價格：免費
更新日期：2014-04-28
檔案大小：259k
目前版本：1.0
版本需求：Android 2.2 以上版本
官方網站：http://www.oil-shop.net
Email：hipockt@gmail.com
聯絡地址：PO Box 02-5648 Miami Florida 33102-5648
This small app calculates the amount of weight needed in the drill collars to have the required weight for WOB while drilling to prevent drill string buckling.
This app has been tested on several different smart devices.