Welltec® Wellgrab is an electric release fishing tool
By allowing reliable disconnect of fishing strings or relocating the fish in the well, the electric release fishing tool is designed to improve and simplify fishing operations.
The required grapple type, either external or internal, can be easily assembled on the tool by only changing a few parts. Electrical disconnect can be activated at any time when required.
Featured case
Fishing operations often require the application of great force to retrieve hardware or tools lost and stuck downhole...
Ability to latch, release and then re-engage, without the need to trip out of hole to reset the tool. Keys or slips on the tool can be retracted to aid in engaging on or in to a catch profile.
Full tool string recovery by remote activation of the fail-safe timer release device, in the event of loss of communication to the Welltec© Wellgrab.
Ability to work BHA’s hard to catch in or onto a profile, without the risk of prematurely releasing the tool.
| Applications |
| Retrieving plugs |
| Fishing operations |
| Relocating downhole assemblies |
| Heavy Duty fishing |
| Surface controlled manipulation of downhole components |
| Replace requirement for deployment BOP operations |
| Features |
| Interchangeable stand-off rings and bell guides |
| Simple change-out grapples |
| 5.7 ton capacity on release power |
| Electrical release command |
| Adjustable reach |
| Bi-directional motor for grapple manipulation |
| Fail-safe timer release device |
| Benefits |
| Prevents premature release of the fishing tool during fishing or retrieving |
| 50% higher safe working loads than for standard pulling tools |
| Digital, real-time communication with fishing tool |
| Operates on any e-line via DC |
| Eliminate uncertainties associated with shear pins and screws |
| No need to swap between slickline and e-line |
| Specifications | |
| Length | 6.06 ft→ 7.2 ft |
| Tool OD | 2.125" → 3.622" |
| Weight in air | 45 lbs → 154 lbs |
| Completion ID | 2.275" - 3.75" -> 30" |
| Safe working load | 66 klbs → 120 klbs |
| Grapple range – Fishing object size range | 0.875" -> 5.630* |
| Max pressure rating | 10.000 → 20.000 psi |
| Temperature range | 302F -> 350F |
| * Dependent upon configuration | and can be custom designed to different sizes |
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.