Lucas C. De Jesus

Responsible for all installations of Westlock valves, calibration of pressure transmitters, instrument 4-20mA troubleshooting, and also perform loop tests in Refinery turnarounds.
Inspected equipment to detect electrical and hydraulic leaks and other problems.

Conducted troubleshooting procedures and root cause analysis to determine causes of problems.

Suzano - Jacareí:

Working on the fiber line retrofit at Suzana's factory.
Carrying out tests for the implementation of two Andritz DDWs.

Klabin - Telemaco Borba:

Running tests on a bunch of instruments for the Andritz Drum Displacer Washer system, bleaching, Cooking and what else is needed on the Fiberline;

UPM - Paso de Los Toros:

Performing loop check in several types of instruments including Pressure Transmitter, Level Transmitter, Flow Transmitter using Hart protocol, Trex and Fluke generators.
Continuity test for primary cables and secondary cables.
Responsible for testing of various valves, including ball valves, gate valves, butterfly valves, safety relief valves, etc.

Worked closely with engineers, and other key stakeholders on different infrastructure projects.
Follow all schematics and documented procedures in accordance with all UPM quality control.
Complete all calibration and documentation associated with testing. Identify and resolve problems in a timely manner, gathers and analyzes information skillfully and develops alternative solutions.

Responsible for all installations of skinpoint temperature elements within the furnace, performed loop testing of transmitters during the outage from the unit.
Performing tasks related to maintenance and operations for the Petrobras team in the coke plant.
Performed loop test on temperature equipment for the plant room.
Testing a variety of valve types for furnace systems, such as Westlock atex rotary, nema rotary, ND9000, etc.

As an instrumentation technician, I checked and adjusted damper controls and photoelectric sensors in heating and furnace systems. Removed damaged instruments and repaired components, adjusting knobs, switches, valves, and index arms to control process variables such as pressure, level, temperature, and flow.
Calibrated and bench-tested various types of transmitters, etc.

Work under outsourcing contract for Nexa plant in Aripuanã.

Commissioning of FLSmidth thickeners for copper, zinc, and lead.
Performed maintenance, troubleshooting, upgrading and calibration of pneumatic and electronic instruments. Mesh test, cable pulling, assembly, disassembly, and repair.

Parameterization, calibration and configuration of Endress Hauser process measurement equipment like pressure, Level, Temperature and flow transmitter, pH analyzers, turbidity, guillotine on-off valves, 4~20mA analog valves, inductive speed, flow switch, and pressure switch.

Replacement and testing on multipoint thermocouples to monitor temperature in the reactor and converse for the 1250 unit in Reduc.

Calibration and testing of Smar transmitters.

calibration of several gas analyzers.

Maintenance on rotary and linear valves

Identified issues by testing and troubleshooting instruments, components and assemblies.

As a technician, I calibrated, installed, repaired, and inspected equipment and monitoring devices.

I was responsible for replacing several furnace system thermocouples and valves.
I also performed general maintenance on equipment and assisted in the development of new measurement and recording equipment.

Assistance in restarting of the plant with Petrobras operators.

Proper installation of thermocouples & pressure transducers.

Working on the instruments of the distillation towers and condensers. Adjusting flow switch of pump systems.

Tests on all control valves and configuration of their respective positioners.

Identify the problems, repair and replace faulty components in reactor system.

Replacement of all reactor temperature elements like type k, type J, PT100, loop test of LV/TV/PV/HV valves.
Calibration of pressure, temperature and level transmitters.

Working on the shutdown of the butadiene plant.

Disassembly , assembly, and test valves for this system.

Acting at the ammonia plant with operators and leading tests and calibrations of vessel and tank transmitters.

Performing all tests on Foundation Fieldbus and Hart transmitters for the Hydrotreating process (HDT).

Troubleshooting for Furnace System, H2, High Pressure Separator and Naphtha.

As technician I acted in pumps system, performed valve calibration, performed parameterization of transmitters and etc.

I also performed maintenance on HVAC Damper and

supported the unit restart with Petrobras team.

Maintenance and interface of various westlock intelligent positioners.

Replaced the damaged parts with spares. Assembled the valve body and bonnet flange with the actuator.

Performed hydro test as per pressure rating of the control valve.

Instrumentation technician in the maintenance Shutdown contract of the REGAP - Betim Refinery.
Working at CCF and HDT units, supported the maintenance team in calibration, test loop, commissioning of control instruments process using Hart and Fieldbus protocols.

My role was making decisions, exercising of judgment concerning operations in the following shipbuilding, construction of ship hulls, oil and gas systems, ascertains compliance of skids, offshore fabrication and so on.

Geared towards leading practices for evaluating the quality of materials, equipment and processes. Through this practice, I was able to verify product compliance with reference standards.

During this job I inspected, tested, and repaired electrical, electronic, mechanical, and pneumatic instruments and systems used for display, recording, and control.
I ensured equipment is functioning according to specifications and performed test procedures and loop checks. Investigated problems, troubleshoot and debug equipment. Reading piping and instrumentation diagrams.

Control systems technician for subsea production systems (Manifold, SCM, Christmas Tree), for the oil and gas industry.
Complex assembly, reading/wiring drawings, connecting and testing electronic boards for subsea multiplexed control systems. Perform hydrostatic testing, in-house testing, overpressure testing, and factory acceptance testing (FAT) in compliance with procedures and specific oil and gas standards.

I was responsible for calibrating, troubleshooting, and maintaining gas analyzers, multi-gas detectors, and gas meters. Providing on-site technical support in various Brazilian states. Created AutoCad designs for oxygen systems, equipment, and gas processing plants.

Assembling and testing instrumentation and control devices according Brazilian National Oil (ANP) procedures. Main responsibilities include performing oil/water measuring liquid-in-liquid concentrations by measuring the complex properties of the flow stream using BSW equipment.
Parameterizing and calibration of BS&W analyzers according manufacturer's procedure. Calibration of several kinds of transmitters.