gravel pack

基本解释

The problems of gravel pack, cementing and perforation are dwelled upon in special.
特别对砾石充填、固井和射孔等方面的问题作了较详细的讨论。
Step one is to grout with low grouting pressure to fill the gravel pack interval and blocked the channels which relieves the grouting pressure in the shallow surrounding rock.
“一步”低压注浆充填壁后散体状碎石充填层，堵塞浅部围岩泄压通道；
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The effect of gravel packing in screen casing annular and perforations on the well productivity can be shown by gravel pack productivity ratio, which can be calculated by the additional skin factor.
计算射孔孔眼砾石层及环空砾石层的附加表皮因数，用砾石充填后产能比考虑炮眼和筛套环空砾石充填对产能的影响；