The risk is often not fuel quantity but what entered the fuel during transport, storage and transfer. Owners do not need to become laboratory specialists, but they do need evidence at every custody point.
What the project should produce
Teams responsible for remote prime power, fuel procurement, storage and reliability.
Connect water, solids, mixed batches and ageing stock to starting, injection and outage risk.
Produce a fuel-path drawing, batch receipt, sampling record and quarantine procedure.
Trace fuel from delivery to the engine inlet. Tank design, batch acceptance, sampling, draining, filtration and quarantine need one auditable chain; use the applicable engine and fuel-system manufacturer requirements for the actual fuel and filtration limits.
01
Map the complete fuel path
Identify delivery vehicles, bulk tanks, transfer pumps, filters, day tanks, supply and return lines, drains and sample points before assigning controls.
- Name each tank and line duty and owner
- Separate new, return, pending and quarantined fuel
- Define vent, overflow, drain and spill boundaries
02
Accept and isolate each delivery before unloading
Clear appearance is not proof of suitability. Record source, batch, transport condition and agreed field checks before mixing with existing stock.
- Verify batch, quantity and transport record
- Take a representative sample at the agreed point
- Retain a check sample and quarantine exceptions
03
Control water and sediment in storage
Temperature cycles, humid air, rain and long residence can accumulate bottom water and deposits. Drainability, vent protection and inspection must match the site.
- Provide inspectable, recordable low-point draining
- Protect manways, vents and connections from rain
- Include tank draining and cleaning in maintenance
04
Make transfer filtration maintainable and provable
A filter is not permanent insurance. Bypass, differential condition, element replacement, pump suction and temporary hoses affect delivered fuel.
- Record element identity, condition and change basis
- Prevent uncontrolled bypass and dirty temporary hoses
- Inspect transfer pumps, valves and day-tank circuits
05
Close problems with trends and evidence
High drain volumes, rapid filter plugging or similar power problems across several sets should trigger a batch and path review, not isolated parts replacement.
- Link delivery date, tank, unit and alarm timeline
- Keep samples, photos, drain and filter evidence
- Identify source, affected scope and release criteria
Project review matrix
| Map the complete fuel path | Name each tank and line duty and owner；Separate new, return, pending and quarantined fuel |
|---|---|
| Accept and isolate each delivery before unloading | Verify batch, quantity and transport record；Take a representative sample at the agreed point |
| Control water and sediment in storage | Provide inspectable, recordable low-point draining；Protect manways, vents and connections from rain |
| Make transfer filtration maintainable and provable | Record element identity, condition and change basis；Prevent uncontrolled bypass and dirty temporary hoses |
| Close problems with trends and evidence | Link delivery date, tank, unit and alarm timeline；Keep samples, photos, drain and filter evidence |
Three common mistakes
Mixing a new delivery immediately
An unverified batch removes the opportunity to isolate and trace contamination.
Changing only the engine filter
A contaminated tank or transfer path will plug the replacement again.
Using calendar intervals without site evidence
Humidity, turnover and logistics vary; use drain, filter and sample trends.
Information to prepare for engineering review
- Engine fuel specification and supplier certificate
- Supplier, batch and transport records
- Tank, day-tank and pipe diagram
- Sampling, draining and filter records
- Quarantine and disposal procedure
- Recent alarms and injection-system service evidence