Available in material versions K1, K2, K3 according to GOST 13846-89 and AA, BB, СС, DD-NL, EE-NL, FF-NL, HH-NL according to API Spec 6A.
Basic advantages:
- speeding up the well construction process
- BOP reinstalation is not requred (all strings are installed through one preventer)
- no need to wait for cement hardening
- increased ease of installation when using an emergency kit for hanging technical columns (standard installation)
- level of technical requirements for manufacturing according to GOST / Safety level according to API: UTT 1, UTT 2, UTT 3, UTT 4 / PSL1,PSL2,PSL3,PSL3G, PSL4
- level of technical requirements for performance characteristics according to GOST/API: UTR 2 / PR1, PR2
