Duan Carvalho

Experience

• 

  Schlumberger

  Jan 2012 - Mar 2012

  Well Cementing Intern

  Working as an intern, doing maintenance and repairs on the equipments used on cementing operations, such as Cementing Heads, Subsea Tools, Chicksan Lines, Valves, Batch Mixers and others.

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  Expro

  Oct 2012 - Aug 2017

  Well Testing Operator

  • Conducted surface well testing operations to evaluate well performance, including flow rates, pressure, and fluid composition.• Installed, calibrated, and maintained surface testing equipment such as separators, flow meters, and pressure gauges.• Monitored and recorded well data, ensuring accuracy and compliance with company and regulatory standards.• Performed routine inspections and maintenance on testing equipment to prevent downtime and ensure operational efficiency.• Collaborated with engineers and field personnel to troubleshoot issues and optimize well testing processes.• Adhered to strict safety protocols, including H2S safety measures and environmental regulations.• Maintained accurate records of testing activities and equipment maintenance.• Conducted routine checks on equipment to ensure proper functioning and safety.• Provided support in data collection and reporting for well testing operations.• Followed safety protocols and participated in safety meetings to promote a culture of safety. Show less

• 

  ScanTech Offshore

  Jul 2022 - now

  Field Specialist

  • Operated, maintained, and repaired air compressors, ensuring optimal performance and minimal downtime on-site and client locations.• Installed, inspected, and serviced steam generators, including routine maintenance, troubleshooting, and on-site operation.• Installed, monitored and maintained heat suppression equipment, such as sub-pumps, booster pumps and rig-side hoses and nozzles to ensure optimal heat suppression during well testing operations.• Conducted preventive maintenance on all equipment, reducing unplanned downtime.• Diagnosed and resolved mechanical and electrical issues, improving system reliability and extending equipment lifespan.• Ensured compliance with safety standards, environmental regulations, and company policies.• Performed routine inspections, testing, and calibration of equipment to ensure proper functionality.• Responded to emergency service calls to troubleshoot and resolve equipment failures, minimizing operational disruptions.• Trained clients on equipment operation and maintenance best practices.• Maintained detailed service reports and documentation for all maintenance and on-site operations.• Experienced on remote location operations and maintenance, such as Namibia, Angola, Ivory Coast, Colombia and UK. Show less