DSI is the specialised leader in downhole bypass tool technology. Our product specialisation combined with our experience, gained over 20 years of supplying the PBL Multiple Activation Bypass System, provides DSI with unprecedented technical knowledge and expertise. For our customers, this means increased security and reliability when it comes to applying our products and services. With offices in Europe, Africa, the Middle East, Asia and the Americas, DSI is able to cater to service customers’ needs worldwide. We are available to meet at any time in order to discuss your applications and drilling problems, providing you with custom solutions. The business of DSI FZE dates back to 1988 with the first introduction of the PBL circulation tool. The patented PBL technology is simple yet ingenious. As the original fluid bypass solution, it offers significant technological and safety advantages, especially in terms of functionality, flexibility and reliability. Product line: - PBL Multiple Activation Bypass System - Booster Tool - Multi Activation Jetting Tool - Sliding Sleeve Big Bore System