Pre-filling sand control screen pipe

• Main Authors: LIU ZHICHAO, YU HAOYU, LI XINGCHEN, YU YANJIANG, WANG TONG, LU QIUPING, XIE WENWEI, LI BO, SHI HAOXIAN, DONG CHANGYIN, DENG JUNYU, WANG JINGLI, NING FULONG, LI LIXIA, XU ZHENQIANG, CHEN JING
• Format: Patent
• Language: Chinese; English
• Published: 23.01.2024
• 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 invention provides a pre-filling sand control screen pipe, and relates to the technical field of oil and gas exploitation. The pre-filling sand control screen pipe comprises a screen pipe base pipe, a screen pipe inner sheath, a screen pipe outer sheath, a first annular end cover, a second annular end cover and pre-filling particles. The screen pipe inner sheath is arranged on the outer side of the screen pipe base pipe in a sleeving mode, the screen pipe outer sheath is arranged on the outer side of the screen pipe inner sheath in a sleeving mode, the screen pipe outer sheath and the screen pipe inner sheath are arranged in a spaced mode, the first annular end cover is connected to one end of the screen pipe inner sheath and one end of the screen pipe outer sheath in a covering mode, and the second annular end cover is connected to the other end of the screen pipe inner sheath and the other end of the screen pipe outer sheath in a covering mode. A pre-filling cavity is formed among the screen pipe outer