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:
Jul. 23, 2002
Filed:
Jun. 15, 2000
Applicant:
Inventor:
Roy Knight, Norman, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 4/334 ;
U.S. Cl.
CPC ...
E21B 4/334 ;
Abstract
An apparatus and method for recovering waste production gas at an oil or gas production site using a gas-vacuum compressor, a gas-vacuum compressor cylinder or a regenerative vacuum blower to evacuate the waste production gas from the salt water tank and the oil tanks under vacuum and transporting the gas under pressure to a waste production gas recovery device without contaminating the atmosphere.