Drilling Rigs

Currently, Serept hold two (02) fixed drilling rigs :

• CTF Rig 05, installed on the platform PF3 since 2012, which was served twice as a WORKOVER Rig in the platform PF2. This Rig is designed for drilling and workover operations.

Casing design :

It is worth mentioning that :

• All wells are deviated.
• The casing design is as follow :

Conductor pipe 26" :

• Maintain unstable and soft surface formations
• Mean length : +-160m

Surface casing 20" :

• Isolate and protect surface aquifers
• Mean length : +-300m

Intermediate casing 13 3/8" :

• Isolate and protect surface aquifers
• Mean length : +-1500m

Production casing 9 5/8" :

• Isolate and protect producing zones
• It could be used to set the production packer
• Mean length : +-2100m

Production Liner 7” or 5" :

• Isolate and protect producing zones
• For the installation of the completion equipment
• Cemented to the liner hanger.