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Pre-packed Screens: Dual High-Efficiency Sand Control for Complex Formations

Pre-packed screens are composed of a perforated base pipe, inner and outer wire-wrapped screens of different diameters, and an intermediate filter media layer, featuring a compact and precisely engineered design.

As a standalone sand control device, it is an optimized upgrade of the traditional wire-wrapped screen with a pipe base. Featuring a modular pre-packed sand design, it is especially suitable for complex formations where conventional gravel packing is ineffective. It is widely applied in oil, gas, and water wells, providing stable and reliable sand control performance.

Pre-packed screen made of stainless steel

Pre-packed screens

Structure

The pre-packed screen features a five-layer composite structure (from inside to outside):

  • Perforated base pipe. API standard perforated pipe, providing primary structural support.
  • Support rib. Manufactured from 316L stainless steel strip, cold-rolled and continuously wound at a 60° helical angle.
  • Inner screen. Fine wire-wrapped screen with support rods to prevent gravel migration and ensure uniform fluid distribution.
  • Gravel pack. Gravel densely packed through vibration filling.
  • Outer screen. High-precision wire-wrapped screen and spiral support rods provide the first stage of coarse filtration.
Structure diagram of pre-packed screen

Structure diagram

Specifications

  • Materials
    • Stainless steel 304
    • Stainless steel 316L
    • Low carbon steel
    • Special alloys (e.g., Monel 400)
  • Base Pipe
    • O.D.: 1.900" – 5.000"
    • I.D.: 1.61" – 4.41"
    • Weight: 2.75–15.00 lbs
    • Coupling O.D.: 2.200" – 5.563"
  • Gravel Pack Thickness: 0.144"
  • Perforations
    • Size: 3/8"
    • Holes/ft: 84–168
  • Screen
    • O.D.: 2.720" – 5.820"
    • Cylinder area: 102.49–219.30 in2/ft
    • .006 GA inlet area: 6.46–13.82 in2/ft
Table 1: Pre-packed Screen Specifications
Serial Number Base Pipe Gravel Pack Perforations Screen
O.D. I.D. Weight Coupling O.D. Thickness Size Holes/ft O.D. Cylinder Area 006 GA Inlet Area
in in lbs in in in - in in2/ft in2/ft
PPS-1 1.900 1.61 2.75 2.200 0.144 3/8 84 2.720 102.49 6.46
PPS-2 2.063 1.75 3.25 2.500 0.144 3/8 84 2.883 108.63 6.84
PPS-3 2.375 1.99 4.60 2.875 0.144 3/8 96 3.195 120.39 7.58
PPS-4 2.875 2.44 6.40 3.500 0.144 3/8 108 3.695 139.23 8.77
PPS-5 3.500 2.99 9.20 4.250 0.144 3/8 132 4.320 162.78 10.26
PPS-6 4.000 3.55 9.50 4.500 0.144 3/8 144 4.820 181.62 11.44
PPS-7 4.500 4.00 11.6 5.000 0.144 3/8 156 5.320 200.46 12.63
PPS-8 5.000 4.41 15.00 5.563 0.144 3/8 168 5.820 219.30 13.82

Features

  • Dual sand control mechanism. Composite design of double-layer screens and gravel pack enhances sand control efficiency.
  • Outstanding anti-clogging performance. Wedge wire structure prevents clogging and extends its service life.
  • Reduced completion cycle. Pre-packed design eliminates the need for downhole gravel packing operations, streamlining the process.
  • Adaptation to complex well conditions. The gravel packing material offers excellent compaction performance and high permeability, enabling it to address high-permeability formations and variable downhole environments.

Applications

  • Residential wells: It prevents sediment and particulates from entering the well, ensuring clean water quality and extending the service life of the well.
  • Irrigation wells: It effectively blocks sand and silt, preventing particulates from entering the irrigation system, protecting pumps and pipeline equipment, and enhancing irrigation efficiency.
  • Water supply wells: It provides reliable sand control, prevents bacteria and contaminants from entering the water supply system, and ensures water quality safety.
  • Oil and gas wells: It optimizes completion operations to ensure stable production under complex well conditions and enhance oil and gas recovery efficiency.
  • Geological formations: It is particularly suitable for formations prone to sand particle generation, effectively preventing sand blockage in the wellbore and maintaining unobstructed fluid flow.

Gallery

Pre-packed screen with threaded connection

Threaded connection

Pre-packed screens with wedge wire structure placed on a cardboard box

Wedge wire structure

Pre-packed screens in wooden crate packaging

Wooden crate packaging

Pre-packed screens transported by truck

Truck transportation

Get In Touch

Just tell us your requirements and your problems, we will help you solve them. Our professional sales representatives will provide you the suggestions of sand control screens and applications.

+86-318-80872546 sales@goldoxwiremesh.com

# 155 Tianjin Road Rizhao City, Shandong Province, China.

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