US Patent Issued to Gumpro Drilling Fluids on March 25 for "Invert emulsifier for use in invert emulsion drilling fluids" (Indian, American Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,515, issued on March 25, was assigned to Gumpro Drilling Fluids PVT. LTD (Maharashtra, India).

"Invert emulsifier for use in invert emulsion drilling fluids" was invented by Arvind Patel (Sugarland, Texas), Anil Kumar Singh (Mumbai, India), Sakshi Indulkar (Mumbai, India), Vivek Gupta (Mumbai, India), Nikhil Bidwai (Mumbai, India), Kartiki Dewalkar (Mumbai, India) and Vijay Kshirsagar (Mumbai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oil soluble invert emulsifier and a process for preparation thereof, including invert emulsion drilling fluid compositions and their use, are described. The oil soluble invert emulsifier is synthesized f...