Justin Castillo
Odessa,TX
Summary
Experienced Mud Technician specializing in mud engineering and high-pressure systems. Enhances drilling efficiency through collaboration and mechanical expertise. Leads teams and operates generators to ensure performance and safety in challenging environments.
Overview
10
10
years of professional experience
Work History
Mud Technician
AES
Midland, Texas
10.2025 - Current
- Mixed aphron mud to optimize drilling performance and reduce downtime.
- Injected water-based air-injected mud to maintain well balance and control pressure.
- Monitored chlorides, water hardness, microbial presence, and organic compounds in samples.
- Utilized tank farm, mixing plant, and injection pumps for rig pump operations.
- Assisted in drill outs and clean outs on pulling units as a mud engineer.
- Partnered with major industry companies to enhance drilling operations in the Permian Basin.
- Operated and maintained machinery to support seamless production operations.
- Conducted routine inspections to uphold equipment safety standards and prevent operational disruptions.
Solid control tech
Zeco
Vernal, UT
01.2023 - 01.2024
- Managed solid controls, centrifuges, and water poly package for Zeco operations.
- Operated solids control equipment to support efficient drilling operations.
- Monitored and adjusted performance of solids control systems to maintain optimal operation.
- Performed maintenance and repair of solids control equipment such as shakers, centrifuges, hydrocyclones, pumps, and tanks.
- Conducted routine maintenance on solids control machinery.
- Utilized international centrifuges to separate fresh water from brine and oil-based mud.
- Applied CWP polymer in freshwater sections to enhance performance.
- Monitored fluid levels and adjusted systems regularly.
- Operated CAT and Volvo front-end loaders and backhoes efficiently.
- Loaded trucks for disposal at designated sites. for disposal, documenting each transaction accurately.
- Collaborated with Franklin Mountain Energy to execute projects successfully.
Derrick man
Mc vay drilling
Hobbs, NM
01.2019 - 01.2023
- Mixed drilling mud, sampled and tested for hardness, alkaline content, salt, and other chemical components to ensure optimal drilling conditions.
- Maintaining high psi electric mud pumps, gardner denver equipment.
- Maintaining shaker tables to separate solids from liquids.
- Conducted maintenance on various snail, trash, and centrifugal pumps to ensure operational efficiency.
- Maintaining everything at height. top drive, blocks, board, crown and derrick itself.
- Greasing daily inspections and general maintenance while working at height in a harness.
- Maintaining electrical turbines for rig. 120 220 and 550 volts on caterpillar engines and control boxes.
- Sustained crew productivity and task focus during management absence.
Solid control tech
Texas Solids Control Services, LLC
Plains, TX
01.2019 - 01.2020
- Operated deflocking trailer with 2 standard centrifuges to optimize solids processing.
- Operated solids control equipment for efficient drilling operations.
- Monitored fluid levels and adjusted systems.
- Executed transitions between rail cart networks to facilitate efficient transport. into rail cart network for R360 transport roll-off tie-down boxes, ensuring timely operations.
- Collaborated with Comanche Energy on H&P flex rigs to streamline drilling operations.
Derrick man
Patriot drilling
Carlsbad, New Mexico
01.2016 - 01.2019
- Mixed drilling mud and conducted chemical sampling for hardness, alkaline content, and salt levels.
- Serviced high PSI mechanical clutch mud pumps and Gardner Denver equipment, enhancing overall operational reliability.
- Operated shaker tables, improving solid-liquid separation efficiency during drilling operations.
- Managed various snail, trash, and centrifugal pumps, ensuring uninterrupted drilling operations.
- Performed maintenance tasks at height on blocks, boards, crown, and derrick structures.
- Executed daily greasing inspections and general upkeep while secured in a harness.
- Maintained electrical turbines operating at 120 and 220 volts on Caterpillar engines and control boxes.
- Led crew effectively, ensuring task completion without direct supervision from management.
Education
GED - Carlsbad, New Mexico
Carlsbad High
Carlsbad, New Mexico01.2017
Skills
- Mechanical and electrical knowledge
- Working at height
- Mud engineering expertise
- Generator and turbine operation
- Mud and mixing pump management
- Gearbox maintenance
- High-pressure systems handling
- Flare and igniter operation
- Standard tool proficiency
- Crane operation
- Lockout/tagout procedures
- Natural gas recovery techniques
- Natural gas and diesel generator operation
- Well drilling (water, oil, natural gas)
- Team collaboration and independent work
- Communication skills
- Computer literacy
- Time management
Timeline
Mud Technician
AES
10.2025 - Current
Solid control tech
Zeco
01.2023 - 01.2024
Derrick man
Mc vay drilling
01.2019 - 01.2023
Solid control tech
Texas Solids Control Services, LLC
01.2019 - 01.2020
Derrick man
Patriot drilling
01.2016 - 01.2019
GED - Carlsbad, New Mexico
Carlsbad High