DRILLING SOLUTION FOR FINISHING WELLS Russian patent published in 1994 - IPC

Abstract RU 2011675 C1

FIELD: drilling oil and gas wells. SUBSTANCE: drilling solution contains product of aluminium salt and alkali interaction having pH 7, polymer agent decreasing water yield (1.0-1.5 mass % ), bentonite (2.0-3.0 mass % ), surface active substance (0.3-1.0 mass % ) and water. Sulfanol is used as surface active substance. EFFECT: improves drilling solution quality. 3 cl

Similar patents RU2011675C1

Title	Year	Author	Number
DRILLING FLUID FOR INJECTION AND REPAIR OF WELLS	2001	Davydov V.K. Beljaeva T.N.	RU2211237C2
WELL COMPLETION METHOD	1998	Lushpeeva O.A. Pen'Kov A.I. Koshelev V.N.	RU2156859C2
CLAYLESS DRILLING SOLUTION	1994	Krysin N.I. Natsepinskaja A.M. Minaeva R.M. Grebneva F.N. Sukhikh Ju.M. Krapivina T.N. Soboleva T.I.	RU2061731C1
WELL COMPLETION METHOD	2004	Davydov Vladimir Konstantinovich Beljaeva Tat'Jana Nikolaevna	RU2280752C2
COMPOUND FOR REMOVING LIQUID FROM BOTTOM HOLE OF WELL	1995	Burmantov A.I. Poguljaev S.A. Fedoseev A.V.	RU2109928C1
METHOD OF TREATMENT OF AQUEOUS-BASE DRILLING LIQUIDS	1991	Andreson B.A. Abdrakhmanov R.G. Bochkarev G.P. Sharipov A.U. Rekin A.S. Labazov A.V.	RU2041907C1
DRILLING MUD	1996	Galjan D.A. Chadina N.P. Igoshkin V.I. Nechaev A.K. Kurochkina O.M. Panova I.N.	RU2119520C1
FOAMING COMPOSITION FOR REPAIR WORKS IN THE HOLE	1992	Kovalev A.A. Kallaeva R.N. Tagirov O.K. Nifantov V.I.	RU2033417C1
LIGHT WEIGHT DRILL FLUID FOR OPENING-OUT OF PAYOUT BED	2006	Lukmanov Rauf Rakhimovich Lukmanova Rima Zaripovna Babushkin Ehduard Valer'Evich Podkujko Petr Petrovich	RU2330869C1
DRILLING SOLUTION	1993	Krysin N.I. Natsepinskaja A.M. Minaeva R.M.	RU2061717C1

RU 2 011 675 C1

Authors

Mel'Nikov I.I.

Aleksejtseva T.A.

Dates

1994-04-30—Published

1987-05-04—Filed