干井

他们不得不抽干井里的水。

They had to exhaust the water of the well .

地下水疏干井群优化设计的遗传算法

Genetic algorithm for the optimal designing of dewatering well locations

干井式温度校验器校准方法研究

Study of the Calibration Method of Dry - well Calibrator

闭环冷却干井潜水电机设计采用专利技术的自动冷却系统。

The Closed-Loop-Cooled dry-pit submersible motor design utilizes a patented cooling self-contained cooling system .

回顾用于提出导致干井的风险因素的方法。

Methods used to address the risk factors that can cause dry holes are reviewed .

“干井：不成功的商业冒险，尤指不产油的石油探井.”

" dry hole : an unsuccessful venture , especially an exploratory oil well that produces no oil . "

通过疏干井法施工，探索出一条经济合理降低地下水位的施工措施。

By construction method of dredging dried well , a construction way is sought , thus reduce water table economically .

安装后，安装商应该对每台完整的干井潜水泵系统进行现场测试。

After installation , a Field Test shall be performed by the installer on each completed Dry-Pit Submersible Pump System .

此外，对于所采用的材质制造工艺上有缺陷干井潜水泵，泵制造商应该提供和执行为期5年的分派材料保证。

Additionally , the Pump Manufacturer shall provide and administer a5-year , prorated materials warranty on the Dry Pit Submersible Pump against defects in materials and workmanship .

通过对假设疏干井群优化设计管理模型的计算，讨论了遗传算法在地下水疏干井群优化设计中应用的有效性和优越性。

By solving a hypothesis model of well location optimal design , the paper discusses the effectiveness and advantages of genetic algorithm in the designing of optimal dewatering well locations .

大池干井构造带的形成不仅在石炭系内形成了众多的裂缝，而且使背斜核部的孔隙度增高。

The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous , but also makes the porosity of Upper Carboniferous higher in the core of these anticlines .

介绍了国外油页岩地下开采方法、疏干井、加热井/生产井和监测井的分布，以及开采结束后环境的恢复治理方法。

The underground mining method from abroad and distribution of the dewatering wells , heater / producer wells and monitoring wells are introduced , in the meanwhile , the reclamation of the mining eares after the and of mining .