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.
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.
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