Sliding sleeve type packer for non-metal oil pipe

• Main Authors: ZENG WENGUANG, CHEN MIAO, HU GUOLIANG, ZHANG JIANGJIANG, LI FANG, GUO YUJIE, ZHAO HAIYANG, XIAO WENWEN, PAN YANGQIU, LIU BIN, GAO QIUYING, TAN HUI, LIU QINGSHAN
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; METALLURGY; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention provides a sliding sleeve type packer for a non-metal oil pipe. The sliding sleeve type packer comprises an outer cylinder and a sliding sleeve, the central pipe is concentrically arranged in the outer cylinder and comprises a first pipe body and a second pipe body connected to the low...