Downhole packer elements are elastomeric seals integral to packers, providing zonal isolation in oil/gas wells by sealing the annulus between tubing and casing/openhole. They enable controlled production, injection, fracturing, and abandonment while withstanding HPHT (15,000+ psi, 200-300°C+), corrosive fluids (H2S, CO2, brines), and mechanical stresses.
Why Critical? Failure via extrusion, RGD cracking, or degradation causes crossflow, blowouts, or lost zones, costing millions in remediation. Robust elements ensure well integrity and longevity.
Types: Permanent (life-of-well, milled out), retrievable (mech/hydraulic/wireline set for reuse), swellable (fluid-activated for openhole).
Design Features: Multi-element stacks (2-4 elements) with varying durometers (70-95 Shore A) for uniform contact/seal. Anti-extrusion backups: PEEK/PTFE rings, metal mesh/springs. Custom profiles minimize gaps, optimize deformation.
Testing & Standards: API Spec 11D1/ISO 14310 V0 (highest validation: qual + field proof). Elastomers per NORSOK M-710/ISO 23936-2: RGD (gas saturation at 150-300 bar/100-200°C, 10+ cycles, damage rating ≤3), H2S aging (hardness ±10, swell <25%), extrusion (ΔP to failure), compression set (<25% at temp), HPHT seal cycles.
ngers, bridge plugs for completion, frac, intervention. Benefits: High expansion (20-40%), abrasion resistance, reduced downtime, compliance for deepwater/HPHT wells.
In summary, advanced packer elements blend material science and engineering for reliable downhole sealing, driving efficient hydrocarbon recovery.
For more details Visit us:https://globalsealstech.com/
+65 8511 5827
Email :sales@globalsealstech.com