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DJ Series Borehole Winch: Getting More Logging Done With Less Fatigue and Fewer Delays
What Your Crew Actually Wants From a Logging Winch
After talking with dozens of logging supervisors, the feedback is consistent: they want equipment that works every time, responds instantly, and doesn‘t fight them. The DJ Series winch delivers exactly that. Designed for borehole depths from 100 meters to 3000 meters, this machine gets out of the way and lets your experienced operators do their jobs efficiently. No fussy procedures, no hidden menus, no unexplained shutdowns. Just reliable, predictable performance that keeps your crew productive and your drilling rig on schedule.
Variable Frequency Drive for Smooth Crew Operation
The AC variable-frequency regulating speed technology provides butter smooth starts and stops that reduce operator fatigue during long shifts. Constant jerking and vibration wear out your crew as well as your equipment. With the DJ Series, the winch responds to controls with linear, predictable motion that allows precise positioning without constant overshoot and correction. Your operators will finish the day less tired and more focused on data quality.
Automatic Constant Speed for Routine Runs
For the majority of logging passes, the automatic constant speed mode is your crew‘s best friend. Set the speed between 0.5 and 20 meters per minute , and the winch holds it within plus or minus 5 percent without constant throttle attention. This frees the operator to watch the depth display, monitor tension, and communicate with the logger instead of endlessly adjusting a speed control. The result is fewer repeated runs because the tool traveled at an uneven rate.
Manual Control When You Need the Human Touch
Some jobs require the nuance that only a skilled operator can provide. The manual control mode gives your crew direct proportional speed command from zero to 30 meters per minute . Want to creep at 10 centimeters per minute through a sensitive zone No problem. Need to rapid traverse a long uncased section Push the control and the winch responds immediately. This versatility means you can handle any logging task from high resolution imaging to quick reconnaissance profiles without changing equipment.
Depth Errors Become a Thing of the Past
Nothing frustrates a logging crew more than finishing a beautiful log only to realize the depth track is off by several meters. The DJ Series automated depth calculation with self-compensating error correction eliminates this headache. The system continuously adjusts for cable stretch, temperature effects, and drum buildup so the displayed depth matches the tool‘s actual position. Your crew can trust the readout without second guessing, and the office staff won’t have to spend hours manually shifting logs to match.
Brakes That Work Without Drama
The self-locking brake engages automatically when power is removed, so the load never drops unexpectedly. The manual brake gives your crew positive control when rigging up, changing tools, or working near the borehole collar. Both systems are simple to operate and require no special training beyond basic winch familiarization. Your crew will appreciate the confidence that comes from knowing the load will stay put no matter what happens with the power supply.
Overload Protection That Talks to You
The automatic overload protection does not just shut down without warning. It provides progressive feedback as tension approaches limits, allowing your operator to ease off before the system intervenes. This collaborative approach keeps the job moving while still protecting equipment. When the system does need to stop, it does so gracefully without shocking the cable or damaging components. Your crew learns to work with the protection system rather than fighting it.
Technical Specifications Quick Reference
| Model | Depth Capability (m) | Cable Size (inch) | Core Count | Speed Selections (m/h) | Lift Capacity (KN) | Auto Manual Operation |
|---|---|---|---|---|---|---|
| DJ0348 | 300 | Steel 3/16 | 4 | 600 and 1200 | 1.8 and 0.9 | Standard |
| DJ0648 | 650 | Steel 3/16 | 4 | 800 and 1960 | 2.6 and 1.1 | Standard |
| DJ1031 | 1000 | Steel 1/8 | 1 | 800 and 1960 | 2.6 and 1.1 | Standard |
| DJ1231 | 1200 | Steel 1/8 | 1 | 800 and 1960 | 2.6 and 1.1 | Standard |
| DJ1048 | 1000 | Steel 3/16 | 4 | 800 and 1800 | 5.9 and 2.6 | Standard |
| DJ2048 | 2000 | Steel 3/16 | 4 | 660 and 1725 | 10.0 and 5.1 | Standard |
| DJ2548 | 2500 | Steel 3/16 | 4 | 660 and 1725 | 10.0 and 5.1 | Standard |
| DJ3048 | 3000 | Steel 3/16 | 4 | 660 and 1725 | 10.0 and 5.1 | Standard |
Controller Designed for Daily Use
The winch controller offers automatic, manual, and check modes in a straightforward interface. Fixed point measurement allows precise stationary readings while continuous measurement supports efficient profiling. The controller operates from minus 10 to 55 degrees Celsius and accepts AC 220V plus or minus 10 percent 50 Hz power. For crew supervisors who value getting the job done without unnecessary complications, the DJ Series is the winch that works with you, not against you.
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