DD HD lite app for iPhone and iPad
4.2 (
2062 ratings )
Education
Developer: Kowalchuk LLC
0.99 USD
Current version: 1.1, last update: 7 years agoFirst release : 31 Jan 2011
App size: 187.56 Kb
This program simulates how directional oil and gas wells are deviated and drilled using a positive displacement motor.