Company Filing History:

10 out of 5,728

Baker Hughes Corporation

patents

4 out of 1,398

Exxonmobil Upstream Research Company

patents

Years Active: 2007-2020

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10705246 - Method of rock mineralogy interpretation (2020-07-07),

2. 9383473 - Method for cement evaluation with neutron logs (2016-07-05),

3. 9057795 - Azimuthal cement density image measurements (2015-06-16),

4. 8527204 - Volume of investigation based density image processing (2013-09-03),

5. 7804060 - Method and apparatus for fluid influx detection while drilling (2010-09-28),

6. 7649169 - Method for determining shale bed boundaries and gamma ray activity with gamma ray instrument (2010-01-19),

7. 7548817 - Formation evaluation using estimated borehole tool position (2009-06-16),

8. 7402797 - Method and apparatus for determining aluminum concentration in earth formations (2008-07-22),

9. 7372018 - Determination of gas pressure and saturation simultaneously (2008-05-13),

10. 7365308 - Measurement of formation gas saturation in cased wellbores using pulsed neutron instrumentation (2008-04-29),

11. 7361887 - Measurement of formation gas pressure in cased wellbores using pulsed neutron instrumentation (2008-04-22),

12. 7282704 - Method for determining formation porosity and gas saturation in a gas reservoir (2007-10-16),

13. 7254486 - Method and apparatus for shale bed detection in deviated and horizontal wellbores (2007-08-07),

14. 7205535 - Elemental gamma ray signature instrument (2007-04-17),

Title: The Innovative Contributions of Pingjun Guo

Introduction

Pingjun Guo is a notable inventor based in Pearland, TX (US), recognized for his significant contributions to the field of mineralogy and cement evaluation. With a total of 14 patents to his name, Guo has developed innovative methods that enhance the understanding and evaluation of subsurface materials.

Latest Patents

Among his latest patents, Guo has introduced a "Method of Rock Mineralogy Interpretation." This method allows for the interpretation and quantification of mineral compositions and concentrations. It involves determining mineral composition models through a non-linear inversion of core or log elemental and mineral concentration data. Additionally, it enables the determination of mineral concentrations for subsurface regions using linear inversion techniques. Another significant patent is the "Method for Cement Evaluation with Neutron Logs." This method evaluates cement integrity in cased well environments by utilizing a logging tool equipped with a neutron source and detectors. The process involves obtaining neutron porosity logs before and after casing, which are then analyzed alongside well dimensions and material composition parameters.

Career Highlights

Throughout his career, Guo has worked with prominent companies such as Baker Hughes Corporation and ExxonMobil Upstream Research Company. His experience in these organizations has allowed him to apply his innovative methods in real-world scenarios, contributing to advancements in the oil and gas industry.

Collaborations

Guo has collaborated with esteemed colleagues, including Darryl E. Trcka and Steve Riley. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise.

Conclusion

Pingjun Guo's innovative work in mineralogy and cement evaluation has made a significant impact on the industry. His patents reflect a commitment to advancing technology and improving methodologies in subsurface analysis.

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