US Patent Issued to Scientific Drilling International on Sept. 2 for "Drop tool impact shock mitigation with fluid retention method and system" (Oklahoma Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,733, issued on Sept. 2, was assigned to Scientific Drilling International Inc. (Houston).

"Drop tool impact shock mitigation with fluid retention method and system" was invented by Jason Rapp (Norman, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems provide for landing a tool downhole in a tool dropping operation. In situations where loss of fluid introduced into a tubular string occurs resulting in an interior volume of the tubular string becoming dry or gaseous, a plug is seated in the tubular string and the tubular string is filled with a liquid before the tool is lowered through the tubular string in the tool dropping ope...