DL

Dan Long

CL Cnpc Engineering Technology R&D Company Limited: 1 patents #5 of 26Top 20%
SU Southwest Petroleum University: 1 patents #66 of 219Top 35%
📍 Changsha, FL: #1 of 1 inventorsTop 100%
Overall (2021): #482,447 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10975284 Well cementation working solution prepared from red mud, slag and waste drilling fluids Xiaowei Cheng, Kaiyuan Mei, Kaiqiang Liu, Gaoyin Zhang, Dan Qin +8 more 2021-04-13