Historic breakthrough marks the commercialization of surface-controlled electrically-set bismuth alloy barriers.
Electrically set
alloy barrier
More than two decades of research and testing proves that our barriers are capable of providing reliable sealing.

Unique Features
Wellstrøm is unique in utilizing electrical methods that deliver:
- Complete control of alloy placement
- Real-time downhole monitoring
- Reliable setting in challenging environments
- Creep-resistant and highly durable barriers
What our partners say
The successful installation of the two T-1000 bismuth plugs in the Barnett field marks a significant milestone. This outcome is the result of outstanding teamwork, thorough preparation, and a strong safety-first mindset. It’s been a pleasure to witness the One Team spirit in action, and we’re excited to follow the continued development of this promising technology.
Johan Kverneland
,
Lead R&D
P&A, TotalEnergies
This first deployment of the T-1000 technology is a remarkable achievement for all involved. From the initial planning to flawless execution on a live well, every challenge was met with professionalism and determination. We are proud to have supported this project and I look forward to following the continued success of this innovative decommissioning solution.
Fabrice Soldo
,
R&D Principal Engineer
Wells P&A, TotalEnergies