Thru-tubing Remedial Screen

ThruRite™ remedial screen is deployed on coiled tubing, wireline, or as part of the production string and is capable of passing through existing tubing as small as 2.375 inches (603 mm). ThruRite screens are placed within failed conventional screens to extend well life, or deployed in wells originally completed without sand control to restore well productivity. ThruRite is also an effective intake screen for downhole pump protection.

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ThruRite is a specially designed MeshRite™ screen with compressed stainless steel mesh wrapped onto perforated pipe and covered with a perforated jacket. This protects the filter media and adds structural strength.

ThruRite Thru-tubing Remedial Sand Control

The Challenge

Formation characteristics and particle size distributions can vary significantly across long lateral wells. Attempting to accurately sample and analyze non-uniform sands and size conventional 2-D gap based screens is difficult, costly, and time consuming.

As well, the integrity of 2-D screens like wire wrap and slotted liner can be compromised when deploying into long horizontal sections. Improper gap sizing, physical damage, and plugging lead to erosion which allows sand production into the wellbore, often with catastrophic failure.

Traditional remedial sand control has been challenging because of the complex flow paths and fluid dynamics, as well as downhole space limitations.


The Solution

ThruRite screens, in standard-length sections of 3.28 or 6.56 ft (1 or 2 meters), can be connected to create any required continuous length. The 40% open flow area and 3000 Darcys initial permeability are similar to MeshRite, which has a proven track record in applications around the world. Its high initial permeability and porosity enable high production rates with a minimal drop in pressure. Very low pressure drops and a tortuous flow path through the screen fibres tends to dissipate energy and make these screens resistant to both plugging and erosion.

SPE Publications by Absolute Engineers

ThruRite Applications

  • Recompletion of vertical and horizontal wells that were initially completed without sand control
  • Remedial sand control in wells with failed conventional screens
  • To retain gravel in through-tubing gravel packs
  • Sand control in through-tubing stand alone screen applications
  • Below downhole artificial lift pumps
  • Multi-zone sand control
  • Thermal applications to 752 °F (400 °C)


Reduce Recompletion and Operating Costs

  • Reduce production problems associated with sand production
  • Flush connections pass through standard nipple profiles
  • Mechanically robust for use in long laterals

High Flow Capacity and Plugging Resistance

  • Fewer workovers and longer well life
  • Minimize the need for sand analysis and sizing in nonuniform formation sands
  • Increase pump run life

Improve Well Productivity

ThruRite is based on the same wool mesh fibres used in MeshRite. The compressed fibres form angular pore spaces ranging from 15 to 600 microns that are ideal for managing solids with a wide range of particle sizes. The unique 3-D pore structure facilitates particles forming stable bridges so sand that pack around the screen retains high permeability and does not plug the screen.

Extend Well Life

High permeability in the near well bore area and across the screen, as well as high plugging and erosion resistance are key factors in maximizing production and ensuring wells continue to produce reliably over time for full asset recovery.

The chart compares permeability test results for MeshRite and so called premium screens using different types of sand. MeshRite’s superior test results have been confirmed in field applications. Notice, five different grades of conventional premium laminated screen are required to cover the same range of sand sizes that are handled by MeshRite alone. Also, MeshRite, which is the foundation of ThruRite, offers higher flow capacity.


ThruRite Options Available

ThruRite joints have a flush outer diameter (OD), thereby preventing hang-ups on the internal components of completion equipment during installation. ThruRite is manufactured in three diameters that are smaller than normal tubing drift, so they will pass through the standard nipple profiles of the following tubing sizes:
  • 2.375 inch (60.3 mm)
  • 2.875 inch (73.0 mm) and 3.5 inch (88.9 mm) tubing
For wells with tubing sizes larger than 3.5 inches (889 mm), standard MeshRite sizes are available and will pass through.