On November 19, 2018, Sakhalin Energy successfully ran a casing string of 244.48 x 11.99 mm L80 type 1 with TMK UP PF premium threaded connection in the Piltun-Astokhskoye field in the Sea of Okhotsk. Drilling was carried out on the Molikpaq platform. The string was run into a directional water injection well. The depth of the sea in the area of works is 30 meters. The pipe was run downhole under the supervision of the service division of TMK-Neftegazservis. The total number of pipes that were run downhole amounted to 264 pieces. The string was tested for leaks with 1.32 SG drilling mud at a pressure of 2,900 psi with a holding time of 30 minutes. The pressure drop was 0 psi, the string is tight.