Maoming can be reached by the Maozhan Expressway, which is linked to the Kaiyang Expressway and Fokai Expressway, which leads to the provincial capital, . Guangzhou is a 5 - 6 hour commute from Maoming. Maoming is served by the , which runs east to the provincial capital, the , which runs west to the , and the [pdf]
DTH technique was used in well drilling exclusively to dig, accurate, vertical bores, and rotary drilling was used to turn the hole. The Directional DTH system, patented by Atlas Copco, was first used successf. [pdf]
For horizontal directional drilling, there are four necessary steps to complete. To begin there is the pre-site planning. The planning is followed by drilling the pilothole, expansion of the shaft via reaming, an. [pdf]
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