About Cellar drilling rig services
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About Cellar drilling rig services video introduction
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6 FAQs about [Cellar drilling rig services]
What is a cellar in a drilling rig?
A cellar is a dug-out area below a rig that houses the top part of the casing. A cellar is a pit dug below the platform of a drilling rig. The cellar is needed to accommodate casing and drilling accessories that will be installed under the rig. A cellar is a dug-out area below a rig that houses the top part of the casing.
What is cellar Tech?
Our Cellar Tech product line goes beyond containment, offering advanced well cellars, cellar installation, casing hangers, and more—each engineered to optimize safety, minimize risk, and enhance the overall aesthetics of industrial sites. Keep wells flowing during drilling, completions, or workovers—unimpeded by existing production trees.
Why do you need a cellar Tech Solution?
Built for safety. Engineered for control. NOV’s Cellar Tech solutions redefine well site efficiency with industry-leading containment well cellars. Designed to improve operational performance while exceeding modern HSE standards, our innovative approach safeguards both your project and the surrounding environment.
Why should you use a wellhead cellar system?
Our wellhead cellar systems enable safe, continuous SIMOPS, minimizing downtime and maximizing uptime. This adds significant NPV per well—often 10x the cost of our solutions. Maximize pad efficiency by reducing footprint, increasing well density, and standardizing wellhead areas to simplify planning, construction, and operations.
What makes our cellars so special?
Our cellars are built with a steel reinforced profile which provides durability and stability while also supporting the rig above. Still, our cellars are lightweight for easy handling and quick installation. Our cellars are crack resistant and elastic making it a popular choice for a variety of projects.
What is a custom fabricated cellar?
Our custom fabricated cellars are built with half-inch steel plate and are welded together to create a solid, water-tight seal. Each cellar has four exits for Flare Line. Optional ladders can be built for easy access. We also include a recessed lid for each cellar which provides a safe walking environment for foot traffic.


