Eric L. Estrella
Bachelor Of Science In Electrical Engineering
General Santos City
Summary
Highly qualified and experienced Electrician with extensive knowledge in oil and gas upstream operations, including drilling rig equipment, mining operations, district cooling plants, and wastewater treatment facilities. Proficient in the maintenance and troubleshooting of electrical systems, including Programmable Logic Controllers (PLC), SCADA, DCS, BMS, and HVAC systems. Skilled in Testing , pre-commissioning, commissioning, and startup activities for various industrial facilities and equipment. Demonstrates a strong commitment to delivering high-quality work on time, while strictly adhering to all safety protocols and industry standards.
Professional electrician with strong expertise in rig operations, electrical systems, and troubleshooting. Known for reliable team collaboration and adaptability in dynamic environments. Skilled in safety protocols, system maintenance, and problem-solving. Focused on delivering high-quality results and ensuring operational efficiency.
Diligent [Desired Position] with solid background in maintaining and repairing electrical systems on oil rigs. Proven track record in troubleshooting and resolving complex electrical issues, ensuring minimal downtime. Demonstrated expertise in safety protocols and teamwork, contributing to efficient and safe operations.
Overview
29
29
years of professional experience
5
5
Languages
Work History
Rig Electrician
ThermaPrime Drilling Corporation
05.2024 - Current
- Operation and Maintenances of Tesco SCR rig.
- Operation and Maintenances of Atlas copco, Air compressor.
- Maintain the good condition of rig equipment.
- Checking equipment before Rig-up and Rig-down.
- Connect and disconnect topdrive, draw works, mud pumps, generator connection to SCR And other equipment during Rig down and rig-up.
- Conduct Pm.
- Install Gaitronics system.
- Install Rig cameras and troubleshooting.
- Install ADMS and troubleshooting.
- Troubleshooting the chiller for ECI TDS module.
- Troubleshooting of ROSS HILL, SCR RIG, NOV and Canrig top drive.
- Reconditioning of AC motor.
- Promote safety.
- Operation and Maintenances of 4-units of 3512 Caterpillar Generator.
- Installing, maintaining, and repairing electrical systems on land-based drilling rigs, which includes cable pulling as a key task to route electrical power and data cables through the rig's structure.
- Conduct Maintenances of Utilities and facilities from the rig using CMMS.
Electrical Technician
Ambatovy mining
05.2022 - 03.2024
- Troubleshoot Repair Install and Service LV, MV and HV Electrical Systems and Associated Equipment.
- Operate and Inspect and performed preventive maintenance and low voltage distribution System and associated switchgear and softstarter.
- Coach and mentor national workforce.
Rig Electrician (Offshore/Onshore)
Adnoc Drilling Company, Subsidiary of Abu Dhabi National Oil Company (ADNOC)
01.2011 - 06.2021
- Startup and pre-commissioning of Island Rig – 80, cluster type, walking system drilling rig.
- Conduct Grounding , Bonding check, Loop checking like cold loops check, hot loop check and operational loop checks.
- Hook-up and Installation Rig-Qarnin, offshore rig.
- Operation and Maintenances of 6-units of 3516 series and D399 Caterpillar Generator.
- Undertakes checks on specific items of electrical equipment at an assigned location and in accordance with an established schedule and verbal instructions to ensure their correct functioning.
- Undertakes Repair of Equipment Such as airconditioning units, Refrigerators, Lighting Equipment and derrick lights and Electric Motors Maintenance, Top up Batteries, NOV - Topdrive.
- Check Silicon Rectifier Room, Generator Load Sharing, Ground Detectors System, Airconditioning System, Emergency Lightings ,Silicon Control Rectifier Blower .Check for any abnormalities Noise and Clean A/C Heat Exchanger on weekly basis.
- Check Sewage Treatment Unit on weekly basis.
- Check top drive power module, check for the operation of heat pump, Check V-Buss and Raw Buss volt gauges and check for the indicator lights, check a/c units of topdrive of any abnormalities.
- Participates in Rig moves by checking Jacking ,skidding system assigned items from the rig moves preparation list and acts as standby to assist in providing power when necessary.
- Performs the duties and responsibilities in the implementation of the company's Integrated Health and safety Environment Program.
- Operation and Maintenances of Draw works, Mup Pumps, Rotary and Nov, Aker, Canrig, Cameron Letourneau DDTD Top drive.
- Operation and maintenances of ABB –VFD'S and SCR rig's.
- Knowledge in amphibian, integrated drilling control system, cyber rig.
- Operation and maintenances of port side and star port side crane.
- Operation and maintenances of 3-units IR air compressor and air drier system.
- Operation and maintenances of Shale Shaker's and Agitator pump's
- Operation and Maintenances of 5-units of D-399 Caterpillar Generator's.
- Operation and Maintenances of 14K farum, XY- crane.
- Conduct rig move, dismantling cables of mud pump's, Topdrive ,ambush cable, Scissor cables etc.
- Conduct Maintenances of Utilities and facilities from the rig using SAP.
Senior Electrical Technician
Veolia Water - Qatar
09.2009 - 12.2010
- Maintenance of Doha south 112000 m3/day of domestic effluent of waste water treatment plant.
- Maintenance of Industrial plant 12000 m3/day of domestic effluent of waste water treatment plant.
- Installing enhancements and major upgrades to plant electrical subsystems.
- Conducts maintenance thru computerized maintenance management system or CMMS in weekly, monthly, semi-annual and annual basis.
- Conducts Preventive maintenance and no load test ,load test of different substation of diesel generator such as follow...
- 1. 7 units - 640 kw of Cummins
- 2. 3 units - 800 Kw of Caterpillar
- 3. 5 units - 250 kw of Perkins
- 4. 1 unit - 140 kw Volvo penta
- Examine and test electrical power distribution machinery and equipment , using testing devices.
- Inspect electrical system and equipment to identity defects, and need for adjustment or repair. Suggest modifications in order to improve the reliability of the equipment.
- Participates in an on-call duty roster and works over and above normal hours as required to ensure Department Objectives are met and security of the plant is maintained as instructed by management.
- Adheres, respect and ensures the adherence to the company Occupational, Safety and Environment Policy and Procedures at all times.
- Fire marshal leader Industrial plant area.
- Direct Supervision of assistant Electrical Technician.
- Operation and maintenance of 3- units 10kva ( UPS ).
- Maintains files and technical documentation.
Plant Operator
EMPOWER DISTRICT COOLING SYSTEM
08.2007 - 08.2009
- Startup and Pre - Commissioning of 56,000 tons of Refrigerant Dubai Health Care City, District Cooling Plant.
- Responsible for creating, reviewing, and updating P&IDs, ensuring accuracy and compliance with industry standards.
- Operation and Maintenance of 60, 000 tons of refrigerant, Jumeraih Beach Residences and development of District Cooling Plant.
- Daily Execution, Analysis Improvement, Iteration and Document of Operations Plants and development of District Cooling Plant.
- Operation and Maintenance of Trane Centravac Centrifugal Chillers including its auxiliaries like Pumps, Switch Gear, Transformers, Soft Starter, Cooling Towers, Air Compressor, Air Handling Units, Fan coil Units, Heat Exchangers.
- Operation of PLC Panels, Bms, Scada Control, Fire alarm System and Oxygen Reduction System to Eliminate Occurrences of Equipment Failures and Maintain Cooling Temperature from Plant to ETS room of buildings for Costumer Satisfaction in accordance to Safety and Quality Standards.
- Daily reporting of Plant Performances efficiency and any abnormal operation that may effect to plant operation.
- Contributing in any Plant Improvement which can improve our efficiency for continuous progress and achievement of objective and targets.
- Operation and Monitoring of air cooled trane and carrier chillers.
- Record and compile operational data completing and maintaining forms logs and reports.
Electrical Technician
QATAR DISRICT COOLING COMPANY
02.2006 - 06.2007
- Startup and Pre - Commissioning of 25,000 tons of Refrigerant west bay, District Cooling Plant.
- Utilize P&IDs for troubleshooting, maintenance planning, and modifications.
- Operation and Maintenance of Electrical Equipment such as Switch Gear, Soft Starter, Transformer, Ngr, Variable Frequency Drive, Lvmcc, ups, Breakers.
- Operation and Maintenance of Mechanical Equipment such as YD,YK York Centrifugal Chillers Including its Auxiliaries like Pumps, Cooling Towers, Centrifugal Filtration Pumps, Air Handling Units, Heat Exchangers.
- Operation and Maintenance of Energy Transfer Station ( ETS ).
Senior Plant Technician
JARDINE ENERGY CONTROL PHILIPPINES INC.
05.1999 - 01.2006
- Responsible of the Service and Utilities are delivered on time and running within operating ranges.
- Check and Review Equipment Operation Log sheet ( Daily, Weekly, Hourly ).
- Ensured that service and Utilities system are accordance with CGMP Requirements.
- Implement and Supervise Preventive, Corrective and Predictive maintenances assigned by the Computer Maintenance Management System ( CMMS ).
- Prepared Scheduled of Manpower.
- Prioritized work orders and coordinate with product line for Scheduled of work.
- Prepared all necessary permits ( Working, Hot work, Gate pass ).
- Operation and Maintenance of Water Cooled type Chillers such as 2 - 350 tons Millennium Centrifugal, 1 - 60 tons York Reciprocating, 1- 62 tons York Screw type, 1 - 400 tons Dan Ham bush Rotary Chiller.
- Operation and Maintenance of Air Cooled Type Direct Expansion AC system such as 20 - units of 25tons Copeland Reciprocating Compressor.
- Operation and Maintenance of Air Compressor such as 1- 500hp Rotary Atlas Copco, 1- 500hp Centrifugal Centac Ingersoll rand, 1- 250hp Screw Atlas Screw Atlas Copco, 1- 150hp Reciprocating Broomwade,1 - 150hp Ingersoll rand and Domnick hunter, Compress Tech. Air Drier.
- Operation and Maintenance of Air Handling Units and 2- 15tons Domnick Hunter Dehumidifier.
- Operation and Maintenance of Dry type and Wet type Dust Collector system.
- Operation and Maintenance of Steam Generating System 500hp York Shipley Fire Tube Boiler.
- Operation and Maintenance of Water Pumping Station.
- Conduct Water Treatment Analysis of Potable and non - potable Water.
- Monitoring of Environmental Condition Using psycrometer inside the production area.
- Produced Technical reports, equipment Record and parameters, checklist and log sheet in different areas and Utilities and Utilities Equipment.
- CONTRACTOR OF UNITED LABORATORIES PHILIPPINES INC.
Facilities Technician
BEST ELECTRONICS AND COMPONENT INC.
02.1997 - 01.1999
- Operation and Maintenance of Electrical Equipment such as Liebert series 150kva 3-phase un-interruptible power supply and 300kva Standby Caterpillar Generator.
- Operation and Maintenance of Mechanical Equipment such as Liebert De - luxe Reciprocating Air Cooled ac system, 2 - 300hp Rotary Atlas Copco Air Compressor Including Broomwade Air Drier.
- Installation of Electrical Wiring Including lay - outing of Telephone Outlet.
- Monitoring of power consumption in every shift.
Cadet Engineer
ECO - PLASTIC PHILIPPINES INC.
11.1996 - 01.1997
- Mould Setting of Yanghing Hydraulic Injection Machine , Adjusting mould clamping, low, high pressure, Adjusting nozzle heater.
- Trouble shooting of motor control including 1-phase, 3- phase motors.
- Fabricating Steel table using Electric welding and oxy-acetylene.
Education
Bachelor of Science - Electrical Engineering
Isabela State University
Ilagan, Isabela, Philippines03.1995
Skills
Twenty four ( 28 ) Years Experiences in the field of Power Utilities and Facilities of HVAC
Independent, Result- driven, hard working person conscious, eager to learn and willing to work overtime
Extensive Knowledge in trouble Shooting and Repair of York Centrifugal, Screw, Reciprocating Compressor Chiller
Extensive Knowledge in trouble Shooting and Repair of Air Compressor such as Atlas Copco, Centac Ingersoll Rand, Gadner Denver, Broomwade Including Domnick Hunter, Compress technology Air Drier
Extensive Knowledge in Operation and Maintenance of York fire tube Boiler
Extensive Knowledge in Operation and Maintenances of 33/11 kv Siemens Switch Gear
Knowledge in trouble Shooting of Electrical Problem such as motors, contactors , circuit breakers, UPS, Fuses ,Softstarter
Electrical system maintenance
Troubleshooting electrical equipment
High voltage systems
Low voltage systems
Medium voltage systems
Preventive maintenance
Award Received
Five ( 5 ) Years loyalty award : Jardine Technical Services Phils., Best Plant Award : Dubai Health Care City, District Cooling Plant, Dubai ,UAE
Affiliations
- Member of Institute of integrated of Electrical Engineers in the Philippines Membership no. 32480
- Exam Licensed Taken and Issued by the Philippines Government
- Registered Master Electrician - Phils. Regulation Commission Licensed Nos. 0023471
- Domestic Refrigeration & Aircon Mechanic – 1, Tesda
Trainings Attended
- Photovoltaic Installation Training ( SRNE Phils. and GoodWe Phils.) BZ Solar November 8,9, 2025
- Solar PhotoVoltaic System Installation FEMPS October 16, 2025
- Substation and Testing And Maintenance FEMPS October 10, 2025
- Electrical Safety in the workplace Institute of Electrical Engineers of the Philippines February 06, 2025
- Wireless Steam Trap Monitoring to Reduce Energy losses and CO2 Emissions ISA 100 WIRELESS March 20, 2024
- FIRE SAFETY INSPECTOR Confab Safety Training Center Sept. 15, 2023
- ELECTRICAL SAFETY INSPECTOR Confab Safety Training Center August 20, 2023
- ATEX – 1 ( INSTALLATION, SERVICE AND MAINTENANCE INERIS Ism Atex February 22 – 24, 2023 Ineris Certificate No. 23CE0756 TAMATAVE, MADAGASCAR
- SHIPBOARD ELECTRICAL INSTALLATION AND MAINTENANCE SEAMAC International Training Institute March 14 – 18 ,2022
- Marine High Voltage Course ( Mahivo ) SEAMAC International Training Institute March 7 – 9, 2022
- Advanced Fire Fighting, 36 Hrs. Far East Maritime Foundation Feb. 28 – March 04, 2022
- BT Courses ( BT – Personal Survival Techniques,64 Hrs.) Far East Maritime Foundation Dec. 15 – Dec. 27, 2021
- Hybrid Renewable Power MEFP – Phils. January 31, 2022
- Grounding and Bonding ( 400v SYSTEM ) MEFP – Phils. January 24, 2022
- Solar night light assembly Tesda – Phils. August 12, 2021
- Installing and configuring computer systems Tesda – Phils. August 13, 2021
- Packaged air conditioner unit servicing Tesda – Phils. August 14, 2021
- Operation and maintenances of motors Institute Integrated Electrical Engineer – Phils. September 18, 2021
- Cable sizing calculation based on IEC standard IIEE – Phils. September 04, 2021
- Basic tools on energy management system IIEE – Phils. September 05, 2021
- Transformer testing and Maintenance IIEE – Phils. September 27, 2021
- MV Splice and termination IIEE – Phils. October 28, 2021
- DC Motor Testing Megger Asia Oct. 12, 2021
- Micro-ohmmeter for today and for the future Megger asia Oct. 13, 2021
- Electrical Rig inspection and troubleshooting Igsina - UAE Feb. 5 – 10, 2020
- PROFIBUS/PROFINET Siemens –Marco Polo Davao April 05, 2018
- ELECTRONIC ENGINE DIAGNOSTIC Caterpillar 3516 and 3500 Series Sharjah, Abu Dhabi, UAE 07.08.16 – 11.08.2016
- VFD – SIEMENS Sinamics S 120 Service and Commisioning Abu dhabi, UAE 01.03.2015 – 05.03.2015
- PLC , SIEMENS, S7 – 300 Simatics S7 Service training 1 Abu dhabi, UAE 10.05.15 – 14.05.15
- PLC 101: Basic to Intermediate PLC Programming OMRON Training Center Makati City, Philippines March 4-5, 2014
- PLC – Programming Methods and its Application Institute of Integrated Electrical Engineers of the Philippines Cubao City, Philippines April 6, 2013
- Calibration For Process Instrumentation Meralco Foundation , Incorporated Ortigas Avenue, Pasig City, Philippines June 1, 2011 ( 36 training hours )
- Electrical Control Wiring Installation and Troubleshooting Meralco Foundation, Incorporated Ortigas Avenue , Pasig City, Philippines August 16, 2012 ( 48 training hours )
- Further Offshore Emergency Training ( With Emergency Breathing System ) Gulf Technical and Safety Training Center, United Arab Emirates, Abu Dhabi, P.O. Box 25159 September 03, 2018 – September 02, 2022
- Basic Occupational Safety and Health ( BOSH) ZAP Occupational Health and Safety Consultancy Services Makati City, Philippines September 23, 2011 (42 training hours)
- H2S/ Breathing Apparatus GTSCC, United Arab Emirates, Abu Dhabi, P.O. Box 25159 8 training hours
- Green Hat Program for Rig Pass Buhasa NDC, Training Camp, Abu Dhabi, UAE 60 Training hours
- Permit to work and gas testing : Bureau of veritas, uae - March 03, 2013
- Safe Rigging and Slinging : M/S National Drilling Company, Rig Alyasat UAE, July 4, 2012
- Operation and Maintenance of York YD, YK - Centrifugal Chiller : York Johnson Control, Dubai, UAE Oct. 29 - 31, 2007
- SwitchGear Operator for safety & Operational Procedures By : Engr. Jassim Ali Shams Head of Operational & Maintenance : Kahramaa, Electricity Distribution Department, Doha Qatar June 18 - 22, 2006
- Training & Exposure to District Cooling Plant Operation By : Mohammed Moid Khan : Tabreed District Cooling Plant Muroor Road, Abu Dhabi, UAE
- Superindendent - Operation Dept.
- Bearing basic & Maintenance : Motion & Control NSK
- Operation & Maintenance of Automatic transfer switch and low voltage Switch Gear : Fuji - haya Electric Corp. of the Phils
- Pro - Active Costumer Service Training : Jtspi Phils. Inc.
- Supervisory Skills Training : Jtspi Phils. Inc.
- Boiler Water Treatment & Cooling Tower : Ancotek Chemical & Services Phils.
- Electrical Safety : Safety House Inc. Phils
- Hvac Trouble Shooting : Jtspi Phils.
- Emergency Preparedness : Safety House Inc. Phils.
- Boiler Maintenance & Operations : Betans Boiler & Repair Services Phils.
- Occupational Safety & Health : Jtspi Phils
- Refrigeration & Aircon Servicing : Meralco Foundation Phils.
- Quality Costumer Services : Jtspi Phils. Inc.
- Basic Programmable Logic Controller : Meralco Foundation Phils.
- Pneumatic Automation : Meralco Foundation Phils.
- Operation & Maintenance of Hydro Electric power Plant : Magat River Hydro Electric Plant Phils.
- Trainee Industrial Electrician : Coca Cola Bottlers Phils. Inc.
Timeline
Rig Electrician
ThermaPrime Drilling Corporation
05.2024 - Current
Electrical Technician
Ambatovy mining
05.2022 - 03.2024
Rig Electrician (Offshore/Onshore)
Adnoc Drilling Company, Subsidiary of Abu Dhabi National Oil Company (ADNOC)
01.2011 - 06.2021
Senior Electrical Technician
Veolia Water - Qatar
09.2009 - 12.2010
Plant Operator
EMPOWER DISTRICT COOLING SYSTEM
08.2007 - 08.2009
Electrical Technician
QATAR DISRICT COOLING COMPANY
02.2006 - 06.2007
Senior Plant Technician
JARDINE ENERGY CONTROL PHILIPPINES INC.
05.1999 - 01.2006
Facilities Technician
BEST ELECTRONICS AND COMPONENT INC.
02.1997 - 01.1999
Cadet Engineer
ECO - PLASTIC PHILIPPINES INC.
11.1996 - 01.1997
Bachelor of Science - Electrical Engineering
Isabela State University