Pingjun Guo

City:

Pearland, Texas

Country:

United States

Published Applications:

Last publication date:

2007-10-18

Top Assignees for applications by Pingjun Guo

The entities that hold a legal rights for patent applications filed by inventor Guo Pingjun:

BAKER HUGHES INCORPORATED 9 Houston, TX United States

Recent patent applications by Guo Pingjun

Pingjun Guo from Pearland, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-10-18

US20070241275A1

Physics

Neutron source for well logging

#2 | 2007-06-28

US20070144740A1

Fixed constructions

Method and apparatus for fluid influx detection while drilling

#3 | 2007-02-01

US20070023625A1

Physics

Determination of gas pressure and saturation simultaneously

#4 | 2007-02-01

US20070023624A1

Physics

Measurement of formation gas pressure in cased wellbores using pulsed neutron instrumentation

#5 | 2007-02-01

US20070023623A1

Physics

Measurement of formation gas saturation in cased wellbores using pulsed neutron instrumentation

#6 | 2006-10-12

US20060229815A1

Physics

Method and apparatus for shale bed detection in deviated and horizontal wellbores

#7 | 2006-09-21

US20060208184A1

Physics

Method for determining shale bed boundaries and gamma ray activity with gamma ray instrument

#8 | 2006-02-16

US20060033023A1

Physics

Method and apparatus for determining aluminum concentration in earth formations

#9 | 2006-02-16

US20060033022A1

Physics

Elemental gamma ray signature instrument

#10 | 2005-12-01

US20050263691A1

Physics

Method for determining formation porosity and gas saturation in a gas reservoir

InventorID:

4345574 ⎘