| 摘要 |
According to one aspect of the invention there is provided a rotary-vibratory drilling apparatus. The drilling assembly is comprised of a vibratory apparatus, a rotary drive apparatus, a drill string, a first conduit and a second conduit. The first conduit communicates with the second conduit and the second conduit communicates with the drill string. The drilling assembly may further include a fluid reservoir communicating with the first conduit. Fluid may be discharged from the fluid reservoir into the first conduit, fluid may be discharged from the first conduit into the second conduit, and fluid may be discharged from the second conduit into the drill string. The first conduit may be threadedly connected to the second conduit.
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