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1. MXMX/a/2007/009943 - USE

Office Mexico
Application Number MX/a/2007/009943
Application Date 16.08.2007
Publication Number MX/a/2007/009943
Publication Date 28.04.2008
Publication Kind A
IPC
C09K 8/528
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
52Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
528inorganic depositions, e.g. sulfates or carbonates
C09K 8/54
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
54Compositions for in situ inhibition of corrosion in boreholes or wells
E21B 37/06
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37Methods or apparatus for cleaning boreholes or wells
06using chemical means for preventing or limiting the deposition of paraffins or like substances
E21B 43/27
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
25Methods for stimulating production
26by forming crevices or fractures
27by use of eroding chemicals, e.g. acids
Applicants BASF AKTIENGESELLSCHAFT.*
Inventors THOMAS HEIDENFELDER
HELMUT WITTELER
MARCUS GUZMANN
UWE OSSMER
Agents JOSE F. HINOJOSA CUELLAR.*
Priority Data 102005010564 04.03.2005 DE
102005044034.7 14.09.2005 DE
Title
(EN) USE
(ES) USO DE ACIDOS ALCANOSULFONICOS SOLUBLES EN AGUA PARA AUMENTAR LA PERMEABILIDAD DE FORMACIONES DE ROCA SUBTERRANEAS CARBONATICAS, QUE CONTIENEN PETROLEO Y/O GAS NATURAL Y PARA DISOLVER IMPURIFICACIONES CARBONATICAS Y/O CONTENIENDO CARBONATO EN LA EXTRACCION DE PETROLEO
Abstract
(EN)
The invention relates to the use of alkane sulfonic acids, in particular methane sulfonic acid for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production, especially at a temperature of at least 100°C.

(ES)
Uso deácidos alcanosulfónicos, especialmenteácido metanosulfónico, para aumentar la permeabilidad de formaciones de roca subterráneas carbonáticas, que contienen petróleo y/o gas natural, asícomo para disolver impurificaciones carbonáticas y/o conteniendo carbonato en la extracción de petróleo, especialmente a una temperatura de por lo menos 100ºC.