Flexible fracture bridge plug fixing rack

• Main Authors: HAO GUIXIAN, HU GUIYAN, TIAN SHENGMIN, WANG LIN, WANG YUSHAN, ZHAO YUDONG, ZOU CHUNFENG, JIANG YONG, PING ENSHUN
• Format: Patent
• Language: Chinese; English
• Published: 28.08.2018
• 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 invention discloses a flexible fracture bridge plug fixing rack. The flexible fracture bridge plug fixing rack comprises a support structure, a tensioning structure and a setting tool, wherein thesupport structure is composed support legs, a support drawbar, a support cone and a pin; the tensioning mechanism comprises a support hydraulic cylinder, a support sliding piston, a top plate, a temporary plugging screw and a fishing head; the setting tool is composed of a sliding piston, a fixed piston, a push rod, a push tube and a breaking groove. The flexible fracture bridge plug fixing rackis applied to horizontal well multi-section fracture; when a casing pipe is deformed, a bridge plug cannot be set in and a flexible bridge plug is applied, the flexible fracture bridge plug fixing rack can serve as a support rack of the flexible bridge plug to provide conditions for formation of the flexible bridge plug. The flexible fracture bridge plug fixing rack is simple in structure, convenient to operate and low in