An stop collar is used to limit the movement of casing centralizers and other attachments on the casing string. By providing a secure stop point, it ensures that centralizers stay in their designated positions to provide optimal standoff during the cementing process.
We provide various designs, including Screwed Stop Collars (using set screws), Hinged Stop Collars (with friction grip or spiral pins), and Slip-on Stop Collars. These options cater to different casing sizes and required levels of holding force.
All our stop collars are tested to ensure they exceed the API 10D-2 holding force requirements. We use high-strength alloy steel and precision-engineered locking mechanisms to ensure the collars remain stationary even under significant axial loads downhole.
Yes, our designs prioritize efficiency. The Hinged and Bolted models can be quickly installed over the casing without sliding them from the end, while our set-screw models allow for easy tightening with standard tools, saving valuable rig time.
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