Performance Calculator

Grant Prideco Performance Calculator
The Performance Calculator allows you to create drill pipe, heavy weight drill pipe, and drill collar performance specifications.  See the Instructions below to start using this application.

Registering a MyNOV Account

 1.  Go to and create an account by clicking on Account Registration

 2.  Fill out the information needed for MYNOV Account Registration and then click Submit Registration. (Use your company email. Gmail/etc. will not be accepted)

 3.  Shortly, you should receive an email to verify your email address. Go back to , and Sign In, click MYNOV, and enter credentials that you set up in Step 2. 

 4.  You are now logged into MyNOV.



Requesting Access to Grant Prideco Software

 1.  Once logged into MyNOV. Click on the Applications button.

 2. Navigate to the Performance Calculator icon and then click on Request Access.

 3.  Your application will be reviewed. Subject to approval, you should receive an email indicating a successful software access request.

 4.  To access the software, click Account Details. Click on Performance Calculator



Using the Software

1. First, s elect the Product Type you want to configure: Drill Pipe, Heavy Weight Drill Pipe, and Drill Collar.

2.  Configure product by selecting the various values and when finished select the Next button.

3.  Enter in the user information and then select Submit Info .

4.  Performance Sheet will be sent to email account provided.



Performance Calculator Resources 

1. Reading Performance Sheets 

2. Improvements

3. FAQ's

4. Contact Us


Download the App

1. Desktop Version

2. Apple Store

3. Google Play


For visual step-by-step instructions:   Creating and Using Instructions for Performance Calculator (Visual) 

If you have any questions, contact Grant Prideco at

*Note: The online software does not generate graphs, but all information from the graphs is provided in tabular form. Please contact NOV GP if graphs are needed.    

User Agreement Below:

The user (the "User") acknowledges and agrees that the Performance Calculator (the "Site") is provided to User as a courtesy, free of charge to User, subject to the terms of this User Agreement.

User acknowledges that the technical information contained herein, including the product performance sheets and other information is for reference only and shall not be construed as a recommendation or technical advice. The User is fully responsible for the accuracy and suitability of its use of the information provided by the Site and NOV™ Grant Prideco™ ("Grant Prideco") does not assume any responsibility for the results obtained through the use of this Site. No express or implied warrantee are intended by Grant Prideco and are hereby disclaimed including the warranty of merchantability and fitness for purpose.  By using this Site, User aggrees to release Grant PRideco from an liability arising from or related to the User's use of this Site and further agrees to indemnify, defend and hold Grant Prideco harmless from an claims arising from or related to User's use of this Site.

WARNING: Drill pipe assembly properties are calculated based on uniform OD and wall thickness. No safety factor is applied. The information provided for various inspection classes and for various wear conditions (remaining body wall) is for information only and does not represent or imply acceptable operating limits. It is the responsibility of the User and the end user of the ultimate product to determine the appropriate performance ratings, acceptable use of the product, and to maintain safe operational practices, and apply a prudent safety factor suitable for the application. For API connections that have different pin and box OD’s tool joint ID refers to the pin ID. Per Chapter B, Section 4 VII of the IADC drilling manual, it is recommended that drilling torque should not exceed 80% of MUT.
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