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Oil tankers generally have from 8 to 12 tanks. [1] Each tank is split into two or three independent compartments by fore-and-aft bulkheads. [1] The tanks are numbered with tank one being the forwardmost. Individual compartments are referred to by the tank number and the athwartships position, such as "one port", "three starboard", or "six ...
All unrefined crude oil has some water entrained within it. During transportation by ship, separation occurs naturally and water collects at the base of the tank below the oil, this is known as free water (FW). [4] Sales contracts for crude oil will typically specify the BS&W and FW to ensure the cargo meets quality standards.
Entries shall be made in the oil record book on each occasion, on a tank to tank basis if appropriate, whenever any of the following machinery space operations take place on any ship to which this section applies— [3] Ballasting or cleaning of fuel oil tanks; Discharge of ballast containing an oily mixture or cleaning water from fuel oil tanks;
Oil tankers generally have from 8 to 12 tanks. [16] Each tank is split into two or three independent compartments by fore-and-aft bulkheads. [16] The tanks are numbered with tank one being the forwardmost. Individual compartments are referred to by the tank number and the athwartships position, such as "one port", "three starboard", or "six ...
In 1892 it found oil near Pangkalan Brandan on Sumatra, just some months before Samuels kerosene arrived in Singapore. At first, chartered ships were used, but in 1896 KNMEP launched its first tankers, the Besitang and Berandan. The threat of the Tank Syndicate was reduced as the Dutch government excluded them from trading in the Dutch East Indies.
The book Introduction to Architectural Science states about liquid fuel storage tanks, "often in a housing development a central storage tank is installed (usually underground) which will be filled by an oil company", and that a supply of liquid fuel is piped to individual apartments or houses from the central storage tank. [2]
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Crude oil washing (COW) is washing out the residue from the oil tanker using the crude oil cargo itself, after the cargo tanks have been emptied. Crude oil is pumped back and preheated in the slop tanks, then sprayed back via high pressure nozzles in the cargo tanks onto the walls of the tank. Due to the sticky nature of the crude oil, the oil ...