Rigmanufacturer

YFZ-A STAGE CEMENTER

Features:

  • The internal-closing structure and non-rotating closing sleeve design
  • eliminate the possible damage to the closing sleeve when drilling out accessories.
  • The pressure-relief design eliminates fluid trapping and compression which might occur while opening and closing the side ports.
  • All accessories are non-rotating and made of easily drillable materials.
  • A pump-down opening plug instead of a free-fall opening plug can be used for a continuous two-stage cementing operation.

Technical parameters

Specifications 13 3/8" 10 3/4" 9 5/8" 7 5/8" 7"
Overall Lenght ,mm 1211 1211 1170 1140 1140
Max O.D. ,mm 384 310 282.5 230 208
Min I.D. ,mm 315 252 220.5 174.2 157
Opening Pressure ,MPa 7
Closing Pressure ,MPa 5
Stage cementer