Inventor
LU HONGJUN
CN9 patents
⚠️ This page may combine multiple inventors who share the name “LU HONGJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PETROCHINA CO LTD
6 patentsUS10975294B2Apr 13, 2021
Injection stimulation agent for water injection well and the preparation method and application thereof
PETROCHINA CO LTD0 citations57
US11053427B2Jul 6, 2021
Low-density, high-strength degradable temporary pugging agent and the preparation method and use thereof
PETROCHINA CO LTD0 citations50
US10961442B2Mar 30, 2021
On-line diverting acid for continuous injection into water injection wells and a preparation method thereof
PETROCHINA CO LTD0 citations46
US10876043B2Dec 29, 2020
Chelating agent for reservoir acidification and stimulating injection and its preparation method and application
PETROCHINA CO LTD0 citations46
US10800963B2Oct 13, 2020
Pressure-reducing and injection-enhancing anti scaling agent for low-permeability water-injection well and preparation method thereof
PETROCHINA CO LTD0 citations46
US11008830B2May 18, 2021
Stratified waterflooding apparatus
PETROCHINA CO LTD0 citations41