Global Patent Index - EP 2024109 A1

EP 2024109 A1 2009-02-18 - SYSTEM FOR CLEANING AN OIL TANK AND METHOD OF CLEANING AN OIL TANK

Title (en)

SYSTEM FOR CLEANING AN OIL TANK AND METHOD OF CLEANING AN OIL TANK

Title (de)

SYSTEM ZUR REINIGUNG EINES ÖLTANKS UND VERFAHREN ZUR REINIGUNG EINES ÖLTANKS

Title (fr)

SYSTEME DE NETTOYAGE D'UNE CUVE DE PETROLE ET PROCEDE DE NETTOYAGE D'UNE CUVE DE PETROLE

Publication

EP 2024109 A1 (FR)

Application

EP 06764628 A

Priority

FR 2006001090 W

Abstract (en)

[origin: WO2007132073A1] The invention concerns a system for putting back in suspension a sediment that has, by deposition, formed a layer (3) on the bottom (1b) of a tank (1) with a floating roof (2) containing crude oil, said device comprising: - at least one pipe (11) for sucking out and re-injecting the oil contained in said tank (1); - a pump (7) for providing circulation of the oil in said pipe (11); - a filtration device (9) intended to eliminate the inorganic elements contained in the crude oil; and - injection lances (5) each comprising at least one injection orifice (8a, 8b, 8c) sending a jet in the direction of the layer of sediment; the filtration device (9) comprises at least a first (15a) and a second filter (15b) mounted in parallel and connected to the suction and re-injection pipe (11) by means of a switching device (16, 17) for directing the flow of oil selectively to the first (15a) or second filter (15b). The invention also concerns a method of putting a layer of sediment back in suspension.

IPC 8 full level (invention and additional information)

B08B 9/093 (2006.01)

CPC (invention and additional information)

B08B 9/0933 (2013.01)

Citation (search report)

See references of WO 2007132073A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK YU

EPO simple patent family

WO 2007132073 A1 20071122; BR PI0621632 A2 20111213; CA 2652255 A1 20071122; CN 101489694 A 20090722; EA 200802323 A1 20090630; EP 2024109 A1 20090218; MX 2008014610 A 20090331; NO 20085188 A 20081212; US 2009173363 A1 20090709

INPADOC legal status


2011-06-01 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20101201

2009-02-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081119

2009-02-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

2009-02-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL BA HR MK YU