in the passage analyzing the disadvantage of ways which was used in most mine and bring forward the restoration hole with cement for testing gas press.
准确获取煤层瓦斯压力是有效开展瓦斯预测和防治工作的重要技术保障,文章分析了目前俯角测压工艺中存在的缺点和不足,提出了使用"水泥砂浆再造孔"法进行封孔测压,经实践证明,此法可有效封堵岩层裂隙和渗水,为复杂条件下的瓦斯压力测试提供了保障。
Preliminary application of hydraulic deep penetration perforation technology in Jinzhou Oil Production Plant;
水力深穿透射孔技术在锦州采油厂的初步应用
Experimental study on effects of hydrau-perforation parameters on initial fracturing pressure;
水力射孔参数对起裂压力影响的实验研究
Analysis of impact of perforation on the performance of cement sheath and casing;
射孔对水泥环与套管性能影响的分析计算
Application of perforating optimization technology in Weizhou oilfield;
射孔优化技术在涠洲油田的应用
Application Of Combustion-Gas Ultrapositive-Pressure Perforating Technique in Huqing Oilfield Development;
燃气式超正压射孔技术在胡庆油田的应用
Study and application of perforating fracturing multi-combined optimization technology;
射孔压裂多元优化复合技术的应用及发展
outside perforation packing
射孔孔眼外砾石充填
gravel packed perforation tunne
填满砾石的射孔孔道
strip carrier capsule gun
钢带托架座舱式射孔器
semi-expendable gun
部分可回收的射孔器
directional single-plane jet perforator
单面定向聚能弹射孔器
expendable-retrievable gun
可回收的消毁式射孔器
retrievable through-tubing perforator
可收回过油管射孔器
hydraulic gun release sub
射孔器水力丢手接头
expendable through-tubing perforator
消毁式过油管射孔器
cased and perforated productivity
下套管射孔井的产能
automatic gun release sub
射孔器自动丢手接头
aluminum link capsule gun
连杆式铝质弹壳射孔器
Models to Estimate the Productivity of Horizontal Wells and Their Application to Optimization Designs on Segmented Perforations;
射孔水平井产能模型及分段射孔优化设计
Study on Annulus Pressure Distribution after Perforation of Composite Perforators
复合射孔器射孔后环空压力分布试验研究
Experimental Study on the Law of Jetting Boost Pressure in Hydrajetting
水力喷射孔内射流增压规律试验研究
gravelsand filled perforation tunnel
被砾石与地层砂混合物充填的射孔孔道
FEM for a type drilling-perforating casing with screw holding in open hole completion
裸眼完井螺旋钻孔-射孔套管的有限元分析
Plastic injection mould, coolant passages, eject pin and electrical heating holes.
塑胶射出模具–却水孔、梢孔及电热孔.