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Savings - Fuel, Filter & Maintenance


The Singapore Naval Maintenance Base

Undertook a trial on three vessels involving the monitoring of fuel consumption (usage per hour). Two vessels which were known to have higher than normal fuel consumption recorded savings of 20% and the third a saving of 15%.
 

Shell Deepwater Production Inc. U.S.


Four gas turbines used for power generation on an oil rig. These turbines burn 5 gallons per minute per engine when loaded. When a De-Bug Unit was fitted: "... filter usage cost has dropped from $8,000 per year to less than $1,000 per year. We satisfied with the appearance of the fuel we have has no unscheduled engine shutdowns due to clogged filters. The De-Bug Unit has performed as well as we were told it would ..."
 


Western Mining Corporation Ltd


"In addition to these savings we are now using around 8% less fuel. TMs is partly from better engine economy and partly from reduced fuel wastage due to bacterial contamination levels"
 

Deep Submergence


Rescue Vehicle Support Ship (DSESS) Kellie Chouest
, leased to the US Navy for research, rescue and retrieval, suffered severe algae contamination and the fuel filters required replacement every few hours. Installation of De-Bug units in the fuel supply lines solved the problem and allowed filter replacement to be undertaken at the normal servicing intervals.
 


Union Rotorua


A
merchant vessel operated by Union Shipping of New Zealand, was supplied with over 1000 Tonnes of light marine diesel bunker oil which was subsequently found to be contaminated with Hormonicus Resinae. The bacteria caused severe problems by fouling fuel filters; filter life was reduced from 6-8 weeks to 17 hours.
On fitting two De-Bug L4000 units, the fuel filter life was extended such that frequent and expensive filter changes were no longer required. The two units successfully coped with fuel flow rates of 78 tonnes of fuel every 24 hours. While cleaning of the infected bunkers was still required, the fitting of the De-Bug units allowed this to be scheduled for a convenient time, allowing the vessel to continue a normal trading pattern and generating revenue for it owners. No further problems were reported during the last five years of service that were completed in 1998.
 


 Ship Control Services


A merchant vessel operated by Ship Control Services (PTE) Ltd. of Singapore, had engine exhaust temperatures above the maximum recommended levels.
An L4000 De-Bug unit was fitted which resulted in a reduction of the engine exhaust temperature to within limits. In addition, daily fuel oil consumption (for the same shaft revolutions) was reduced from 17.4 metric tonnes to 15.5 metric tonnes.
 


Ray Piper:


From the first trip I noticed a better engine performance. For the first time in my memory the engines were pulling evenly. They were running cleaner and quieter. There is no smoke at all. Before I had thick black smoke. The engines are really sweet now, and the fuel is crystal clear. Numerous people have commented on my clear fuel. The De-Bug has been on my motors for a year now and I haven’t had to change the filter once.

I also have figures to prove that I have greater fuel economy
 


The Port of Singapore
Undertook a trial in one of its vessels and fitted a L1000 De-Bug unit on one of the vessels engines. After fitting, the number of filter changes reduced by 40% compared with the other engine. The other engine was subsequently fitted with a De-Bug unit.

High Speed Catamarans

Operating between Singapore and Malaysia frequently experienced main engine and auxiliary engine stoppages due to heavily clogged water separators and secondary fuel filters resulting from a jelly like growth and the filters had to be replaced every three days.
The operator tried using fuel additives but found the cost prohibitive. In addition to the blocked filters, the operator experienced expensive damage to the fuel pumps and injectors.
Since installing a De-Bug unit, fuel oil filter elements did not have to be changed within the first three months of operation, no further damage was reported and fuel economy was improved.
 

Two Korean trawlers


Participated in a comparative trial from December 1995 to June 1996; Trawlers #601 and #608, both were considered identical, except #608 had a De-Bug unit. fitted.  The two trawlers left Korea the same day to operate off the coast of Portland, Oregon, USA. Against the background of similar operating hours and total loading on the engines, the trial demonstrated:
1. Fuel saving of nearly 20%
2. Nozzle life per running engine increased on average by 25%
 


Tropic Star Lodge: Report 1

"Our engines are running cleaner with less down time for our clients and we have reduced
our replacement of fuel filters by more than half. We are also experiencing a reduction in our fuel consumption.

Tropic Star Lodge:
Report 2
After using for 2 years
"...have been using De-Bug Units for over two years on our extensive fleet of yachts, generators, trucks and other vehicles" " ... with the use of De-Bugs, we have increased our engine time between overhauls from from 3000 to 4500 hrs with very little mechanical downtime..."

 

Inconnu, a 60ft fishing vessel

Used for crab and lobster fishing off the Channel Islands experienced fuel starvation due to filter blockage. The problem became so severe that the filters were being replaced every day. Treating the fuel with Biocide only increased filter life to two days! Upon fitting a De-Bug unit, the contamination problem was eradicated and filter life increased to 40 days. The owner also dispensed with using expensive chemicals.
 

Norna - Scottish Fisheries Protection Vessel


Experienced microbial spoilage in the diesel fuel header tank, and during bad weather, a build up of a sludge type biomass in the fuel feed line to the purifier halving its capacity from 1 tonne per hour to 0.5 tonnes per hour. In addition, the fuel strainers on the feed lines to the twin 3,000 HP engines had to be cleaned every ten days to prevent fuel starvation.
After fitting of an L4000 De-Bug Unit, restrictions were eliminated and the cleaning cycle for the engine strainers was increased to ten weeks; a sevenfold increase in life.
 


 RMK Transport:
Prior to fitting the De-Bug I was using abut 320 litres of diesel on the Cairns - Townsville return run and since fitting the De-Bug the same run is only using about 270 litres of fuel, representing a fuel saving of about 15%.

Remote Power Stations in the Darwin

Area of Australia are supplied by coastal barges which in many cases cause the infestation of the diesel fuel used. The Power and Water Authority of the Northern Territory fitted De-Bug units to the fuel systems and recorded increases in fuel filter life from 168 hours to 500 hours. Further trials demonstrated that filter life could be increased well beyond 500 hours.

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