Filter and anti - washout type water mixing water injection well choke

• Main Authors: ZHANG GUOQIANG, MENG XIANGGUO, QI YUMEI, SHI YANBO, LIU HAIXIA, YU XINGCAI, YANG LIN
• Format: Patent
• Language: Chinese; English
• Published: 04.08.2017
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model discloses a filter and anti - washout type water mixing water injection well choke belongs to the oil -field flooding field. This water mixing water injection well choke includes: water injection well choke assembly, water injection well choke seat, water injection well choke, water intaking valve, outlet valve, strain a section of thick bamboo, cross filter unit, backwash valve, dump valve. The water injection well choke assembly is including setting up water inlet on the lateral wall of rear end, setting up at the delivery port of front end, setting up the plug in the rear end. The water injection well choke seat cover is established in the delivery port, and the water injection well choke cover is established in the water injection well choke seat, and water intaking valve and outlet valve pass through the pipeline and communicate with water inlet and delivery port respectively, the front end and water injection well choke seat intercommunication of a section of thick bamboo are strained