Environmental Engineering Reference
In-Depth Information
Fig. 12.2
Successive steps for stage cementing. Courtesy Halliburton Services
Table 12.1
API classifi cation of cements
Mixing
Slurry
Well
Static
API Classifi cation
Water (gal/sack)
Weight (lb/gal)
Depth (ft)
Temperature (°F)
A (Portland)
5.2
15.6
0-6,000
80-170
B (Portland)
5.2
15.6
0-6,000
80-170
C (High Early)
6.3
14.8
0-6,000
80-170
D (Retarded)
4.3
16.4
6-12,000
170-260
E (Retarded)
4.3
16.4
6-14,000
170-290
F (Retarded)
4.5
16.2
10-16,000
230-320
G (Basic) a
5.0
15.8
0-8,000
80-200
H (Basic) a
4.3
16.4
0-8,000
80-200
J
4.9
15.4
12-16,000
260-320
Note : Reprinted with permission of Halliburton Services
a Can be accelerated or retarded for most well conditions
 
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