Cactus Wellhead, LLC

Thomas Henry Holtkamp

Martin Anthony Trumbull

An isolation sleeve for a wellbore includes a sleeve body and a torque sleeve. The torque sleeve threadedly couples to the sleeve body. The torque sleeve includes a compression shoulder. The isolation sleeve includes a compression seal positioned about the torque sleeve between the compression shoulder and the sleeve body. The isolation sleeve also includes a lock ring coupled to the sleeve body that engages a packoff. The lock ring is urged into engagement with the packoff by an energizing ring.

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Friendswood, TX, United States of America

Thomas Henry Holtkamp