store and secure the excess drill line
D
lower and hoist the drill string into and out of the drilled hole
E
İlgili Sorular
On a small passenger vessel, if an inlet or discharge pipe§is not accessible, its shut off valve ___...The Master or person in charge of a MODU is required to submit a casualty report of an intentional ...What is the proper direction of flow through a globe valve when the valve is installed to be in a no...Two vessels are abreast of each other and passing port to port in a confined waterway. What should ...Which is the most accurate instrument for measuring the amount of oxygen in the atmosphere of a con...