Device is strikeed in well drilling

The utility model provides a device is strikeed in well drilling, include: drill bit installation department (1), the subassembly takes place for transverse impact, including first casing (6) and rotatable first switching -over pipe (5) of setting in first casing (6), the subassembly takes place for...

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Bibliographische Detailangaben
Hauptverfasser:	LI YONGAN, YANG NAIJIA, GAO GUANGLIANG
Format:	Patent
Sprache:	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 provides a device is strikeed in well drilling, include: drill bit installation department (1), the subassembly takes place for transverse impact, including first casing (6) and rotatable first switching -over pipe (5) of setting in first casing (6), the subassembly takes place for longitudinal impact, and including second casing (12) and longitudinal impact portion and the transmission portion of setting in second casing (12), transmission portion drives longitudinal impact portion and makes axial reciprocating motion under the drive of first switching -over pipe (5). The technical scheme of the utility model the well drilling speed and the lower problem of well drilling efficiency of the PDC drill bit among the prior art have been solved effectively.