Since compound of waste mud and rock cuttings was the main drilling solid waste, the massive landfill received drillin g solid waste of the central field was investigated. And the solidified waste was sampled by the common planar m ethod. The solidified waste was loose and of dark grey color. Experimental study showed that density of the solidif ied waste was1.75 g/cm
3
, moisture was 24.0%; and its component, heavy metal content, radioactive element content were respectively presented in Table 1~ Table 3.