Hydrotesting and Mothballing Composition and Method of using Combination Products for Multifunctional Water Treatment
AssigneeClariant International Ltd.
InventorsJonathan Wylde, David Glasgow, Craig John Kelly
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Abstract
This invention relates to a composition, comprising a) at least one quaternary ammonium compound of the formula (I) wherein R is a C5 to C21 aliphatic hydrocarbon group, X is an anionic counter ion, and Ra, Rb are selected from the group consisting of hydrogen, methyl, ethyl, allyl, propyl, butyl, phenyl or benzyl residues, b) ammonium bisulfite or sodium bisulfite, c) glutaraldehyde or THPS, and d) at least one organic dye.
Claims23
A composition, comprising
- a) at least one quaternary ammonium compound of the formula (I)
- wherein
- R is a C5 to C21 aliphatic hydrocarbon group,
- X is an anionic counter ion, and
- Ra, Rb are selected from the group consisting of hydrogen, methyl, ethyl, allyl, propyl, butyl, phenyl or benzyl residues,
- b) ammonium bisulfite or sodium bisulfite,
- c) glutaraldehyde or THPS, and
- d) at least one organic dye.
A process for pressure testing oilfield equipment using an aqueous pressure medium, the process comprising adding to the aqueous pressure medium a composition, comprising
- a) at least one quaternary ammonium compound of the formula (I)
- wherein
- R is a C5 to C21 aliphatic hydrocarbon group,
- X is an anionic counter ion, and
- Ra, Rb are selected from the group consisting of hydrogen, methyl, ethyl, allyl, propyl, butyl, phenyl or benzyl residues,
- b) ammonium bisulfite, sodium bisulfite, or both
- c) glutaraldehyde, THPS, or both, and
- d) at least one organic dye.
(canceled)
Dependencies are inferred from the claim text.