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. 19, 2009
Filed:
Oct. 08, 2004
Trevor Lloyd Hughes, Cambridge, GB;
Timothy Gareth John Jones, Cottenham, GB;
Loic Regnault DE LA Mothe, Cambridge, GB;
Robert Seth Hartshorne, Newmarket, GB;
Sarah Elizabeth Pelham, Cambridge, GB;
Trevor Lloyd Hughes, Cambridge, GB;
Timothy Gareth John Jones, Cottenham, GB;
Loic Regnault de la Mothe, Cambridge, GB;
Robert Seth Hartshorne, Newmarket, GB;
Sarah Elizabeth Pelham, Cambridge, GB;
Schlumberger Technology Corporation, Ridgefield, CT (US);
Abstract
A well bore treatment fluid and methods for selectively reducing the outflow of water during recovery of hydrocarbons from a hydrocarbon reservoir in a formation are described, wherein fluid contains 5 to 40 weight per cent of a dissolved compound based on α-branched carboxylic acid, derivatives or co-polymers thereof, and capable of forming a precipitate that is substantially soluble in hydrocarbons and substantially insoluble in water.