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1. WO1996004462 - HYDRATE INHIBITION

Publication Number WO/1996/004462
Publication Date 15.02.1996
International Application No. PCT/GB1995/001801
International Filing Date 28.07.1995
Chapter 2 Demand Filed 14.02.1996
IPC
C09K 8/52 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
C10L 1/10 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
C10L 1/12 2006.01
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10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
12Inorganic compounds
C10L 1/14 2006.01
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10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
14Organic compounds
C10L 1/18 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
14Organic compounds
18containing oxygen
C10L 1/22 2006.01
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10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
14Organic compounds
22containing nitrogen
CPC
C09K 2208/22
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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
2208Aspects relating to compositions of drilling or well treatment fluids
22Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
C09K 8/52
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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
C10L 1/10
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR
1Liquid carbonaceous fuels
10containing additives
C10L 1/1225
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR
1Liquid carbonaceous fuels
10containing additives
12Inorganic compounds
1225halogen containing compounds
C10L 1/125
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10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR
1Liquid carbonaceous fuels
10containing additives
12Inorganic compounds
1233oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
125water
C10L 1/143
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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1Liquid carbonaceous fuels
10containing additives
14Organic compounds
143mixtures of organic macromolecular compounds with organic non-macromolecular compounds
Applicants
  • BP EXPLORATION OPERATING COMPANY LIMITED [GB/GB]; Britannic House 1 Finsbury Circus London EC2M 7BA, GB
Inventors
  • DUNCUM, Simon, Neil; GB
  • EDWARDS, Antony, Roland; GB
  • OSBORNE, Christopher, George; GB
Agents
  • WILSON, Michael, John; BP International Limited Group Patents & Agreements Chertsey Road Sunbury-on-Thames Middlesex TW16 7LN, GB
Priority Data
9415903.505.08.1994GB
9425399.414.12.1994GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HYDRATE INHIBITION
(FR) INHIBITION D'HYDRATES
Abstract
(EN)
A method of inhibiting or retarding formation of hydrates from water and a lower alkane, such as methane or ethane, involves adding additives which comprise (i) a corrosion inhibitor and (ii) a salt which is of formula [R1(R2)XR3]+Y-, wherein each of R1, R2 and R3 is bonded directly to X, each of R1 and R2, which may be the same or different is an alkyl group of at least 4 carbons, X is S, NR4 or PR4, wherein each of R3 and R4 which may be the same or different represents hydrogen or an organic group, with the proviso that at least one of R3 and R4 is an organic group of at least 4 carbons, and Y is an anion, the additives being added in an amount effective to inhibit or retard hydrate formation, to a medium susceptible to hydrate formation.
(FR)
L'invention se rapporte à un procédé visant à inhiber ou retarder la formation d'hydrates à partir de l'eau et d'un alcane inférieur, tel que le méthane et l'éthane, ce procédé consistant à ajouter des additifs qui comprennent (i) un inhibiteur de corrosion et (ii) un sel de la formule [R1(R2)XR3)]+Y-, dans laquelle R1, R2 et R3 sont chacun liés directement à X, R1 et R2, pouvant être identiques ou différents, représentent chacun un groupe alkyle d'au moins 4 atomes de carbone, X représente S, NR4 ou PR4, où chaque R3 et R4, peuvent être identiques ou différents, représente hydrogène ou un groupe organique, à condition que R3 et/ou R4 représente un groupe organique d'au moins 4 atomes de carbone, et Y représente un anion, les additifs étant ajoutés, en une quantité efficace pour inhiber on retarder la formation d'hydrates, à un milieu susceptible de former des hydrates.
Also published as
NO19970493
NZ290854
Latest bibliographic data on file with the International Bureau