Unique P&A approach converted days per well to wells per day
Unique P&A approach converted days per well to wells per day
2 PagesUnique P&A approach converted days per well to wells per day Results ? Deployed tension set packer for casing isolation and pressure test in combination with cement retainer setting tool ? Completed P&A on 20 wells, reducing on-well time from average 1.1 days to 0.5 day, saving the operator an estimated $1.6 million USD Challenges ? Inadequate well information ? Highly corroded surface casing ? Twin well conductor removal ? Parted 9 5 / 8 -in. surface casing and casing leaks ? Plugged tubing ID ? Stuck barrier plug In January 2017, a major operator began decommissioning its retirement asset inventory of 3,000 to 4,000 wells on 311 platforms in the Gulf of Thailand. Plug and abandon (P&A) operations in these wells were classified into two phases— lower (r
