Perforated Drill Pipe Screen
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Perforated Drill Pipe Screen Filters Impurities in Drilling Fluid

Perforated Drill Pipe Screen ,also known as drill pipe spill, features a tapered structure and is mainly used for drilling fluid filtration in petroleum geological drilling, serving to filter drilling fluid and protect MWD equipment and other downhole tools. During use, the drill pipe screen is connected below the kelly to replace the traditional saver sub. During the circulation of drilling fluid, impurities in the drilling fluid are filtered by the screen inside the sub, keeping the drilling fluid clean and preventing impurities from clogging the water holes of the drill bit.

A stainless steel perforated drill pipe screen
Specifications
  • Material: 304, 316, 316L
  • Hole type: Round hole
  • Drill pipe screen length: 1350 mm, 1342 mm
  • Drill pipe screen thickness: 3 mm, 5 mm, 7 mm
  • Joint size: φ73 mm, φ93 mm, φ103 mm, φ116 mm
A perforated drill pipe screen drawing with annotations
Table 1: Perforated Drill Pipe Screen Specifications
Item A B C D E F G
F-116 116 70 78 1350 1240 1220 35
F-105 103
F-93 93
F-73 73 55 59 1342 1232
Advantages
  • Improve drilling efficiency. By filtering impurities, effectively removing solid particles from the mud, ensuring smooth operation of the drill bit, thereby increasing drilling speed.
  • Protect equipment. Reduce wear and prevent impurities from damaging the drill bit and other equipment, extending their service life.
  • Maintain drilling fluid quality. Preserve the viscosity and flowability of the drilling fluid, ensuring good cooling and lubrication effects.
  • Reduce maintenance costs. Lower failure rates and reduce equipment failure frequency, thereby reducing maintenance and replacement costs.
  • Easy to maintain. Simple operation, designed for easy cleaning and filter element replacement, making the maintenance process efficient.
Application

Drilling