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.:
Date of Patent:
Dec. 16, 2025
Filed:
May. 23, 2025
General Prospecting Institute of China National Administration of Coal Geology, Beijing, CN;
Song Du, Beijing, CN;
Qiaohui Che, Beijing, CN;
Degao Zhang, Beijing, CN;
Yinglin Fan, Beijing, CN;
Zhe Jiang, Beijing, CN;
Xiao Zhang, Beijing, CN;
Sitong Song, Beijing, CN;
Yonghan Liu, Beijing, CN;
Yan Ding, Beijing, CN;
Abstract
Provided is a drilling method for a storage well for liquid-gas two-phase combined geological storage, including the following steps: drilling down from a ground to the bottom of a potable aquifer, and installing a first section wellbore; dividing a second section wellbore into multiple segments of second section sub-wellbores, arranging multiple first bases on an inner wall in advance, forming an vent hole in a sidewall of the second section sub-wellbore corresponding to a gas storage layer, and closing a bottom surface of the second section sub-wellbore at the bottom, with a drill-through hole at the center; drilling down to the bottom of the gas storage layer, and installing the second section wellbore; dividing a third section wellbore into multiple segments of third section sub-wellbores, and arranging multiple second bases on an outer wall in advance.