Digger Stinger Assembly is a tubing conveyed latching seal assembly that is used to operate the sliding valve in a wireline set DR-BP-W cement retainer
Digger Stinger Sub is connected to Control Unit Assembly may be runwith a tubing centralizer or a modified star guide, to provide a centralized entry into the cement retainer.
The Snap-In and Snap-Out collet serves as an indicator. Providing positive control when the work string is picked up to close the solid valve. The snap out indicator re-engages each time the work string is lowered to open the valve. The snap out indicator helps prevent the seal from pumping out during pumping operations or tubing testing.
The snap out indicator may be removed from the cement retainer by straight pull or by rotation serving additional safety feature.
Features:
1. Squeeze cementing.
2. Multiple uses by replacing inexpensive redress kit.
3. Can also be used with preset Digger DR-BP-M mechanical cement retainer.
4. Built in snap out indicator provides positive control when the work string is picked up to closed the inside valve. Re- engages each time the work string is lowered to open slide valve.
5.Snap in designed helps prevent seal from pumping out during pumping operations or tubing testing.
6. One size operates several sizes of retainers.
7. Released by straight pull or rotation.
