Prevent to stick with paste drilling tool that bores

The utility model discloses a prevent to stick with paste drilling tool that bores belongs to geological drilling technical field, provides one kind and is arranged in easy paste to bore the prevent to stick with paste drilling tool that bores who creeps into the operation in the big stratum of stra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FENG SHENGXUE, XIN ZONGCHENG, XIAO WENXUE, TANG MAOYONG, GU QIYONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model discloses a prevent to stick with paste drilling tool that bores belongs to geological drilling technical field, provides one kind and is arranged in easy paste to bore the prevent to stick with paste drilling tool that bores who creeps into the operation in the big stratum of stratum or rock power production volume, and it includes the drilling tool body, is equipped with the link in the upper end of drilling tool body, is equipped with the drill bit at the lower extreme of drilling tool body, includes still that the spiral is protruding, the spiral is protruding to be set up and be the heliciform on the periphery pipe wall of drilling tool body, the prominent periphery diameter of spiral is D1, the periphery diameter of drill bit is D2, satisfies D1