Dual function aqueous solution flow in permeable earth formations

Claim 1

IN A METHOD FOR THE TREATMENT OF A SUBTERRANEAN FORMATION BY INJECTING A FLUID THEREINTO, THE IMPROVEMENT COMPRISING INJECTING INTO SAID FORMATION AN ACTIVE SOLUTION COMPRISING WATER HAVING INCORPORATED THEREIN SUFFICIENT QUANTITY OF AT LEAST ONE ADDITIVE TO PROVIDE A SOLUTION WHICH IS VISCOELASTIC AND WHICH IS ALSO A SHEAR HARDENING, POSITIVE NONSIMPLE LIQUID, SAID ADDITIVE BEING SELECTED FROM THE CLASS CONSISTING OF: (A) M'' ALKYL ARYL ETHER SULFONATE, WHERE M'' REPRESENTS A CATION SELECTED FROM THE CLASS CONSISTING OF H+, K+, NA+, NHJ+, ZN++, ANILINO, TOLUDINO, SEC-BUTYLAMINO, AND ETHYLAMINO; ALKYL REPRESENTS AN ALKANE RADICAL CONTAINING 14 TO 18 CARBON ATOMS, INCLUSIVE; AND ARYL REPRSENTS AN AROMATIC RADICAL SELECTED FROM THE CLASS CONSISTING OF O-TOLYL, P-TOLYL, O-ETHYL PHENYL, P-ETHY PHENYL, O-N-PROPYL PHENYL, AND P-N-PROPYL PHENYL; (B) COPPER ALKOXY ARYL SULFONATE, WHERE ALKOXY REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF TETRADECYLOXY, PENTADECYLOXY, HEPTADECYLOXY, AND OCTADECYLOXY; AND ARYL REPRESENTS AN AROMATIC RADICAL SELECTED FROM THE CLASS CONSISTING OF PHENYL, TOLYL, ETHYL PHENYL, AND N-PROPYL PHENYL; (C) M DIALKOXY BENZENE SULFONATE, WHERE M REPRESENTS A CATION SELECTED FROM THE CLASS CONSISTING OF H+, K+, NA+, NH4+, CU++, ZN++, ANILINO, TOLUIDINO, SEC-BUTYLAMINO, AND ETHYLAMONIO; AND DIALKOXY REPRESENTS TWO RADICALS, EACH HAVING AN OXYGEN LINKAGE OF AN ALKYL RADICAL CONTAINING 6 TO 12 CARBON ATOMS, INCLUSIVE, AND TOGETHER CONTAINING A TOTAL OF 14 TO 18 CARBON ATOMS, INCLUSIVE; AND (D) M DIALKOXY BENZENE DISULFONATE, WHERE M REPRESENTS A CATION SELECTED FROM THE CLASS CONSISTING OF H+, K+, NA+, NH4+, CU++, ZN++, ANILINO, TOLUIDINO, SEC-BUTYLAMINO, AND ETHYLAMINO; AND DIALKOXY REPRESENTS TWO RADICALS, EACH HAVING AN OXYGEN LINKAGE ON AN ALKYL RADICAL CONTAINING 14 TO 20 CARBON ATOMS, INCLUSIVE.