US Patent Issued to Expro North Sea on April 14 for "Baffle collar with double tapered lock ring" (Louisiana, Texas Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,240, issued on April 14, was assigned to Expro North Sea Ltd. (Aberdeenshire, Great Britain).

"Baffle collar with double tapered lock ring" was invented by Jeffry C. Ehlinger (Houston) and Beau H. Martin (Youngsville, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to a cementing system. In one embodiment, cementing system includes a float shoe and a collar system. The collar system includes a baffle collar; an inner string, a plug stem, and a sealing plug. The sealing plug includes a lock ring cavity and a lock ring. The lock ring cavity includes an upper cavity tapered surface and a lower cavity tap...