For high permeability and loose sand in bohai, these links are composed of wire wrapped screen, gravel packing zone, perf, skin and near wellbore undisturbed formation.
具体到渤海高渗透疏松砂岩，这些环节包括绕丝筛管、砾石充填层、射孔孔眼、压实带及近井原状地层。
Metal screen adopts cu wire winded sparsely and cu tape wrapped. The nominal cross-section area of the wire is 95 mm2, different cross-section area can be designed for various application means.
金属屏蔽层采用疏绕铜丝和铜带，铜丝的标称截面95mm2，也可以根据使用要求进行设计不同截面的金属屏蔽层。
Metal screen adopts cu wire winded sparsely and cu tape wrapped. The nominal cross-section area of the wire is 95 mm2, different cross-section area can be designed for various application means.
金属屏蔽层采用疏绕铜丝和铜带，铜丝的标称截面95mm2，也可以根据使用要求进行设计不同截面的金属屏蔽层。
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