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ROTATING DISC DRILLING CHOKE

ROTATING DISC DRILLING CHOKE

ROTATING DISC DRILLING CHOKE
Shreeraj introduce Drilling Choke with rotating disc design in current
product range, having been supplied to drilling, production and various
other applications since 1972. Building upon extensive field
experience, Shreeraj offers the Rotating Disc Drilling Choke for drilling
services.
Available in 3” normal size
Working Pressure : 10000 psi and 15000 psi as standard

FEATURES AND BENEFITS

  • Disc-type trim design features a 180 degree rotation from open to close
  • Half-moon (or D-shaped) flow area for drilling applications gives accurate control
  • Disc components are made from solid tungsten carbide for maximum durability and may also be rotated in the reverse direction, giving what amounts to a new set of controlling faces, which extends the service life
  • Highly resistant to blockage by allowing large solids to pass through
  • Precise diamond-lapped discs are within two light bands of flatness, ensuring reliable shut-off Performances
  • Differential pressure across the trim provides a strong retention force between the two discs, ensuring Accurate flow rate & reducing the risk of trim vibration
  • Wiping action keeps disc surfaces clean, reducing trim wear and deterioration
  • The choke outlet spool has a replaceable outlet wear sleeve
  • Available in hydraulically & manually operated configurations
  • Actuated configuration with a pneumatic pressure-type position indicator as standard

DRILLING CHOKE

Shreeraj’s Drilling Choke product range consists of two main choke type, needle and seat type and the rotating disc type. These chokes control the pressure in the well bore during drilling, circulate out and kicks of gas encountered during drilling and prevent loss of well control by maintaining a satisfactory column of drilling mud. With several options and configurations, Shreeraj’s drilling chokes offer proven performance within diverse drilling applications on a global scale.

FEATURES

  • Standpipe pressure gauge
  • Hydraulic pressure gauge
  • Actual choke position gauge(s)
  • Ring air pressure gauge
  • Choke manifold pressure gauge
  • Manual choke control levers
  • Pump stroke counter

DRILLING CHOKE CONTROL PANEL

Shreeraj offers a range of drilling choke control panel to suit various choke types and configurations. The control panel are comprised of a rugged stainless steel enclosure to withstand harsh environments. They require no calibration and little to no maintenance over an extended service life.

AVAILABILITY | ADDITIONAL SIZES AVAILABLE UPON REQUEST
FLANGE SIZE WORKING PRESSURE CASING SIZE A B C D
11” 3,000 8.5/8” 17” 10.1/8” 10.7/8” 8”
11” 3,000 9.5/8” 17” 10.1/8” 10.7/8” 9”
11” 3,000 10.3/4” 16” 10.1/8” 10.7/8” 10”
11” 5,000 8.5/8” 17” 10.1/8” 10.7/8” 8”
11” 5,000 9.5/8” 17” 10.1/8” 10.7/8” 9”
11” 5,000 10.3/4” 17” 10.1/8” 13.1/2” 10”
13.5/8” 2,000 11.3/4” 17” 10.1/8” 13.1/2” 11”
13.5/8” 2,000 13.3/8” 17” 10.1/8” 13.1/2” 12.1/2”
13.3/8” 3,000 11.3/4” 17” 10.1/8” 13.1/2” 11”
13.5/8” 3,000 13.3/8” 17” 10.1/8” 13.1/2” 12.1/2”
13.5/8” 5,000 11.3/4” 17” 10.1/8” 10.7/8” 12.3/8”
16.3/4” 2,000 13.3/8” 17” 10.1/8” 16.5/8” 12.1/2”
16.3/4” 2,000 16” 19” 10.1/2” 16.5/8” 15.1/4”
16.3/4” 3,000 13.3/8” 20” 10.5/8” 16.5/8” 12.1/2”
16.3/4” 3,000 16” 20” 10.5/8” 16.5/8” 15”
21.1/4” 2,000 18.5/8” 20” 10.1/4” 20.1/8” 18”
21.1/4” 2,000 20” 20” 10.1/4” 20.1/8” 19”
20.3/4” 3,000 18.5/8” 23” 15” 20.1/8” 18”
21.1/4” 3,000 20” 23” 15” 20.1/8” 19”
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