High Temperature Resistant Stab-in Float Collar, Stab-in Float Shoe
Stab-in float shoe and float collar have the features of high-temperature, good sealed, drillability and connecting easily. It is used in general technical casing and oil-string casing, also used in deep well, extra deep well and special technology well.
Stab-in float shoe belongs to inner string cementing range. It consists of shell, cement, self-motion grout valve, stab-in sub, O ring and stab-in pipe carrier. Its structure and operating principle are same to casing float shoes. Its feature: cementing in big diameter casing, through drill pipe inserts into the stab-in pipe carrier of stab-in shoe to achieve well cementing, This method can reduce wasting cement and avoid in using big diameter plugs in general cementing well, in order to achieve goal of economic and efficient.
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Specification
| Casing Size |
Stab-in Float Shoe |
Stab-in Float Collar |
Connection |
OD
mm (inch) |
OAL
mm (inch) |
OD
mm (inch) |
OAL
mm (inch) |
| 13 3/8'' |
365 (14 3/8) |
715 (28 1/8) |
365 (14 3/8) |
840 (33) |
13-3/8 BCSG |
| 16'' |
432 (17) |
715 (28 1/8) |
432 (17) |
830 (32 11/16) |
16 BCSG |
| 20'' |
533 (21) |
780 (30 3/4) |
533 (21) |
840 (33) |
20 BCSG |
| 24'' |
610 (24) |
915 (36) |
|
|
Welding type |
Stab-in Sub Specification
| Casing Size |
OD
mm (inch) |
ID
mm (inch) |
OAL
mm (inch) |
Connection |
| 13 3/8'' |
Φ171.5 (6 3/4) |
Φ51 (2) |
450 (17 23/32) |
NC50 |
| 20'' |
Φ162 (6 3/8) |
Φ51 (2) |
450 (17 23/32) |
NC50 |
