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. 30, 1995
Filed:
May. 27, 1994
Applicant:
Inventors:
Ian D Palmer, Tulsa, OK (US);
Paul Edwards, NorthGlenn, CO (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
166250 ; 1663051 ; 166308 ; 299 16 ;
Abstract
A method is disclosed for increasing the methane recovery rate through a wellbore which penetrates a coal seam. The invention utilizes the cavitation of the coal seam surrounding the wellbore after a substantial percentage of the original methane-in-place which is available for recovery from the wellbore has been recovered from the coal seam.