Achievement and development were reviewed in scientific drilling, gas hydrate exploration,deep drilling; drilling technical equipment; high precision directional butted well drilling; wire-line coring hydro-hammer; new diamond bit series; new flushing fluid; drilling technology for monitoring and control of geological disaster; talent training and the system reformation in Eleventh Five-Year Plan period in China; and main work direction in the Twelfth Five-Year Plan period was put forward.
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