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Engineered drilling tools designed for demanding oilfield applications.
Non-Rotating Sleeve Torque Reduction Sub
Designed to reduce torque and friction in directional and horizontal drilling, this tool features a non-rotating outer sleeve structure for improved drilling efficiency and reduced wear.
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Downhole Tools
The Non-Rotating Sleeve Torque Reduction Sub is a specialized downhole tool designed to reduce torque and friction during drilling operations, particularly in horizontal and high-angle wells. By incorporating a non-rotating outer sleeve, the tool minimizes contact between the drill string and the wellbore.
UNIONLEVER OFS supplies torque reduction subs based on proven field designs, offering reliable performance, improved drilling efficiency, and reduced wear on drill string components in complex well conditions.
- Standard Non-Rotating Sleeve Torque Reduction Subs
- Customized OD and length based on wellbore conditions
- Various connection types (XT, NC, API connections available)
- Optional wear-resistant sleeve configurations
- Non-rotating outer sleeve reduces friction against the wellbore
- Improves torque transmission efficiency in directional drilling
- Reduces wear on casing and drill string components
- Enhances stability in horizontal and extended reach wells
- Robust structure designed for demanding downhole environments
- Typical hole size compatibility: 12 1/4" and above
- Outer diameter: approx. 8.0" – 8.5" (customizable)
- Length: approx. 42" (customizable)
- Connection types: XT, NC, API standard and premium threads
- Material: Alloy steel (4140 / 4145H or equivalent)
- Horizontal drilling operations
- High-angle wells
- Extended reach drilling (ERD)
- Torque and drag reduction scenarios
- Raw material certification (MTC)
- Heat treatment reports
- Magnetic particle inspection (MPI)
- Ultrasonic testing (UT)
- Dimensional inspection reports
- Required hole size / wellbore size
- Maximum allowable outer diameter (OD)
- Connection type (XT, NC, etc.)
- Well condition (horizontal, ERD, etc.)
- Quantity and project timeline
Our Non-Rotating Sleeve Torque Reduction Subs are designed based on proven field applications and manufactured with strict quality control to ensure stable performance in demanding drilling environments. Each tool is precision-machined and inspected prior to delivery.
UNIONLEVER OFS provides flexible customization, engineering support, and fast response for project-based requirements, helping clients reduce torque, improve drilling efficiency, and minimize operational risks.
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sales@unionleverofs.com
ofs@unionlever.com
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Related Products
Building upon more than a decade of field experience, Unionlever OFS offers a comprehensive portfolio covering downhole drilling tools, fishing tools, handling tools, well control equipment, cementing tools, and solid-control systems.
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Unionlever Oilfield Equipment Co., Limited
A Member of
Unionlever International Group Limited
(Established Since 2010)
"To be a globally trusted leader in oilfield equipment and integrated supply solutions."
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