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Variance Reduction International (VRI)

Lean Six Sigma for Oil & Gas

“If you are an Oil and Gas Production Company and you have not begun to eliminate non-value-added costs out of your operation, you’re standing on a burning platform.”   ~ Anonymous

Let us help you transform your business

We have the longest-standing experience deploying Lean Six Sigma in the upstream oil industry.

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The Use of Lean Six Sigma in the Oil & Gas Industry

Rising costs, complexity and risks combine to make efficiency and operations more important than ever. The new reality with the declining price of the barrel is that the oil and gas market is forcing companies to focus on cash flow optimization and cost cutting. Improved business results can be achieved by managing quality data statistically through sound engineering principles.

Variance Reduction International, Inc. (VRI) is currently providing a competitive advantages to many global oil and gas operations through the deployment of Lean Six Sigma (LSS). The LSS methodology and tools make processes Safer, Better, Faster, and Lower Cost. 

VRI encompasses the longest standing relationship deploying LSS in the upstream oil industry. 

Since 1999, providing services for Chevron, Texaco, Aera Energy, BakerPetroilite and Halliburton. Proven results in upstream oil companies have produced many completed LSS projects, demonstrating an average of $2.3 million in return on investment (ROI).


We are transforming the way companies are operating, making decisions and how they practice process excellence.

Process Excellence

Process & Operational Excellence creates value through systematic and repeatable actions that are clear for everyone in the company. 

Business Strategy

Our program(s) are designed to be an integrated set of actions an organization can take to create competitive advantage.

Exceptional Value. Consistent Results.

Combining Lean tools with Six Sigma

Six Sigma companies embrace the fundamentals of statistical thinking: all outcomes are produced through a series of interconnected processes and all processes vary. 

Six Sigma

The key to success is to understand and reduce variance. Six Sigma teaches people to look at variance, not just averages. Through a structured roadmap, Define, Measure, Analyze, Improve, and Control (DMAIC), profound process knowledge can be achieved, and focused improvements can be made. 


Lean is a process improvement methodology that focuses on removing non-value added activities at the pull of customer requirements. Value stream mapping points to non-value added steps and allows for streamlining processes. Cycle times go down, costs go down. More can be done with less. Simply put, Lean simplifies the process where Six Sigma perfects the process.

Benefits of Lean Six Sigma

Lean Six Sigma adaptations from other industries have been proven to synergistically combine, improving business results in oilfield operations. Financial benefits are delivered through our training courses and mentoring for project deployment. When course objectives are followed to fruition, they can provide a broadly embedded quality and statistical thinking through routine engineering and non-engineering problem solving, process simplification, process improvement and optimization ultimately leading to process perfecting.

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