Auxiliary sealing structure for water injection wellhead device

• Main Authors: ZHU CHENGJIANG, SHEN WENHE, CUI YI, OH PIL-YONG
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• 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 field of well head devices, and particularly discloses an auxiliary sealing structure for a water injection well head device, which comprises a water injection well head device body, the positioning plate is located in the water injection pipe, an auxiliary gathering plate is arranged in the positioning plate, a side plate is fixedly connected to the outer side of the upper end of the auxiliary gathering plate, and a flow slowing plate is arranged in the positioning plate; the moving groove is located in the positioning plate, a pushing spring is arranged in the moving groove, the outer side end of the pushing spring is fixedly connected with a pushing plate, the bottom of the pushing plate is fixedly connected with a mounting block, and a clamping groove is formed in the bottom of the middle of the mounting block; the scour-resistant water injection well head device has the advantages that liquid rushed up from the bottom can be gathered inwards through the auxiliary gatherin