
Cementable sleeves for safe, high‑conductivity, non‑explosive horizontal well completions
The Dyra‑Valve™ System is ANVEY’s advanced cementable sleeve technology engineered for modern horizontal wells where safety, precision, and formation protection are essential. Installed as part of the casing or liner and cemented at strategic measured depths, Dyra‑Valves™ eliminate the need for perforating guns and the formation damage associated with shaped‑charge perforations.
Each sleeve contains engineered flow slots manufactured from special alloys with intelligent protective coatings, delivering twice the flow area of conventional wireline or CT perforations. This ensures superior connectivity, reduced skin, and improved long‑term productivity.
Activation is performed using the Uniserve™ tool, deployed on coiled tubing. The tool locates each sleeve using a casing‑collar locator, anchors inside the Dyra‑Valve™, and uses annulus pressure to shear screws and shift the internal mandrel—cleanly exposing the flow slots. If a sleeve refuses to open, the integrated hydra‑jet system creates perforations instantly, ensuring stimulation or production can proceed without delay.
The Dyra‑Valve™ System is the ideal choice for operators seeking a safer, cleaner, and more efficient alternative to plug‑and‑perf, enabling multi‑stage stimulation with fewer risks, fewer trips, and significantly lower operational complexity.
Right Candidate for Dyra‑Valve™ Horizontal Completions
The Dyra‑Valve™ + Uniserve™ system is the right fit for wells that require:
Well Types
Operational Conditions
Reservoir / Formation Conditions
If a well needs safe, repeatable, non‑explosive, high‑conductivity access to the reservoir, Dyra‑Valve™ is the ideal candidate.
A safer, smarter, and more productive alternative to perforating guns
1. Zero explosives — maximum safety
No shaped charges, no explosive logistics, no surface risk.
2. Cementable sleeves for perfect zonal placement
Run with casing/liner and cemented exactly at target depths.
3. High‑conductivity flow paths
4. Formation‑friendly access
No crushed zone, no compaction, no perforation debris.
5. Uniserve™ activation — simple and reliable
Locate → Anchor → Apply annulus pressure → Shear screws → Shift mandrel → Expose slots.
6. Hydra‑jet backup for guaranteed access
If a sleeve doesn’t open, hydra‑jet perforation ensures the stage is still completed.
7. Real‑time zone control
Dyra‑Valves™ can be opened or shut anytime for selective production or stimulation.
8. Lower completion and workover cost
Fewer trips, no guns, no plugs, no debris management.
9. Ideal for horizontal wells
Slim, robust, cementable design for long laterals and high‑deviation sections.
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