E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/04 (2006.01) E21B 43/08 (2006.01)
Patent
CA 2447654
A well screen (10) and a gravel packing a well where a low viscosity fluid can be used to distribute the gravel. A well screen (10) with a plurality of spaced manifolds (20) is lowered and slurry is pumped down the well into the first manifold (20a). Each manifold (20) has an upper and lower shunt tubes (40 and 50) for distributing the slurry upwardly and downwardly. By overlapping the exits of the shunt tubes (40 and 50) slurry will be delivered across the entire competion interval.
La présente invention concerne un filtre de puits (10) et un procédé de gravillonnage d'un puits selon lequel on utilise un liquide de faible viscosité pour distribuer le gravier. On descend un filtre de puits (10) comprenant une pluralité de rampes espacées (20) et on pompe un coulis dans le puits jusque dans la première rampe (20a). Chaque rampe (20) comprend un tube de dérivation supérieur et un tube de dérivation inférieur (40 et 50) qui permettent de distribuer le coulis vers le haut et vers le bas. Grâce au chevauchement des sorties des tubes de dérivation (40 et 50), le coulis est distribué sur toute l'intervalle de complétion.
Borden Ladner Gervais Llp
Exxonmobil Oil Corporation
LandOfFree
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