Oil Field Cementing

Selvol™ Polyvinyl Alcohol is perfectly suited for use as an oilfield fluid loss control additive in cementing applications. When mixed with Class H cement powder, water, a dispersant and defoamer, this non-ionic, low viscosity producing additive will prevent fluid from being lost to the formation in intermediate cementing operations. At bottom-hole circulating temperatures of up to 190°F, it is the most commonly used fluid loss control additive in the world.

An added benefit of utilizing Selvol™ Polyvinyl Alcohol in oilfield cementing applications is that it will not retard the set-time at bottom-hole circulating temperatures.

Recipe for Success

Normal range for use in wells: 80°F to 190°F
Concentration: 0.5-2.0% BWOC

Slurry 1 Slurry 2
Composition De-ionized water 39% bwoc 39% bwoc
Selvol™ Premiol LTC 90 0.75% bwoc 1% bwoc
Daxad 19 0.25% bwoc 0.5% bwoc
FP-6L remainder remainder
Class H Cement 0.75% bwoc 1% bwoc
Test Temperature 110°F 110°F
FANN Rheology 300 rpm 140 136
100 rpm 55 53
6 rpm 4 4
3 rpm 3 3
PV, cPs 128 125
YP, lb/100 sq. ft. 13 12
Filtration, 100 psi Average API fluid loss ml/30 min 40 31
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