Swellable packers rely on elastomer elements that absorb formation fluids or injected oils/water to expand and seal. Oil-swell HNBR elements activate in 7–14 days, reaching 150% volume in diesel. Schlumberger’s Swellfix uses hybrid oil/water swell compounds for versatility across reservoirs. Bonded to base pipe, they eliminate moving parts, suiting horizontal laterals. Differential ra... https://globalsealstech.com/about-us/