Oplii is the comprehensive software solution for managing API 653 tank inspection compliance. Our mobile-first platform connects your office and field teams to ensure every aboveground storage tank is inspected according to its risk-based interval - whether that's annual, 5-year, 10-year or anything in-between -keeping you audit-ready and compliant.
See how Oplii can streamline your API 653 tank inspections
Managing aboveground storage tank inspections across multiple facilities is complex. Determining risk-based intervals and tracking custom schedules for each tank manually leads to missed deadlines, compliance gaps, and audit failures. Oplii helps you establish appropriate intervals based on corrosion rates and risk factors, then automates scheduling, mobile data collection, and real-time compliance tracking.
Purpose-built features that make tank inspections faster, more accurate, and audit-ready.
Never miss an inspection deadline. Oplii automatically tracks inspection intervals and sends reminders to field and integrity teams.
Collect inspection data offline in the field. Photos, notes, and GPS coordinates sync automatically when back online.
Generate compliance reports instantly. All inspection history, photos, and documentation organized and accessible.
Configure inspection checklists and approval workflows to match your company's specific API 653 procedures.
Collect inspection data offline in the field with our iOS and Android apps. Photos, GPS, and detailed checklists sync automatically. Spot a deficiency? raise a Work Order automatically from the mobile inspection process and Oplii will route and assign it for you.


Beyond API 653 tank inspections, Oplii's flexible platform handles a wide range of inspection types across the Oil & Gas industry.
AER Directive 13 Compliance
Suspended and inactive well inspections managed with automated scheduling and mobile-first data collection.
In-Service Pressure Vessels
External inspections every 5 years, internal inspections every 10 years with risk-based intervals.
In-Service Piping Systems
Inspection frequency varies by risk class: 5-10 years for most piping systems.
State Regulatory Compliance
Annual, biennial, or triennial inspections depending on boiler type and operating conditions.
Tailored to Your Operations
Configure Oplii for any inspection type with custom checklists, frequencies, and workflows.
Join leading operators who trust Oplii for their tank inspection management.