For insiders of oilfield (assets of petroleum company) informatization and automation, the 20th anniversary is an great event since China DOF (Digital Oil Field) was initially proposed in 1999. In the past 20 years, much more achievements were obtained by implement of China DOF, which promote the groundbreaking of intelligent oilfield, and outlook for future wisdom oilfield and gas oilfield or unmanned oil and gas field concept.
