
Coastal production Preparation Complex (CPC) Chaivo
The purpose of the complex — is to prepare stabilized oil, which is shipped through the terminal in De Kastri, and natural gas, which is supplied to consumers in the Russian Far East or pumped into the reservoir to maintain reservoir pressure.
Customer: SMNG "Shelf"
| Working period | Description of works | Results |
|---|---|---|
| May 2024 | Maintenance of ABB switches and contactors in accordance with the manufacturer's technical regulations • Equipment: — Vacuum circuit breakers VD4/P (50 pcs.) — Vacuum contactors V12/P (18 pcs.) • Accomplished work: ✔ Full maintenance cycle of 50 VD4/P switches: — Mechanical wear check — Insulation resistance measurement (average value: 1000 mOhm) — Lubrication of mechanical components ✔ Maintenance of 18 V12/P contactors: — Cleaning of arc extinguishing chambers — Calibration of the contact pressure (5.5±0.5 kgf) | Reduction of emergency shutdowns, increase in the maintenance interval |
| July 2024 | Repair of the ABB ECS 800xA control system • Equipment: — ABB ECS 800xA — ABB REF542 relay protection device • Accomplished work: ✔ Elimination of communication errors between ECS 800xA and REF542 ✔ Replacement of the faulty protection relay of the 06Kv-01A-2 automatic machine(20) ✔ Restoration of compressor control VD R1-SEM65123 | During the repair, an error in communication with the ECS system was detected, and the problem was fixed |
| March 2025 | Comprehensive repair of ABB switchgear • Equipment: — ABB VD4 switches, ABB ZVC control unit • Accomplished work: ✔ Maintenance of the mechanical part and checking the electrical characteristics of the VD4 switches ✔ Repair of the insulation of the pole of the backup switch ✔ Diagnostics of locks of the ABB ZVC mechanism | 100% operability of switchgear has been restored |
| February 2025 | Supply of spare parts and maintenance of AMB electric motors • Equipment: — Electric motors type AMB 560L2A BSNH (2 units) • Accomplished work: ✔ Supply of original spare parts for AMB 560L2A engines ✔ L3 level maintenance: — Rotor balancing (residual vibration 1.8 mm/s) — Oil change ISO VG 68 — Insulation test (2500 V, 1 min) — Cleaning of ventilation ducts ✔ Complete diagnostics of engine components has been performed | Increased time to failure: from 8000 to 15,000 hours |


