(51) C09K 8/528 (2006.01)C23F 11/14 (2006.01)

(19) RU (11) 2 504 571(13) C2

(12) (21)(22) : 2011138812/03, 21.09.2011

(24) : 21.09.2011

():(22) : 21.09.2011

(43) : 27.03.2013 . 9

(45) : 20.01.2014 . 2

(56) , : SU 1275088 , 07.12.1986. RU 2314413 2,

10.01.2008. RU 2115682 1, 20.07.1998. RU2205198 1, 27.05.2003. RU 2418036 1,10.05.2011. RU 2224823 C1, 27.02.2004. RU2307860 2, 10.10.2007. US 5504063 ,02.04.1996.

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RUSSIAN FEDERATION

FEDERAL SERVICE FOR INTELLECTUAL PROPERTY

(51) Int. Cl.C09K 8/528 (2006.01)C23F 11/14 (2006.01)

(19) RU (11) 2 504 571(13) C2

(12) ABSTRACT OF INVENTION(21)(22) Application: 2011138812/03, 21.09.2011

(24) Effective date for property rights: 21.09.2011

Priority:(22) Date of filing: 21.09.2011

(43) Application published: 27.03.2013 Bull. 9

(45) Date of publication: 20.01.2014 Bull. 2

Mail address:443031, g.Samara, ul. Demokraticheskaja, 24A,tsokol'nyj ehtazh, k.42 (a/ja 14529), OOO "Del'ta-prom innovatsii"

(72) Inventor(s): Volkov Vladimir Anatol'evich (RU),Belikova Valentina Georgievna (RU)

(73) Proprietor(s): Obshchestvo s ogranichennoj otvetstvennost'ju"Del'ta-prom innovatsii" (RU)

(54) COMPOSITION FOR PREVENTION OF HYDRATE SALT DEPOSITIONS AND CORROSION(57) Abstract:

FIELD: oil-and-gas industry.SUBSTANCE: proposed composition comprises

surfactant, alcohol and mineralised water.Additionally it includes the following polymer:copolymer or pyrrolidone or caprolactam, thermopolymer based on N-vinyl-2-pyrrolidone,polyacrylamide, hydrolysed polyacrilonitrole,polypropylene glycol, polyoxipropylenepolyol,dimethylaminoethyl methacrylate. Besides, itincludes Laprol-grade ester andhydroxyethylcellulose. It includes salt depositioninhibitor Substituted aminopolycarbonic orphosphonic acid, disodium salt ofethylenediaminetetraacetic acid and sodium salt ofaminomethylen phosphonic acid, sodium

hexametaphosphate or tripolyphosphate, ammoniumchloride or phosphate. It includes also alcohol asthe mix of formalin or urotropin(e), or carbamide-formaldehyde concentrate. Also, it containsmonohydric alcohol C1-C4, still(age) bottoms ofthe production of butyl alcohols by oxosynthesis.Plus, diatomic C1-C3, low-molecularpolyethylenglycol and polyglycol Glycol-1;polyatomic alcohol. Plus, glycerin and polyglycerinat the following ratio of components, wt %:surfactant - 0.1-3.0, aforesaid polymer - 0.02-3.0,said inhibitor - 0.1-3.0, said mix - 5.0-30.0,mineralised water making the rest.

EFFECT: higher inhibiting ability.15 ex, 1 tbl

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C10-C13 ( -7) C10-C20 ( -10), -

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, , - ( 2383-002-51881692-2000), , - ., ( 2383-015-17197708-97), -.

, N--2-, , ,, , , , ; , N--2-, N--2-, N--2-, 5003-2-10, 5003-2-15 6003-2-18, .. 500-1200, () .. 1,3106, , -642 -0339 -631 155. :

, , , ,, () (), (), (), -1,2 (), (), - () () , :

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0,01 .% -12 , 19,99 .% 15 .

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.BibliographyAbstract