Listing ID #4203932
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Contact SupplierStab-In cementing is an improved method for cementing large diameter
casing. Conventional methods require excessive amounts of cement to
ensure cement circulation to surface because of open hole volume, losses
to the formation, or mud displacement efficiency that cannot be
determined with sufficient accuracy. In addition, large plugs must be used
to separate the cement from the mud and have to be drilled out, along
with any cement in the casing. With stab-in cementing, the Drill Pipe is
stabbed directly into the Float Shoe or Collar and cement is pumped
through the drill pipe until returns reach surface. Cement is then displaced
to the bottom of the Drill Pipe — a wiper dart can be used. The drill pipe is
then picked up, circulated, and pulled out of the hole.