ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,226, issued on June 3, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Mixed element swell packer system and method" was invented by Nicholas Moses (Kuala Lumpur, Malaysia), Mark Wei Xiong Yun (Seria, Brunei Darussalam) and Joel Gil (Rosharon, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique facilitates use of a swellable packer or packers which may be disposed along completion equipment of a well string. Each packer comprises a packer frame and a plurality of swellable elements formed of materials which swell in different types of fluids. The plurality of swellable elements may comprise a first swellable element m...