Brevets Ferraye

A SYSTEM FOR EXTINGUISHING AN OIL WELL SUBJECTED TO VERY HIGH PRESSURE     Bibliographic data     Description     Claims     Mosaics     Original document     INPADOC legal status   Publication number: WO9219323 (A1) Publication date: 1992-11-12 Inventor(s): FERRAYE JOSEPH [FR] Applicant(s): FERRAYE JOSEPH [FR] Classification:   - international: A62C3/06; A62C39/00; E21B35/00; A62C3/00; A62C39/00; E21B35/00; (IPC1-7): A62C3/06; E21B35/00 - European: A62C3/06; A62C39/00B2; E21B35/00 Application number: WO1992FR00405 19920504  Priority number(s): FR19910005662 19910502; FR19910012648 19911009     View INPADOC patent family   View list of citing documents   Also published as:   CA2112705  (A1)     AU1777392  (A)     NO933967  (A)     EP0603181  (A1)     Cited documents:   US1520288 (A)     US3885629 (A)     US1857788 (A)     FR1219418 (A)     US1498453 (A)   Report a data error here    Abstract of WO 9219323  (A1) The invention describes a system for extinguishing fires in oil wells subjected to very high pressures, and cooling of the surrounding ground. The base of the system is, for example, of conical shape resembling a volcano. The flames are stifled by introducing a non-flammable gas (e.g. nitrogen or liquid carbon dioxide) or water into the system through holes (4a, 4b) in the conical section. The turbulent propagation of this gas, achieved by using angle connectors in the system, occurs in the same direction as the flames and is intensified in an upward direction by the conical shape of the system. The outlet via the crater (1) is a form of eruption encompassing all the flames, and nitrogen is directed downward to cool the surrounding ground.   Data supplied from the esp@cenet database — Worldwide

BLOCKING ROBOT FOR HIGH-PRESSURE OIL WELLS  

Bibliographic data

Description

Claims

Mosaics

Original document

INPADOC legal status

	Publication number: WO9218746 (A1) Publication date: 1992-10-29 Inventor(s): FERRAYE JOSEPH [FR] Applicant(s): FERRAYE JOSEPH [FR] Classification:   - international: E21B33/02; E21B33/02; (IPC1-7): E21B33/02 - European: E21B33/02 Application number: WO1992FR00323 19920410  Priority number(s): FR19910004607 19910411; FR19910004905 19910416; FR19910011959 19910923; FR19910012943 19911015; FR19910013650 19911030     View INPADOC patent family   View list of citing documents   Also published as:   EP0593503  (A1)     CA2103361  (A1)     NO933629  (A)     AU1777492  (A)     Cited documents:   DE9106322U (U1)     US1822140 (A)   Report a data error here    Abstract of WO 9218746  (A1) A robot for sealing and blocking pipes which are subject to very high pressure. The robot comprises a counter-pressure device below the main blocking portion for simultaneously acting on the inner wall, at depth in the pipe, by expansion caused by a single linear movement of a tapered shaft in a cylinder having therein a tapered bore; said shaft having a diameter which is 50 % greater than the difference between the inner taper diameters of the two ends of the cylinder, which cylinder has a slot running the full length thereof and is controlled by hydraulic jacks; a centre pipe allowing oil flow and normalising the upward pressure during the insertion process; and two pantographs for centering the system in the well in spite of the very high pressure. The high pressure in the well helps ensure blocking of the system.   Data supplied from the esp@cenet database — Worldwide

WASALive ! Pétrole au-dessus - François de Siebenthal Il devrait vider la piscine pour nettoyer toutes les écuries et détourner les inondations... Source : François de Siebenthal moins de 20 heures ...

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Admiration.
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