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:
Nov. 16, 2021

Filed:

May. 25, 2020
Applicant:

Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation, Beijing, CN;

Inventors:

Zhaokun Li, Beijing, CN;

Xuebin Su, Beijing, CN;

Weimin Que, Beijing, CN;

Genmao Zhou, Beijing, CN;

Po Li, Beijing, CN;

Yahui Tan, Beijing, CN;

Zhiming Du, Beijing, CN;

Baishi Hu, Beijing, CN;

Hao Qin, Beijing, CN;

Lizhi Yang, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/28 (2006.01); E21B 43/30 (2006.01); E21B 7/04 (2006.01);
U.S. Cl.
CPC ...
E21B 43/28 (2013.01); E21B 43/305 (2013.01); E21B 7/046 (2013.01);
Abstract

The present invention discloses an in-situ leaching method and system. The ISL mining method provided by the present invention includes: constructing a vertical guiding well into an ore body; constructing a horizontal well towards the vertical guiding well, where the horizontal well includes a vertical section and a horizontal section; one end of the horizontal section is connected to the vertical section, and the other end of the horizontal section is connected to the vertical guiding well; constructing a plurality of vertical extraction wells towards the horizontal section; and simultaneously injecting lixiviant into the vertical section and the vertical guiding well by means of pressurized injection, and extracting leachate through the vertical extraction well. The ISL mining method and system provided by the present invention accomplish the injection through a horizontal well.


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