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可在安卓獲取Drill Collar Wt. vertical hole的歷史版本
DCollar重量為縱孔
This little app is used to calculate the amount of drill collar weight required to obtain a desired weight on bit when drilling a vertical hole. The app has been tested on several android smart devices.最新版本1.0更新日誌
Last updated on 2014年04月28日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
翻譯中...
Drill Collar Wt. vertical hole
1.0 by Norm Greenwood
2014年04月28日
$4.99