Foamed cement was used to prevent compaction damage caused by reservoir depletion in a highly unconsolidated reservoir in the Gulf of Mexico (GOM). Critical issues for effective primary cementing detailed in the full-length paper include proper casing design, effective cement placement, and mechanical properties needed to resist forces imposed on the well-bore and cement sheath. The unique properties of foamed cement make it the best choice for primary cementing in reservoirs that will experience compaction damage.