Mechanical stage collar

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  • The compact, simple design minimizes the number of moving parts, which provides a reliable stage tool
  • Clear opening and closing indicators at the surface enable safe and efficient operations
  • Circulating pressures are not limited by the stage tools because the tools are only activated by the opening cone
  • The locking and anti-rotation devices accelerate drill-out and save costly rig time

Description

   
Mainly specification
Size(in) 5-1/2" 7” 9-5/8"
Length,mm 700 720 760
MAX.O.D,mm 168 210 282
Opening pressure,MPa 6-8 6-8 6-8
Closing pressure,MPa 8-10 8-10 8-10
Open sleeve I.D,mm 87.31 114.3 190.5
Drill-out I.D,mm 123.03 157.48 218
Length of closing plug,mm 267 273 280
MAX. O.D of closing plug,mm 135 169.86 236
Length of opening plug,mm 312.74 381 470
Length of first stage plug,mm 391.32 422.26 383
MAX.O.D of first stage plug,mm 139.7 173.83 235
Shut-off baffle I.D,mm 71.12 77.44 165.6
Shut-off baffle O.D,mm 153.67 200.03 237
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