Machine impurity removing device of oil field water injection system

• Main Authors: HE TAO, DU YANFU
• Format: Patent
• Language: Chinese; English
• Published: 17.09.2019
• Subjects: CHEMISTRY; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; METALLURGY; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model relates to a device for removing machine impurities of an oilfield flooding system, which is characterized by at least comprising a cyclone, a first liquid-solid coalescer and a second liquid-solid coalescer, and an inlet of the cyclone is connected with a process inlet pipeline; an upper outlet of the cyclone is divided into two paths through a water outlet pipeline, and the two paths are respectively connected with inlet ends of the first liquid-solid coalescer and the second liquid-solid coalescer; the first liquid-solid coalescer and the second liquid-solid coalescer are respectively provided with at least two outlets, namely an upper outlet and a lower outlet, and the upper outlets of the first liquid-solid coalescer and the second liquid-solid coalescer are respectively connected with a standard water pipeline through pipe fitting valves; and lower outlets of the first liquid-solid coalescer and the second liquid-solid coalescer are respectively communicated with a backwashing water bl