ALTERNATIVE HELICAL FLOW CONTROL DEVICE FOR POLYMER INJECTION IN HORIZONTAL WELLS

ALTERNATIVE HELICAL FLOW CONTROL DEVICE FOR POLYMER INJECTION IN HORIZONTAL WELLS

The flow control device comprises one or more stacked spiral paths where the shape of an inlet to an end of a spiral has a taper on one or more sides to gradually increase the polymer velocity to eliminate rapid acceleration points as the flow enters the spiral path. The entrance with its taper can...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KSHIRSAGAR ATUL H, KIDD PETER J, ABDELFATHAH TARIK, HARPER CHRISTOPHER, GOHARI KOUSHA, JUTILA HEIKKI ARMAS, WOUDWIJK ROY, MASCAGNINI CARLOS
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:The flow control device comprises one or more stacked spiral paths where the shape of an inlet to an end of a spiral has a taper on one or more sides to gradually increase the polymer velocity to eliminate rapid acceleration points as the flow enters the spiral path. The entrance with its taper can be curved to get into the spiral. The spiral can be entered tangentially or radially or axially. 流动控制装置包括个或多个堆叠的螺旋路径，其中入口到螺旋物的端部的形状在侧或多侧上具有锥形物，以逐渐增加聚合物速度以消除流进入所述螺旋路径时的快速加速点。入口与其锥形物可以被弯曲来进入所述螺旋物。可以切向地或径向地或轴向地进入所述螺旋物。