Berkut — offshore drilling rig
Russia's largest offshore oil and gas drilling platform designed for the development of Arkutun Dagi, the third field of the project "Sakhalin-1". The platform is located 25 kilometers from the northern part of Sakhalin Island, offshore in the Sea of Okhotsk.
Customer: SMNG "Shelf"
| Working period | Description of works | Results |
|---|---|---|
| October 2024 | Maintenance of AMS 900LH generators • Equipment: — DSU essential (2 pcs.), emergency (1 pc.) — Frequency converters ABB ACS800 (2 pcs.) • Accomplished work: ✔ Diagnostics of the generators' condition ✔ Checking the IF parameters ✔ Delivery of spare parts under the L3 program | Uninterrupted operation of the platform's power system during the autumn-winter period has been ensured |
| October 2024 | Calibration of ABB and GE relay protection • Equipment: — ABB terminals REM 543, REM 545 — GE Multilin RELAY 869, 469 — VD4 switches • Accomplished work: ✔ Checking the input circuits ✔ Testing the trigger logic | The correct operation of the security systems has been confirmed |
| February 2025 | Maintenance of ABB Emax switches • Equipment: — ABB Emax circuit breakers (31 units) • Accomplished work: ✔ Checking of mechanical characteristics ✔ Measurement of insulation resistance | Reliable switching in winter conditions is ensured |
