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:
Oct. 26, 2010
Filed:
Mar. 07, 2007
Applicants:
Matthew Miller, Cambridge, GB;
Michaela Nagl, Cambridge, GB;
Kevin England, Houston, TX (US);
Ernest Brown, Cambridge, GB;
Raymond Tibbles, Kuala Lumpur, MY;
Gary Tustin, Sawston, GB;
Inventors:
Matthew Miller, Cambridge, GB;
Michaela Nagl, Cambridge, GB;
Kevin England, Houston, TX (US);
Ernest Brown, Cambridge, GB;
Raymond Tibbles, Kuala Lumpur, MY;
Gary Tustin, Sawston, GB;
Assignee:
Schlumberger Technology Corporation, Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for stimulation of gas production from coal seams is described using a permeability modifier, such as a coal swelling agent, injected into the coal seams via a wellbore to reduce the permeability of the coal seams prior to a fracturing treatment.