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API Plug-in Type Float Shoes & Float Collar PDC Compatible NR Top L80
1. Features:
The Auto Fill Cement Float shoe & Collar permits the casing to fill automatically while being run into the hole.
The circulation may be established at any times during casing running.
From this point, like Differential Fill-up Collar, this Auto Fill Cement Float Collar acts as conventional Floating Equipment.
This is especially suitable for liner jobs and sensitive hole conditions.
The flapper type back pressure valve does not be operated until the drop ball is dropped or pumped down.
Like Differential Fill-up Equipment type, the Collar is activated by the same ball.
All Auto Fill Cement Float Collars are PDC drillable
From this point, like Differential Fill-up Collar, this Auto Fill Cement Float Collar acts as conventional Floating Equipment
2. Material
2.1. Body: Seamless tube
2.2. Bore: Aluminum alloy
2.3. Seal: Rubber
3. Specification
Specification, mm | φ508 | φ473 | φ340 | φ245 | φ178 | φ168 | |
Positive pressure(MPa) | 30 | 30 | 30 | 30 | 30 | 30 | |
Reverse confined(MPa) | 35 | 35 | 35 | 35 | 35 | 35 | |
connection | LTC/BTC | LTC/BTC | LTC/BTC | LTC/BTC | LTC/BTC | LTC/BTC | |
Max OD(MM) | 534 | 508 | 365 | 270 | 195 | 189 | |
Total Length(mm) | Float Collar | 450 | 510 | 350 | 370 | 320 | 320 |
Float shoe | 650 | 745 | 515 | 500 | 416 | 416 |