LexDanaLexDanabeta
Inventor

Chuan HAI

Inventor
CN

Overview

1→
Patents
2022
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 drilling33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
G01VGeophysics33%
PatentTitleYear
11,255,182Method and apparatus for determining oil-gas-water interface based on formation pressure equivalent density2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PETROCHINA CO LTD12022
Locations
LocationPatentsSpan
CN12022