Sub for Continuous Boring

In a sub for continuous drilling provided between pipes and connecting adjacent pipes in series, the sub for continuous drilling according to the present invention comprises: a body having a hollow formed therein; a wear preventing ring formed to surround the body and maintained in a fixed state ind...

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Bibliographische Detailangaben
Hauptverfasser:	KOH, DOO YEOL, KANG, BU WON, YOO, YOUNG JUN, JEE, CHANG YEOL
Format:	Patent
Sprache:	eng ; kor
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:	In a sub for continuous drilling provided between pipes and connecting adjacent pipes in series, the sub for continuous drilling according to the present invention comprises: a body having a hollow formed therein; a wear preventing ring formed to surround the body and maintained in a fixed state independent of rotation of the body; and a switching valve provided in the body for switching the supply direction of water through a water supply apparatus to either an upper side or a side of the body. 본 발명에 따른 연속시추용 서브는, 파이프 사이에 구비되어 인접한 파이프를 직렬로 결합하는 연속시추용 서브에 있어서, 내부에 상하 개구된 중공이 형성된 몸체, 상기 몸체의 둘레를 감싸도록 구비되되, 상기 몸체의 회전과 독립되어 고정된 상태를 유지하도록 형성된 마모방지링 및 상기 몸체에 구비되어, 이수공급장치를 통한 이수의 공급 방향을 상기 몸체의 상부 또는 측면 중 어느 하나로 전환시키는 전환밸브를 포함한다.