LexDanaLexDanabeta
Inventor

Yizheng LI

Inventor
CN

Overview

1→
Patents
2023
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
G06FElectric digital data processing25%
G16CComputational chemistry25%
PatentTitleYear
11,686,1904D quantitative and intelligent diagnosis method and system for spatio-temporal evolution of oil-gas reservoir damage types and extent2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to CNPC CHUANQING DRILLING ENG CO (1)· patent assignee history
2023Patents assigned to CNPC ENG TECH RES & DEV CO LTD (1)· patent assignee history
2023Patents assigned to UNIV CHINA PETROLEUM BEIJING (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CNPC CHUANQING DRILLING ENG CO12023
CNPC ENG TECH RES & DEV CO LTD12023
UNIV CHINA PETROLEUM BEIJING12023
Locations
LocationPatentsSpan
CN12023