How long will it take the driller to find the drilling director?

More than five years. The time required for a driller to become drilling director varies from person to person, depending on personal ability, academic background, work experience, industry demand and other factors. Generally speaking, a driller needs at least 5 years' working experience as a drilling engineer, and then he needs to further improve his skills and knowledge and become a senior engineer or foreman. If you want to be a drilling director, you need to have leadership, management and communication skills.