Direction-variable drill tail

The utility model discloses a direction-changeable drill tail which comprises a shell, a left side connecting piece, a right side connecting piece and a T-shaped connector, the left side connecting piece, the right side connecting piece and the T-shaped connector are installed on the shell, an insta...

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Bibliographic Details
Main Author FENG YUBING
Format Patent
LanguageChinese
English
Published 08.02.2022
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:The utility model discloses a direction-changeable drill tail which comprises a shell, a left side connecting piece, a right side connecting piece and a T-shaped connector, the left side connecting piece, the right side connecting piece and the T-shaped connector are installed on the shell, an installation notch is formed in the middle of the lower portion of the shell, a left side connecting hole and a right side connecting hole are formed in the left side and the right side of the installation notch respectively, and a left side internal thread is arranged at the left end of the left side connecting hole. A middle inner threaded hole is formed in the middle of the upper portion of the shell, a channel is formed in the middle of the shell, the middle inner threaded hole is communicated with the left connecting hole and the right connecting hole through the channel, and the structure of the left connecting piece is the same as that of the right connecting piece. The T-shaped connector comprises the shell, the
Bibliography:Application Number: CN202122263287U