LGL Sliding Sleeve

DESCRIPTION
The LOG Model LGL Sliding Sleeve is installed in the production tubing string to allow Selective Communication between the tubing string and the annulus by Shifting an Internal Sleeve with standard wireline methods. Being a versatile design, the Model LGL Sliding Sleeve can function in Top No-Go and Selective seating systems while behaving like a Ported or a Non-Ported Seating Nipple.

FEATURES
1. Closing Sleeve Seals - The internal Closing Sleeve Seals are of special design to accommodate seal expansion, to allow pressure bleed off between the Closing Sleeve and the Outer Housing and to allow opening with moderate force even against severe pressure differential.
2. Collet Lock on Closing Sleeve - Spreads the shifting force uniformly in the locking groove and prevents jamming due to solids.
3. Closing Sleeve Skirt - Places the shifting tool's engaging members below the flow path thus preventing the wireline string from being blown up the tubing when opening.
4. Seal Bores - The Upper Sub, Lower Sub and Outer Housing are manufactured with Micro-honed Seal Bores for maximum sealing performance.
5. Integral Locking Groove
6. Recourse - If for some reason the Closing Sleeve cannot be closed, the ports can be blanked off with the use of a flow control accessory.
7. Versatility - The LGL Sliding Sleeve has a LF nipple profile in the Upper Sub to accept Selective or Top No-Go style Flow Control Equipment. The Lower Sub also has a honed seal bore. With these two seal bores it is possible to either seal off the sleeve ports and allow communication from below, or seal off from below and allow production through the sleeve ports.
8. Material Selection - The LGL Sliding Sleeve is manufactured for Standard, H2S and H2S-CO2 service.