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:
Mar. 17, 2026

Filed:

May. 24, 2024
Applicants:

Michael D. Mercer, Edmond, OK (US);

Ronald R. Mercer, Nichols Hills, OK (US);

Inventors:

Michael D. Mercer, Edmond, OK (US);

Ronald R. Mercer, Nichols Hills, OK (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17C 1/00 (2006.01);
U.S. Cl.
CPC ...
F17C 1/007 (2013.01); F17C 2203/0639 (2013.01); F17C 2221/012 (2013.01); F17C 2221/033 (2013.01); F17C 2223/035 (2013.01); F17C 2265/065 (2013.01);
Abstract

Apparatus for subsurface storage of hydrogen, compressed natural gas, and/or other high pressure gases. A storage module has a rigid outer casing which surrounds a rigid inner liner to define a sealed interior gas storage space within the inner liner and a sealed annulus space between the inner liner and the outer casing. The annulus space is filled with a fluid comprising a non-compressible liquid. A differential pressure control mechanism maintains a differential pressure across the inner liner within a predetermined differential pressure range. The control mechanism can include a high pressure pump configured to recirculate the annulus fluid, a relief valve, and one or more pressure sensors. The storage module may be incorporated into a storage pod with a plurality of storage modules having a combined storage space and a combined annulus space. The storage modules may be suspended by a support plate into a subsurface well bore.


Find Patent Forward Citations

Mercer, Michael. (2026). Subsurface gas storage system (U.S. Patent No. 12578057). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12578057

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

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