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COMPOSITION FOR REMOVING DEPOSITS OF COMPLEX MINERAL-ORGANIC NATURE FORMED IN A WELL DURING EXTRACTION OF HYDROCARBON OR MINERAL RESOURCES
COMPOSITION FOR REMOVING DEPOSITS OF COMPLEX MINERAL-ORGANIC NATURE FORMED IN A WELL DURING EXTRACTION OF HYDROCARBON OR MINERAL RESOURCES
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机译:去除油气或矿产资源中一口井中形成的复杂矿物有机物沉积的组合物
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摘要
FIELD: extractive industry.;SUBSTANCE: invention relates, in particular, to extractive industry and can be used for removal of complex deposits of mineral-organic nature. Composition contains a composition having a hydrogen index of 10–12, wherein the composition contains a complexone – polyaminopolycarboxylic acid or salt thereof, an additive and water, as polyaminopolycarboxylic acid or its salt, the composition contains two different reagents 1 and 2, each of which is selected from the group: potassium diethyl triamine pentaacetate; disodium salt-N,N-diacetate of glutamic acid; N,N-diacetate of glutamic acid; ethylenediaminetetraacetic acid; as an additive, the composition contains a surfactant alkyldimethylamine oxide C12-C14, with following ratio of components, wt%: reagent 1 (in terms of dry substance) 5–36; reagent 2 (in terms of dry substance) 5–36; said surfactant (in terms of dry substance) of 0.1–0.15; water – balance.;EFFECT: high degree of removal of complex deposits, including both mineral and organic component, while increasing composition specific dissolution – removal.;1 cl, 1 tbl, 1 ex
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