TIE-BACK SEAL NIPPLE
The tie-back seal nipple is a special cementing device for tieback liner operation.
1. Designed with the guide shoe and circulate bore, it can stab into PBR before cementing, avoid trouble happens when common tie-back seal nipple stab into PBR after cementing.
2. With its streamline shape, the guide shoe can stab into PBR smoothly.
3. Groups of high temperature resistance and corrosion resistance seals provide effective sealing. Effective sealing length is 1.2m.
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