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:
Apr. 17, 2018
Filed:
Aug. 09, 2013
Societe D'exploitation DE Produits Pour Les Industries Chimiques Seppic, Paris, FR;
Marie-Francoise Gayral Chirac, Viviers-les-Montagnes, FR;
Abstract
A method for drilling cavities in underground formations in which drill cuttings are removed by injecting an aqueous composition (C) into the drill hole. Composition (C) includes between 1 and 65 wt. % salt(s), between 0.05 and 2 wt. % anti-foaming agent(s), between 13 and 97.95 wt. % water, and between 1 and 20 wt. % composition (C). Composition (C) includes, optionally, between 0.1 and 30 wt. % auxiliary agent(s), between 0 and 100 wt. % of a surfactant system of one or more compositions (C) according to R—O-(G)p-H, Rbeing an aliphatic radical including between 4 and 16 carbon atoms, Gbeing a reducing sugar residue and 1.05≤p≤5, and between 0 and 50 wt. % alcohol(s) according to R—OH, Rbeing an aliphatic radical including between 4 and 16 carbon atoms. Also, compositions (C) and their use as a lubricant for producing an aqueous drilling mud.