Automatic air leakage adjustable pressure stabilizing device

• Main Authors: LI CHENGCHENG, LYU JUNZHANG, DU BAOHUA, QUE MENG, YANG JINLONG
• Format: Patent
• Language: Chinese; English
• Published: 13.04.2016
• 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 an automatic air leakage adjustable pressure stabilizing device which comprises a body, a pressure guide joint, a conical drainage seat, a rubber sealing ring, a conical sealing cover, a spring, a spring upper pressure cover, a pressure cover and a pressure regulating rod. Ac...