SIBBURMASH Group of Companies

Activation Landing Sub

A metal body with an installed sleeve that houses a shear seat.
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Advantages

  • enables equipment activation and circulation restoration for subsequent continuous cementing;
  • emergency activation with a larger-diameter ball is possible;
  • a retainer to hold the ball;

Specifications

  • differential pressure rating: up to 35 MPa
  • internal-parts material: easily drillable metal
  • total circulation flow area: from 380 mm²
  • size range: 102/146; 114/168(178); 127/178; 140/168(178, 194, 219); 146/219(245); 168(178)/245; 194/245(273)

Application area and experience

The activation landing sub is designed to activate the liner hanger, seat the ball in the seat, and land the liner-wiper and pump-down plugs in the receiving socket (sleeve) with subsequent locking; landing of the liner-wiper and pump-down plugs serves as a “STOP” signal.