CLAYLESS HIGHLY-MINERALIZED LIQUID FOR CARRYING OUT REPAIR AND RESTORATION WORKS Russian patent published in 1995 - IPC

Abstract SU 1836851 A3

FIELD: drilling. SUBSTANCE: proposed liquid contains (mass %): calcium chloride 12-23, lignosulfonate 16-20, urea 12-23, water the rest. Desired liquid has both low index of filtration and stable technological parameters. EFFECT: decreases filtration. 1 tbl

Similar patents SU1836851A3

Title	Year	Author	Number
CLAYLESS HIGH-MINERALIZED LIQUID FOR REPAIR-RESTORATION WORK PERFORMING	1990	Shmel'Kov V.E. Lipchanskaja T.A. Ehjsmont E.A.	RU2028362C1
VISCOELASTIC COMPOSITION	1993	Perejma A.A. Tagirov K.M. Il'Jaev V.I. Nifantov V.I.	RU2057781C1
PLASTICIZER FOR PLUGGING LIQUIDS	1992	Perejma A.A. Petrakov Ju.I. Gasumov R.A. Pertseva L.V.	RU2033519C1
EMULSION FOR WELL KILLING	1999	Burmantov A.I. Burmantov R.A.	RU2168003C2
SAND CARRIER FLUID FOR HYDRAULIC FRACTURING OF FORMATION	1993	Perejma A.A. Tagirov K.M. Il'Jaev V.I.	RU2078905C1
FOAMING COMPOSITION FOR REPAIR WORKS IN THE HOLE	1992	Kovalev A.A. Kallaeva R.N. Tagirov O.K. Nifantov V.I.	RU2033417C1
COMPLEX WELL PLUGGING SLURRY TREATMENT AGENT	1991	Perejma A.A. Pertseva L.V.	RU2013524C1
FOAMING WELL-KILLING COMPOSITION	1998	Tagirov K.M. Gasumov Ramiz Alidzhavad Ogly Perejma A.A. Kozlov N.B. Shamshin V.I.	RU2152973C2
LIME DRILLING MORTAR	1983	Kulagin P.G. Vasil'Chenko A.A. Solomatina E.V.	SU1211274A1
GROUTING MORTAR FOR REPAIR JOBS AND WELL LINING	1992	Perejma A.A. Tagirov K.M. Il'Jaev V.I. Kovalev A.A.	RU2035585C1

SU 1 836 851 A3

Authors

Shmel'Kov V.E.

Lipchanskaja T.A.

Ehjsmont E.A.

Dates

1995-06-09—Published

1990-08-20—Filed