ORCA users

For those involved in marine cleanup applications, the Orca offers faster and more effective results in situations where these advantages can be critical.

  • The ORCA could be the single most important element of your vessel response plan under OPA ’90. It is not just for tanker owners, but for Oil Spill Responce Contractors (OSRC’s) and Cooperatives as well.
  • It is an ideal clean-up machine for oil terminal operators, port and river clean-up authorities and ship owners.
  • Investors can also find opportunities to grow their portfolios with the ORCA.

Here are comments from ORCA user Chris Richards, Oil Spill Services Manager, Singapore OSRC, regarding the Evoikos oil spill.

May, 1998: Equipment Experience from the 28000 tonne spill (October 1997) from the tanker “Evoikos” after a collision in the Singapore Strait. By Chris Richards, Oil Spill Services Manager, Singapore Oil Spill Response Centre

Interesting to read the March, 1998 article regarding the performance of skimmers and booms – I would certainly agree that the information provided by manufacturers can be somewhat misleading (and perhaps meaningless) although in most cases probably not intentionally so. Perhaps there is a case for carrying out some realistic tests under controlled conditions – a repeatable simulation of conditions that are as realistic as possible using oils of known specifications.

Our own (Singapore Oil Spill Response Centre) experiences may be of interest, particularly of the response to the recent 28000 tonne spill (October 1997) from the tanker “Evoikos” after a collision in the Singapore Strait.

Several different types of skimmers were used in an attempt to recover the oil after it had been in the water for a few days – it had partly emulsified by then although it was fairly viscous oil even before it was spilt – 380 Fuel Oil. The main problem with recovery was not so much with the skimmer’s ability to pick up the oil, rather the pump’s ability to drain the skimmer. All the pump types (including DOP 250 screw pumps) very quickly jammed up, having filled themselves with oil which then became virtually solid.

The only unit that worked and continued working successfully was our “ORCA” inductor unit – with its very large suction hose diameter and few moving parts it was capable of lifting the “oil” from the surface (with care and experience, without much water either) and drawing it into its internal tank – and then pumping it out again to temporary storage*1. Admittedly the weather conditions were very calm at the time allowing us to minimise the quantity of water picked up but nevertheless on this particular response the ORCA worked very well.

But as always, all spill responses are different and in other conditions it may not have been a success – definitely there remains a case of responses being supervised by experienced people who know (or at least have a fair idea) of what is likely to work under a particular set of circumstances and what will not. This also applies when equipment is being procured (by non-oil spill response organisations) for a specific purpose – far better to consult an unbiased opinion before spending considerable sums of money and maybe ending up with something that is not really suited for the intended purpose.

Chris Richards Oil Spill Services Manager Singapore Oil Spill Response Centre www.oil-spill-web.com/expert/expert.htm

*1 We don’t know why Chris Richards decided to remove the oil first into the ORCA tank itself which contains only space for 14bbls, as per the OPA ’90 rules for having equipment on board to contain min 14 bbls of onboard spillage. If Chris Richards had used the ‘universal hatch cover’ and connected the system to a receiving hold of a barge, the ORCA could have pumped the crude oil directly into the barge’s tank resulting in, a much higher volume, non stop, up to the capacity of the barge.

shh

 SEMBAWANG MARITIME, 11 TH. AUGUST  1995

TO WHOM IT MAY CONCERN

SINGAPORE OIL SPILL RESPONSE CENTRE IS PLEASED TO ADVISE WE HAVE PURCHASED AN “OIL RESPONSE CLEANING APPARATUS”   ”ORCA”.

IN   MY   MANY   YEARS    IN   OIL   SPILL   RESPONSE    I   HAVE    ATTENDED NUMEROUS SPILLS.

ONE WHICH WILL ALWAYS BE A HIGHLIGHT WAS MY SECONDMENT  TO SAUDI ARABIA BY THE AUSTRALIAN INSTITUTE  OF PETROLEUM  TO ASSIST THE GOVERNMENT,  AS A PLANNING ADVISOR,  TO CLEAN UP THE WORLDS LARGEST EVER OIL SPILL. A SKIMMER SUCH AS “ORCA” WOULD HAVE BEEN OF GREAT VALUE IN ASSISTING WITH THAT CLEAN UP.

THIS ADAPTABLE UNIT IS SUITABLE FOR TANK CLEANING OPERATIONS ON ALL SIZES OF CRUDE OIL TANKERS ALSO CLEANING   UP DEBRIS   AND GARBAGE FROM BEACHES AND RIVERS.

THIS   SKIMMER   APPARATUS    IS   HIGHLY   FLEXIBLE    AND    I   HAVE   NO HESITATION IN RECOMMENDING ITS PURCHASE BY COMPANIES OR GOVERNMENT.

Danny McKEOWN

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OIL SPILL SERVICES MANAGER

Singapore  Oil  Spill  Response  Centre  Pte  Ltd

59, Shipyard  Raad,  Jurang,  Singapore  2262.

Tel:  (65)  2650177  (24  hrs),  2650692  (Emergencies)    Fax:  (65)  2644190. Telex:  RS  21352  &  RS  23393  SEMSAL   Cable:  SALVENGER

 

Singapore  Oil Spill  Response  Centre  Pte  Ltd

59,  Shipyard  Raad,  Jurong,  Singapore  2262.

Tel:  (65)  2650177  (24  hrs),  2650692  (Emergencies)    Fax:  (65)  2644190. Telex:  RS  21352  &  RS  23393  SEMSAL   Cable:  SALVENGER

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 SEMBAWANG MARITIME, lST.  FEBRUARY  1996

TO WHOM IT MAY CONCERN

FURTHER   TO   MY   ADVICE    OF   10/8/95    THE   ”ORCA”   HAS   HAD    SOME PRACTICAL USES OVER THE LAST SIX (6) MONTHS.

DURING A TRAINING SESSION AT OUR SHIPYARD AT JURONG THE “ORCA”

WAS DEPLOYED. THERE WAS QUITE A LOT OF RUBBISH  IN THE WATER. THIS INCLUDED TIMBER PAINT TINS AND COCONUTS.

MOST  OF THESE  ITEMS  INCLUDING  I GALLON TINS AND FULL  COCONUTS WERE RECOVERED.

FOLLOWING  AN  OIL SPILL IN ONE OF THE  SHIPYARDS  AN  OVERZEALOUS CREW  POURED  LARGE  QUANTITIES  OF DISPERSANT   OVER  THE  SPILLED OIL.   THERE WAS LITTLE WATER MOVEMENT AND LACK OF AGITATION. REMOVAL  OF THE MIXTURE  WAS  PROVING  A PROBLEM  HOWEVER  WITH THE  ”ORCA”    WE  HERE  ABLE  TO  REMOVE  IT  AND  WITH  HARDLY  ANY WATER- LESS THAN 5%.

A FURTHER  SPILL  OF DIESEL  AND  LUBES  OCCURRED  IN  OUR  SHIPYARD AND   ONCE   MORE   THE   ”ORCA”   WAS   DEPLOYED    WITH    SUCCESSFUL RESULTS AND SMALL QUANTIES OF WATER

ONCE   MORE   I   CAN   ONLY   EXPRESS    MY   SATISFACTION   WITH    THIS EQUIPMENT.

Danny McKEOWN

signature

OIL SPILL SERVICES MANAGER

Singapore  Oil  Spill  Response  Centre  Pte  Ltd

59, Shipyard  Raad,  Jurang,  Singapore  2262.

Tel:  (65)  2650177  (24  hrs),  2650692  (Emergencies)    Fax:  (65)  2644190. Telex:  RS  21352  &  RS  23393  SEMSAL   Cable:  SALVENGER

 

Singapore  Oil Spill  Response  Centre  Pte  Ltd

59,  Shipyard  Raad,  Jurong,  Singapore  2262.

Tel:  (65)  2650177  (24  hrs),  2650692  (Emergencies)    Fax:  (65)  2644190. Telex:  RS  21352  &  RS  23393  SEMSAL   Cable:  SALVENGER

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