US Patent Issued to Halliburton Energy Services on June 16 for "Resettable, retrievable multi-size donut seal" (Singaporean Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,711, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston).

"Resettable, retrievable multi-size donut seal" was invented by Xue Yuan Siok (Singapore), Nithin Kumar Gupta Dachepally (Singapore) and Jalpan P. Dave (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing assembly and a method of moving the sealing assembly between a radially retracted state and a radially expanded state. A sealing assembly is positioned in a wellbore. The sealing assembly includes a first collar sleeve, a second collar sleeve, a sealing element disposed between the first and second collar sleeves and one or more backing plates dispose...