B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 17/038 (2006.01) B01D 21/26 (2006.01) B03B 9/00 (2006.01) B04C 5/26 (2006.01) B04C 7/00 (2006.01) B04C 9/00 (2006.01) E21B 43/34 (2006.01)
Patent
CA 2409129
A separation method and apparatus are disclosed having particular application for effecting removal of sand from a production wellstream, enhancing the quality of recovered oil, gas and water output streams (12, 13, 14) and reducing erosion caused by entrained sand. The wellstream is passed initially through a cyclone separator (4') which separates substantially all the water and sand as underflow and substantially all the oil and gas as overflow. A gravity separator (11) separates the overflow from the cyclone separator (4') into oil, gas and water, and a further cyclone separator (17) separates the underflow from the first cyclone separator (4') into water and sand.
L'invention concerne un procédé et un appareil de séparation dont l'application particulière consiste à dessabler un flux de remontée de puits de pétrole, améliorant la qualité des flux de pétrole, de gaz et d'eau récupérés (12, 13, 14) et réduisant l'érosion provoquée par le sable entraîné. Le flux de remontée de puits est d'abord passé dans un séparateur à cyclone (4') qui permet de séparer sensiblement toute l'eau et le sable évacués par la sousverse et sensiblement tout le pétrole et le gaz évacués par la surverse. Un séparateur par densité (11) permet de séparer la surverse du séparateur cyclone (4') en pétrole, gaz et eau, et un autre séparateur cyclone (17) permet de séparer la sousverse du premier séparateur cyclone (4') en sable et eau.
Gowling Lafleur Henderson Llp
Rockwater Limited
Tveiten Magnar
LandOfFree
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