FlowMaster™ Drillpipe Flowback and Circulating Tool


Provides dependable management of drilling fluids during downhole operations


Applications

  • Circulating while tripping to condition hole or prevent string from becoming stuck
    • Recover fluid (flowback) while running self-filling type float equipment for casing, liner, or a tight bottomhole assembly
    • Apply pressure to expandable casing during expansion process to reduce expansion times
    • Circulate a liner to bottom (circulating on demand)
    • Pumping the drillstring out of the hole when barely balanced or underbalanced hole conditions exist to reduce tripping times



Features and Benefits

  • Extension and retraction of the tool is accomplished hydraulically via remote control panel
  • Provides a safe, non-restricted method of recovering flowback fluids as well as circulating on demand by sealing on the outer diameter of the drillpipe tool joints
  • Capable of sealing in a wide range of drillpipe classes using the same seal
  • Self-actuated, two-way mud saver valve limits mud spillage on the rig floor
  • Option to create a solid connection to support string weight by making up lower crossover to drillpipe during tripping operations
  • Stub acme on internal tool side of top and bottom connections facilitate efficient on-site changes to various connection types
  • Eliminates the need to make up drillpipe connections on each stand, reducing wear on the saver sub and drillpipe connections
  • Compact design enables the use of 15-ft (4.5-m) bails to eliminate unnecessary change of bails between operations
  • Eliminates the need for additional downhole equipment


Tool Description

The Weatherford FlowMaster drillpipe flowback and circulating tool can manage a wide range of pipe sizes with increased safety and efficiency while reliably facilitating the management of drilling fluids during circulation, flowback, and/or fill-up operations while running drillpipe, and landing casing or liner strings.


Specifications

Drillpipe size range

4 1/2 to 7 5/8-in. (114.3 to 193.7 mm)

Drillpipe connection (top of tool)

6 5/8 in FH

Maximum circulating pressure (seals engaged over tool joint)

5,000 psi (345 bar)

Maximum circulating pressure (crossover threaded into drillpipe string)

10,000 psi (690 bar)

Load rating*

Up to 1,500 tons (1,360,777 kg)

Maximum bi-directional torque*

150,000 lb-ft (203,372 N-m)

Maximum rotational speed

125 RPM

Maximum circulating flow

20 bbl/min (840 gpm)

Maximum backflow

10 bbl/min (420 gpm)

Maximum torque

150,000 ft-lb

Maximum tensile capacity

1,500 tons

Total tool length

59.5 in. (1,511.3 mm)

Total stroke length

24.5 in. (622.3 mm)

Weight

Tool: 2,888 lb (1,310 kg)
Tool and transport frame: 4,246 lb (1,916 kg)

*Depending on crossover connections used in the tool.

FlowMaster Drillpipe Flowback and Circulating Tool
FlowMaster Drillpipe Flowback and Circulating Tool

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