US Patent Issued to Halliburton Energy Services on March 4 for "Method for opening a completion isolation valve with e-line powered shifting tool" (Singaporean Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,337, issued on March 4, was assigned to Halliburton Energy Services Inc. (Houston).

"Method for opening a completion isolation valve with e-line powered shifting tool" was invented by Simon Whye Kwong Wai (Singapore) and Mark S. Holly (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole shifter tool assembly configured to operate a downhole tool. The shifter tool assembly comprises a anchor tool, an extension tool, a shifting key, and a standoff spacer. The standoff spacer is configured to locate the shifter tool assembly at a reference position by contacting an isolation member on the downhole tool. An anchoring mechanism within the...