At Up River Marine, we perform Bunker Quantity Surveys (BQS) with strict accuracy, transparency, and full representation of our clients’ interests. Our team ensures that every metric ton paid for is delivered—no exceptions.
We operate across strategic bunkering points, including:
Zona Común (La Plata Road, Argentina)
Bahía Blanca (at berth or anchorage)
Montevideo (including offshore Recalada area in Río de la Plata)
Santos, Brazil
Offshore transfers where applicable
Our dedicated surveyors oversee the entire bunkering process, from pre-transfer checks and measurement of remaining-on-board (ROB) to final tank readings and documentation. When necessary, bunker samples are collected and sealed, with the option of lab analysis to verify quality and compliance.
With Up River Marine, you can rely on accurate bunker reconciliation and complete protection of your commercial interests—every drop counts.
Dedicated support to oversee your vessel operations—from anchorage to final draft—ensuring safety, coordination, and commercial protection.
Accurate cargo quantity determination through trusted draft surveys—minimizing disputes and protecting your interests.
Verify bunker quantities at the start or re-delivery of a charter with full accuracy and neutrality.
Trusted maritime surveying and consulting across Argentina, Uruguay, Brazil, and key global ports.
We specialize in bunker quantity surveys, cargo supervision, and regulatory audits—ensuring accuracy, transparency, and peace of mind for shipowners and charterers.
Head Office – Argentina:
US Office:
