open hole packer

例句：

1. 1. The open holepacker is used to create a newwell in the earth.
   开孔压裂器用于在地下创造一个新的井。
2. 2. The openhole packer was used to pump waterfrom the well.
   开孔压裂器被用来从井中抽水。
3. 3. The openhole packer is an essential tool fordrilling and completing oil and gas wells.
   开孔压裂器是钻井和完成石油和天然气井的必备工具。