The Research And Design On The System Of Preventive Drilling Tool Anti Top

Prevention drill top system is an important guarantee for safe drilling construction,completely avoid the occurrence of drilling accident and top, very good to make up for gaps in the rig, security and development in a body, both to meet the requirements of construction site, but also conforms to the development trend of the drilling rig in the world, has a profound significance to the domestic and foreign oil drilling production.On the basis of analysis and Discussion on the domestic and foreign drill rig, this paper focuses on the research on the top of the preventive tool. After rigs at home and abroad literatures were not found in drilling with prevention drill on top of the function and drill top reasons were analyzed, combined with the control system of drilling rig, top prevention drill control control scheme is proposed.Combined with construction site environment, work process, construction process focus on prevention drill to the top of a system’s working theory were analyzed, the control of the system requirements, functional and design requirements are described, and prepare the theoretical basis for the research and design of the system. Through the analysis of the system,according to the requirements of the system and the use of the environment, the hardware design, so that it can not only meet the requirements of field use, but also to meet the needs of the work. The selection of hardware, desig n of specific circumstances, the development of the system software, while the software for the design, drawing the circuit diagram.Verify the prevention drill top field application of the system, to drill and to prevent sticking, blockage accident control has a significant effect, with broad prospects.