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(19)

(11)

2 313 557

(13)

(51)

IPC

C09K8/26(2006-01-01)

C09K8/42(2006-01-01)

C09K8/514(2006-01-01)

C09K8/52(2006-01-01)

C09K8/588(2006-01-01)

C09K8/68(2006-01-01)

(21) (22)

Application

2005104921/03, 2005-02-22

(24)

Start date

2005-02-22

(22)

Actual filing date

2005-02-22

(45)

Published

2007-12-27

(72)

Inventor

Geras'Kin Vadim GeorgievichZakharov Andrej AleksandrovichNikitin Mikhail MikhajlovichZhidenko Viktor PetrovichMalkhas'Jan Sergej SergeevichShelemej Vjacheslav SemenovichLysykh Mikhail DmitrievichEngibarjan Arkadij ArmenovichKrivoruchko Pavel Evgen'Evich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

MULTIFUNCTIONAL HYDROPHILIC EMULSION SYSTEM FOR RESTORATION OF WELLS (OPTIONS) Russian patent published in 2007 - IPC C09K8/26 C09K8/42 C09K8/514 C09K8/52 C09K8/588 C09K8/68

Abstract RU 2313557 C2

FIELD: oil and gas production.

SUBSTANCE: multifunctional hydrophilic emulsion system used during pullout of holes contains 0.5-5.0% phosphatide concentrate, structuring agent for hydrophilic emulsion rheology (carboxymethylcellulose), 0.1-0.2% antiseptic (chloroamine B), and water. In another embodiment of invention polyacrylamide is used as structuring agent instead of carboxymethylcellulose.

EFFECT: improved environmental safety accompanied with non-inflammability and low cost of emulsion system.

2 cl, 1 tbl, 8 ex

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RU 2 313 557 C2

Authors

Geras'Kin Vadim Georgievich

Zakharov Andrej Aleksandrovich

Nikitin Mikhail Mikhajlovich

Zhidenko Viktor Petrovich

Malkhas'Jan Sergej Sergeevich

Shelemej Vjacheslav Semenovich

Lysykh Mikhail Dmitrievich

Engibarjan Arkadij Armenovich

Krivoruchko Pavel Evgen'Evich

Dates

2007-12-27—Published

2005-02-22—Filed