7" self fill-up type float collar float shoe
Key Features
1. Sizes from 5-1/2" to 20"
2. Single/Double Valve
3.Thread: LTC,STC,BTC and Premium thread
4. PDC Drillable
5. API Casing Grades: J55, K55, N80, P110, L80, etc
Types Available:
Single valve and double valve are available;
Spring structure valve and ball strucuture valve are available;
Insert type and normal type are available.
Non-rotating type and normal type are available.
