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Patented Extended Reach and Wellbore Cleaning Technology.
The Patented Universal Jet Thruster (UJT) Smart Sub is placed below a motor between the bit and the bit box. The natural flow path is altered to jet 45° up hole through nozzles directly above the bit, helping to propel the CT string in-hole. The UJT automatically switches from “Thrust Mode” to “Milling Mode” when WOB is applied, allowing flow through the bit to provide cooling and lift cuttings. Maximize debris recovery and improve ROP with this simple innovation for any milling string.
Patent Numbers
- US Patent #10352132
- Can Patent #2,978,929
The UJT is available in the following Tool OD sizes to suit a wide range of milling applications:
- 1.69”
- 2.125”
- 2.375”
- 2.875”
- 3.125”
- 3.375”
Technical Specifications
Engineered to create a big impact on the most intricate applications, each UJT configuration is designed with optimized tensile, torsional, and flow ratings to maximize hole cleaning and material recovery.
| TOOL OD | CONNECTION(S) | TENSILE YIELD | TORSIONAL YIELD | MAX FLOW RATE |
| 42.8mm1.68” | 1” AMMT x 1” AMMT | 14,900 daN33,500 lbf | 455 ft-lbs | 0.5 m3/min3.14 bbl/min |
| 54.0mm2.125” | 1.5” AMMT x 1.5” AMMT | 31,600 daN71,200 lbf | 900 ft-lbs | 0.7 m3/min4.40 bbl/min |
| 60.3mm2.375” | 1.5” AMMT x 1.5” AMMT | 38,922 daN87,500 lbf | 1,550 ft-lbs | 0.7 m3/min4.40 bbl/min |
| 73.0mm2.875” | 2.38” PAC x 2.38” PAC2.38” PAC x 2.38” REG2.38” PAC x 2.88” REG | 60,829 daN136,750 lbf | 2,600 ft-lbs | 1.0 m3/min6.29 bbl/min |
| 79.4mm3.125” | 2.38” REG x 2.38” REG2.38” REG x 2.88” REG | 60,829 daN136,750 lbf | 5,100 ft-lbs | 1.4 m3/min9.1 bbl/min |
| 85.7mm3.375” | 2.38” REG x 2.38” REG2.38” REG x 2.88” REG | 82,160 daN184,700 lbf | 6,900 ft-lbs | 1.4 m3/min9.1 bbl/min |
Features & Benefits
- Increase ROP
- Redirected hydraulic force enhances effect of friction breaking tool.
- Reduce Chemical Usage
- Requires less gellant to lift debris and less metal friction reducer to reach depth.
- Aid in Turbulent Flow
- Creates turbulent flow around the BHA to keep debris in suspension, even in reduced annular space.
- Increased Milling Efficiency
- Venturi effect pulls debris behind the BHA, moving it rapidly up-hole.
- Improve Debris Recovery
- Pumps toward surface rather than the toe, creating a “hydraulic swab cup”.
- Extended Bit Life
- Rotary cone bits are preserved by remaining idle in jetting mode.
Real Results Delivered.
UJT Permian Success.
Every well where the Universal Jet Thruster (UJT) was incorporated into the milling BHA was faster completing the plug milling than BHAs without it. Fastest long, lateral mill out time EVER for Top American Producer had the UJT in the Milling BHA!
Avg ft / min: 7.4
UJT Permian Success.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque sit amet pharetra sem. Morbi gravida sapien luctus risus mollis mattis. Sed justo dui, feugiat nec ornare et, viverra et purus. Vestibulum tincidunt convallis nibh, in viverra tortor euismod ac. Suspendisse eu lobortis ipsum, at convallis urna.
Avg ft / min: 7.4
UJT Permian Success.
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Avg ft / min: 7.4
UJT Permian Success.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque sit amet pharetra sem. Morbi gravida sapien luctus risus mollis mattis. Sed justo dui, feugiat nec ornare et, viverra et purus. Vestibulum tincidunt convallis nibh, in viverra tortor euismod ac. Suspendisse eu lobortis ipsum, at convallis urna.
Avg ft / min: 7.4