SELF-PROPELLED OIL-SKIMMER Russian patent published in 2015 - IPC B63B35/32 E02B15/04 

FIELD: oil and gas industry.

SUBSTANCE: self-propelled oil-skimmer represents a marine installation - a catamaran with restricted area of sailing. It comprises bodies with hydrojet engines, a vacuum reservoir for collection of a thin layer of film oil product with water, and also an accessory for collection of wastes. Each body of the catamaran is equipped with a structurally coupled settling tank, polypropylene filters, a receiver with vacuum pumps, and tanks for reception of oil products and water. A reservoir for collection of a thin layer of film oil product with water is made in the form of a floating structure placed between the bodies, the collecting chute of which is connected to a collecting pipe arranged along the floating structure. The latter via at least one device of automatic regulation of liquid flow rate, equipped with a throttling gate valve, is connected to settling tanks. Each of settling tanks is equipped with at least one thin synthetic net, which may cover horizontal motion of the liquid along the entire section of the settling tank.

EFFECT: increased efficiency of water treatment with simultaneous increase of operational reliability.