View source for Category:Qingjun Du

== Qingjun Du ==

=== Executive Summary ===
Qingjun Du is an inventor who has filed 4 patents. Their primary areas of innovation include {by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor  (measuring pressure (1 patents), {characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces} (1 patents), {characterised by the means for controlling flow resistance, e.g. flow controllers, baffles  ( (1 patents), and they have worked with companies such as China University of Petroleum (East China) (3 patents), CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) (1 patents). Their most frequent collaborators include [[Category:Jian Hou|Jian Hou]] (4 collaborations), [[Category:Bei Wei|Bei Wei]] (4 collaborations), [[Category:Kang Zhou|Kang Zhou]] (4 collaborations).

=== Patent Filing Activity ===
[[File:Qingjun_Du_Monthly_Patent_Applications.png|border|800px]]

=== Technology Areas ===
[[File:Qingjun_Du_Top_Technology_Areas.png|border|800px]]

==== List of Technology Areas ====
* [[:Category:CPC_E21B49/008|E21B49/008]] ({by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor  (measuring pressure): 1 patents
* [[:Category:CPC_B01L3/502715|B01L3/502715]] ({characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces}): 1 patents
* [[:Category:CPC_B01L3/502746|B01L3/502746]] ({characterised by the means for controlling flow resistance, e.g. flow controllers, baffles  (): 1 patents
* [[:Category:CPC_B01L2200/143|B01L2200/143]] (CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE): 1 patents
* [[:Category:CPC_E21B43/20|E21B43/20]] (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS): 1 patents
* [[:Category:CPC_G06F30/20|G06F30/20]] (ELECTRIC DIGITAL DATA PROCESSING  (computer systems based on specific computational models): 1 patents
* [[:Category:CPC_G06F2111/10|G06F2111/10]] (ELECTRIC DIGITAL DATA PROCESSING  (computer systems based on specific computational models): 1 patents
* [[:Category:CPC_E21B43/16|E21B43/16]] (Enhanced recovery methods for obtaining hydrocarbons): 1 patents
* [[:Category:CPC_E21B2200/20|E21B2200/20]] (Computer models or simulations, e.g. for reservoirs under production, drill bits): 1 patents
* [[:Category:CPC_G06F30/28|G06F30/28]] (ELECTRIC DIGITAL DATA PROCESSING  (computer systems based on specific computational models): 1 patents

=== Companies ===
[[File:Qingjun_Du_Top_Companies.png|border|800px]]

==== List of Companies ====
* China University of Petroleum (East China): 3 patents
* CHINA UNIVERSITY OF PETROLEUM (EAST CHINA): 1 patents

=== Collaborators ===
* [[:Category:Jian Hou|Jian Hou]][[Category:Jian Hou]] (4 collaborations)
* [[:Category:Bei Wei|Bei Wei]][[Category:Bei Wei]] (4 collaborations)
* [[:Category:Kang Zhou|Kang Zhou]][[Category:Kang Zhou]] (4 collaborations)
* [[:Category:Yongge Liu|Yongge Liu]][[Category:Yongge Liu]] (4 collaborations)
* [[:Category:Shuai Liu|Shuai Liu]][[Category:Shuai Liu]] (3 collaborations)
* [[:Category:Dejun Wu|Dejun Wu]][[Category:Dejun Wu]] (2 collaborations)
* [[:Category:Zhibin An|Zhibin An]][[Category:Zhibin An]] (2 collaborations)
* [[:Category:Yongsheng Liu|Yongsheng Liu]][[Category:Yongsheng Liu]] (1 collaborations)
* [[:Category:Ermeng Zhao|Ermeng Zhao]][[Category:Ermeng Zhao]] (1 collaborations)
* [[:Category:Zhinbin An|Zhinbin An]][[Category:Zhinbin An]] (1 collaborations)

[[Category:Qingjun Du]]
[[Category:Inventors]]
[[Category:Inventors filing patents with CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)]]
[[Category:Inventors filing patents with China University of Petroleum (East China)]]