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:
Sep. 05, 2006
Filed:
Dec. 23, 2003
John R. Williams, Lexington, MA (US);
Peter W. Sebelius, Chelmsford, MA (US);
Joel R. Parry, Jamaica Plain, MA (US);
William D. Coskren, North Reading, MA (US);
John R. Williams, Lexington, MA (US);
Peter W. Sebelius, Chelmsford, MA (US);
Joel R. Parry, Jamaica Plain, MA (US);
William D. Coskren, North Reading, MA (US);
The Charles Stark Draper Laboratory Inc., Cambridge, MA (US);
Abstract
The invention relates to a system and method for sensing the characteristics of a fluid in a sub-surface formation. In one embodiment, the invention relates to a sensor apparatus for sensing a chemical in a vapor emitted by a sub-surface fluid sample. In various configurations, the apparatus senses the presence and/or percentage of water, the presence of a gas, an oil/gas ratio, an aliphatic/aromatic hydrocarbon ratio, and/or the presence of corrosive or poisonous chemicals.