Beijing
China
6
2020-04-16
The entities that hold a legal rights for patent applications filed by inventor LU Hongjun:
Hongjun LU from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Stratified waterflooding apparatus
#2 | 2019-10-31Chelating agent for reservoir acidification and stimulating injection and its preparation method and application
#3 | 2019-10-17Injection stimulation agent for water injection well and the preparation method and application thereof
#4 | 2019-09-12On-line diverting acid for continuous injection into water injection wells and a preparation method thereof
#5 | 2019-05-09Low-density, high-strength degradable temporary pugging agent and the preparation method and use thereof
#6 | 2018-07-05Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof
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