Nagarajan Karthick
Senior Mechanical Technician
Coimbatore,TN
Summary
Senior Mechanical Technician – Rotating and Static Equipment. Have more than 15 years of Professional Experience in Oil & Gas (Offshore) as a Mechanical Specialist. Have excellent Installation, Pre-Commissioning and Maintenance practice in major Rotating & Static Equipment such as wellhead cranes, Gas & Steam Turbines, Compressors, Pumps, Diesel Engine, Fans & Blowers, Pressure Vessels and Valves etc. Am looking forward to the right opportunity to utilize the knowledge I have gained through experience and qualifications.
Overview
18
18
years of professional experience
2
2
Languages
1
1
Certificate
Work History
Senior Mechanical Technician
Dana Gas ,Crescent Petroleum
02.2025 - Current
Senior Mechanical Technician
Saipem, Castorone Vessel
08.2024 - 02.2025
Senior Mechanical Technician
Northern Oil Company - Qatar
08.2023 - 06.2024
Senior Mechanical Technician
TAQA through Weather Ford - Iraq
06.2016 - 05.2023
Senior Mechanical Technician
Shell Iraq petroleum development (majnoon oil field)
10.2012 - 05.2015
Mechanical Technician
OXYQATAR OFFSHORE
12.2011 - 09.2012
Mechanical Technician
PDOC Sudan
03.2008 - 11.2011
Education
Diploma - Fire And Safety Engineering
G.K. Institute
Madurai12.2010
Diploma - Mechanical Engineering
Karnataka University
Madurai08.2008
Skills
MS Office Packages
SAP
Mechanical troubleshooting
Equipment installation
Root-cause analysis
Safety protocols
Equipment monitoring
Equipment troubleshooting
Preventive Maintenance
Hand tools proficiency
Production equipment installation
Mechanical alignment
Emergency repair management
Disclaimer
I hereby declare that the above-mentioned information's correct up to my knowledge and I bear responsibility for the above-mentioned particulars.
Roles And Responsibilities
Day-to-day maintenance activities. Preventive maintenance of all equipment like centrifugal pumps, Fin-Fan Coolers, Conveyer systems etc. Breakdown maintenance of all equipment. Overhauling of all rotating equipment. Maintaining a record of the Instrument log sheet every hour. Carrying the routine weekly run test of equipment & regular checks of wellheads, separators, Instrument Air and all measuring units. Checking the water and Oil interface level in the Separator Sump tank. Hydro Testing of pipeline. Carrying out running maintenance of all critical equipment. Carrying out all Preventive, Predictive and Breakdown maintenance. Involved in emergency shutdown activities.
Job description
Maintenance of power generator diesel engines, Maintenance of process wellhead crane, Engines (Power Arm, American, Aero Weather Board Cranes) Maintenance of fire water pump engines (Caterpillar, WMW, Detrol, Cummins engines). Turbines generator filter changing, Wellhead platform Power generator operating maintenance of power systems, Hydraulic oil pump, Hydraulic rotating motor, Valves, Air compressor operation, sea water pump, Glycol feed pump, and safety operation etc.
Commissioning experience
Carrying out of pre commissioning activities are. Leak and Pressure Test Perform Witness, Equipment Inspection (Towers, Reactors, Etc.), Flushing, Chemical, Mechanical Cleaning Perform Witness, Temporary Screens, Strainers and Blinds Perform Witness, Purging and Inserting Perform Witness, Drying Out Perform Witness, Instrumentation Verification Perform Witness. Gas testing, chemical handling, confined space entry and atmospheric monitoring. Responsible for the successful commissioning of the three-phase and two-phase separator, Crude Oil storage tanks, and Boilers. Commissioning and operation of actuators, regulators, positioners, control systems, pipes, filters, relief valves, temperature and PH control, dual-stage pressure drop designs, instrument air-to-gas conversion skids and cost improvements on all oil and. Carried out piping and process commissioning sour process platform, performed piping leak test activities, and operation test plan.
Pump operation
Operations of Centrifugal & Reciprocating pump open Startup & shut down. Maintenance seal check, Cavitation, Suction & Discharge pressure check-up, pulsation chamber, Strainer operation coupling. Lube pump operation, oil level maintenance, and vibration check. Shaft vibration & Heat check-up, speed setting chemical dose pump operation, submersible pump operation, troubleshooting, etc. Operations and Maintenance to single Pump and multistage Pumps. Experience in Dismantling and assembling Pumps Replacing seals, Packing, Bearing etc. Assembling and dismantling of pumps. Experience in maintenance of plunger pumps chemical dosing pumps, duplex, triplex pumps gear pumps, Diaphragm and methanol injection pumps.
Compressors
Different types of Gas Compressors (Reciprocation, Centrifugal & Screw Type) Gas Compressor Startup & Shutdown. Cylindrical lube oil Maintenance, Compressor unit pre-lube oil level Maintenance, crankcase oil level maintenance. Coolant water level RPM setting, intercooler operation, Temperature maintenance, Scrubber pump operation Fuel gas Filter separator operation & Isolation, recycling, PVC operation. Temperature logging Suction, Discharge valve leaking. Overseeing Engine cylinder function, Cylinder fire order, Fuel gas purging, Cooled water SDV & BDV operation, troubleshooting, etc. Reciprocating Air & Gas Compressors, Screw Compressor, HVAC & Refrigeration
Gearboxes
Various Reduction & Step Gear Boxes associated with rotating equipment. Centrifugal, Motor Operated Valves, Mixers & Agitators, Extruders, Cutters, Shredding Machines, Industrial Sewing Machines, Vibrators, Conveyor Belts. Cooling Tower Fans, Blowers, Various Pneumatically Operated Equipment, ID Fans / FD Fans, and Granulators.
Mechanical seals gland packing
Experience in Fixing and removing seals of pumps, compressors, etc. Have a good knowledge of single-spring and multi-spring
Other field experiences
Experience in maintenance of Heat Exchangers, Gear Boxes, Blowers, Isolating valves, Spading & De spading.
Alignments
Experience in alignment of pumps and compressors, motors Etc.
Pipeline works
Involved in fractioning of pipeline, maintenance, measurements, and testing.
Valve types
Serve and operate maceration of all types of valves like Ball valve, Plug Valve, Gate Valve, Globe valve, Butterfly Valve, Blow valve, Diaphragm form valve, Non-return valve (Flab type & Plate type Valve) Sandwich type piston type NRV etc. Pressure control valve, Flow control valves, Direction control valve, simple relief valve, Unloading valve, Sequence valve pressure reducing valve, Check valve, Wellhead valves (Subsurface safety valve, Surface safety valve, Wing valve, maintenance and operation
Diesel engine generator operation
Diesel engine cooling lubrication system, Oil pump (gear type and rotor type) maintenance, direct injection and indirect injection, cylinder block, cylinder head, Liners, piston, piston ring, Crankshaft, Camshaft, Connecting rod, Timing gear, Valve timing mechanism, Troubleshooting. Air- and water-Cooling radiator, Radiator pressure cap, Impeller, Thermostat valve operation, Fuel feed pumps (Mechanical and electrical fuel pump) Fuel injector, and Fuel filter maintenance. Involved in seal changing, bearing changing and seal and Lube oil circuits accessories maintenance.
Gear box
Worked on all types of Gearboxes, attached preventive maintenance and break down maintenance bearing alignment setting, Oil seal checking and replacing
Safety equipment operations
Familiar with handling of Safety equipment, H2S Monitor, Gas Detector, Breathing Apparatus, Fire detection systems ( U.V. Sensors, Fusible Plug etc.,) and Fire extinguishers.
Safety trainings
- Personal survival Technique
- Fire Prevention fire Fighting
- Personal Safety, Social Responsibility
- Elementary First Aid
- Helicopter Underwater Escape Training.
Certification
Eagleburgmann Dry seal gas Training certificate in Turkey