Tri-D FacsWax

Waxed Tri-D FacsRite Screen Behaves like Liner During Deployment; Screen During Production

Tri-D FacsWax™ is a FacsRite™ screen made with Tri-D Weave™ filtration media that has been factory treated with a wax coating to temporarily seal the filter media. The coating allows the sand control liner to be circulated or floated to depth, and prevents the filter media from being plugged while aiding in well clean up.

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Both standard FacsRite, and Tri-D FacsRite screens can be temporarily coated and sealed with a special wax treatment during the manufacturing process.

The coating is tailored to the formation conditions and temperature. After the well is completed, applying heat or solvents will melt or dissolve the wax coating and open up the filter media for production and/or injection.

The Challenge

Deploying conventional screens into long laterals is difficult due to increased torque and drag, risk of getting stuck, and permanent formation damage. Conventional screens generally lack the strength to push/rotate past tight sections. Adding a washpipe with seal assemblies to allow circulation through tight sections and cleanup of formation damage increases torque and drag, as well as rig time and completion costs.

Semi-consolidated or unconsolidated formations require aggressive drilling muds to prevent formation collapse but such muds plug conventional sand control screens.

Tri-D FacsWax
Tri-D FacsWax

The Solution

Sealing Tri-D FacsRite disks with wax allows the screen to be either circulated without a washpipe or floated to depth, thus reducing torque and drag. This is an important consideration for extended reach wells. The enhanced strength of Tri-D FacsRite allows additional pushing/rotation to get past tight sections.

Mud conditioning requirements are reduced because the disks are protected. After reaching TD the mud can be recovered for reuse and replaced with a completion fluid to minimize formation damage, making startup easier and quicker.

SPE Publications by Absolute Engineers

Tri-D FacsWax Applications

FacsWax builds on the proven sand control capability of FacsRite and Tri-D FacsRite™ to simplify liner deployment and well clean-up for the following applications:

  • SAGD and thermally stimulated wells
  • Remediation of wells with failed sand control systems, as FacsWax can be circulated to total depth of the original completion
  • Open hole horizontal, deviated, and vertical wells in semi-consolidated or unconsolidated formations require aggressive drilling muds to prevent formation collapse, but such muds will plug conventional screens
  • Injection wells where maximum open flow area and efficient sand control is required

Benefits

Cost Savings

  • Save rental and service costs on circulation string assembly
  • Reduce make up time at surface
  • Reduce the number of cleaning trips needed
  • Minimize mud conditioning
  • Ensure reliable installation to depth with reduced friction forces and better wash down capability
  • Totally recover drilling fluids from the liner and open hole

Improve Production and Extended Well Life

  • Efficient well bore and filter cake clean up from the toe
  • Minimum formation damage along the lateral
  • Faster well clean up delivers earlier and optimal productivity

Field Proven Advantages

FacsWax gives operators a high performance sand control liner and the ability to:

  • Circulate the screen to depth
  • Eliminate the risk of filter media plugging
  • Circulate to TD inside the screen to remove debris from the toe and along the lateral without adding a circulation string assembly
  • Displace drilling fluids and spot a filter cake removal treatment
  • Eliminate the need for drilling fluids conditioning and the associated rig time

Tri-D FacsWax Options Available

Heat or solvent soluble paraffin treatment can be applied to disks made with premium weave, or disks made of Tri-D Weave filtration media.

As well, both Tri-D FacsRite and FacsRite can be tailored for open flow area and liner strength by varying the size of the disks and number of disks per foot of liner.

FacsWax

Absolute began early tests for applying a wax coating to sand control screen with standard FacsRite in 2011. FacsRite screens filter discs made of conventional premium square or Dutch weave media flush mounted into base pipe. The result is a fullbore screen with optimum ID/OD that can be tailored to formation potential and cost by selecting the size, and distribution density of the discs. The factory applied wax process proved to simplify liner deployment and well clean-up and prevented the filter media from being plugged during deployment.

Absolute has further developed the patent pending WaxRite process for a variety of screen types including Tri-D FacsWax,  SlotWax, MeshWax and AccuWax.