Swellable packer PN
Main Features and Benefits
- Ability to adapt to changing wellbore profile;
- Self-healing;
- Ensures long-term sealing due to delayed mechanical stiffening;
- Size and composition of swelling element are determined by downhole conditions;
- No moving parts;
- No setting tool required;
- Up to 20-day swelling delay;
- Chemical resistant;
- Cable feed-through option.
- Threads TMK UP FMT, TMK UP PF, TMK UP GF, VrTZ1, VrTZ 2, OTTG, OTTM and others;
- Casing size – 3 ½, 4, 4 ½, 5 ½, 5 ¾, 6 ⅝ in;
- Maximum differential pressure - 14 500 psi;
- Swelling temperature range - 32-392 °F
- Service application with H2S exposure;
- Available design:
- PN-R — bonded-to-pipe swellable packer, bonded directly onto the basepipe (before running-in);
- PN-T — slip-on swellable packer, slips onto the completion tubing.
- Internally nitrided components are case-hardened, durable and corrosion-tolerant to resist fracturing fluid.