Fluid control screen pipe and pipe column

• Main Authors: YIN JIANFENG, DU JIAN, ZHANG LINPENG, WU ZHIYONG, ZHANG HONGBAO, BAI XUEJIAO, ZHANG JIANJUN, LI HONGLIANG, KONG DEYUE, CHEN LEI, HAN ZONGZHENG, ZHANG XUEQIN, MENG XUE, DING XIAO, LYU MIN, HAN HANPEI
• Format: Patent
• Language: Chinese; English
• Published: 18.03.2022
• 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 fluid control screen pipe and a pipe column, and relates to the field of oil exploitation technical equipment.The fluid control screen pipe comprises an inner pipe and an outer pipe, the outer pipe is arranged outside the inner pipe in a sleeving mode, a gap is formed between the outer pipe and the inner pipe, an annular containing space is defined by the outer pipe and the inner pipe, and the two ends of the containing space are closed; a plurality of liquid inlet holes communicated with the annular interval are formed in the outer wall of the outer pipe, the inner pipe is provided with an axially-through flow guide cavity, a plurality of mounting holes used for communicating the flow guide cavity with the containing space are formed in the outer wall of the inner pipe, and a fluid control nozzle used for controlling the flow of liquid entering the flow guide cavity is mounted in each mounting hole. According to the fluid control screen pipe and the pipe column, the flow of liquid en