Devlopment of Gcodrilling Technique of China in the New Century

Abstract:

The development of the geodrillingtechnique of China in the new centurv is discussed.Itis expounded that the poly-drilling technique is thedeveloping trend of the geodrilling technique of Chinain the future. The necessity and advantageous condi-tion to develop the poly-drilling technique is ana-lyzed. The preparatory work be done in the oioneer-ing stage is presented.