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.

Details

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.

Specifications

RETAINER	SETTING SLEEVE			LATCH
SIZE	OD	OAL	BAKER STYLE	SIZE
MM IN	MM IN	MM IN	BAKER STYLE	MM IN
114.3 4-1/2	88.90 3.500	327.03 12.875	10	60.3 2-3/8
127.0 5	88.90 3.500	327.03 12.875	10
139.7 5-1/2	109.47 4.310	317.50 12.500	20
146.1 5-3/4	119.38 4.700	317.50 12.500
177.8 7	144.53 5.690	266.70 10.500		73.0 2-7/8
193.7 7-5/8	160.27 6.310	242.82 9.560
219.1 8-5/8	180.98 7.125	231.65 9.120
244.5 9-5/8	206.38 8.125	245.36 9.660

Technical Info

Product Catalog

Product Catalog, v2509

Cement Retainer, v2412

Need a quote? Contact us

At Silver Fox, we’re more than just oil field equipment suppliers—we’re your partners in success. From completion oil and gas tools to protective coatings, we’re here to help you save time, reduce costs, and achieve your goals. Contact us today to see how we can support your next project. Let’s get to work!

Request Information