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Sand Control / Gravel Pack Sizing
PROSaucier criteria gravel sizing, screen slot selection, and uniformity coefficient analysis.
Formation Sand Properties (PSD)
Recommended Gravel Size (Saucier)
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Uniformity Coefficient (Cu)
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Detailed Results
Gravel D50 (min)
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Gravel D50 (max)
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Screen Slot Check
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Gravel/Perf Ratio
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Recommendations
How this was calculated
Saucier Criteria: Gravel size = 5 to 6 x D50 of formation sand. This is the industry standard from Saucier (1974).
Uniformity Coefficient: Cu = D60/D10. Well-sorted sand has Cu < 3; poorly sorted has Cu > 5.
Screen sizing: Screen slot should be smaller than smallest gravel particle to retain gravel pack.
Perforation ratio: Gravel size should be at least 6x smaller than perforation diameter.
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