Submersible electric plunger pump and putting process and bailing process of submersible electric plunger pump

• Main Authors: LEI DERONG, CHEN RUIXIANG, JIANG LI, ZHANG HUI, CHU HAOYUAN, CHERULA, BUCK, YAO JINHANG, TURSUN, DILIXIATI, CHAPUKATI, MIHIR, HUANG XIAODONG, ZHANG CHUANXIN
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• 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 provides a submersible electric plunger pump and a putting process and a bailing process of the submersible electric plunger pump. The submersible electric plunger pump comprises a sleeve, an outer working barrel, an outer connecting pipe and a screen pipe which are sequentially connected in the axial direction are arranged in the sleeve, and the outer working barrel is connected with an oil pipe. The driving assembly comprises a stator and a rotor, and the stator is connected with the screen pipe; the sealing assembly is provided with a via hole, and the sealing assembly is matched with the stator to form an accommodating space; the pump cylinder is arranged in the containing space, and an adaptive traveling valve assembly is arranged in the pump cylinder; and the plunger is connected with the sealing assembly, the plunger is arranged in the pump cylinder, one end of the plunger is matched with the via hole to form a circulation channel, and the other end of the plunger is provided with an adap