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2 067 985

(13)

C1

(51)

IPC

(21) (22)

Application

4895346/04, 1991-04-23

(22)

Actual filing date

1991-04-23

(45)

Published

1996-10-20

(72)

Inventor

Dzhon Ehdvard Khostettler Iii[Us]Marshall D.Bishop[Us]

(73)

Holder

Fillips Petroleum Kompani

SUSPENSION OF WATER SOLUBLE POLYMER AND METHOD FOR ITS PRODUCTION Russian patent published in 1996 - IPC

Abstract RU 2067985 C1

FIELD: drilling liquids. SUBSTANCE: desired suspension contains (mass %) water soluble polymer 3-60, organic dispersion medium 40-95, polymer stiffener being soluble in said dispersion medium 0.2-10. Isoparaffin oil is used as said dispersion medium, slightly soluble resin being used as mentioned above polymer stiffener. Polymer stiffener is used as reagent 1, organic dispersion medium is used as reagent 2, their interaction takes place by dissolution. EFFECT: improves quality of desired product. 1 tbl

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RU 2 067 985 C1

Authors

Dzhon Ehdvard Khostettler Iii[Us]

Marshall D.Bishop[Us]

Dates

1996-10-20—Published

1991-04-23—Filed

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