Phase transition material fluid and proppant formed therefrom

US10982131B2 · kind B2 · utility

Inventors

• Shubao HU · Beijing, CN
• Yong Yang · Cangzhou, CN
• Liqiang Zhao · Chengdu, CN
• Guohua Liu · Zhuhai, CN
• Mengmeng Ning · Beijing, CN
• Kun XU · Chengdu, CN
• Juan Du · Shanghai, CN
• Ning Li · Riverview Drive, CN
• Lina Zhang · Great Neck, US
• Yuanzhao Jia · Beijing, CN

Key dates

• Filing date: Mar 27, 2019
• Grant date: Apr 20, 2021
• Expiry date: Mar 27, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2429/04
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Provided are a phase transition material fluid and a proppant formed therefrom, wherein the components for preparing the phase transition material fluid comprise in percentages by mass: a supramolecular building block 10 to 60 wt %, a supramolecular functional unit 20 to 50 wt %, a dispersant 0.1 to 2 wt %, an inorganic co-builder 0.1 to 1 wt %, an initiator 0.1 to 1 wt %, the balance being a solvent. The supramolecular building block comprises a melamine-based substance and/or a triazine-based substance; the supramolecular functional unit comprises a dicyclopentadiene resin; and the dispersant includes a hydroxyl-bearing polysaccharide substance and a surfactant. After the phase transition material fluid enters the reservoir, it may form a solid substance to prop the fracture under the action of supramolecular chemistry and physics.