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1. WO2001059255 - METHOD OF TREATING RESERVOIR ZONE OF HYDROCARBON PRODUCING WELL TO INHIBIT WATER PRODUCTION PROBLEMS

Publication Number WO/2001/059255
Publication Date 16.08.2001
International Application No. PCT/GB2001/000495
International Filing Date 07.02.2001
Chapter 2 Demand Filed 10.09.2001
IPC
C09K 8/502 2006.01
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
50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
502Oil-based compositions
C09K 8/528 2006.01
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
E21B 37/06 2006.01
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
CPC
C09K 8/502
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
50Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
502Oil-based compositions
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 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
528inorganic depositions, e.g. sulfates or carbonates
E21B 37/06
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
37Methods or apparatus for cleaning boreholes or wells
06using chemical means for preventing, limiting ; or eliminating; the deposition of paraffins or like substances
Applicants
  • STATOIL ASA [NO]/[NO] (AllExceptUS)
  • CHAMPION TECHNOLOGIES, INC. [US]/[US] (AllExceptUS)
  • REES, David, Christopher [GB]/[GB] (IS)
  • WAT, Rex, Man, Shing [NO]/[NO] (UsOnly)
  • KOTLAR, Hans, Kristian [NO]/[NO] (UsOnly)
Inventors
  • WAT, Rex, Man, Shing
  • KOTLAR, Hans, Kristian
Agents
  • REES, David, Christopher
Priority Data
0003214.411.02.2000GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD OF TREATING RESERVOIR ZONE OF HYDROCARBON PRODUCING WELL TO INHIBIT WATER PRODUCTION PROBLEMS
(FR) PROCEDE DE TRAITEMENT D'UNE ZONE DE RESERVOIR D'UN PUITS DE PRODUCTION D'HYDROCARBURES AFIN D'EVITER LES PROBLEMES DE PRODUCTION D'EAU
Abstract
(EN)
A method of treating an oil well to inhibit scale formation. An oil soluble scale inhibitor is injected into the well during the completion phase. The inhibitor hydrolyses on contact with connate water in the well and the active part enters the water phase. It remains in the water phase while oil is extracted and until the water breaks through. At that stage, the inhibitor becomes active in inhibiting scale formation.
(FR)
On décrit un procédé de traitement d'un puits de pétrole qui empêche la formation des dépôts de matière. Un agent soluble dans l'eau qui empêche les dépôts de matière est injecté dans le puits pendant la phase de complétion. L'inhibiteur s'hydrolyse au contact de l'eau connée présente dans le puits et la partie active entre dans la phase aqueuse. Elle reste en phase aqueuse lorsque le pétrole est extrait et jusqu'à ce que l'eau sorte. A ce stade, l'inhibiteur devient actif et peut empêcher la formation des dépôts.
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