US Patent Issued to Baker Hughes Oilfied Operations on March 24 for "Drilling fluid with self-adjusted alkalinity" (German Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,058, issued on March 24, was assigned to Baker Hughes Oilfied Operations LLC (Houston).

"Drilling fluid with self-adjusted alkalinity" was invented by Helmuth Sarmiento Klapper (Hannover, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The aqueous phase of a drilling fluid can be provided with self-adjusting alkalinity by introducing a buffering system, where the buffering system includes a buffering agent, an acid or a base, and an inorganic salt, and where the pH of the aqueous phase is in the range of from about 8 to about 12. In one non-limiting embodiment, the pH does not vary by more than about 0.5 pH units after a variation in tempera...