Fracturing string

• Main Authors: YI HUI'AN, TIAN BINGZHOU, CHEN GUANGLI, LIU MIAOREN, ZHU CHANGLIN, CHEN SHANYIN, LI BOREN
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2018
• 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 utility model discloses a fracturing string, fracturing string includes: casing string, many covers intelligence bowling fracturing sliding sleeve and pressure differential sliding sleeve, the casing string is concatenated by many cuffs pipe and constitutes, the intelligent bowling fracturing sliding sleeve of many covers is connected with at least one set that concatenates on each sleeve pipeof separating the level intelligence bowling fracturing sliding sleeve, the pressure differential sliding sleeve, concatenate in the casing string is the level bottom. 本实用新型公开了种压裂管柱，压裂管柱包括：套管柱、多套智能投球压裂滑套及压差滑套；套管柱，由多根套管串接组成；多套智能投球压裂滑套，每分隔层位的套管上连接有串接的至少套所述智能投球压裂滑套；压差滑套，串接于所述套管柱最下端层位。