It is desired to mix a slurry of class A cement containing 3% bentonite, using the...

 

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It is desired to mix a slurry of class A cement containing 3% bentonite, using the normal mixing water as specified by API (table 4.2). 5.3% water be added for each 1% bentonite. Determine the weight of bentonite (specific gravity=2.65) and volume of water to be mixed with one 94 Ibm sack of cement (specific gravity=3.14). Also, compute the percent mix, yield, and density of the shlurry. TABLE 4.2-NORMAL WATER CONTENT OF CEMENT trom API Spec. 10A (2002)) Reproduced coutesy of the American Petroleum institute. Water Water % by Weight of Cement API Cement Class Gallon per sack Liter per sack A and B 46 5.19 19.6 56 6.32 23.9 D, E. F. and H 38 4.29 16.2 G 44 4.97 18.8 It is desired to mix a slurry of class A cement containing 3% bentonite, using the normal mixing water as specified by API (table 4.2). 5.3% water be added for each 1% bentonite. Determine the weight of bentonite (specific gravity=2.65) and volume of water to be mixed with one 94 Ibm sack of cement (specific gravity=3.14). Also, compute the percent mix, yield, and density of the shlurry. TABLE 4.2-NORMAL WATER CONTENT OF CEMENT trom API Spec. 10A (2002)) Reproduced coutesy of the American Petroleum institute. Water Water % by Weight of Cement API Cement Class Gallon per sack Liter per sack A and B 46 5.19 19.6 56 6.32 23.9 D, E. F. and H 38 4.29 16.2 G 44 4.97 18.8

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