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.
Hiển thị nhiều hơn
What's new in the latest 1.0
Last updated on Apr 28, 2014
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Download APK on Android with Free Online APK Downloader - APKPure
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