Auto-fill float collar & shoe

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  • The auto-fill valve keeps open which allows the fluid to automatically fill the casing string when the operator runs the casing string into the bottom of the well
  • Reducessurge and damages to the weak zone
  • After the casing running operation, the auto-fill valve is converted from auto-fill mode to conventional check valve mode by pumping a larger flowing rate

Description

Mainly specification
Size(in) Max. O.D (mm) I.D. (mm) Flow path (mm) Back pressure (MPa)
5” 141.3 111 48 35
5-1/2" 153.7 121 48 35
7" 200.03 157 65 35
9-5/8" 269.88 221 65 35
10-3/4" 298.45 250 70 21
13-3/8" 365.1 319 70 21
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