+$10M
Annual margin improvement through better loss control and operational routines
Co-creating the Industrial Future with Lean in a Refinery for a Leading Global Oil Company
A major refinery in the Americas struggled to embed sustainable lean practices across its operations. EFESO partnered to implement a tailored lean transformation, delivering measurable financial gains, operational improvements, and a culture of continuous improvement, positioning the refinery as a benchmark for global best practices.
Oil & Gas, Sustainable Energy
Manufacturing
Operational Excellence
Our Client
A large-scale refinery in the southern United States, employing hundreds of staff and producing refined products for domestic and international markets. The site is one of the largest in the Americas and contributes significantly to overall company output.
“EFESO has been a great support to our refinery, thanks to their professionalism and deep understanding of our facilities. EFESO helped us deploy lean efficiently, and the benefits were tangible very quickly.
“
The Challenge
Despite its strategic importance, the refinery had struggled to embed lean principles:
- Inconsistent implementation: Previous lean initiatives failed to generate sustainable results
- Cultural resistance: Employees and leaders had not fully adopted lean thinking
- Disconnect between strategy and execution: Daily loss control, waste reduction, and continuous improvement routines were insufficiently linked to strategic goals
- Operational inefficiencies: Lost production time and unplanned downtime affected performance
Leadership sought external support to reinvigorate lean practices and drive both operational and cultural transformation.
Real Results Achieved Together
EFESO’s lean transformation delivered measurable operational, financial, and cultural improvements across the refinery.
+$20M
Avoided lost time through reduced unplanned shutdowns
25%
Reduction in out-of-standard events and daily production losses in pilot areas within six months
Transformation Impact
- Standardized data-driven daily management routines for faster root-cause analysis and corrective action
- Engaged over 200 managers and operators in lean training, launching 100+ continuous improvement projects
- Scaled Lean Visual Production Based Reliability system across all major units and sister plants
- Created an internal pipeline of lean champions, embedding sustainable routines and reducing external consultant reliance
- Recognized as a flagship example for lean success within the global organization
Our Approach
EFESO’s methodology combined diagnostics, tailored pilots, coaching, and scaling:
- Comprehensive Assessment and Process Mapping: Site-wide diagnostics using data analytics and Gemba walks identified inefficiencies and blind spots. Interviews with engineers, operators, and supervisors surfaced untapped improvement potential.
- Tailored Pilots in High-Impact Areas: Pilot units with high downtime or openness to change implemented daily performance meetings, visual management boards, and real-time problem-solving. Early wins included reduced rework, standardized handovers, and improved schedule adherence.
- Interactive Training and On-the-Job Coaching: Over 100 employees participated in lean bootcamps, learning 8 Forms of Waste, Smooth Flow, Standard Work, 5S, Visual Management, Push vs Pull, WIP control, and Lean Leadership best practices. Coaching continued during daily routines.
- Scaling and Institutionalization: Successful pilot routines were rapidly scaled across departments. Leadership implemented daily visual management systems, leader walks, and KPIs for continuous improvement.
- Cultural Change and Engagement: Early recognition of contributions and visible leadership participation overcame skepticism. Pulse surveys captured frontline ideas, and champions received coaching to sustain routines.
- Sustaining Momentum: Transitioned from consultant-driven to self-sustaining model via internal trainers, CI playbooks, and digital knowledge repositories.
Leadership commitment, tangible early results, tailored approach to site culture, and establishing a self-sustaining improvement community.
Related Services
Aging equipment meets rising costs and technology disruption. We transform operations through smart factory integration, predictive maintenance, and workforce capability building.
Facing Challenges Embedding Lean at Industrial Scale?
- Seeking to link strategic goals with frontline execution
- Looking to reduce waste, lost production, and operational inefficiencies
- Wanting to embed a sustainable culture of continuous improvement across sites
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