價格：免費
更新日期：2013-10-13
檔案大小：280k
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
TVD - True Vertical Depth. Enter your angle of last survey, measured depth of last survey, TVD of last survey, measured depth of new TVD and obtain the calculated TVD for the present measured depth.
This small calculator is used mainly while drilling.
Enter Data and scroll down to buttons and derived information. I have tested this on several Android devices.