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Table 4 Laboratory analysis of cement slurry (Part 1/2)

From: Monitoring of a reverse cement job in a high-temperature geothermal environment

Chemical Concentration Unit
Chemical composition
 Cement 94.00 lb/sk
 Silica flour 40.0 \(\%\) bwoc
 Retarder 0.50 \(\%\) bwoc
Calculations
 Surface density 16.2 lb/gal
 Downhole density 16.2 lb/gal
 Sack weight 94.00 lb/sk
 Dry weight 132.07 lb/sk
 Dry yield 1.55 ft3/sk
 Water 5.87 gal/sk
 Total Fluids 5.87 gal/sk
 Surface Yield 1.49 ft3/sk
 Downhole Yield 1.49 ft3/sk
Conditions
  Time to BHCT 33 min
 BHCT 126.6 \(^{\circ }\)C
 BHST 260 \(^{\circ }\)C
 Initial pressure 459 psi
  Final pressur 3632 psi
 Simulated depth 6189 ft
  1. See Table 6 for unit conversion