By use of oriented perforator, a certain variance of Angle and azimuth between actual perforated hole and former design is made which mainly caused by hole trace, perforated hole Angle.
采用定向射孔，使得实际射孔孔眼与原来设计的具有一定角度和方位的偏差，主要有孔眼轨道产生的偏差、孔眼角度产生的偏差等。
D finite element model for thermal fluids of perforated completion and open hole completion is developed by using thermal fluid field for simulating percolation field in perforated completion.
用热流场模拟射孔完井渗流场，建立了射孔完井热流和裸眼完井热流有限元三维模型。
Optional equipment: hot-melt coder, inwrap (nitrogen) device, packing bags hanging hole devices, packaging films perforated exhaust.
可选装置：热熔打码机、充气（氮气）装置、包装袋挂孔装置、包装膜打孔排气装置。
In KP1 type perforated brick masonry, expansion bolt especially design for perforated brick is prefer, because it can form "self- anchor" effect and hold tightly in brick hole.
KP1型矩形条孔烧结页岩多孔砖砌体墙上应采用空心砌体专用膨胀螺栓，因其能够形成可靠的“自螺母效应”。
Therefore there are some demands set for the small hole diameter and thickness of the perforated plate.
因此，对小孔直径、穿孔板厚度都有一定要求。
Through the open hole completion productivity evaluation model, respectively derive perforated completion and slotted completion productivity evaluation models.
在裸眼完井产能评价模型的基础上进一步推导出火山岩气藏射孔完井和割缝衬管完井产能评价模型。
Through the open hole completion productivity evaluation model, respectively derive perforated completion and slotted completion productivity evaluation models.
在裸眼完井产能评价模型的基础上进一步推导出火山岩气藏射孔完井和割缝衬管完井产能评价模型。
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