Technology Nowadays, most stage cementing comfort to ISO 14310 V3/V4 standard which is a hydraulic sealing standard. For gas well stage cementing, CFLEX ISO 14310 V0 gas tight stage cementing technology provides a mean to gas well gas tight stage cementing.  Both CFlex stage collar and SCT stage cementing tool strictly satisfy ISO 14310 V0 gas tight sealing
After stage cementing, no plug mill or wash out are necessary Depending on the leak zone and well condition, CFlex and SCT can be flexible configured to meet A. Above the leak zone, stage cementing from bottom to top B. Far above leak zone, stage cementing from top to bottom C. Section stage cementing |