دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

unconsolidated to well sorted to poorly sorted (gravel to sand sized) particles transported by water.

n: sand or glass beads of uniform size and roundness used in gravel packing.

large, well sorted and consistently sized sand used to hold back a soft formation.

well sorted and consistently sized sand or man-made materials that are injected with the frac fluid to hold the fracture faces apart after pressure is released.

A measurement of the comparison of large to fine grains. A well sorted formation has a narrow size range between the smallest and the largest particles.