Worldwide service

DSI is the specialised leader in downhole bypass tool technology and is able to cater to service customers‘ needs worldwide.

A company of Schoeller-Bleckmann

About DSI

We have a very clear focus – the PBL Multiple Activation Bypass System is our core solution. It is not just one product among many in the portfolio. Our product specialisation together with our experience, gained over 20 years of supplying the PBL Multiple Activation Bypass System, gives DSI unprecedented technical knowledge and expertise. For our customers, this means increased security and reliability when it comes to applying our products and services. In addition, we can access the global network of Schoeller-Bleckmann Oilfield Equipment AG.

About DSI 1

Get in touch

We are available to meet at any time in order to discuss your applications and drilling problems, providing you with custom solutions.


PBL Case Studies

DSI PBL® Bypass System saves thousands of dollars on rig NPT to operator, by allowing LCM and cement pumping in a DW well – Cuenca Salina basin in Mexico

PBL Case Studies

DSI PBL® Bypass System requested to be used for a Split Flow Application, successfully delivered Lost Circulation Material

PBL Case Studies

PBL® Bypass System Saves Time and Money for a Major Norwegian Operator During Coring Operations