Low-density ball salvaging device

• Main Authors: ZHOU LIN, RAN ZHAOHUI, DUAN WENGUANG, WANG LIUBIN, CHI CHONGRONG
• Format: Patent
• Language: Chinese; English
• Published: 28.08.2013
• 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 relates to the technical field of salvaging devices in fracturing operation of special and complicated wells such as horizontal wells and branch wells, and discloses a low-density ball salvaging device. The low-density ball salvaging device comprises a barrel and a spring piece, wh...