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2 301 245

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(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2005133812/03, 2005-11-01

(24)

Start date

2005-11-01

(22)

Actual filing date

2005-11-01

(45)

Published

2007-06-20

(72)

Inventor

Dernov Denis AlekseevichNifontov Jurij Arkad'EvichKapitonov Vladimir Alekseevich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Gornyj Institut Im. G.V. Plekhanova Universitet)"

WASHING FLUID FOR DRILLING AND EXPOSING PRODUCING HORIZONS Russian patent published in 2007 - IPC C09K8/24

Abstract RU 2301245 C1

FIELD: oil and gas production.

SUBSTANCE: washing fluid is composed of mud powder, 3-5%, soda ash Na₂CO₃, 0.3-0.6%, acrylic polymer (Kometa-Meteor), 0.15-0.75%, and water, the rest.

EFFECT: preservation of natural filtration-capacitive properties of formation, reduced expenses on intensification of fluid inflow, and putting into operation of low-permeability formations to achieve commercial outputs.

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RU 2 301 245 C1

Authors

Dernov Denis Alekseevich

Nifontov Jurij Arkad'Evich

Kapitonov Vladimir Alekseevich

Dates

2007-06-20—Published

2005-11-01—Filed