Completion center is offering wide completion service since its establishment in 2015. We have successfully completed many key projects:LD and JZ23-2 heavy oil fields development, KL16-1,KL6-1,WZ12-8E. A total of 2385 wells operation have been conducted in 2023 and the workload show a 19.2% increase compared to 2022. KL16-1 is one of the key demonstration project to deploy COSL’s new completion technologies. Open hole zonal gravel packing technology combined with water control technology is effective in lowering the water cut and oil recovery enhancement, the integrated intelligent completion with open hole zonal gravel pack technology offers a new solution for unmaned platform.

We can provide on-site services such as production completion, sand control completion, intelligent completion, and artificial lifting, and have an experienced and highly qualified on-site service team.During the on-site service, it is capable of providing services

to 45 production completion sites, 17 sand control completion sites, 8 intelligent completion sites, and 2 artificial  lifting sites at the same time.

COSL will continue providing high standard service quality, dedicate to offering excellent products and technology for whole wellbore solution. We have received over 200 excellent performance letter from our customers, and received 23 various honor. We are on our way in becoming the world top class production enhancement service company.