Aims of this application to make ease the life of Oilfield specialist and Petroleum, Mud Engineers by providing correct hand calculations. It is meant for Engineers,Specialist who are involved in Oil and Gas exploration and Drilling. This application is an essential supporting tool.

P.S.: Best way for correct calculation is the hand calculation.

-Capacities & Volumes for Downhole formulas
-Capacities & Volumes for Tanks formulas
-Pump Output & Rate
-Pump Press.Relationships
-Equivalent Circulating Density (ECD)
-Trip Calculations
-Pressure & Gradient
-Kill Sheet Calculations
-Kick Related
-Kick Related Engineering
-Volumetric Method calculation
-Lubricate & Bleed
-Bullheading Calculations
-Stripping/Snubbing
-Subsea
-Accumulator Sizing
-Mud & Cement
-Hydraulics
-Tripping Rules of Thumb
-Stuck Pipe
-Free Point & Stretch Estimates
-Estimating Temp. 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 Elongation
and more formulas...

Also 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 Capacity
and more information…

Good Luck in Your Job!!!