Tendeka completes Cascade3 field trial with major operator 

July 20, 2018

Press Release

Tendeka completes technology field trial with major operator to improve performance of deepwater Gulf of Mexico assets

– Cascade³ sand control system developed to extend well life and prevent damage from injection shutdowns  

 To improve and control flow in water injection wells, independent global completions service company Tendeka has completed a successful field trial with a major operator to test its latest sand control technology Cascade³. 

 Cascade³ is a well screen and flow control completion system which uses intrinsic check-valves built into the lower completion to prevent sand production caused by adverse flow conditions, such us back-flow, cross-flow and water-hammer, during shut-ins. The tool features a high-density array of non-return valves to allow for high injection rates with low back pressure. 

 The project was initiated in 2014 by the operator in partnership with Tendeka to develop a trusted and cost-effective solution to increase the life expectancy of water injection wells and improve oil production and recovery.  

 Tendeka’s Chief Technology Officer, Annabel Green said: “The overall objective of Cascade³ is to prevent the production of sand into the well bore in water injection wells. Conventional sand control techniques are often not effective in the transient conditions that exist when injection pumps are shut-down, and many injector wells can suffer a loss of injectivity due to sand fill. Deploying Cascade³ not only eliminates this failure mode but it also means that more expensive gravel packing solutions are not required.”   


 To observe and test the valves the completion was configure with tubing and annulus memory gauges and a sliding sleeve to enable the Cascade³ assembly to be bypassed to provide a baseline performance.  

 During the field trial, the checking functionality of the non-return valves was demonstrated and multiple rapid shut-in events were carried out. Data collected during the trial confirmed the correct operation of the system and that the non-return valves had no detrimental effect on injection performance. 





The number 3 with flowing water on black background