During drilling cementing plug in wells located on carbonate crack reservoirs in the Tahe Oilfield, it is very difficult to complete such operation without failure because of irregular open hole diameter, extensively fractured formation, measured depth error, etc.
塔河油田碳酸盐缝洞型油藏在打水泥塞施工中,由于裸眼段井径不规则、地层缝洞发育、井深计量误差等因素影响,打水泥塞施工一次成功率很低。
Through analyzing limitation of traditional cementing plug technology in workover fields of petroleum industry,a new cementing plug without tubing string technology is developed after the experiments of mechanical bailing sand technology were successfully made.
通过分析石油行业修井作业系统传统打水泥塞施工工艺存在的技术缺陷 ,在机械捞砂工艺试验成功的基础上 ,开展无管柱打水泥塞技术的工艺研究。
Experiment of auto-watering dust precipitation equipments installment on No.1 line at regrinding workshop;
再磨车间1#线安装自动打水降尘装置试验
Feasibility Study on the production of carbonated water by brewery;
啤酒厂生产苏打水可行性研究
This paper from both theoretical analysis and practical experience,successfully to blast in weak strata consolidation、freezing layer and soft rock,the use of drilling water hole solved the difficulty in drilling hole,the use of PVC plastic pipe solved the difficulty of charge,the use of adjust detona.
本文从理论分析和实践经验相结合,成功地进行弱固结地层、冻结地层及软岩的爆破,采用打水眼解决了打眼的困难,采用PVC塑料套管解决了装药的困难,采用调整雷管的延期爆破时间和钻孔间排距,解决了因爆破冲击波造成炸药密度改变、感度降低造成的拒爆难题。