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Petroleum Drilling and Drilling Platforms for on / off-shore drilling operations are structured according to the shareholders used. Their use focuses on finding new ways to strengthen ways to reduce energy consumption and increase reliability and reduce the technical risks that may arise during operation. Optimization of the structure depends on the drilling method in relation to the operating systems that fulfill the necessary functions for the technological process. Keywords— Maintenance; Method, Top Drive, System I.INTRODUCTION Petroleum Drilling Drilling Platforms for on / offshore drilling operations are structured according to the shareholders used. Their use focuses on finding new ways to strengthen ways to reduce energy consumption and increase reliability and reduce the technical risks that may arise during operation. Structure optimization depends on the drilling method in relation to the operating systems that perform the functions required for the eco-process. Handling of the drill string is a complex operation in which many auxiliary operations are required, both for the extraction operation and for the load introducing operation. The removal of the drill string consists of its decomposition in steps of a certain length and its storage in the stack. Although drilling operations such as insertion operations occupy a significant portion of the total maneuvering time, that is to say the operation of the drilling rig, they are in themselves unproductive operations and the time during which such an operation is carried out is called auxiliary time (TA). Hence, the major desideratum that led to the emergence of modern drilling and intervention facilities is that the auxiliary time is minimal, if possible even zero, which means that the maneuvering speed has always the maximum value dictated by the technological process served and the strength of the structure's resistance structure. II. GENERAL RELATIONSHIP FOR THE TOTAL TIME OF HOISTING(MANEUVER) TUBULAR MATERIAL IN THE WELL Starting from the general relation of the total maneuver time (Tm) (eg extraction of the drilling gasket from the depth H), (1), we can say that:

Determining the Causes of the Main Uncontrolled Stops on the TOP DRIVE System during Drilling with the Maintenance Plan Study