Reverse Circulating Bit
Well Cleaner RCB (Reverse Circulating Bit) integrates both a rotary bit with a suction system to provide the combined benefits of both in one powerful tool.
This design breaks through hard packed debris and recovers the generated cuttings with suction into the integrated bailers. In one run you can crush mineral deposits like cement and remove them from the well to prevent further associated problems.
Featured case
An operator in South Eastern Saskatchewan was looking for methods to optimize their completion procedures. They were running 4½ cemented liners with ~25 frac...
Well Cleaner RCB (Reverse Circulating Bit) incorporates both a rotary system and a suction system that are combined for maximum efficiency.
This design breaks down hard debris and recovers the cuttings to the surface in the same run. Alternately a Nozzle Brush can be used instead of a bit to remove hard deposits from the walls of the tubular and retrieve them simultaneously.
| Applications |
| Removal of consolidated deposits or debris |
| Cleaning SSSV seats |
| Clearing obstructions |
| Accessing isolation valves |
| Features |
| Passive fail-safe system |
| Modular |
| Variable heads based on objective |
| Wide range of sizes |
| Universal |
| NACE compliant |
| Benefits |
| No additional fluids required |
| Removes wide range of debris |
| Recovers the debris from the well |
| Large range of ID’s accessible |
| Accurate depth control |
| Operates on any e-line via DC |
| Specifications* | |
| Tool OD | 2 1/8'' → 3 1/8'' |
| Length | 26.7 ft → 28.9 ft |
| Weight in air | 200 lbs → 249 lbs |
| Bit sizes | 2.35" → 7.0” |
| Available bailer sizes | 2.125”→ 3.125” |
| Volume / three bailer | 1.08 gals → 3.4 gals |
| Max. well pressure | 20,000 psi → 25,000 psi |
| Max. well temperature | 302°F → 338°F |
| Tensile strength | 24,000 lbs → 42,000 lbs |
| Compressive strength | 29,000 lbs → 50,000 lbs |
| * | Dependent upon configuration |
Talk to your local expert
At Welltec, our team of specialists is experienced in resolving the unique challenges of well drilling and operations across diverse terrain. Whatever your need, we can help you find a solution.