US Patent Issued to Halliburton Energy Services on Feb. 24 for "Filter cake removal compositions and related wellbore methods" (Indian Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,666, issued on Feb. 24, was assigned to Halliburton Energy Services Inc. (Houston).

"Filter cake removal compositions and related wellbore methods" was invented by Ravikant S. Belakshe (Pune, India), Sumit Ramesh Songire (Pune, India), Sunita Sameer Kadam (Pune, India) and Pratiksha Sharma (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions and methods for removing a filter cake from a wellbore may use a breaker that comprises an ester-based acid precursor and a lactone. A treatment fluid may contain an aqueous fluid and the breaker. A method may include introducing the treatment fluid into the wellbore, contacting the filter ca...