Updated. Added more than 250 oilfield calculators Aims of this application to make ease the life of Oilfield specialist and Petroleum, Mud Engineers by providing correct hand calculations. Drop Across a Choke or Orifice-Bit Nozzle Pressure Loss-Estimating Gas Well Flow Rates-Area of a Circle -Force & Pressure-Weight of Spiral Drill Collar-Buoyancy Factor (BF)-Surface & Bottom Hole Pressure in Full Gas Column-Pipe Elongationand more formulasAlso this app has:-Coiled Tubing Stretch Table -Mud Weights properties-Acronyms & Abbreviations-Conversion Factors -Constants-Drillpipe capacity and displacement-Drill Collar Capacity and displacement-Casing Capacity-Hole Capacityand more informationGood Luck in Your Job Other best oilfield apps in App Store: - OilField iHandbook;- OilField Dimensions Data;- OilField Wallpapers;- OilField DHT tools;- Well Cementer Tool;Follow us on Twitter: twitter.com/OilFieldApps