WO 2019/051724 A1

Cement slurry

(22) 14.09.2017

(43) 21.03.2019

(57) Disclosed a cement slurry, characterized by comprising the following components in parts by weight: 25-40 parts of cement, 2-4 parts of PVC, 3-5 parts of ethyl acetate, 10-15 parts of an alum powder, 8-12 parts of clay, 5-8 parts of a glass fiber, 8-15 parts of gypsum, 4-10 parts of sodium acetate, 5-10 parts of urea, 2-4 parts of a suspending agent, 2-4 parts of a vermiculite powder, 10-20 parts of a dolomite powder and 80-120 parts of water. The addition of various assistants to the cement improves the stability, permeability resistance and crack resistance of the cement slurry. The cost is low, the environment friendliness is excellent, and resources are saved on.

(71) Huang, Xueyun, Jiangsu 226500 (CN)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

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