simple yet reliable technology

PBL® Patented Technology

Proven Solution For Your Drilling Challenges

The PBL® Multiple Activation Bypass System stands as the premier circulating sub in the industry, designed to optimize operational efficiency through its straightforward yet dependable technology. This innovative system directs 100% of the flow through side ports into the annulus, allowing for elevated circulation rates and enhanced total flow area (TFA).


The PBL tool effectively tackles a variety of drilling challenges, including:

  • Displacing significant amounts of LCM and cement to remedy fluid loss to the formation without requiring pulling out of hole.
  • Enhancing hole-cleaning capacity by increasing annular velocity, especially in constrained circulation rates or low annular velocities.

Our patented technology ensures maximum efficiency across a diverse array of operations, encompassing drilling, completion, workover, through-tubing, and decommissioning.


With its proven track record, the PBL® tool emerges as a versatile solution for refining drilling operations and surmounting prevalent challenges in the field.


The PBL® Multiple Activation Bypass System is engineered for optimal performance in extreme onshore and offshore environments, including high-temperature and high- pressure (HPHT) conditions.

Innovative Solutions for Extreme Conditions

PBL®: Unique Design Features