Encapsulation de konpozan downhole tankou idwolik yo opere kontwòl liy yo, moun ki pa marye liy encapsulation, double liy encapsulation (FLATPACK), triple liy encapsulation (FLATPACK) te vin répandus nan aplikasyon pou downhole.Koupe plastik bay plizyè benefis ki ede asire yon fini siksè.