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// Configuration object for centralized settings
const TabbedNavConfig = {
  DESKTOP_BREAKPOINT: 1201,
  DEBOUNCE_DELAY: 250,
  OPEN_FIRST_TAB: true,
  CLOSE_TAB_ON_MOUSEOUT: false
};

// Custom config for tabbed hero containers
const tabbedHeroConfig = {
  ...TabbedNavConfig,
  OPEN_FIRST_TAB: false,
  CLOSE_TAB_ON_MOUSEOUT: true
};

// Function to determine the appropriate config based on container context
function getConfigForContainer(container) {
  // Check if container has closest ancestor with [data-tabbed-hero="true"]
  const heroAncestor = container.getAttribute('data-tabbed-hero') === 'true'   ? container : container.closest('[data-tabbed-dropdown="true"]');
  
  if (heroAncestor) {
    return tabbedHeroConfig;
  }
  
  // Check for specific data-instance attributes (if you still want to support them)
  // const instance = container.getAttribute('data-instance');
  // if (instance === 'two') {
  //   // You can still have specific instance configs if needed
  //   return {
  //     ...TabbedNavConfig,
  //     OPEN_FIRST_TAB: false,
  //     CLOSE_TAB_ON_MOUSEOUT: true
  //   };
  // }
  
  // Default config
  return TabbedNavConfig;
}

class TabbedNavigation {
  constructor(container, config = TabbedNavConfig) {
    this.container = container;
    this.config = config;
    this.activeItem = null;
    this.isDesktop = window.innerWidth >= this.config.DESKTOP_BREAKPOINT;
    this.hasMouseListeners = false;
    this.megamenuParent = null;
    this.megamenuObserver = null;
    
    // Initialize bound handlers - these will be reused across reinitializations
    this.mouseEnterHandler = this.handleMouseEnter.bind(this);
    this.mouseLeaveHandler = this.handleMouseLeave.bind(this);
    this.resizeHandler = this.debounce(this.handleResize.bind(this), this.config.DEBOUNCE_DELAY);
    this.handleMegamenuToggle = this.handleMegamenuToggle.bind(this);
    
    this.init();
  }

  init() {
    // Cache DOM elements fresh each time
    this.navItems = [...this.container.querySelectorAll('.dwc-tabbed-nav-list__li')];
    this.elementsCache = new Map();
    
    this.cacheElements();
    this.setupAccessibility();
    this.setupMegamenuObserver();
    this.bindEvents();

    // Set initial state
    this.updateLayout();
    this.setBackText()

    // Show first item on page load only if desktop, not nested, and OPEN_FIRST_TAB is true
    if (this.navItems.length > 0 && this.isDesktop && this.config.OPEN_FIRST_TAB) {
      setTimeout(() => {
        const firstItem = this.navItems[0];

        // Count how many .dwc-tabbed-nav-container ancestors this.container has
        let count = 0;
        let current = this.container.parentElement;
        while (current) {
          if (current.classList?.contains('dwc-tabbed-nav-container')) {
            count++;
          }
          current = current.parentElement;
        }

        const isNested = count >= 1;

        if (!isNested && this.elementsCache.has(firstItem)) {
          this.showTab(firstItem);
        }
      }, 0);
    }
  }

  // Setup observer for megamenu parent
  setupMegamenuObserver() {
    // Find the .brx-has-megamenu parent
    this.megamenuParent = this.container.closest('.brx-has-megamenu');
    
    if (this.megamenuParent) {
      // Set initial inert state
      this.updateInertState();
      
      // Create a MutationObserver to watch for class changes
      this.megamenuObserver = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
          if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
            this.updateInertState();
          }
        });
      });
      
      // Start observing the megamenu parent for class changes
      this.megamenuObserver.observe(this.megamenuParent, {
        attributes: true,
        attributeFilter: ['class']
      });
    }
  }

  // Update inert state based on megamenu open/closed state
  updateInertState() {
    if (!this.megamenuParent) return;
    
    const isOpen = this.megamenuParent.classList.contains('open');
    
    if (isOpen) {
      this.container.removeAttribute('inert');
    } else {
      this.container.setAttribute('inert', '');
    }
  }

  // Handle megamenu toggle (for manual triggering if needed)
  handleMegamenuToggle() {
    this.updateInertState();
  }

  // Method to clean up event listeners and reset state
  cleanup() {
    // Remove all event listeners
    this.container.removeEventListener('click', this.handleClick);
    this.container.removeEventListener('keydown', this.handleKeydown);
    this.container.removeEventListener('focus', this.handleFocus);
    
    // Remove mouse listeners if they exist
    if (this.hasMouseListeners) {
      this.container.removeEventListener('mouseenter', this.mouseEnterHandler, true);
      this.container.removeEventListener('mouseleave', this.mouseLeaveHandler, true);
    }
    
    // Remove resize listener
    window.removeEventListener('resize', this.resizeHandler);
    
    // Clean up megamenu observer
    if (this.megamenuObserver) {
      this.megamenuObserver.disconnect();
      this.megamenuObserver = null;
    }
    
    // Reset state
    this.activeItem = null;
    this.hasMouseListeners = false;
    this.megamenuParent = null;
    
    // Clear caches
    if (this.elementsCache) {
      this.elementsCache.clear();
    }
    this.navItems = [];
    
    // Reset all tab states and accessibility attributes
    const allNavItems = this.container.querySelectorAll('.dwc-tabbed-nav-list__li');
    allNavItems.forEach(item => {
      const button = item.querySelector('.dwc-tabbed-nav-list__li__button') || 
                    item.querySelector('.dwc-tabbed-nav-list__li__btn-txt');
      const content = item.querySelector('.dwc-tabbed-nav-list__li__content');
      
      // Remove classes
      item.classList.remove('active');
      
      // Reset button attributes
      if (button) {
        button.removeAttribute('role');
        button.removeAttribute('aria-controls');
        button.removeAttribute('aria-expanded');
        button.removeAttribute('aria-selected');
        button.removeAttribute('tabindex');
        button.removeAttribute('id');
      }
      
      // Reset content attributes
      if (content) {
        content.removeAttribute('role');
        content.removeAttribute('aria-labelledby');
        content.removeAttribute('id');
        content.removeAttribute('aria-hidden');
        content.style.maxHeight = '';
      }
      
      // Remove data attributes
      item.removeAttribute('data-tab-index');
    });
    
    // Reset nav list role
    const navList = this.container.querySelector('.dwc-tabbed-nav-list');
    if (navList) {
      navList.removeAttribute('role');
    }
    
    // Remove inert attribute
    this.container.removeAttribute('inert');
  }

  // Public method to reinitialize the navigation
  reinitialize() {
    this.cleanup();
    this.isDesktop = window.innerWidth >= this.config.DESKTOP_BREAKPOINT; // Use config breakpoint
    this.init();
  }

  // Cache DOM elements to avoid repeated queries
  cacheElements() {
    const uniqueIdBase = `tab-${Date.now()}`;
    
    this.navItems.forEach((item, index) => {
      const button = item.querySelector('.dwc-tabbed-nav-list__li__button') || 
                    item.querySelector('.dwc-tabbed-nav-list__li__btn-txt');
      const content = item.querySelector('.dwc-tabbed-nav-list__li__content');
      
      this.elementsCache.set(item, {
        button,
        content,
        uniqueId: `${uniqueIdBase}-${index}`,
        index
      });
    });
  }

  setupAccessibility() {
    const navList = this.container.querySelector('.dwc-tabbed-nav-list');
    if (!navList) return;
    
    navList.setAttribute('role', 'tablist');
    
    for (const [item, cache] of this.elementsCache) {
      const { button, content, uniqueId, index } = cache;
      
      if (button) {
        button.setAttribute('role', 'tab');
        button.setAttribute('aria-controls', `${uniqueId}-panel`);
        button.setAttribute('aria-expanded', 'false');
        button.setAttribute('aria-selected', 'false');
        button.setAttribute('tabindex', '0');
        button.setAttribute('id', `${uniqueId}-tab`);
      }
      
      if (content) {
        content.setAttribute('role', 'tabpanel');
        content.setAttribute('aria-labelledby', `${uniqueId}-tab`);
        content.setAttribute('id', `${uniqueId}-panel`);
        content.setAttribute('aria-hidden', 'true');
      }
      
      item.setAttribute('data-tab-index', index);
    }
  }

  bindEvents() {
    // Store bound handlers for cleanup
    this.handleClick = this.handleClick.bind(this);
    this.handleKeydown = this.handleKeydown.bind(this);
    this.handleFocus = this.handleFocus.bind(this);
    
    // Single event delegation for better performance
    this.container.addEventListener('click', this.handleClick);
    this.container.addEventListener('keydown', this.handleKeydown);
    this.container.addEventListener('focus', this.handleFocus, true);
    
    // Passive resize listener for better performance
    window.addEventListener('resize', this.resizeHandler, { passive: true });
    
    this.updateMouseListeners();
  }

  updateMouseListeners() {
    if (this.isDesktop && !this.hasMouseListeners) {
      this.container.addEventListener('mouseenter', this.mouseEnterHandler, true);
      this.container.addEventListener('mouseleave', this.mouseLeaveHandler, true);
      this.hasMouseListeners = true;
    } else if (!this.isDesktop && this.hasMouseListeners) {
      this.container.removeEventListener('mouseenter', this.mouseEnterHandler, true);
      this.container.removeEventListener('mouseleave', this.mouseLeaveHandler, true);
      this.hasMouseListeners = false;
    }
  }

  // Helper method to get sibling nav items (nav items in the same container level)
  getSiblingNavItems(navItem) {
    // Find the direct parent container of this nav item
    const navItemContainer = navItem.closest('.dwc-tabbed-nav-list');
    if (!navItemContainer) return [];
    
    // Get all nav items that are direct children of the same container
    const siblingItems = [...navItemContainer.querySelectorAll('.dwc-tabbed-nav-list__li')];
    
    // Filter to only include items that are siblings (not the navItem itself)
    // and check if they belong to any TabbedNavigation instance
    return siblingItems.filter(item => item !== navItem);
  }

  handleFocus(e) {
    if (!this.isDesktop) return;

    const button = e.target.closest('[role="tab"]');
    if (!button) return;
    
    const navItem = button.closest('.dwc-tabbed-nav-list__li');
    if (!navItem || !this.elementsCache.has(navItem)) return;
    
    this.handleTabInteraction(navItem, 'focus');
  }

  handleClick(e) {
    const navItem = e.target.closest('.dwc-tabbed-nav-list__li');
    if (!navItem || !this.elementsCache.has(navItem)) return;
    
    const button = e.target.closest('.dwc-tabbed-nav-list__li__button, .dwc-tabbed-nav-list__li__btn-txt');
    if (!button) return;
    
    e.preventDefault();
    this.handleTabInteraction(navItem, 'click');
  }

  handleKeydown(e) {
    const button = e.target.closest('[role="tab"]');
    if (!button) return;
    
    const navItem = button.closest('.dwc-tabbed-nav-list__li');
    if (!navItem || !this.elementsCache.has(navItem)) return;
    
    const { index: currentIndex } = this.elementsCache.get(navItem);
    
    switch (e.key) {
      case 'Enter':
      case ' ':
        e.preventDefault();
        this.handleTabInteraction(navItem, 'keyboard');
        break;
      case 'ArrowRight':
      case 'ArrowDown':
        e.preventDefault();
        this.focusNextTab(currentIndex);
        break;
      case 'ArrowLeft':
      case 'ArrowUp':
        e.preventDefault();
        this.focusPrevTab(currentIndex);
        break;
      case 'Home':
        e.preventDefault();
        this.focusTab(0);
        break;
      case 'End':
        e.preventDefault();
        this.focusTab(this.navItems.length - 1);
        break;
    }
  }
  
  handleMouseEnter(e) {
    if (!this.isDesktop) return;
    
    const navItem = e.target.closest('.dwc-tabbed-nav-list__li') || 
                   (e.target.matches('.dwc-tabbed-nav-list__li') ? e.target : null);
    if (!navItem || !this.elementsCache.has(navItem)) return;
    
    this.handleTabInteraction(navItem, 'hover');
  }

  handleMouseLeave(e) {
    if (!this.isDesktop) return;
    
    // Only close tabs if CLOSE_TAB_ON_MOUSEOUT is enabled
    if (this.config.CLOSE_TAB_ON_MOUSEOUT) {
      // Check if mouse is leaving the entire container
      const rect = this.container.getBoundingClientRect();
      const { clientX, clientY } = e;
      
      // Check if mouse position is outside the container bounds
      const isOutsideContainer = (
        clientX < rect.left || 
        clientX > rect.right || 
        clientY < rect.top || 
        clientY > rect.bottom
      );
      
      if (isOutsideContainer) {
        this.hideAllTabs();
      }
    }
    // If CLOSE_TAB_ON_MOUSEOUT is false, keep content visible (original behavior)
  }

  // Unified method to handle all tab interactions with nesting support
  handleTabInteraction(navItem, interactionType) {
    if (!this.elementsCache.has(navItem)) return;
    
    if (this.isDesktop) {
      // Simply hide siblings and show the target - works for all scenarios
      this.hideSiblingTabs(navItem);
      this.showTab(navItem);
    } else {
      // Mobile accordion behavior
      if (interactionType === 'click' || interactionType === 'keyboard') {
        this.toggleTabMobile(navItem);
      }
    }
  }

  // Hide only sibling tabs (same container level)
  hideSiblingTabs(navItem) {
   // console.log('Nav Item: ', navItem)
    const siblings = this.getSiblingNavItems(navItem);
    
    siblings.forEach(sibling => {
      
         //console.log('sibling: ', sibling)
      // Only hide siblings that have the active class to avoid affecting other instances
      if (sibling.classList.contains('active')) {
        this.hideSiblingTab(sibling);
      }
    });
  }

  // Hide a sibling tab (used when we know it's a sibling from another instance)
  hideSiblingTab(navItem) {
    const button = navItem.querySelector('.dwc-tabbed-nav-list__li__button') || 
                  navItem.querySelector('.dwc-tabbed-nav-list__li__btn-txt');
    const content = navItem.querySelector('.dwc-tabbed-nav-list__li__content');
    
    if (content && button) {
      content.setAttribute('aria-hidden', 'true');
      button.setAttribute('aria-expanded', 'false');
      button.setAttribute('aria-selected', 'false');
      navItem.classList.remove('active');
      
      // Also handle mobile accordion collapse
      if (!this.isDesktop) {
        content.style.maxHeight = '0';
      }
    }
  }

  // Mobile-specific toggle behavior with proper nesting support
  toggleTabMobile(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    const isActive = navItem.classList.contains('active');
    
    if (isActive) {
      this.collapseTab(navItem);
    } else {
      // Close sibling tabs and open this one
      this.hideSiblingTabs(navItem);
      this.expandTab(navItem);
    }
  }

  toggleTab(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    if (this.isDesktop) {
      this.handleTabInteraction(navItem, 'click');
    } else {
      this.toggleTabMobile(navItem);
    }
  }

  showTab(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    const { button, content } = this.elementsCache.get(navItem);
    
    if (content && button) {
      content.setAttribute('aria-hidden', 'false');
      button.setAttribute('aria-expanded', 'true');
      button.setAttribute('aria-selected', 'true');
      navItem.classList.add('active');
    }
    
    this.setActiveTab(navItem);
  }

  hideTab(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    const { button, content } = this.elementsCache.get(navItem);
    
    if (content && button) {
      content.setAttribute('aria-hidden', 'true');
      button.setAttribute('aria-expanded', 'false');
      button.setAttribute('aria-selected', 'false');
      navItem.classList.remove('active');
    }
    
    // Only clear activeItem if it belongs to THIS navigation instance
    // and it's the exact item being hidden
    if (this.activeItem === navItem && this.navItems.includes(navItem)) {
      this.activeItem = null;
    }
  }

  expandTab(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    // Close sibling tabs
    this.hideSiblingTabs(navItem);
    
    this.showTab(navItem);
    
    // Smooth height animation
    const { content } = this.elementsCache.get(navItem);
    if (content) {
      const height = content.scrollHeight;
      content.style.maxHeight = `${height}px`;
    }
  }

  collapseTab(navItem) {
    if (!this.elementsCache.has(navItem)) return;
    
    this.hideTab(navItem);
    
    const { content } = this.elementsCache.get(navItem);
    if (content) {
      content.style.maxHeight = '0';
    }
  }

  hideAllTabs() {
    this.navItems.forEach(item => this.hideTab(item));
  }

  setActiveTab(navItem) {
    // Only update aria-selected for tabs in THIS navigation instance
    this.navItems.forEach(item => {
      const cache = this.elementsCache.get(item);
      if (cache?.button) {
        cache.button.setAttribute('aria-selected', item === navItem ? 'true' : 'false');
      }
    });
    
    // Only set activeItem if this navItem belongs to THIS navigation instance
    if (this.navItems.includes(navItem)) {
      this.activeItem = navItem;
    }
  }

  focusTab(index) {
    if (index >= 0 && index < this.navItems.length) {
      const cache = this.elementsCache.get(this.navItems[index]);
      if (cache?.button) {
        cache.button.focus();
      }
    }
  }

  focusNextTab(currentIndex) {
    const nextIndex = (currentIndex + 1) % this.navItems.length;
    this.focusTab(nextIndex);
  }

  focusPrevTab(currentIndex) {
    const prevIndex = currentIndex === 0 ? this.navItems.length - 1 : currentIndex - 1;
    this.focusTab(prevIndex);
  }

  handleResize() {
    const wasDesktop = this.isDesktop;
    this.isDesktop = window.innerWidth >= this.config.DESKTOP_BREAKPOINT; // Use config breakpoint
    
    if (wasDesktop !== this.isDesktop) {
      this.updateMouseListeners();
      this.updateLayout();
    }
  }

  updateLayout() {
    const currentlyActive = this.activeItem;

    // Reset all states
    this.hideAllTabs();

    // Clear inline styles
    this.navItems.forEach(item => {
      const cache = this.elementsCache.get(item);
      if (cache?.content) {
        cache.content.style.maxHeight = '';
      }
    });

    if (this.isDesktop) {
      // Determine if this tab instance is nested
      let count = 0;
      let current = this.container.parentElement;
      while (current) {
        if (current.classList?.contains('dwc-tabbed-nav-container')) {
          count++;
        }
        current = current.parentElement;
      }
      const isNested = count >= 1;

      if (!isNested && this.config.OPEN_FIRST_TAB) {
        if (currentlyActive) {
          this.showTab(currentlyActive);
        } else if (this.navItems.length > 0) {
          this.showTab(this.navItems[0]);
        }
      }
    }
  }

  setBackText(){
    let tabElement = document.querySelector('.dwc-tabbed-nav-container');
    let tabBackText = tabElement.getAttribute('data-back-text')
    document.querySelectorAll('.dwc-tabbed-nav-list__li__button').forEach(tabBtn => {
        const textContent = tabBtn.textContent.trim();
        const tabIcon = tabBtn.querySelector('.dwc-tabbed-nav-list__li__arrow-icon');
        if (tabIcon) {
            tabIcon.setAttribute('data-text', textContent);
            tabIcon.setAttribute('data-back-text', tabBackText);
        }
    });
  }

  // Simple debounce for resize
  debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
      const later = () => {
        clearTimeout(timeout);
        func(...args);
      };
      clearTimeout(timeout);
      timeout = setTimeout(later, wait);
    };
  }

  // Public method to destroy the instance completely
  destroy() {
    this.cleanup();
    // Additional cleanup can be added here if needed
  }

  // Public method to manually update inert state (if needed)
  updateInert() {
    this.updateInertState();
  }
}

// Simplified initialization on DOM ready
document.addEventListener('DOMContentLoaded', function() {
  const tabbedNavContainers = document.querySelectorAll('.dwc-tabbed-nav-container');
  
  tabbedNavContainers.forEach(container => {
    // Skip if this container is nested inside another dwc-tabbed-nav-container
    const parentNavContainer = container.parentElement.closest('.dwc-tabbed-nav-container');
    if (parentNavContainer) {
      return; // Skip nested containers
    }
    
    // Get the appropriate config for this container
    const config = getConfigForContainer(container);
    
    // Initialize with the determined config
    new TabbedNavigation(container, config);
  });
});

// For dynamic content - Updated version
window.initTabbedNav = function(container, customConfig = null) {
  if (container && container.classList.contains('dwc-tabbed-nav-container')) {
    // Check if this is a nested container
    const parentNavContainer = container.parentElement.closest('.dwc-tabbed-nav-container');
    if (parentNavContainer) {
      return null; // Don't initialize nested containers
    }
    
    // Use custom config if provided, otherwise determine config automatically
    const config = customConfig || getConfigForContainer(container);
    return new TabbedNavigation(container, config);
  }
  return null;
};

/*
// TO REINITIALIZE USE THIS
// Create an instance of TabbedNavigation
const tabbedNav = new TabbedNavigation(document.querySelector('.dwc-tabbed-nav-container'));

// Call reinitialize on the instance
tabbedNav.reinitialize();

// TO USE WITH CUSTOM CONFIG
const customConfig = {
  DESKTOP_BREAKPOINT: 768,
  DEBOUNCE_DELAY: 300,
  OPEN_FIRST_TAB: false,  // This will prevent first tab from opening automatically
  CLOSE_TAB_ON_MOUSEOUT: true  // This will close tabs when mouse leaves container
};
const tabbedNavCustom = new TabbedNavigation(document.querySelector('.dwc-tabbed-nav-container'), customConfig);

// TO UPDATE ON URL CHANGE
function onUrlChange() {
    setTimeout(function () {
const tabbedNav = new TabbedNavigation(document.querySelector('.dwc-tabbed-nav-container'));
tabbedNav.reinitialize();

    }, 1500); // Delay execution by 2 seconds
}

// Listen for popstate event (history navigation)
window.addEventListener('popstate', onUrlChange);

// Listen for hashchange event (URL hash change)
window.addEventListener('hashchange', onUrlChange);

// Handle pushState and replaceState
(function (history) {
    const pushState = history.pushState;
    const replaceState = history.replaceState;

    history.pushState = function (state) {
        if (typeof history.onpushstate == "function") {
            history.onpushstate({ state: state });
        }
        const result = pushState.apply(history, arguments);
        onUrlChange(); // Call the function when pushState is used
        return result;
    };

    history.replaceState = function (state) {
        if (typeof history.onreplacestate == "function") {
            history.onreplacestate({ state: state });
        }
        const result = replaceState.apply(history, arguments);
        onUrlChange(); // Call the function when replaceState is used
        return result;
    };
})(window.history);

*/

console.log('%c<Jamie Sheehan Web Design Mega Menu Pro Tabbed Navigation v1.0>', 'color: #b388eb');

Running Lean or Running Blind? Why Smaller Refinery Teams Need Integrated Data 

August 24, 2026

Man is looking at a screen with integrated data and dashboards

In this post...

All Articles

The transition toward a reduced operational footprint is a continuing trend across the downstream energy sector. Driven by an accelerating talent gap, a wave of retirements, and corporate consolidation, refineries are facing a structural squeeze. The physical work stays the same while being handled by a shrinking workforce. The remaining staff end up absorbing the strain day to day. The site keeps functioning, but reactively, with less margin for anything unplanned and less visibility into what’s coming next. 

Below, we look at why these teams are struggling, what must change to support them, the cost of doing nothing, and how truly integrated data restores operational control.  

Leaner Workforces Are Struggling to Keep Up 

Headcount drops. The data volume, processing speed and regulatory validation load don’t.  The volume and velocity of operational information remain exactly the same. Operators are still expected to make sense of that entire data stream using fragmented, manual tools. When limited bandwidth is spent managing internal silos, there’s nothing left in the tank for strategising forward-looking initiatives.  

Why the Underlying Data Structure Has to Change 

Lean teams are the standard now. To support them, the digital infrastructure must evolve from a set of fragmented tools into an integrated system that delivers the complete picture. Inheriting previous workflows and distributing the work simply doesn’t cut it anymore during times of uncertainty.  

Driving change means moving away from manual data gathering and validation. Refineries capture the most value when reliable, trusted information moves fluidly across logistics, operations, and finance without someone carrying the burden between them.  

The source data is validated once and shared across departments that no longer need to re-check one another’s work. Teams can start trusting what’s in front of them, and that trust is what helps them succeed under today’s constraints. 

What Happens if Nothing Changes

Resource constraints leave no room for duplicating or rebuilding data across separate systems. Without a shared system of record, updates stall between departments, and the disconnect widens between site operations and head office. 

A reduced operating model often struggles using rigid manual workflows and legacy solutions designed for the previous era. Carrying these relics of the past means forcing the most experienced specialists to spend their time as data clerks instead of focusing on generating value. This risk can show up suddenly in logistics or scheduling disruptions. With fewer people available to handle unexpected variables, operational strain can quickly become unmanageable. 

Connecting the Story with Maron OAS 

Modern sites need an information layer that moves data reliably, regardless of who is running it. 

This is where Maron OAS changes the daily reality on the floor. The SaaS solution links your LIMS, process historians, and commercial scheduling systems into a single tool, so a smaller workforce isn’t hunting for updates across disconnected spreadsheets. 

Navigating the squeeze on headcount demands instant, actionable insight. This architecture enables: 

  • Forecasting Certainty: Schedulers see the latest inventory volumes and nomination timing, coupled with demand forecasts to make informed planning and production decisions.  
  • Dynamic Constraint Mapping: Pipeline nominations and terminal constraints update automatically against physical site capacity, catching demurrage risk before the vessel even docks. 
  • Eliminating the Data Chase: Roles like Marine Superintendents, Berth Operators have access to the same numbers, skipping the follow-up calls.  

Maron OAS supports organisations of all scales through market volatility and structural shifts, staying a constant by keeping your data live and actionable. Maron Systems works directly with over 30 refinery sites, across international downstream operators like Shell, VAROPreem, Petronas, and HELLENiQ ENERGY. 

You can’t stop the talent crunch, but you can stop forcing your remaining specialists to act as data clerks. 

Contact us today to see what your site looks like with the data chase automated, and your best people focused on margin instead of maintenance. 

→ Let’s Talk.  

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Additional Benefits

  • Accelerated financial results for real-time decision making
  • Automated hydrocarbon pricing based on quality inspection results for accountants
  • Incorporating historical oil losses per location into transactions to reduce/eliminate oil loss claims
  • Identify differences between test method nominated versus method performed by inspection companies
  • Communicate real-time test results as they are available for prompt trading opportunities
  • Inspection cost savings from use of Navarik Inspection Price Estimator
  • All data centralised with the ability to extract key information for data analytics