During drilling, the non-rotating stabilizer transfers the torque by means of mandrel. The rubber sleeve is sliding and moving relative to the mandrel and it plays a role in stabilizing the well. A locking clutch (self-locking lower sub) will help to avoid sleeve rotation during washover operation.
When ordering please specify
● Casing size and weight;
● Hole size or required blade O.D.;
● Top and bottom connections.