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EP0807196A1 - Procede rapide et economique d'ecumage de gigantesques nappes de petrole au moyen de n'importe quel equipement de petrolier sans utiliser des produits chimiques - Google Patents

Procede rapide et economique d'ecumage de gigantesques nappes de petrole au moyen de n'importe quel equipement de petrolier sans utiliser des produits chimiques

Info

Publication number
EP0807196A1
EP0807196A1 EP95937981A EP95937981A EP0807196A1 EP 0807196 A1 EP0807196 A1 EP 0807196A1 EP 95937981 A EP95937981 A EP 95937981A EP 95937981 A EP95937981 A EP 95937981A EP 0807196 A1 EP0807196 A1 EP 0807196A1
Authority
EP
European Patent Office
Prior art keywords
oil
cargo
ship
demand
ballast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95937981A
Other languages
German (de)
English (en)
Inventor
Ilias Gyftonikolos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0807196A1 publication Critical patent/EP0807196A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/046—Collection of oil using vessels, i.e. boats, barges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E02B15/0842—Devices for reducing the polluted area with or without additional devices for removing the material adapted to be towed for operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/204—Keeping clear the surface of open water from oil spills

Definitions

  • the method refers to the skimming or the oil of the sea surface in the event of a huge oil spill, with a use of medium or large size tankers m ballast condition and with cargo tanks filled with sea water to the maximum allowed draught.
  • the oil boom can be 200 meters long or over and is tightened to the port and the starboard of the ship the same wav as the cargo pipe lines arrangement at the manifold is the same, fig 1.
  • the suction well is an oil drum cut in two and reinforced with an iron ring - fig 4 - which we submerge in a wav that the top to be 1 - 2 cm below the sea surface, in the narrowest point of the v-shaped oil boom at the side of the ship and we adjust the incoming quantity to be the same with the suction one of the EDUCTOR.
  • TSE SKIMMERS which are stationed in oil ports and refineries but as thev are of small capacity, it is impossible to use them for huge oil spills.
  • these skimmers use chemical which destroy sea life.
  • This method exploits the characteristics of the EDUCTOR which operates with the sea water pressure (8-9 kg/cm2) with the large output ol the ship's cargo pumps and the continuous use of them, This method can be used in bays, rivers with small ships or in open seas where the weather conditions allow it.
  • the tanker can be anchored if it is possible or we use the engine to keep the bow of the ship towards the oil spill.
  • the required gear can be stored in all oil ports or oil platforms in order to be ready to be carried in short time i.e. helicopter.
  • the ship must have enough ballast water equal to the allowed draught in order to have the minimum freeboard and have better suction, fig 3.1.
  • the advantage of the method is that the decanting of the oil can occure continuously during the operation, fig 3.
  • the fig. 1 shows the view from above with the lifeboats fig. 1 port and starboard holding the oil booms in V shape in order the caused surface current from the suction wells.
  • the fig 2 shows the wav of rigging of the flexible hoses (no 5,7,10) to the Eductor.
  • the OIL BOOM no.8 we use the mooring wire no.l which we secure at the aft of the ships MANIFOLD with a shatch block no.2.
  • connection of the flexible hose no. is done in such a way in order the direction of the EDUCTOR to be towards the discharging no.l " BUTTERWORTH HOLES of VAPOR LINE which is connected with all the cargo tanks form the top.
  • the fle ible hose no. 7 we secure m the suction well no.12 which we submerge in such wav that the top to be 1-2 cm below the sea surface.
  • the holding wire of the suction well no.18 we secure on deck in order to adjust the position of the suction well no.12. Also the same we arrange for the securing wires.
  • With the cargo pumps no.16 which are interconnected with the cargo lines, we reach a sea water pressure of 8-9 kgs/cm2 in order to operate the EDUCTOR and to cause the surface current no 14 tor the better skimming of the oil spill.
  • the fig. 3 shows the various stages of the filling cargo tanks.
  • the stage no.l white is the initial stage of the cargo tank filled with sea water.
  • the stase no.2 dark is the final stace of the careo tank after the discharge by gravity of the clean sea water during the skimming operation.
  • the fig. no.4 shows the suction well no.] with the suspension - stabilization wires no.4 and the direction of the tightened up position on deck no.3-5, the reinforced ring no.2 with the securing points of the wires.
  • the f ⁇ g.no5 shows the flexible hose no.l and iron frame no.2 which is used to avoid the phenomenon oi «cu ⁇ pmg» during the operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

Par ce procédé, on utilise les pompes de cargaison et les conduites de chargement se trouvant au niveau du manifold auquel des tuyaux flexibles sont raccordés à l'EJECTEUR, et par ce système, on écume l'eau de mer polluée par le pétrole qui est réintroduite dans les réservoirs du pétrolier. Au moyen des orins, la barrière flottante est maintenue serrée contre le flanc du bateau, et à l'aide des canots de sauvetage, les bords libres de la barrière sont tirés pour former un V contre l'avant du bateau. Grâce à la grande capacité des réservoirs du pétrolier et compte tenu du ballast fonction du tirant d'eau en charge admissible, il est possible d'utiliser un EJECTEUR de grande capacité afin de créer par aspiration un courant de surface, ce qui permet d'obtenir de meilleurs résultats. Ce même procédé d'écumage peut être utilisé avec des pompes depuis la côte dans les ports de déchargement (raffineries) pour le ballastage avec de l'eau polluée en surface jusqu'au chargement du bateau, et ensuite d'effectuer la vidange en haute mer avec un ballast propre. (De nombreux pays suggèrent de changer le ballast propre en haute mer pour les pétroliers).
EP95937981A 1995-11-22 1995-11-22 Procede rapide et economique d'ecumage de gigantesques nappes de petrole au moyen de n'importe quel equipement de petrolier sans utiliser des produits chimiques Withdrawn EP0807196A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GR1995/000023 WO1997019229A1 (fr) 1995-11-22 1995-11-22 Procede rapide et economique d'ecumage de gigantesques nappes de petrole au moyen de n'importe quel equipement de petrolier sans utiliser des produits chimiques

Publications (1)

Publication Number Publication Date
EP0807196A1 true EP0807196A1 (fr) 1997-11-19

Family

ID=10938578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95937981A Withdrawn EP0807196A1 (fr) 1995-11-22 1995-11-22 Procede rapide et economique d'ecumage de gigantesques nappes de petrole au moyen de n'importe quel equipement de petrolier sans utiliser des produits chimiques

Country Status (3)

Country Link
EP (1) EP0807196A1 (fr)
AU (1) AU3878995A (fr)
WO (1) WO1997019229A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999057378A1 (fr) 1998-05-06 1999-11-11 Mantis Oil Separation Limited Recuperateur a deversoir et systeme de flottation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE49969B1 (en) * 1979-08-13 1986-01-22 Jauregui Carro Francisco J System for collecting products dumped on the surface of a mass of water
DE3500581A1 (de) * 1985-01-10 1986-07-10 Franz 4690 Herne Schröder Tankschiff zur aufnahme von durch aussetzbare eigene oelskimmer von dem seitlich ablaufenden fahrwasser abgeschoepftem oel
SE8604872D0 (sv) * 1986-11-12 1986-11-12 Troilboom Systems Ab Metod och sett att anbringa oljelensor sa gott som varsom helst pa och utefter en fartygssida och pa sa sett att lensan ej er direkt ansluten till fartygssidan men endock har en oljetet anslutning och att denna anbringn
US4963272A (en) * 1989-04-26 1990-10-16 Garrett Joseph B Apparatus and method for concentrating materials
US5128033A (en) * 1990-07-26 1992-07-07 Eberhardt H Alfred Oil separator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9719229A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999057378A1 (fr) 1998-05-06 1999-11-11 Mantis Oil Separation Limited Recuperateur a deversoir et systeme de flottation

Also Published As

Publication number Publication date
AU3878995A (en) 1997-06-11
WO1997019229A1 (fr) 1997-05-29

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Withdrawal date: 19971013