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Inventor

Guangyan Du

Inventor
Chengdu, CN

Overview

2→
Patents
2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
E21BEarth or rock drilling50%
PatentTitleYear
10,364,388Phase change fracturing fluid system for phase change fracturing201910,301,919Phase-change hydraulic fracturing process2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to UNIV SOUTHWEST PETROLEUM (2)· patent assignee history
2019Patents assigned to PETROCHINA HUABEI OILFIELD COMPANY (1)· patent assignee history
2019Based in Chengdu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV SOUTHWEST PETROLEUM22019
PETROCHINA HUABEI OILFIELD COMPANY12019
Locations
LocationPatentsSpan
Chengdu, CN22019