ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,335, issued on Nov. 11, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Geopolymer compositions and methods" was invented by Nathan Fischer (Sugar Land, Texas), Yeukayi Nenjerama (Sugar Land, Texas), Christopher Parton (Rosenberg, Texas), Randy Tercero (Laporte, Texas), Mark Meade (Katy, Texas), Geoffrey Landry (Richmond, Texas), Andrey Yakovlev (Houston), Anatoly Medvedev (Cambridge, Great Britain) and Bipin Jain (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Geopolymeric compositions are presented that are useful for cementing subterranean wells. The compositions may contain an aluminosilicate source, a metal...