CA2345305 ACIDIC SURFACTANT COMPOSITION AND METHOD FOR CLEANING WELLBORE AND FLOWLINE SURFACES USING THE SURFACTANT COMPOSITION

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Application Number 2345305

Application Date 21.09.1999

Publication Number 2345305

Publication Date 06.04.2000

Grant Number

Grant Date 21.11.2006

Publication Kind C

IPC

CPC

Applicants ATLANTIC RICHFIELD COMPANY

Inventors CHAN, ALBERT F.

Priority Data 09161040 26.09.1998 US

Title

(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

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.

E	FIXED CONSTRUCTIONS
21	EARTH OR ROCK DRILLING; MINING
B	EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37	Methods or apparatus for cleaning boreholes or wells
06	using chemical means for preventing or limiting the deposition of paraffins or like substances

B	PERFORMING OPERATIONS; TRANSPORTING
01	PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
F	MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
17	Use of substances as emulsifying, wetting, dispersing, or foam-producing agents

C	CHEMISTRY; METALLURGY
09	DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K	MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8	Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
52	Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

E	FIXED CONSTRUCTIONS
21	EARTH OR ROCK DRILLING; MINING
B	EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43	Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
25	Methods for stimulating production

E	FIXED CONSTRUCTIONS
21	EARTH OR ROCK DRILLING; MINING
B	EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
37	Methods or apparatus for cleaning boreholes or wells
06	using chemical means for preventing or limiting the deposition of paraffins or like substances

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1. CA2345305 - ACIDIC SURFACTANT COMPOSITION AND METHOD FOR CLEANING WELLBORE AND FLOWLINE SURFACES USING THE SURFACTANT COMPOSITION

C	CHEMISTRY; METALLURGY
09	DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K	MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8	Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
52	Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

Y	SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10	TECHNICAL SUBJECTS COVERED BY FORMER USPC
S	TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
507	Earth boring, well treating, and oil field chemistry
927	Well cleaning fluid