E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) F04C 2/107 (2006.01)
Patent
CA 2543772
The object of the invention is to improve delivery of the multi-phase mixture, in particular hydrocarbons from a well, and to limit the free gas volume. According to the invention, this object is attained in that a partial liquid flow (13) is split off on the pressure side from the main delivery flow and guided to the high- pressure side of at least one ejector pump (2) arranged on the suction side as an auxiliary delivery device. The pump installation provides a feed line (7) connecting the pressure chamber of the displacement pump (1) with the high-pressure side of at least one ejector pump (2), whereby the ejector pump (2) is arranged on the suction side in the delivery direction of the displacement pump (1).
L'objectif de l'invention est d'améliorer l'évacuation d'un mélange à phases multiples, notamment d'hydrocarbures, présent(s) dans un trou de forage et de limiter le volume de gaz libre. A cet effet, un flux partiel de liquide (13) est séparé du flux de refoulement principal, côté refoulement, et acheminé au côté haute pression d'au moins une pompe à jet (2) placée en tant que moyen de refoulement auxiliaire sur le côté aspiration (1). Une installation de pompage présente une conduite d'alimentation (7) qui relie la chambre de pression d'une pompe volumétrique (1) au côté haute pression d'au moins une pompe à jet (2) placée côté aspiration dans le sens de refoulement de la pompe volumétrique (1).
Brandt Jens-Uwe
Mueller-Link Dietrich
Rohlfing Gerhard
Joh. Heinr. Bornemann Gmbh
Kirby Eades Gale Baker
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