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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.

Patent No.:

US 12754171 B1

PDFFull Text
Date of Patent:
Oct. 06, 2026

Filed:

Jul. 01, 2024

Analysis device and analysis method for quality index of natural gas product and application

Applicant:

Petrochina Company Limited, Beijing, CN;

Inventors:

Li Zhou, Beijing, CN;

Xiaoqin Wang, Beijing, CN;

Wenping Zeng, Beijing, CN;

Lin Shen, Beijing, CN;

Assignee:

PETROCHINA COMPANY LIMITED, Beijing, CN;

Attorney:

Meunier Carlin & Curfman LLC

Primary Examiner:

Andre J Allen

Int. Cl.
CPC ...
G01N 30/20 (2006.01); B01D 15/08 (2006.01); B01D 53/02 (2006.01); G01N 30/02 (2006.01); G01N 30/14 (2006.01); G01N 30/64 (2006.01); G01N 30/74 (2006.01); G01N 30/78 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 30/20 (2013.01); B01D 15/08 (2013.01); B01D 53/025 (2013.01); G01N 30/14 (2013.01); G01N 30/64 (2013.01); G01N 30/74 (2013.01); G01N 30/78 (2013.01); G01N 33/0027 (2013.01); B01D 2257/102 (2013.01); B01D 2257/104 (2013.01); B01D 2257/108 (2013.01); B01D 2257/11 (2013.01); B01D 2257/30 (2013.01); B01D 2257/502 (2013.01); B01D 2257/504 (2013.01); B01D 2257/7025 (2013.01); G01N 2030/025 (2013.01);
Abstract

The present invention provides a device and method for analyzing quality indicators of a natural gas product and an application. The device comprises a sample loading assembly, and first, second, third, fourth, and fifth chromatographic column analysis systems connected in parallel, wherein the first chromatographic column analysis system is configured for separating sulfides from natural gas; the second chromatographic column analysis system is configured for separating hydrocarbons having Cand higher from the natural gas; the third chromatographic column analysis system is configured for separating oxygen, nitrogen, methane, and carbon monoxide from the natural gas; the fourth chromatographic column analysis system is configured for separating carbon dioxide and ethane from the natural gas; and the fifth chromatographic column analysis system is configured for separating helium and hydrogen from the natural gas; each chromatographic column analysis system is provided with a quantitative tube, a carrier gas tube, and a chromatographic column.

Find Patent Forward Citations

Zhou, Li. (2026). Analysis device and analysis method for quality index of natural gas product and application (U.S. Patent No. 12754171). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12754171

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

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