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The drilling machine drilling process should pay attention to the verticality of the drilling, and the main technical measures to control the verticality of the drilling are:
(1) Compact and level the construction site.
(2) When installing the drilling rig, the flatness of the drilling and the verticality of the active drill pipe should be strictly checked. The verticality of the active drill pipe should be periodically checked during the drilling process, and the deviation should be immediately adjusted.
(3) Regularly check the drill, drill pipe, drill pipe joints, find problems and repair or replace them in time.
(4) Drilling at the interface of soft and hard soil or at the inclined rock face should be done at low speed and low pressure. Found that drilling deviation, should be timely backfill clay, and then low-level drilling and low pressure drilling.
(5) Drilling in complex formations, if necessary, add a grooving machine on the drill pipe.
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