Research and Design of Full-Electric Intelligent Drilling System

Low carbon, environmental protection and intellectualization are the only way for the construction of green oil field, and full-electric drilling equipment is the main direction of intelligent upgrading. The existing hydraulic driven automatic drilling equipment has low operation efficiency, poor stability, low success rate and serious environmental pollution, while the electric drive has high accuracy, convenient speed regulation, easy automatic control, high stability and operation success rate, and more importantly, it has little pollution. This paper solves the technical problems of electric drive, heavy load and intelligent control, and a set of full-electric intelligent drilling system was designed based on the technologies. The system mainly includes electric iron driller, electric pipe grasping manipulator, and so on. Relying on the existing standpipe drilling technology, this paper first designs the overall structure of the full-electric surface drilling system, and then focuses on the working principle of the full-electric iron driller and the full-electric pipe grabbing device. The structure of the full-electric pipe grabbing device for the use conditions of large torque and heavy load was designed. The finite element analysis results show that the full-electric pipe grabbing device can meet the requirements of heavy load in drilling. The system adopts electric drive to further improve the automation degree of equipment, operation efficiency and safety of drilling operation, lay a solid foundation for the development of intelligent drilling equipment and contribute to low-carbon drilling operation.