Intellex Acquires Expert by Big Village

We're thrilled to announce that Intellex has acquired Expert by Big Village, effective March 22, 2024. This strategic move enhances our capabilities and strengthens our commitment to delivering exceptional solutions to our customers.

Stay tuned for more updates on how this acquisition will benefit our clients and experts.

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Expert Details

Material Science and Metallurgy

ID: 737115 Arizona, USA

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Expert's failure investigations have encompassed a wide range of oilfield products including, but not limited to, wellhead and Christmas tree equipment, rock bits, OCTG, motors, packers, and downhole tools. Failure investigations have included but not been limited to the preparation of protocols, on-site examination of evidence; documentation, gathering, and reconstruction of samples for laboratory study; direction of laboratory testing for dimensional, chemical, mechanical, and microstructural characteristics of the failed components; determination of the failure origin and mechanism; preparation of a report explaining the cause of failure and relationship of component characteristics and operating conditions to the failure.

Expert's heat treating experience includes managing heat treating facilities, including batch and continuous heat treating line, direct quench atmosphere furnace, vacuum furnace, induction hardening, nitriding and carburizing equipment. Activities have included, but are not limited to, commercial heat treating, development of heat treating procedures, rework of non-conforming material, furnace surveys, qualification and procurement of new equipment, and process verification testing.

His experience in selecting materials for various applications based on design specifications, customer requirements, and industry standards. Activities have included, but are not limited to, review of customer RFQ’s and other documents, first article testing, vendor audits, and competitive analysis. Factors evaluated include, but are not limited to, mechanical properties, hardenability, weldability, corrosion resistance, machinability, and cost.

Expert's experience in lab and field evaluation of various forms of corrosion including, but not limited to, sulfide stress cracking, stress corrosion cracking, sweet (CO2) corrosion, galvanic corrosion, corrosion fatigue, high temperature corrosion, and microbiologically induced corrosion.

Expert's welding experience includes, but is not limited to, development and qualification of welding and brazing procedures, review of welding procedures versus customer requirements, qualification of welders, evaluation of filler materials, evaluation and procurement of welding equipment, metallurgical examination of welds, and analysis of failed welds. Experience with various welding processes including, but not limited to, SMAW, ESW, OFW, GMAW, GTAW, SAW, friction welding, and laser. Particular expertise in CRA cladding of oilfield equipment, hardfacing, and brazing of carbide materials.

Expert's training experience includes, but is not limited to, development of training courses in metallurgy, welding, heat treatment, failure analysis and other topics. Explained metallurgical concepts in an understandable manner to students with non-metallurgical backgrounds.


Year Degree Subject Institution
Year: 1978 Degree: Materials Science and Metallurgy Subject: Metallurgy Institution: University of Alabama at Birmingham
Year: 1980 Degree: Masters in Mettalurgy Subject: High Temperature Properties Institution: University of Tennessee
Year: 2005 Degree: Metallurgical Engineering Subject: Post Graduate Work Institution: University of Houston

Work History

Years Employer Title Department
Years: 2021 to Present Employer: Undisclosed Title: President Department:
Provide metallurgical consulting services in oilfield metallurgy, heat treating, failure analysis, material selection, testing, witnessing, and more.
Years Employer Title Department
Years: 2020 to 2021 Employer: Wellbore Integrity Solutions Title: Senior Materials and Welding Engineer Department: Materials and Welding Engineer
Directed welding engineering for manufacturer of directional drilling equipment. Provided metallurgical technical support to manufacturing, engineering, and field locations.
Years Employer Title Department
Years: 2018 to 2019 Employer: National Heat Treat Title: GM Department: Heat Treat Facility
Managed commercial heat treating facility. Oversaw all aspects of operation including daily production, sales, payroll, QHSE, customer relations, and other duties.
Years Employer Title Department
Years: 2015 to 2018 Employer: Villares Metals Title: Technical Sales Manager Department: Sales
Represented Brazilian specialty alloys producer. Provided sales and service to customers in North America. Worked with mill personnel to find product solutions to meet customer needs, address quality concerns, and expedite customs and logistics matters. Directed failure investigations involving customer complaints. Involved with professional societies including ASM, NACE, AWS, API, and others to ensure that products and services meet applicable requirements. Developed testing protocols to comply with customer requirements.
Years Employer Title Department
Years: 2014 to 2015 Employer: Baker Hughes Title: Team Lead Department: Metallurgy
Managed metallurgy group for oilfield services company. Directed activities of group including material selection for downhole completion and intervention equipment, failure analysis, welding procedure qualification, corrosion testing, specification development, heat treatment, and vendor qualification. Developed and taught metallurgical training courses.
Years Employer Title Department
Years: 2013 to 2014 Employer: Element Title: Senior Failure Analyst Department: Metallurgy
Performed failure analysis of oil and gas equipment and other products. Provided metallurgical consulting to drilling and manufacturing companies.
Years Employer Title Department
Years: 2002 to 2013 Employer: National Oilwell Varco Title: Chief Metallurgist Department: Metallurgy
Provided metallurgical support to engineering, manufacturing, and sales groups. Managed failure analysis team. Worked with supply chain to qualify vendors, perform first article analyses on new products, resolve non-conformances, and develop new materials. Worked on R&D projects to develop materials strategies to improve product performance.
Years Employer Title Department
Years: 1996 to 2002 Employer: Cameron Title: Senior Metallurgist Department: Metallurgy
Developed material specifications, welding procedures and processing require-ments for various applications including extremely corrosive environments, low temperature service, and high pressure equipment. Performed failure investigations on a variety of oilfield products. Developed and taught training courses on heat treatment, metallurgy, and other topics.
Years Employer Title Department
Years: 1991 to 1996 Employer: Ingram Cactus Title: Chief Metallurgist Department: Metallurgy
Provided metallurgical support to oilfield equipment manufacturer. Developed and qualified specifications including welding, heat treatment, nitriding, and other processes. Wrote material specifications for carbon and alloy steels, stainless steels, corrosion-resistant alloys, and elastomers. Directed material selection for various projects. Conducted failure analysis on valves, wellheads, and other oilfield products.
Years Employer Title Department
Years: 1990 to 1991 Employer: ReedHycalog Title: Materials Engineering Manager Department: Materials
Managed in-house metallurgical and chemical laboratories with a staff of 14 engineers and technicians. Performed failure analysis on a variety of oilfield equipment. Directed projects to expand manufacturing capabilities including installation of gas carburization equipment. Developed new material and processing specifications.
Years Employer Title Department
Years: 1988 to 1990 Employer: Chance Collar Co. Title: Chief Metallurgist Department: Heat Treat Facility
Managed heat treat facility with responsibility for a dual continuous furnace line, metallurgical laboratory, and a staff of over 20 individuals. Conducted failure analysis on OCTG products and directed various materials-related development projects.
Years Employer Title Department
Years: 1987 to 1988 Employer: TVA Nuclear Title: QA Engineer Department: Quality Assurance
Supervised failure investigations at four nuclear power facilities.
Years Employer Title Department
Years: 1982 to 1986 Employer: McEvoy-Willis Title: Metallurgical Engineer Department: Metallurgical Lab
Provided metallurgical expertise to oilfield valve and wellhead manufacturer. Managed in-house metallurgical laboratory. Played major role in the develop-ment of one of the first HIP clad oilfield valves. Conducted failure analysis on valves and wellhead equipment.
Years Employer Title Department
Years: 1980 to 1982 Employer: CBI Title: Welding Engineer Department: R&D
Worked in R&D department. Developed new welding procedures.

Career Accomplishments

Associations / Societies
ASM International
Active member of Houston Chapter. Served as chapter chairman 2012-2013. Official instructor. Member since 1976.
American Welding Society
Recognized as Life member. Member since 1976.
National Association of
Corrosion Engineers
Served on STG Committee - Metallurgy in Oil & Gas Production. Member since 1982.
Licenses / Certifications
Tau Beta Pi – National Engineering Honor Society.
Omicron Delta Kappa – National Leadership Honor Society.
Alpha Lambda Delta – National Honor Society for First-Year Students.
Publications and Patents Summary
Publications: 6
Presentations: 3

Fields of Expertise

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