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Leaders in Global Expert Witness Consultancy

Engineering Experts with Engineering Services, L.P. have been involved with major projects all over the globe including the United States,Canada, Mexico, Brazil, Colombia, Argentina, Belgium, Netherlands, Norway, Czech Republic, Spain, Nigeria, Germany, Sweden, Scotland, Italy, Egypt, China and Japan. Engineering Experts that are regularly associated with Engineering Services, LP are listed below. In addition, we have resources to other subject matter experts. Contact Gordon Aaker for assistance with your accident investigation, failure analysis or legal case. A hand-picked team will ensure your success.

Gordon Aaker, Engineering Expert.Mr. Aaker has forty years of extensive experience as a Mechanical / Metallurgical Engineer (PE), specializing in FAILURE ANALYSIS. He is an authority in engineering design, construction codes and manufacturing. Mr. Aaker is the founder and President of Engineering Services L.P., and has provided engineering consulting services throughout the United States as well as numerous European, Scandinavian, African, Asian, and South American Countries. In addition to providing engineering services to law firms and insurance companies, he has provided engineering design and project management support to a multitude of Fortune 100 clients in the Energy, Oil & Gas, Pulp & Paper, Transportation, Pipeline and Equipment Manufacturing industries. Mr. Aaker and the Associates comprising Engineering Services, L.P., provide services as expert witnesses or consultants in many safety related functions. Additionally, each of the Associates while providing legal support, also continue to work within their specialized industries thus maintaining current credentials as professional engineers (PE).​

Twenty-five plus, years experience as a skilled, “hands on,” Oil and Gas Contracts Manager / Procurement Manager, focused on Marine / Subsea construction of production platforms, subsea pipelines, subsea field development, drilling operations, onshore projects, marine LNG loading terminals and petrochemical/refinery facilities. .Proficient in International business and International Trade Terms, plus Department of Defense Contracting – FAR /DFAR / NASFAR /NAVFAR. Intimately familiar with ASME, ASTM, API, & AWS codes & specifications. Developed & nurtured strategic partnerships with key vendors/contractors – Procurement Specialist supporting production planning in a lean manufacturing environment  defining  project scope, goals and deliverables supporting business goals in collaboration with senior management and stakeholders –    International Work Experience: Ponce, Puerto Rico; London, England; Aberdeen, Scotland; Al Dammam, Kingdom of Saudi Arabia; Onne (Port Harcourt,) Rivers State, Nigeria

With almost 40 years experience as a safety regulator, consultant, and engineer, Mr. Elveston has investigated a wide range of worksites from logging operations to major construction to several of the most costly chemical plant/refinery explosions in the world. Major investigations included the ’89 Phillips 66 explosion, the ’90 ARCO explosion, and the ’05 BP explosion. As a safety engineer/compliance officer with OSHA for almost 30 years, Mr. Elveston prepared prima facie cases for over 2500 inspections/investigations. The knowledge and experience gained, not only from the investigations during this period, but also of the regulatory requirements, their application, and their enforcement by the federal agency provided the basis for a second career as a forensic engineer providing expert testimony to law firms pursuing legal actions related to incidents involving federal safety laws and regulations. Following his retirement from OSHA in January of 2007, Mr. Elveston established his engineering firm to provide litigation support to law firms including consultation, on-site investigation, research, report preparation, and testimony at deposition and trial. While his primary area of expertise is petrochemicals and the related regulations, his extensive background has enabled him to perform successfully in the broad range of OSHA’s jurisdiction, including construction, maritime, oil & gas, manufacturing, and general industry.

John Martinez has been the Production Consultant for Production Associates for thirty-six years and previously was associated with Exxon (now ExxonMobil). John has forty seven years experience in oilfield production technology with a specialty in facility revision and artificial lift operations, with extensive expertise in gas lift and nodal analysis. This includes well deliverability, transient pressure testing, downhole equipment evaluation and selection. Surface facility design experience includes multiphase pipelines, separation, metering, compression, dehydration, water treatment and disposal, and pumps.

Leonard Quick is a Tulane University School of Engineering graduate and Registered Professional Engineer in multiple states. He has had a distinguished career as a consulting and forensic engineer. Since 1980, he has practiced engineering, planning, design, analysis, contract management and administration for structures, buildings, foundations, roads, bridges, drainage features and other engineered facilities and components. Furthermore, for over twenty-three years, he has specialized in the field of professional practice of forensic engineering. Recognized as an expert in his field he has been qualified and testified as an expert witness in over 150 cases in numerous courts in multiple states, including state, federal, municipal and county courts. Leornad is a long-standing member of the National Academy of Forensic Engineers (NAFE), National Society of Professional Engineers (NSPE), American Society of Civil Engineers (ASCE), and the Louisiana Engineering Society (LES). He has evaluated and analyzed over eight-thousand property damage claims throughout his career, including catastrophe claims associated with hurricanes, tornados earthquakes, and hail.

40+ Years’ Experience in Fiberglass Composites Engineering, Contributed in Writing ASTM Fabrication Specifications, Fiberglass Composites Expert, Coatings and Linings Expert, Technical Authority (TA) or Subject Matter Expert (SME) for Non-Metallic Materials Coatings and Linings, Non-Metallic Material Corrosion Prevention Expert, Corrosion Under Insulation (CUI) Specialist, Fiberglass Failure Analysis Expert, Director QA/QC, Inspector for New and In-Service Non-Metallic Equipment, TWIC Card.

With over 37 years in the pipeline industry, Mr. Vaughn spent the last 12 years focused on regulatory compliance with both pipeline operating companies and as a regulator. Mr. Vaughn served in various pipeline engineering and corrosion control roles during his 23 years with Shell Oil Company. Specializing primarily in internal auditing and project management, Mr. Vaughn’s contributions were critical to the success of Shell’s compliance programs.
As a DOT Compliance Manager for Kinder Morgan CO2, Mr. Vaughn managed O&M, IMP, and OQ compliance. Acting as a liaison between field staff, various project engineers, and operations staff, Mr. Vaughn’s approach to compliance allowed for operational flexibilities, while ensuring consistency with company compliance objectives. With 10 years experience as pipeline safety regulator for the State of Texas, Mr. Vaughn leads the State’s efforts ensuring proper development and implementation of integrity management programs. Having served on numerous audit and incident investigation teams, industry expert panel discussions, and regulatory development teams, Mr. Vaughn’s efforts and industry partnerships have provided for a safer and more diligently managed set of intrastate pipelines. Mr Vaughn is recipient of the 2014 NAPSR Service Award.

Greg Miller has provided electrical investigation and forensic services for more than 15 years based on his knowledge of electrical power distribution, control systems and safety best practices in project construction, plant engineering and industrial operations. Mr. Miller has been qualified as an electrical expert in numerous cases in the areas of electric shock injury, electrocution, arc flash, industrial machine safeguarding, electrical distribution equipment and products (tools, batteries, and other appliances). He has performed laboratory exemplar testing. He frequently testifies regarding construction safety procedures relating to OSHA, NEC, NESC, NFPA-70E and other safety and design standards. Typical cases have included crane – power line contact, lockout/tagout procedures, conveyor belt injuries and electric shock/electrocution in commercial and industrial environments. Greg also has an extensive background in oil and gas processing.

Tom Ranna, CMRP – Process Safety Management ConsultantTom Ranna has over 30 years of “hands on” experience in Process Safety Management.  He served as senior reliability engineer and then as reliability group lead for ExxonMobil downstream in Baytown Texas through 2016.   Tom led mechanical integrity studies, incident investigations, and annual compliance audits of numerous operations integrity systems.  Tom also developed several of the supporting process safety management systems to ensure best practices were preserved.  He has direct experience with all 14 elements of OSHA Process Safety Management with expertise in:  Mechanical Integrity, Incident Investigations, Management of Change, Compliance Audits, Risk Based Work Selection, and Turnaround Work Scope Reviews.  As Reliability Engineer, he led hundreds of mechanical integrity studies to improve the reliability and safety of all categories of plant equipment (pressure vessels, machinery, electrical, controls, and analytics).  He was also the administrator of the site mechanical integrity management system while with ExxonMobil. Tom’s experience designing and implementing management systems in manufacturing facilities is something few consultants can match. His extensive experience with Exxon Chemical and ExxonMobil provides a wealth of practical know how. He has led diverse operating teams as well as driven technical excellence in engineering organizations.

Bob’s traits enabled the development, acquisition, expansion and profitability of multiple corporations as an Executive Manager, Technical Lead and Board Member. Team Building, Leadership, Risk Mitigation Strategies, Informed Decision-Making Skills and Technical expertise are just a few traits that have ensure Profits.

Bob Sherrill.Bob Sherrill is the Founder and Owner of Blackwater Subsea, LLC. with over forty years of Management experience with Engineering, Manufacturing, Installation and Consulting Companies. He has had Technical Leadership roles in multiple projects exceeding $1 billion in value and has been an Executive Manager of several Manufacturing companies with over $60 million in revenues and inventories up to $26 million. These companies included High Tech Oil and Gas Engineering, Manufacturing, Quality Management and Energy Consulting Companies with international presence in the United States, Europe, South America, West Africa, Australia, and Southeast Asia. He has two decades Management experience in the design and manufacture of BOPs, Valves, Motion Compensation and Multiplex Hydraulic Control System companies. Twenty years of his career has been dedicated to the Management of Consulting Companies supporting Energy Clients with Deep Water, High Pressure, High Temperature (HPHT) Subsea developments from Concept Development, Feasibility, Engineering, Risk Mitigation, Manufacture, Testing, Installation to Commissioning of multiple multi-billion dollar Offshore Facilities.