WBCU Tools

Debris and residues left in the wellbore from drilling or production activities can result in reduced productivity or even significant non-productive time (NPT) for the operators. Coretrax wellbore clean up tools are designed to maximize debris recovery from the wellbore and eliminate potential issues further into the well’s lifecycle.

Hi Pro Casing Scraper

The Coretrax® Hi Pro® Casing Scraper removes debris from the casing wall during WBCU, drilling and fishing to ensure efficient future operations. This casing scraper aids in the removal of residual drilling fluid, scale, cement, perforation burrs and other foreign material from the ID of the casing.

Each tool has six blades specially aligned on the body to provide the maximum contact with the casing ID while running in and reciprocating the string. The scraping element is non-rotating, avoiding additional wear or damage to the casing while rotating the string. The blades are designed to give optimum scraping action whilst maintaining high fluid bypass.

  • Features/Benefits

    • Available in a range of sizes from 4 ½” through to 20”
    • Reliable – tool designed with no internal/external screws or bolts
    • Non-rotating 360° coverage with self-centralising stabilisers
    • Suitable for high deviation wells and ERD applications
    • Compatible with all standard clean-up tools

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Hi Pro Casing Brush

The Coretrax® Hi Pro® Casing Brush can be run in conjunction with the Hi Pro® Casing Scraper to maximise debris removal from the casing wall during WBCU, drilling and fishing to ensure efficient future operations. The casing brush aids in the removal of residual drilling fluid, scale, cement, perforation burrs and other foreign material from the ID of the casing. Each tool has two specially designed brush sleeves aligned on the body to provide the maximum contact with the casing ID while running in and reciprocating the string. The brushing element is non-rotating and avoids additional wear or damage to the casing while rotating the string.

The brushes are designed to give optimum brushing action whilst maintaining high fluid bypass. The body provides absolute safety and security by locking each brush segment onto an integral part of the brush.

  • Features/Benefits

    • Available in a range of sizes from 4 ½” through to 20”
    • Two offset brush sleeves ensure 360° degree coverage with self-centralising stabilisers
    • High fluid bypass to allow debris to flow past stabilisers and brush sleeves
    • Sizes also available for risers and completion liners

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CX-Riser Brush

The Coretrax® Riser Brush is an integral part of the drill string and is designed to clean the riser during both the drilling and completion phases of the well. The strong, flexible bristles provide the necessary force and contact to effectively remove residual drilling fluid, scale and other foreign materials from the ID of the riser. This robust tool can be rotated or reciprocated without fear of damage to the riser or the tool.

  • Features/Benefits

    • Available in a range of sizes
    • Brushes provide 360° coverage
    • Strong, flexible brushes and robust body
    • High fluid bypass to allow debris to allow unrestricted circulation
    • No internal seal elements

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SP Magnet

The Coretrax® CX®-SP (Superior Performance) Magnet is the perfect string magnet to be run during WBCU, drilling, fishing, milling and completion operations when the removal of ferrous debris is required. The CX®-SP Magnet recovers debris, perforation burrs and other ferrous material from the wellbore.

Each tool has a minimum of 10 magnet strips specially aligned on the body to provide the maximum surface catchment area. The CX®- SP Magnet continually captures ferrous materials from well fluids from the moment it passes the rotary table until it is recovered back to surface.

  • Features/Benefits

    • Highly reliable with proven field record, maximum capacity up to 39kgs
    • High strength magnet strips used provide high carrying capacity and temperature resistance
    • No internal connections
    • Easily field redressable

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CX-Downhole Filtration Tool

The Coretrax® CX®-Downhole Filtration Tool has been developed to remove debris and validate the cleanliness of the wellbore. While running in the hole, the brushing element removes the debris from the ID of the casing. Once WBCU is complete, as the string is pulled out of hole, validation of the wellbore begins. Wellbore fluid is diverted into the tool and debris is collected and retained by the wire mesh while the filtered wellbore fluid is able to pass through.

  • Features/Benefits

    • Compatible with all standard clean-up tools
    • No balls or darts are required to function the tool
    • High fluid bypass to allow debris to flow past stabilisers and brush sleeves
    • Available in sizes for 4 ½” up to 13 3/8”

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CX-Junk Filter Sub

The Coretrax® CX®-Junk Filter Sub allows the removal of debris which is too large to be circulated out of the well. As the circulation slows the denser materials drop over the lip and into the filter cup. The CX®-Junk Filter Sub can be run in conjunction with a variety of Coretrax® WBCU tools.

The CX®-Junk Filter Sub is an ideal solution to be utilised below the Coretrax® BOP Jetting Sub to capture debris removed while jetting the BOP cavities.

  • Features/Benefits

    • Available in a range of sizes from 4 ½” through to 20”
    • Sleeve lengths available to suit customer requirements
    • Sizes also available for riser applications

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BOP Jetting Sub

The Coretrax® BOP Jetting Sub has been designed to dislodge debris and clean out the BOP, riser and wellhead area. The BOP Jetting Sub has six ports which can be fitted with a variety of nozzles, allowing the tool to adapt to various pump capacities. The tool can also be racked back in the derrick and used during down time in order to eliminate heavy debris build up in the BOP area.

The BOP Jetting Sub can also be run as part of the BOP and Swarf Recovery String. This configuration has been used effectively after section milling, helping dislodge swarf and other debris from the cavities of the BOP. This has been proven to reduce the amount of time required to clean the BOP at surface after milling operations, helping save valuable rig time.

  • Features/Benefits

    • Available in a range of sizes
    • Six ports which can be fitted with various nozzle sizes
    • Simple design and operation

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Liner Top Test Tool (LTTT)

The Coretrax® LTTT is designed to perform isolated negative or positive inflow tests on liner tops and casing shoes. When teamed with various other Coretrax® WBCU tools, the LTTT can be used as part of a “single trip” wellbore clean up.

The Coretrax® LTTT is functioned by setting down weight to compress and extrude the elements. The tool can be used both during drilling operations and during the displacement process. The large bypass area under the packer element enables quick running speeds.

  • Features/Benefits

    • Multi-set packer with three separate elements
    • Predetermined setting value
    • Torque through capabilities
    • Reliable and easy to use - set down weight to set and pick up to release

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Hydro MACS

The Coretrax® Hydro MACS™ is a hydraulically functioned multi activation circulating sub that can be run in milling, drilling and wellbore clean-up strings. It is functioned by dropping an activation ball and pressuring up the string which will cycle the Hydro MACS™. The ball will be caught in an internal ball catcher. The same type of ball is used to repeat the process to cycle the tool and close the ports allowing circulation through the full string. The Hydro MACS™ has two primary positions, stroked open allows fluid flow to be fully directed through the ports into the annulus providing an increased TFA when required. The second position, where the tool is stroked closed, allows full circulation through the entire string. Standard ball catchers will hold 14 balls giving 7 full open/closed cycles.

  • Features/Benefits

    • Available in a range of sizes for different casing ranges
    • Reliable – tool designed with robust index mandrel
    • Can be stroked open and closed multiple times
    • Same size of ball opens and closes
    • Prevents back pressure
    • Compatible with all standard clean-up, milling and drilling tools

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Mechanical MACS – Multi Activation Circulating Sub

The Coretrax® Mechanical MACS™ (Multi Activation Circulation Sub) is a mid-string circulating tool which can be run in milling, drilling and wellbore clean-up strings. It is activated by setting down weight on the liner top with a string mill or PBR mill or by tagging TD. The Mechanical MACS™ has two primary positions, stroked open allows fluid flow to be fully directed through the ports and into the annulus providing an increased TFA when required. The second position, where the tool is stroked closed, allows full circulation through the entire string.

The Mechanical MACS™ is pinned up so that it cannot function while running in. Once the land out sub below has tagged the liner top and the shear pins have been sheared, the tool can be opened and closed an unlimited number of times by setting down weight and picking back up. The Mechanical MACS™ requires no rotation to function.

  • Features/Benefits

    • Available in a range of sizes for different casing ranges
    • Reliable – tool designed with robust index mandrel
    • Can be stroked open and closed an unlimited amount of times
    • Maintains large ID throughout operations
    • Compatible with all standard clean-up, milling and drilling tools

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CX-Shear Swivel

The Coretrax® Shear Swivel has two primary positions. In the stroked open position it allows torque to be fully transmitted through the tool. In the closed or sheared position, it acts as a swivel- isolating rotation of the string below the tool and allowing rotation above it helping achieve an effective wellbore clean up in a tapered casing string.

  • Features/Benefits

    • Compatible with all standard clean-up tools with a large inner bore for the passage of setting balls to which may be required for tools in the lower string
    • High flow rates can be achieved to assist in wellbore clean-up
    • Allows isolation of the lower string if low torque value drill pipe/tubing is used
    • Can be part of a complete wellbore clean-up system
    • Can be shifted from open to closed position multiple times

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We always offer the best solutions for our customers' requirements and never, ever compromise on quality.

-Elliot McDonough

Regional Manager For Middle East

Increasing well productivity and reducing risk for clients around the world. See how.

Case Studies


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enquiries@coretrax.com

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PO Box 30, Souk Al-Dakhili
Al Rai Area
Kuwait

+965 247 29377/388

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