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SWR Snap J-Latch

SWR Snap J-Latch

The SWR Snap J-Latch is a key component of Silver Fox’s wireline set tools, designed to facilitate tubing entry and sealing operations. It works in conjunction with a tubing stabilizer, contributing to an efficient cementing process and closing of the slide valve on a wireline set cement retainer.

The SWR Snap J-Latch features a unique design that enables the slide valve of the retainer to open and close without accidentally disengaging the stinger from the retainer. This secure connection ensures the reliability of the cement retainer latch tool during operation. This tubing entry snap latch seal assembly is easy to release from the cement retainer, providing flexibility in complex downhole environments. The SWR Snap J-Latch features a robust design and superior performance for your downhole projects.

The Snap Latch Seal assembly in conjunction with a Tubing Stabilizer are used for tubing entry, sealing into, cementing through and closing the slide valve on a Wireline Set Cement Retainer. The Tubing Stabilizer is used to center the Snap Latch Seal assembly in the casing and is made up on the tubing above the Snap Latch Seal assembly.

The J-Latch feature enables the slide valve of the retainer to be opened and closed without accidentally disengaging the stinger from the retainer.

When the Stinger enters the retainer bore, stop washing and set approximately 400 pounds down on the retainer. Rotate 1/4 turn to the left to jay the pin into the “LOCKED” position. The Snap Latch will then latch into Retainer and the slide valve will be shifted to the OPEN (in compression) position. In addition, the slide valve can now be opened and closed without disengaging the stinger from the retainer.

The Snap Latch Seal Assembly may be released from the Cement Retainer by pulling 1,000 pounds tension at the tool and rotating 8 to 10 turns to the right. Alternatively, the Seal Assembly can be released by setting down 1,000 pounds compression, rotating 1/4 turn to the right into the “UNLOCKED” position and snapping out with approximately 8,000 pounds tension force at the tool. Due note that each time the seal assembly is snapped out of the cement retainer, the snap out force is reduced.

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