Aqueous solutions containing crosslinked hydroxyethyl...

Details Aqueous solutions containing crosslinked hydroxyethyl... Aqueous solutions containing crosslinked hydroxyethyl...

C - Chemistry, Metallurgy

09

K

31/26

C09K 8/90 (2006.01) C08B 15/00 (2006.01) C09K 8/10 (2006.01) C09K 8/68 (2006.01) C09K 8/88 (2006.01)

Patent

CA 1140328

12,534-1 AQUEOUS SOLUTIONS CONTAINING CROSSLINKED HYDROXYETHYL CARBOXYETHYL CELLULOSE ABSTRACT OF THE DISCLOSURE This invention concerns crosslinkable hydroxy- ethyl carboxyethyl cellulose provided in aqueous solu- tions particularly suitable for use in oil or gas drilling, fracturing, flow diversion, completion and workover. Crosslinking is effected through polyvalent metals as derived from polyvalent metals in the form of inorganic or organic acid salts, hydroxides and oxides. SPECIFICATION - 1 -

354947

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