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Towards The Autonomous LNG Plant

From manual operations to intelligent, coordinated control

Autonomous LNG: Turning Operational Complexity into Competitive Advantage

Autonomous LNG integrates procedural automation, advanced process control, Digital Twins, and AI with OEM and Process Licensor know-how such that Autonomous LNG enables asset operators to increase export capacity, improve efficiency, and reduce unplanned downtime. All this, without major brownfield capital investment. The result is more LNG cargoes and throughput, lower break‑even costs, and more resilient operations in an increasingly competitive and volatile LNG market.

Why Traditional LNG: Operating Models Are No Longer Enough

Together, these pressures expose the limits of traditional, manual LNG operating models and steady-state ADP’s to create the need for a more autonomous approach to operations.

LNG Market Volatility

Greater exposure to spot markets and shorter‑term contracts is increasing financial risk, making consistent uptime, efficiency, and reliability critical to protecting LNG margins and lower LNG spot-cargo break-even price.

Workforce Shift

As experienced operators retire, critical operational knowledge is leaving the plant, increasing reliance on fewer experts and raising the risk of inconsistent, manual decision‑making.

Asset Aging

Many LNG assets were designed for steady‑state operation but are now forced into wider and more frequent transients, exposing hidden inefficiencies and reliability limits in brownfield plants.

Emissions Pressure

Stricter emissions requirements and rising energy scrutiny are increasing the cost of inefficiency, particularly during startups, shutdowns, and other non‑steady‑state operations.

Operational Risk

Manual control during transients and upsets increases variability, equipment stress, and the likelihood of unplanned events - putting safety, availability, and production at risk.

Margin Erosion

Lost capacity, excess fuel‑gas consumption, and unplanned downtime quietly erode profitability, raising LNG break‑even costs and reducing competitiveness in volatile markets.

Moving Toward More Autonomous LNG Operations

Honeywell provides a end-to-end solution that goes beyond conventional automation regimes. By integrating complementary technologies, we give LNG enterprises an improved layer of assurance blanketing safety, operations, financial and compliance performance.

Standardize and Accelerate Critical Operations

Standardizes and automates complex, infrequent procedures such as startups and transitions, reducing variability and speeding ramp-up time to steady state.

Automated startups, shutdowns and mode-transitions

Reduced variability during transients

Operators shift from valve manipulation to KPI supervision

Enablers:

• Experion® PKS (DCS & procedural framework)

• ISA‑106 Procedural Automation implementations with OEM and Licensor know-how

• Experion® Operations Assistant (procedural guidance, execution visibility and AI enhanced predictive assist)

Maximize Throughput with Stable, Optimized Control

Standardizes and automates complex, infrequent procedures such as startups and transitions, reducing variability and speeding time to steady state.

Multivariable predictive control across complex loops

Faster and more consistent interventions than manual control

Stable operation nearer true operating limits

Enablers:

• Experion® PKS (DCS & procedural framework)

• ISA‑106 Procedural Automation implementations

• Experion® Operations Assistant (procedural guidance and execution visibility)

Anticipate Issues and Optimize Before Losses Occur

Enable predictive maintenance, “what if” simulation, and early identification of performance losses before failures occur.

“Shadow mode” simulations for safe decision making

Predictive maintenance for critical rotating equipment

AI assisted operators with guided diagnostics and recommendations

Enablers:

• UniSim® Design & Dynamic Digital Twins

• Honeywell Asset Performance Management (APM)

• AI/ML analytics and predictive maintenance capabilities

Enable Consistent, High‑Quality Decisions Across the Workforce

Provides guided, contextual decision support that captures best operator knowledge, improves safety, and drives consistent performance across control room and field operations.

Context aware guidance for operators and field technicians

Consistent responses to alarms, events, and abnormal situations

Improved safety, execution quality, and cross shift performance

Enablers:

• Experion® Operations Assistant (alarm guidance, recommendations)

• Experion® Field Process Knowledge System (Field PKS)

• Connected operator and field mobility solutions

Continuously adapt, learn, and optimize at scale

As capabilities mature, LNG plants begin to operate as intelligent industrial systems—self learning, adaptive, and continuously improving.

Higher LNG production and utilization from existing assets

More stable, optimized operations enable plants to safely operate closer to true limits, unlocking latent capacity without major capital investment.

Lower unit costs through efficiency and reliability gains

Improved energy efficiency, reduced fuel‑gas losses, and fewer unplanned disruptions combine to lower operating costs and LNG break‑even price.

Greater resilience to workforce and market change

Embedded intelligence reduces reliance on individual expertise, enabling consistent performance across shifts while adapting to volatility in feedstock, demand, and market conditions.

Procedural Automation

Standardize and Accelerate Critical Operations

Standardizes and automates complex, infrequent procedures such as startups and transitions, reducing variability and speeding ramp-up time to steady state.

Automated startups, shutdowns and mode-transitions

Reduced variability during transients

Operators shift from valve manipulation to KPI supervision

Enablers:

• Experion® PKS (DCS & procedural framework)

• ISA‑106 Procedural Automation implementations with OEM and Licensor know-how

• Experion® Operations Assistant (procedural guidance, execution visibility and AI enhanced predictive assist)

Advanced Process Control & Real‑Time Optimization

Maximize Throughput with Stable, Optimized Control

Standardizes and automates complex, infrequent procedures such as startups and transitions, reducing variability and speeding time to steady state.

Multivariable predictive control across complex loops

Faster and more consistent interventions than manual control

Stable operation nearer true operating limits

Enablers:

• Experion® PKS (DCS & procedural framework)

• ISA‑106 Procedural Automation implementations

• Experion® Operations Assistant (procedural guidance and execution visibility)

Digital Twins & AI

Anticipate Issues and Optimize Before Losses Occur

Enable predictive maintenance, “what if” simulation, and early identification of performance losses before failures occur.

“Shadow mode” simulations for safe decision making

Predictive maintenance for critical rotating equipment

AI assisted operators with guided diagnostics and recommendations

Enablers:

• UniSim® Design & Dynamic Digital Twins

• Honeywell Asset Performance Management (APM)

• AI/ML analytics and predictive maintenance capabilities

Operator & Field Assistance

Enable Consistent, High‑Quality Decisions Across the Workforce

Provides guided, contextual decision support that captures best operator knowledge, improves safety, and drives consistent performance across control room and field operations.

Context aware guidance for operators and field technicians

Consistent responses to alarms, events, and abnormal situations

Improved safety, execution quality, and cross shift performance

Enablers:

• Experion® Operations Assistant (alarm guidance, recommendations)

• Experion® Field Process Knowledge System (Field PKS)

• Connected operator and field mobility solutions

Toward the Autonomous LNG Asset

Continuously adapt, learn, and optimize at scale

As capabilities mature, LNG plants begin to operate as intelligent industrial systems—self learning, adaptive, and continuously improving.

Higher LNG production and utilization from existing assets

More stable, optimized operations enable plants to safely operate closer to true limits, unlocking latent capacity without major capital investment.

Lower unit costs through efficiency and reliability gains

Improved energy efficiency, reduced fuel‑gas losses, and fewer unplanned disruptions combine to lower operating costs and LNG break‑even price.

Greater resilience to workforce and market change

Embedded intelligence reduces reliance on individual expertise, enabling consistent performance across shifts while adapting to volatility in feedstock, demand, and market conditions.

Autonomous LNG Operations: A Practical Path to Higher Capacity, Efficiency, and Reliability

The future of LNG is autonomous, and the technology and business case are ready today. Connect with a Honeywell expert to assess your autonomy maturity, identify high‑value improvement opportunities, and define a practical roadmap toward autonomous LNG operations.

PROCESS AUTOMATION

Towards The Autonomous LNG Plant

Talk to an Expert!