Simplified Handy application for Oil & Gas Correlations & Calculations. Must-have tool for all Oil & Gas Professionals and Engineers. Features : Casing, Tubing, Pipe Design, Cementing, Drilling Mudding, Drill Pipe, Mud Pumps, Reservoir Engineering, Rock-Fluid Properties, Mechanical Design, Formation Evaluation, Well Logging, Oil and Gas units, Oil Field units, Unit Convertor. iPhone/iPad app link : https://itunes.apple.com/us/app/oil-gas-calculations/id866175326?ls=1&mt=8