Automated
Oil Tank Cleaning and Oil Recovery
Our systems clean aboveground oil storage tanks and recover waste oil in a safe and efficient way minimizing waste disposal
Efficient, proven tank cleaning
Recover oil
Recover over 95% of hydrocarbons from sludge, turning what was once a cost into direct revenue..
Minimize Waste
Dispose of less than 5% of sludge with our unique solution, enabling efficient incineration of waste.
Save Time
Experience up to 80% less tank cleaning time, resulting in significantly reduced overall tank downtime.
Operational safety
Our units are designed and tested according to all international relevant codes/standards e.g. ATEX, ISGOTT, PED, ASME, IECEX
Workers’ Safety
BLABO eliminates the need for workers to enter tanks, reducing their exposure to highly carcinogenic fumes, and safeguarding their health.
from hazardous work:
Our Services
Oreco A/S is a world leader in Automated Systems for Crude Oil Tank Cleaning, Oil Recovery from Slop-oils, and generation of Nitrogen/Oxygen gases for industrial applications.
Choose Your field and explore our Tank Cleaning or the Gas Generator section.
Start Cleaning
The BLABO® system ensures fast, safe tank cleaning while recovering valuable products and minimizing pollutant disposal. Its closed-loop design reduces environmental impact and maximizes hydrocarbon recovery.


View our BLABO® animation.
A complete tank cleaning and oil recovery process Let us invite you to a BLABO® demontration and see for yourself how the BLABO® system effectively cleans an oil storage tank and simultaneously recovers the oily sludge. Follow the entire process from installation of the BLABO® units, installation of cleaning nozzles, desludgning, washing, oil recovery etc. and on to the final water wash.
Recovery of hydrocarbons
Reduction of tank cleaning time (BLABO®)
Years of specialist in
the industry

Cost benefit Analysis
Tank Cleaning Case A
Tank A specs
Sludge volume 1.000 m3
Tank diameter 55 m
Base area 2.375 m2
Tank volume 47.000 m3
Roof type Floating / single
BSW required <1%
Seperation required Decanter + HSS
Calculated cleaning time 25 days
Cost (manual)
Direct cost of cleaning -€268.000
-€211.500
Tank outage cost
(€1.5/m3/month x 3 months)
-€314.450
Loss of crude oil @ €50/bbl
(1.000m3 x 6.289bbl/m3)
-€500.000
Waste deposition costs
(€500/t x 1.000t)
-€13.400
Extra cost
(5% of Cost of Cleaning)
value of recovered oil €0
Total cost of cleaning -€1.307.350
Cost (BLABO)
Direct cost of cleaning -€525.000
-€47.000
Tank outage cost
(€1,5/m3/month/30 days x 20 days)
-€21.46
Loss of crude oil @€50/bbl
(1.000m3 x 6.289bbl/m3 x 0.05 x 0.05)
-€48.750
Waste deposition costs
(€500/t x 97,5t)
-€26.062
Extra cost
(5% of Cost of Cleaning)
(5% of Cost of Cleaning)
Value of recovered oil
+€292.989
Total cost of cleaning -€375.284

What Clients Say

BLABO® met VAOS’ requirements for oil recovery, worker safety, and environmental benefits
Mr. Johann Tomek Managing Director, VAOS
