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    • 2. 发明申请
    • ADJUSTABLE WELL SCREEN ASSEMBLY
    • 可调节的屏幕总成
    • WO2004072432A3
    • 2005-01-27
    • PCT/US2004001742
    • 2004-01-22
    • HALLIBURTON ENERGY SERV INC
    • HENDERSON WILLIAM D
    • E21B43/08E21B43/12
    • E21B43/14E21B34/14E21B43/08E21B43/12
    • A well screen assembly (70) with a controllable variable flow area. The well screen assembly (70) comprises an outer tubular section (80), the outer tubular section (80) containing a first plurality of openings (90) disposed in a pattern (100) throughout a length "L" of the outer tubular section (80); an inner tubular section (110) that is disposed within the outer tubular section (80), the inner tubular section (110) containing a second plurality of openings (120) disposed in the same pattern (100) throughout a length L of the inner tubular section (110), and when the first plurality of openings (90) and second plurality of openings (120) align, the openings form a plurality of passageways (130) through the outer tubular section (80) and inner tubular section (110). The well screen assembly (70) may therefore, vary the flow of production fluid through it and upwards through the interior of a production tubing (40).
    • 一种具有可控可变流动面积的筛网组件(70)。 井筛组件(70)包括外管状部分(80),外管状部分(80)包含沿外管段的整个长度“L”设置成图案(100)的第一多个开口(90) (80); 内部管状部分(110),其设置在外部管状部分(80)内,内部管状部分(110)包含设置在相同图案(100)内的第二多个开口(120),整个长度L为内部 管状部分(110),并且当第一多个开口(90)和第二多个开口(120)对准时,开口通过外部管状部分(80)和内部管状部分(110)形成多个通道(130) )。 因此,井筛组件(70)可以改变通过其的生产流体的流动并且向上通过生产管道(40)的内部。