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:
May. 18, 1976
Filed:
Jun. 12, 1975
Applicant:
Inventor:
Philip J Closmann, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
299-4 ; 166272 ; 166299 ;
Abstract
The forming of a rubble-containing cavity within a subterranean oil shale is improved by: leaching water-soluble minerals to form an areally extensive void in or above an upper portion and an areally extensive permeable zone or void within or contiguous with a lower portion of the oil shale; displacing an explosive fluid into the lower permeable zone; and detonating the explosive.
Quick Actions:
Closmann, Philip. (1976). Explosive-aided oil shale cavity formation (U.S. Patent No. 3957306). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3957306
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile