Experienced, innovative, and professional drill stem testing services since 1982.

About Us
Contact Us
Drill Stem Testing
Knowledge Center
News Releases
Our History
Our Locations
Our Mission
P.O.R.T.A.L. Login
Pricing Schedule
Services
The P.O.R.T.A.L. Advantage
Videos

#navigation ul li#nav_logo:hover ul#site_nav, #navigation ul li#nav_logo:hover ul.display { display: block; } setTimeout(function() { $(".notification_hide").fadeOut(); }, 5000); x

This site works best with Javascript enabled. Not all features will function without Javascript enabled.

Pricing Schedule

Kansas Effective October 1st, 2026

Oklahoma, Nebraska & Colorado Effective October 1st, 2026

© Diamond Testing, LLC
All Rights Reserved.
Diamond Testing, LLC
Connect
- Facebook