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2 201 950

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IPC

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Application

2002105472/03, 2002-02-28

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Start date

2002-02-28

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Actual filing date

2002-02-28

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Published

2003-04-10

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Inventor

Dokichev V.A.Konesev G.V.Muljukov R.A.Junusov M.S.Grekov A.N.Akhmetov A.A.Bajbulatova N.Z.Kirjakov G.A.Sultanova R.M.Solov'Ev A.Ja.Shajkhutdinov R.T.Istomin N.N.Galjautdinov A.A.Khabibullina A.F.Jangirov F.N.

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Holder

Ufimskij Gosudarstvennyj Neftjanoj Tekhnicheskij UniversitetInstitut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra RanDokichev Vladimir Anatol'EvichJunusov Marat SabirovichKonesev Gennadij Vasil'EvichMuljukov Rinat Abdrakhmanovich

METHOD OF PREPARING EMULSIFIER-STABILIZER FOR HYDROPHOBIC-EMULSION DRILLING MUDS Russian patent published in 2003 - IPC

Abstract RU 2201950 C1

FIELD: oil and gas production. SUBSTANCE: emulsifier-stabilizer appropriate for creating high-stability hydrophobic emulsion drilling muds with high water content for use when boring in polymineral-composition salts and instable argillaceous rock, when exposing productive formations and killing wells is prepared by heating and stirring for 4-8 h at atmosphere pressure and temperature 120-150 C, in solvent medium, in particular diesel fuel or kerosene (15.0-42.1%), fatty acid production vat residue/triethanolamine mixture at ratio (4-5):1 (57.9-85.0%). EFFECT: combined emulsifying and stabilizing properties resulting in high heat resistance, low filtration, and high structural characteristics of hydrophobic-emulsion drilling muds. 2 cl, 3 tbl, 4 ex

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RU 2 201 950 C1

Authors

Dokichev V.A.

Konesev G.V.

Muljukov R.A.

Junusov M.S.

Grekov A.N.

Akhmetov A.A.

Bajbulatova N.Z.

Kirjakov G.A.

Sultanova R.M.

Solov'Ev A.Ja.

Shajkhutdinov R.T.

Istomin N.N.

Galjautdinov A.A.

Khabibullina A.F.

Jangirov F.N.

Dates

2003-04-10—Published

2002-02-28—Filed