1. 平台首页
  2. 国际专利信息
  • 专利标题:   Emulsion diverting acid system for high-temperature carbonate rock reservoir, comprises base oil, acid solution, organic soil, emulsifier, lubricant, fluid loss reducer, corrosion inhibitor, thickener, dispersant, and heat stabilizer.
  • 专利号:   CN114656944-A
  • 发明人:   LI N, ZHAO W, LUO Z, XIONG Y, LIU F, CHEN X, MA J, GAO Q, LIU J, DU J, CHEN W, LIU P, SHANG S, GAO K
  • 专利权人:   UNIV SOUTHWEST PETROLEUM, CNOOC CHINA LTD TIANJIN BRANCH
  • 国际专利分类:   C09K008/508, C09K008/74, C09K008/88
  • 专利详细信息:   CN114656944-A 24 Jun 2022 C09K-008/508 202298 Chinese
  • 申请详细信息:   CN114656944-A CN10348102 29 Mar 2022
  • 优先权号:   CN10348102

▎ 摘　　要

NOVELTY - Emulsion diverting acid system comprises 50-80 pts. wt. base oil, 5-20 pts. wt. acid solution, 1-3 pts. wt. organic soil, 1-5 pts. wt. emulsifier, 1-3 pts. wt. lubricant, 4-7 pts. wt. fluid loss reducer, 0.5-1 pts. wt. corrosion inhibitor, 0.1-1 pts. wt. thickener, 0.1-2 pts. wt. dispersant, and 0.1-2 pts. wt. heat stabilizer. USE - Emulsion diverting acid system for high-temperature carbonate rock reservoir. ADVANTAGE - The emulsion diverting acid system has efficient blocking, turning, non-uniform etching, high diversion, and long effective action distance, and has broad market application prospects.