March 2, 2022. Well control certificate is the certificate of oil drilling operation. Well control staff are trained intensively in June 165438+ 10 every year, and the exam is held on March 2 every year. The examination is relatively strict, which helps workers to work directly with certificates. Well control in oil drilling is an extremely important link in the process of oil and gas exploration and development, and it is also the premise and guarantee of oil and gas safety production.