US Patent Issued to Schlumberger Technology on Feb. 24 for "Wellbore fluids including fluid loss materials comprising a polymer and a bridging material and related methods" (Texas Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,667, issued on Feb. 24, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Wellbore fluids including fluid loss materials comprising a polymer and a bridging material and related methods" was invented by Hui Zhang (Sugar Land, Texas), Changping Sui (The Woodlands, Texas), Zhipeng Wang (Houston), Phuong-Nam Nguyen (Houston) and Shermin Akhtar (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore fluid includes an aqueous base fluid, and a fluid loss material formulated and configured to form a filtercake on surfaces of an earth formation responsive to exposure to a wellbore pressure. The fluid loss material inc...