Unique work was undertaken by Drilling Innovation specialists outside of Russia with the application of profile liner. In this case the profile liner PL-168C was used to eliminate leaks in the 6-5/8" casing (168mm) at a depth of 785m.

The customer for a long time trying to eliminate casing leaks by standard methods using cement plugs and drilled them. Cement jobs did not provide any guarantee for its durability and long-lasting effect.

Installation of PL on the well 2113 Kalamkas gave 100% result and eliminate leaks in the casing. And workover team could continue the repair works.

After setting the PL in the range of leakage, the PL was reamed by special reamer to diameter 5.63" (143mm).The ID after installation of PL at the point of isolation become 5.63" (143mm) and Customer was satisfied.