Doug Lehr

About Doug Lehr

Doug is an engineering consultant with extensive experience in downhole tools, completion and intervention, litigation support, and failure analysis. He provides completion and intervention design, litigation support, custom product design, and failure analysis services.Doug has a growing list of litigation engagements in the areas of oilfield tool failure analysis and patent infringement. These engagements involve completion, frac’ing, cementing, and surface tools. Decades of experience developing downhole tools has given him unique qualifications which enable him to be highly effective in litigation support.Doug’s design experience includes:• over 80 sizes and types of composite plugs and composite cement retainers• 40 sizes and types of retrievable service packers and accessories• HPHT packers, bridge plugs, running tools, setting tools, and power charges• coiled tubing tools • cementing tools• deepwater tools• plug and abandonment systemsHis career achievements and industry recognition include:• Being an inventor on 29 U.S. Patents• Extensive experience testing with liquids and gases up to 750 ºF, psi, and 2 million lbs.• Over lab tests on composite plugs, packers, coiled tubing tools, power charges, and setting tools.• Extensive experience in design, applications, materials, and manufacturing, including metallic and nonmetallic materials, nonmetallic seals, composite materials, and their manufacturing processes• Extensive reliability experience - over 50 FMEAs completed ~$80 million cost savings.• A Hart’s E&P Meritorious Engineering Award • A World Oil Award winner• An SPE Distinguished Lecturer, 20••••13• Journal of Petroleum Engineering (JPT) Completions Editor for 6 years• A syndicated author of over fifty publications• Expert experience with various API product standardsDoug\'s resume, failure analysis projects, and litigation case history are available upon request.

Experience

1. Founder and Principal

   Integris Technology Services Llc

   Apr 2020 — Present · The Woodlands, TX, US

   Integris Technology Services offers the following consulting services: Litigation Consultant - Patent infringement - Personal InjuryProduct and System development - Holistic approach using competencies in design, materials, manufacturing, laboratory testing, industry standards, applications, operations practices, and Design for Reliability.Failure Analysis - Holistic analysis covering design, materials, manufacturing/service history, and application. Includes Root Causes Analysis.Design Assurance - Fit-for-purpose analysis of a product’s design, materials, calculations, testing, and related aspects- ASME Section 8 Div. 2 and 3 practices

Education

• University of Houston

  Masters in Business Administration, Finanace & Marketing

• The University of Texas at Austin

  Bacherlors of Science, Mechanical Engineering

Skills

• Natural Gas
• Oilfield
• Pumps
• Hydraulics
• Cement
• Pipelines
• Manufacturing
• Management
• Drilling Engineering
• Oil
• Energy Industry
• Energy
• Offshore Drilling
• Reservoir Engineering
• Formation Evaluation
• Pressure
• Project Planning
• Completions
• Engineering
• Onshore
• Tubing
• Gas
• Offshore
• Drilling
• Petroleum
• Project Management
• Upstream
• Project Engineering
• Fluids
• Completion
• Stimulation
• Subsea Engineering
• Supervisory Skills
• Oil & Gas
• Oil/Gas
• Oil & Gas Industry
• Resource Management