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. 18, 2012
Filed:
Oct. 09, 2009
Ernesto Rafael Fonseca Ocampos, Houston, TX (US);
James Joseph Venditto, Houston, TX (US);
Renfeng Richard Cao, Houston, TX (US);
Ronald Marshall Bass, Houston, TX (US);
Scott Vinh Nguyen, Houston, TX (US);
Antonio Maria Guimaraes Leite Cruz, Rijswijk, NL;
Damodaran Raghu, Houston, TX (US);
Jaime Santos Son, Houston, TX (US);
Ernesto Rafael Fonseca Ocampos, Houston, TX (US);
James Joseph Venditto, Houston, TX (US);
Renfeng Richard Cao, Houston, TX (US);
Ronald Marshall Bass, Houston, TX (US);
Scott Vinh Nguyen, Houston, TX (US);
Antonio Maria Guimaraes Leite Cruz, Rijswijk, NL;
Damodaran Raghu, Houston, TX (US);
Jaime Santos Son, Houston, TX (US);
Shell Oil Company, Houston, TX (US);
Abstract
A method for heating a subsurface formation includes applying heat from a plurality of heaters to at least a portion of the subsurface formation. A portion of one or more of the heaters are allowed to move relative to the heaters respective wellhead using sliding seals to accommodate thermal expansion of the heaters.