Matthias Appel

This inventor holds 13 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 6 EPO patents, primarily in Subsurface Imaging. Top assignees: Shell Oil Comapny, Shell USA, Inc., Krohne Ag. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Matthias Appel. Retrieved from https://idiyas.com/inventor/matthias-appel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 13 (Patent Applications = 3)

% Patents Active = 84.6

CIPO Patents = 3

EPO Patents = 6 (Patent Applications = 6)

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 158(Granted Patents)

Location History:

Norwich, GB (2005)
Houston, TX (US) (2011 - 2024)

Company Filing History:

Years Active: 2005-2026

Loading Chart...

Areas of Expertise:

Hydrocarbon Saturation

Subsurface Formation

Permeability Characterization

Porosity Analysis

NMR Flow Measurement

Multi-Phase Fluid

Calibrating Simulations

Magnetic Resonance

Fluid Flow Imaging

Direct Flow Simulations

Nuclear Magnetic Flowmeter

Transport Conduit

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12644878 - Method for estimating hydrocarbon saturation of a rock (2026-06-02),

2. 12560563 - Calibrating direct flow simulations of rock samples (2026-02-24),

3. 12529639 - Method for estimating hydrocarbon saturation of a rock (2026-01-20),

4. 11879825 - Method for digitally characterizing the permeability of rock (2024-01-23),

5. 11119025 - Method for characterizing the porosity of rock (2021-09-14),

6. 10481291 - Chemically-selective imager for imaging fluid of a subsurface formation and method of using same (2019-11-19),

7. 10234314 - Nuclear magnetic flowmeter and method for operating nuclear magnetic flowmeters (2019-03-19),

8. 10001395 - Method of interpreting NMR signals to give multiphase fluid flow measurements for a gas/liquid system (2018-06-19),

9. 8441256 - Method for analyzing a multi-phase fluid (2013-05-14),

10. 8212557 - Method for analyzing a multi-phase fluid (2012-07-03),

11. 7872474 - Magnetic resonance based apparatus and method to analyze and to measure the bi-directional flow regime in a transport or a production conduit of complex fluids, in real time and real flow-rate (2011-01-18),

12. 6897652 - NMR flow measurement while drilling (2005-05-24),

13. 6856132 - Method and apparatus for subterranean formation flow imaging (2005-02-15),

Title: The Innovative Contributions of Matthias Appel

Introduction

Matthias Appel is a prominent inventor based in Houston, Texas, known for his significant contributions to the field of rock characterization. With a total of 10 patents to his name, he has developed innovative methods that enhance the understanding of rock properties, which are crucial in various industries, including oil and gas.

Latest Patents

Among his latest patents, Matthias Appel has introduced a "Method for Digitally Characterizing the Permeability of Rock." This invention provides a systematic approach to estimating the permeability of rock using digital imaging techniques. By obtaining a three-dimensional image of the rock and segmenting it, he determines the image permeability and applies correction factors derived from a non-wetting liquid capillary pressure curve. This results in a corrected image permeability that accurately reflects the rock's properties.

Another notable patent is the "Method for Characterizing the Porosity of Rock." This method also utilizes digital imaging to assess the porosity of rock. Similar to his permeability method, a three-dimensional image is obtained and segmented, allowing for the determination of image porosity. A porosity correction parameter is then applied, leading to a corrected porosity measurement that is essential for various geological applications.

Career Highlights

Throughout his career, Matthias Appel has worked with esteemed companies such as Shell Oil Company and Krohne AG. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in rock characterization technologies.

Collaborations

Matthias has collaborated with notable professionals in his field, including John Justin Freeman and Daniel Pusiol. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and further innovation.

Conclusion

Matthias Appel's work in the field of rock characterization through digital imaging has made a significant impact on the industry. His innovative methods for assessing permeability and porosity are vital for understanding rock properties, and his collaborations with other professionals enhance the potential for future advancements.

Profile summary based on public USPTO records.