Internal-Locking Wellheads

Eliminate lockdown screws to reduce leak paths

Our wellheads lock into place with an internal locking mechanism (ILM) to provide superior isolation between casing strings. A feature on the packoff, the ILM also improves the efficiency of stackup operations for multibowl and unitized wellheads, reduces nonproductive time (NPT), and enhances safety.

The ILM Advantage

Make wellhead installation faster and easier

Installing wellhead systems with the ILM feature significantly reduces potential leak paths while isolating the annuli of multiple intermediate and production strings. The ILM also makes wellhead installation easy by enabling you to install the upper and lower packoff assembly from the rig floor.

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Wellhead Installations with Integrity

Protect your well, workers, and the environment

Our ILM is designed in accordance with API standards for quality assurance. It is also pressure rated to withstand high pressures and high temperatures—and can even be applied in challenging environments, including sour service wells and shale formations.

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Find Out More

Eliminate lockdown screws to reduce leak paths

Our wellhead systems with the ILM feature deliver uncompromising pressure integrity by eliminating lockdown screws, reducing leak paths, and isolating the annuli of multiple intermediate and production strings. To learn how our services and technologies can enhance your operations, please complete the contact form below. One of our wellhead specialists will be in touch.