Ultra-deep large diameter graded casing cementing technology is a cementing technique used in deep wells such as oil and gas wells,water wells,etc.In the process of oil and gas development operations,wellbore cementing is a crucial aspect aimed at ensuring the stability of the wellbore,preventing leakage of formation fluids,and protecting the wellbore from erosion.This study primarily analyzes the key technologies of ultra-deep large diameter graded casing cementing,laying the foundation for the smooth implementation of ultra-deep large diameter graded casing cementing operations.
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