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。
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.
上述纳米级材料被添加到水力压裂支撑剂充填层或砾石充填层，以在上述充填层中起稳定地层微粒的作用。
The nano-sized material is added to hydraulic-fracture proppant packs or gravel packs on the fly to stabilize formation fines.
上述纳米级材料被添加到水力压裂支撑剂充填层或砾石充填层，以在上述充填层中起稳定地层微粒的作用。
The nano-sized material is added to hydraulic-fracture proppant packs or gravel packs on the fly to stabilize formation fines.
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