Sandy Mangayan

To be part of a company where I can use my experience in drilling operations, equipment maintenance, core recovery and safety procedures. I aim to contribute to efficient and safe drilling activities while continuing to improve my skills and support the drilling team.

Driller - OREMET CORP. - Kibungan, Benguet

(2025-08)

Drilling Rig: AndyDrill / XY-200

• Inspect and operate drilling rigs and equipment.
• Monitor drilling parameters to maintain safe and efficient operations.
• Conduct SPT (Standard Penetration Test).
• Conduct PWT (Pressure Water Test).
• Follow company safety procedures and environment regulations.

Driller - INDODRILL PHILIPPINES - Cordon, Isabela, Philippines

(2025-08 - 2026-06)

Drilling Rig: Indodrill DR-071 and Sandvick DE-140

• Inspect drilling sites, rigs, and equipment to determine appropriate drilling methods and equipment.
• Collaborate with the drilling crew to optimize operations, improve performance and minimize downtime.
• Maximize core recovery through the proper use and management of drilling fluids.
• Maintain proper drilling-fluid viscosity for efficient drilling operations.
• Follow safety procedures and maintain good housekeeping at the worksite.

Welder - FERROCHROME RESOURCES INC. - Acoje, Sta. Cruz, Zambales, Philippines

(2020-02 - 2020-12)

• Perform welding in flat, horizontal, vertical and overhead positions.
• Perform quality welding procedures according to work requirements.
• Conduct regular inspections of equipment, power tools, wires, hoses and valves.
• Maintain clean, organized and safe work areas.

Driller - ZDMC / DMCI - Acoje, Sta. Cruz, Zambales, Philippines

(2014-07 - 2014-11)

Drilling Rig: YBM-3JES / TOHO

• Inspect and prepare drilling equipment for the next borehole.
• Dismantle, assemble, set up and operate drilling rigs and equipment.
• Maintain a clean, organized and safe workplace.
• Follow proper drilling procedures and safety protocols.

Driller - BUNDOK DRILLING SERVICES INC. - Acoje and Guis-guis, Sta. Cruz, Zambales, Philippines

(2011-08 - 2012-10)

Drilling Rig: XY-300 / XY-400

• Coordinate with geologists and field supervisors during drilling operations.
• Perform routine inspections, maintenance and minor repairs on drilling equipment.
• Ensure proper handling of drilling tools, equipment and core samples.
• Assist in maintaining safe and efficient drilling operations.

Welder - ZDMC - Acoje, Sta. Cruz, Zambales, Philippines

(2009-11 - 2010-07)

• Regularly inspect power tools, equipment, wires, hoses and valves.
• Perform quality welding procedures.
• Maintain a clean and organized workplace.
• Follow workplace safety procedures.

Drilling Helper - JCP GEO-EX SERVICES INC. - Acoje, Sta. Cruz, Zambales, Philippines

(2007-03 - 2007-10)

• Assist in dismantling, assembling and setting up drilling rigs and equipment.
• Prepare and mix drilling muds or fluids.
• Monitor fluid levels in mud pits and tanks.
• Perform routine cleaning, greasing and minor repairs on rigs and equipment.
• Assist the drilling crew with daily drilling activities.

Vocational Training - Building Wiring (Electrician) - TESDA BAGUIO (2000-01)