US Patent Issued to CNPC USA, Beijing Huamei, China National Petroleum on Feb. 4 for "Packer system with load bypass to prevent premature expansion" (Texas Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,564, issued on Feb. 4, was assigned to CNPC USA Corp. (Houston), Beijing Huamei Inc. (Beijing) and China National Petroleum Corp. (Beijing).

"Packer system with load bypass to prevent premature expansion" was invented by Kwami Roberts (Houston), Jeff Maynard (Houston), Jianpeng Yue (Houston), Peng Cheng (Houston), Damon Nettles (Houston) and Perry Batson (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "The packer system includes a packer mandrel, an upper support or gage ring, a seal member, an upper slip device, an upper cone, a lower cone, a lower slip device, a setting sleeve, and a setting piston. The seal member has a run-in position and ...