US Patent Issued to Halliburton Energy Services on Nov. 18 for "Reduction of backward whirl during drilling" (Texas Inventor)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,815, issued on Nov. 18, was assigned to Halliburton Energy Services Inc. (Houston).

"Reduction of backward whirl during drilling" was invented by Shilin Chen (Montgomery, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a processor and a machine-readable medium having program code executable by the processor to cause the apparatus to determine a first parameter based on a walk force of a drill bit. The program code also includes instructions to generate a whirl index value that comprises a ratio of drilling parameters, wherein at least one parameter of the ratio of drilling parameters is the first parameter. Based on a dete...