Today, we would like to distribute the new update drilling formula version 1.3.

It is still totally FREE !!!.

What new drilling formulas are added into the drilling formula version 1.3?

Effective Viscosity

Hydraulic Horse Power (HPP)

Optimum Flow Rate for basic system

Power Law Constant

Pressure Loss Annulus

Pressure Loss Annulus With Tool Joint Correction

Pressure Loss Drillstring

Pressure Loss Drillstring With Tool Joint Correction

Pressure Loss in Surface Equipment

Reynold Number

How many total useful drilling formulas in this version?

There are a total of 87 formulas which are divided into 7 categories (Applied Drilling Formulas, Basic Drilling Formulas, Directional Drilling Calculation, Drilling Fluid Formulas, Engineering Formulas, Hydraulic Formulas and Well Control Formulas).

This is the second up date of drilling formula spread sheet, Drilling Formula Excel Sheet Version 1.2.

Drillingformulas.com distributed the first version of drilling formula spread sheet on 28 March 2011 and another update on 18 May 2011. The calculation sheet has been downloaded over 8,300 times around the world since the fist distribution.

Today, the lasted up date of drilling formula spread sheet, Drilling Formula Excel Sheet Version 1.2 is available for you to download. It is still totally FREE !!!.

What new drilling formulas are added into this version?

Cutting Slip Velocity Method#1

Cutting Slip Velocity Method#2

Surge and Swab Pressure Method#1

Surge and Swab Pressure Method#2

Total Flow Area Table

Calculate Influx Height

Hydrostatic Pressure Loss Due to Gas Cut Mud

Kill Weight Mud

Maximum pit gain from gas kick in water based mud

Maximum Surface Pressure from Gas Influx in Water Based Mud

How many total useful drilling formulas in this version?
There are a total of 75 formulas which are divided into 7 categories (Applied Drilling Formulas, Basic Drilling Formulas, Directional Drilling Calculation, Drilling Fluid Formulas, Engineering Formulas, Hydraulic Formulas and Well Control Formulas).

How much will it cost?

Nothing. The spread sheet is totally FREE for everybody.