Rotary full-bore fracturing switch

• Main Authors: REN JIAMIN, GAO HENGCHAO, JIANG GUANGBIN, LI YUBAO, YU XUEXIN, LYU FANGLEI, ZHANG JIAN, TIAN HAORAN, ZHOU JINGCAI, LI GAN
• Format: Patent
• Language: English
• Published: 08.07.2015
• Subjects: 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

The utility model discloses a rotary full-bore fracturing switch. The rotary full-bore fracturing switch comprises an upper connector, a lower connector, an outer sleeve, a sliding sleeve and a rotary sleeve. The upper connector and the lower connector are connected with the upper end and the lower...