Wellhead foam scrubbing agent automatic filling device

• Main Authors: DING JINGCHEN, REN GUANGLEI, CAO TONGSHENG, CHEN KUI, ZHANG ZHANYANG, YU YAONAN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• 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 provides an automatic filling device for a wellhead foam scrubbing agent, which belongs to the technical field of oil and gas exploitation and comprises an adding cylinder used for adding the foam scrubbing agent into accumulated liquid in a well, and a blocking piece used for blocking an opening is arranged in the adding cylinder through a first elastic piece. The adding cylinder is connected with a storage cylinder used for storing a foam scrubbing agent, a connecting piece is arranged in the adding cylinder, a connecting channel is formed in the connecting piece, a sliding piece is assembled on the connecting piece in the axial direction of the adding cylinder in a guiding and sliding mode, a sliding channel is formed in the sliding piece, and a second elastic piece is arranged between the sliding piece and the adding cylinder. The sliding stroke of the sliding part is provided with a supplementing station enabling the connecting channel to be communicated with the sliding channel so as t