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1. EP1115960 - ACIDIC SURFACTANT COMPOSITION AND METHOD FOR CLEANING WELLBORE AND FLOWLINE SURFACES USING THE SURFACTANT COMPOSITION

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Office
European Patent Office
Application Number 99947647
Application Date 21.09.1999
Publication Number 1115960
Publication Date 18.07.2001
Publication Kind B1
IPC
C09K 8/52
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
C09K 23/00
CPC
C09K 8/52
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
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
Y10S 507/927
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
507Earth boring, well treating, and oil field chemistry
927Well cleaning fluid
Y10S 507/933
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
507Earth boring, well treating, and oil field chemistry
933Acidizing or formation destroying
Y10S 507/928
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
507Earth boring, well treating, and oil field chemistry
927Well cleaning fluid
928Spacing slug or preflush fluid
Applicants ATLANTIC RICHFIELD CO
Inventors CHAN ALBERT F
Designated States
Priority Data 9903135 21.09.1999 GB
09161040 26.09.1998 US
Title
(DE) SAURE TENSIDZUSAMMENSETZUNG UND VERFAHREN ZUR REINIGUNG VON BOHRLÖCHERN UND OBERFLÄCHEN VON FÖRDERLEITUNGEN MITTELS DIESER TENSIDZUSAMMENSETZUNG
(EN) ACIDIC SURFACTANT COMPOSITION AND METHOD FOR CLEANING WELLBORE AND FLOWLINE SURFACES USING THE SURFACTANT COMPOSITION
(FR) COMPOSITION TENSIOACTIVE ACIDE ET PROCEDE SERVANT A NETTOYER DES SURFACES DE PUITS DE SONDAGE ET DE CONDUITS D'ECOULEMENT AU MOYEN DE CETTE COMPOSITION
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Abstract
(EN) A method and composition for removing deposits of heavy hydrocarbonaceous materials and finely divided inorganic particulate matter from wellbore and flowline surfaces using a composition containing an alkyl polyglycoside, an ethoxylated alcohol, an acid and an alkyl alcohol.
(FR) Procédé et composition servant à enlever des dépôts de matériaux hydrocarbonés lourds et de particules inorganiques finement divisées depuis des surfaces de puits de sondage et de conduits d'écoulement au moyen d'une composition contenant un polyglycoside d'alkyle, un alcool éthoxylé, un acide et un alcool d'alkyle.
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