DUAL PIPE FOR DRILLING AND METHOD OF CONNECTING THE SAME

• Main Authors: KIM, GUN HO, KIM, SUNG SOO, CHOO, GYO SIG, BAE, JAE RYU, KIM, JIN KANG, KIM, IN SOO, KWON, JUNG HAN, LEE, SOO HO, LEE, KYOO SEOG, JANG, UNG KWON
• Format: Patent
• Language: English; Korean
• Published: 25.03.2016
• Subjects: BLASTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; EQUIPMENT FOR SHIPPING; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; PIPES; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

A dual pipe for drilling work is disclosed. The dual pipe for drilling work comprises: a first pipe; and a second pipe having a diameter shorter than that of the first pipe, and placed inside the first pipe. Thus, time to connect pipes can be reduced. 시추 작업용 이중 파이프가 개시된다. 상기 시추 작업용 이중 파이프는, 제 1 파이프; 및 상기 제 1 파이프보다 직경이 더 짧고 상기 제 1 파이프의 안쪽에 위치하는 제 2 파이프;를 포함한다.