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The difference between CNOOC drilling supervision and workover supervision

The job content is different.

Drilling supervision refers to supervising the process of wellhead drilling, including bit selection, drilling fluid use, well depth control, coring, etc. Workover supervision refers to the supervision of wellhead maintenance and improvement, including wellbore repair, anti-corrosion treatment, string replacement, etc.

Advantages of CNOOC drilling supervision and workover supervision: The purpose is to ensure the safety, efficiency and quality of drilling and workover work, protect the environment and abide by laws and regulations.