Hell into degrees of agony or pleasure. Of these realms, the hell realms, or "Naraka", is the lowest realm of rebirth. Of the hell realms, the worst is "Avīci" or "endless suffering". The Buddha's disciple, Devadatta, who tried to kill the Buddha on three occasions, as well as create a schism in the monastic order, is said to have been reborn in the Avici Hell. However, like all realms of rebirth, rebirth in the Hell realms is not permanent, though suffering can persist for eons before being reborn again. In the Lotus Sutra, the Buddha teaches that eventually even Devadatta will
Well kill limited by the burst-pressure capabilities of the tubing or casing, and can risk damaging the reservoir by forcing undesired materials into it. The principal advantage is that it can be done with little advanced planning. This is similar to reverse circulation, except the kill fluid is pumped into the production tubing and circulated out through the annulus. Though effective, it is not as desirable since it is preferred that the well bore fluids be displaced out to production, rather than the annulus. This is the most time consuming form of well kill. It involves repeatedly pumping in small quantities of