API Plug In Type Float Shoe Collar PDC Compatible NR Top L80
API Plug-in Type Float Shoes & Float Collar PDC Compatible NR Top L80
1. Features:
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The Auto Fill Cement Float shoe & Collar permits the casing to fill automatically while being run into the hole.
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The circulation may be established at any times during casing running.
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From this point, like Differential Fill-up Collar, this Auto Fill Cement Float Collar acts as conventional Floating Equipment.
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This is especially suitable for liner jobs and sensitive hole conditions.
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The flapper type back pressure valve does not be operated until the drop ball is dropped or pumped down.
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Like Differential Fill-up Equipment type, the Collar is activated by the same ball.
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All Auto Fill Cement Float Collars are PDC drillable
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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 | |
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