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:
Apr. 13, 2021

Filed:

Aug. 24, 2016
Applicant:

Zhongwei (Shanghai) Energy Technology Co. Ltd, Shanghai, CN;

Inventors:

Casper Jan Hendrik Burger, Shanghai, CN;

Zhenhua Min, Shanghai, CN;

Yuanli Wang, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 36/00 (2006.01); E21B 43/295 (2006.01); E21B 47/07 (2012.01); E21B 47/06 (2012.01);
U.S. Cl.
CPC ...
E21B 43/295 (2013.01); E21B 36/001 (2013.01); E21B 47/06 (2013.01); E21B 47/07 (2020.05);
Abstract

A production well apparatus for underground coal gasification and an underground coal gasification method using same. The production well apparatus comprises a well head apparatus, a sleeve (), a product pipe (), a coolant pipe (), and a monitoring meter system (). Coolant is injected, during underground coal gasification, to be in contact and mixed with product gas, and the product gas is discharged after cooled, such that the operation is safer and more controllable. Moreover, most of the components of the production well apparatus can be completely or partially recycled and reused after the gasification is completed.


Find Patent Forward Citations

Burger, Casper Jan Hendrik. (2021). Production well apparatus for underground coal gasification and use thereof (U.S. Patent No. 10975678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10975678

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

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