Schlumberger Technology Corporation

Henghua Jin

Mikhail V Gotlib

Richard James Windslow

Travis Wernecke

Karen Braden

A back-up ring system incudes an outer C-ring, an inner C-ring that mates with the outer C-ring, the inner C-ring including a first rupture port, and a ring sheath that fits onto the inner C-ring, the ring sheath including a cut-out region, and a second rupture point. The inner C-ring further includes a blocking segment that angularly offsets the first and second rupture points. The cut-out region of the ring sheath mates with the blocking segment of the inner C-ring. The ring sheath further incudes a '7' shaped cross-sectional profile.

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Sugar Land, TX, United States of America

Henghua Jin