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The technique known as Stab-In Float Collar and Shoe represents an innovative approach utilized for cementing large diameter casings during drilling operations. This method requires directly inserting the drill pipe into the Float Shoe or Collar, while pumping cement through the drill pipe until it reaches the surface. To ensure the proper placement of cement, a wiper dart can be utilized to displace the cement to the bottom of the drill pipe. Once this process is completed, the drill pipe is lifted, circulated to ensure even cement distribution, and eventually removed from the wellbore.
It is crucial to point out that when implementing the Stab-In Float Collar and Shoe technique, large plugs are mandatory to separate the cement from the mud. Both the plugs and any cement present in the casing should be drilled out. This particular technique is designed explicitly for the cementing of large diameter casings that are lowered using drill pipes. Due to the substantial volume displacement associated with these casings, significant attention must be paid during the cementing process.
|
Specification (in) |
O.D. (mm) |
Total Length |
I.D. (mm) |
Min.Dia. (mm) |
Connection Type | Working Pressure | |
| Float Collar | 5" | 141.3 | 500 | 110 | 50 | BTC/LTC/BCSG | 35 |
| 5 1/2" | 153.67 | 530 | 112 | 55 | BTC/LTC/BCSG | 35 | |
| 7" | 194.46 | 586 | 162.5 | 77 | BTC/LTC/BCSG | 35 | |
| 9 5/8" | 270 | 720 | 225 | 77 | BTC/LTC/BCSG | 35 | |
| 13 3/8" | 365 | 720 | 319 | 77 | BTC/LTC/BCSG | 35 | |
| 20" | 533.4 | 720 | 475 | 77 | BTC/LTC/BCSG | 35 | |
|
Float Shoe |
5" | 140.3 | 495 | 110 | 50 | BTC/LTC/BCSG | 35 |
| 5 1/2" | 153.67 | 514 | 112 | 55 | BTC/LTC/BCSG | 35 | |
| 7" | 194.46 | 533 | 162.5 | 77 | BTC/LTC/BCSG | 35 | |
| 9 5/8" | 269.88 | 550 | 225 | 77 | BTC/LTC/BCSG | 35 | |
| 13 3/8" | 339.7 | 550 | 319 | 77 | BTC/LTC/BCSG | 35 | |
| 20" | 534 | 652 | 475 | 77 | BTC/LTC/BCSG | 35 | |
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Main Product:
Sucker Rod Pump ,
Pump Unit,
Pump Jack,
Wellhead Installation,
Cementing Head,
Casing Centralizer
