The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 16, 2022

Filed:

Mar. 02, 2021
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Dong Kyu Cha, Dhahran, SA;

Mohammed Badri AlOtaibi, Dammam, SA;

Subhash Chandrabose Ayirala, Dhahran, SA;

Zuhair Al-Yousif, Saihat, SA;

Ali Abdallah Al-Yousef, Dhahran, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/113 (2012.01); E21B 47/12 (2012.01); E21B 47/017 (2012.01); G01M 3/16 (2006.01); E21B 41/00 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
E21B 47/113 (2020.05); E21B 41/0064 (2013.01); E21B 43/164 (2013.01); E21B 47/017 (2020.05); E21B 47/12 (2013.01); G01M 3/16 (2013.01);
Abstract

Downhole drilling tools and methods for drilling and detecting carbon dioxide leakage in a subsurface reservoir are disclosed. The tools include a cylindrical body; a sensor module including a plurality of sensors including a first conductive electrode, a second conductive electrode, and a plurality of TiO2 nanotubes, and an electric line located between and connecting the first and the second conductive electrodes; and a communication device communicatively connected to the sensor module; wherein the sensor module and the communication device are attached to an outer surface of the cylindrical body.


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