Recommended practice for petroleum and natural gas industries—Drill stem design and operating limits
IDT API RP 7G:998第16版
全国石油天然气标准化技术委员会
本标准不仅包括钻柱组件的选择，而且还考虑了井斜控制、钻井液、钻压和转速，以及其他操作程序。
This standard is the original Chinese electronic standard. If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com. After you successfully purchase, we will send the electronic version of this standard to your email address
